From 0562e0bad483d10e9651fbb8f21dc3d0bad57374 Mon Sep 17 00:00:00 2001 From: Jiaying Zhang Date: Mon, 21 Mar 2011 21:38:05 -0400 Subject: ext4: add more tracepoints and use dev_t in the trace buffer - Add more ext4 tracepoints. - Change ext4 tracepoints to use dev_t field with MAJOR/MINOR macros so that we can save 4 bytes in the ring buffer on some platforms. - Add sync_mode to ext4_da_writepages, ext4_da_write_pages, and ext4_da_writepages_result tracepoints. Also remove for_reclaim field from ext4_da_writepages since it is usually not very useful. Signed-off-by: Jiaying Zhang Signed-off-by: "Theodore Ts'o" --- include/trace/events/ext4.h | 775 +++++++++++++++++++++++++++++++++----------- include/trace/events/jbd2.h | 78 ++--- 2 files changed, 609 insertions(+), 244 deletions(-) (limited to 'include/trace/events') diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index e5e345fb2a5..e09592d2f91 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -21,8 +21,7 @@ TRACE_EVENT(ext4_free_inode, TP_ARGS(inode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( umode_t, mode ) __field( uid_t, uid ) @@ -31,8 +30,7 @@ TRACE_EVENT(ext4_free_inode, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->mode = inode->i_mode; __entry->uid = inode->i_uid; @@ -41,9 +39,9 @@ TRACE_EVENT(ext4_free_inode, ), TP_printk("dev %d,%d ino %lu mode 0%o uid %u gid %u blocks %llu", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->mode, - __entry->uid, __entry->gid, + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->mode, __entry->uid, __entry->gid, (unsigned long long) __entry->blocks) ); @@ -53,21 +51,19 @@ TRACE_EVENT(ext4_request_inode, TP_ARGS(dir, mode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, dir ) __field( umode_t, mode ) ), TP_fast_assign( - __entry->dev_major = MAJOR(dir->i_sb->s_dev); - __entry->dev_minor = MINOR(dir->i_sb->s_dev); + __entry->dev = dir->i_sb->s_dev; __entry->dir = dir->i_ino; __entry->mode = mode; ), TP_printk("dev %d,%d dir %lu mode 0%o", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->dir, __entry->mode) ); @@ -77,23 +73,21 @@ TRACE_EVENT(ext4_allocate_inode, TP_ARGS(inode, dir, mode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( ino_t, dir ) __field( umode_t, mode ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->dir = dir->i_ino; __entry->mode = mode; ), TP_printk("dev %d,%d ino %lu dir %lu mode 0%o", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (unsigned long) __entry->dir, __entry->mode) ); @@ -104,21 +98,19 @@ TRACE_EVENT(ext4_evict_inode, TP_ARGS(inode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( int, nlink ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->nlink = inode->i_nlink; ), TP_printk("dev %d,%d ino %lu nlink %d", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->nlink) ); @@ -128,21 +120,19 @@ TRACE_EVENT(ext4_drop_inode, TP_ARGS(inode, drop), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( int, drop ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->drop = drop; ), TP_printk("dev %d,%d ino %lu drop %d", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->drop) ); @@ -152,21 +142,19 @@ TRACE_EVENT(ext4_mark_inode_dirty, TP_ARGS(inode, IP), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field(unsigned long, ip ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->ip = IP; ), TP_printk("dev %d,%d ino %lu caller %pF", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (void *)__entry->ip) ); @@ -176,21 +164,19 @@ TRACE_EVENT(ext4_begin_ordered_truncate, TP_ARGS(inode, new_size), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( loff_t, new_size ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->new_size = new_size; ), TP_printk("dev %d,%d ino %lu new_size %lld", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (long long) __entry->new_size) ); @@ -203,8 +189,7 @@ DECLARE_EVENT_CLASS(ext4__write_begin, TP_ARGS(inode, pos, len, flags), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( loff_t, pos ) __field( unsigned int, len ) @@ -212,8 +197,7 @@ DECLARE_EVENT_CLASS(ext4__write_begin, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->pos = pos; __entry->len = len; @@ -221,7 +205,7 @@ DECLARE_EVENT_CLASS(ext4__write_begin, ), TP_printk("dev %d,%d ino %lu pos %llu len %u flags %u", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->pos, __entry->len, __entry->flags) ); @@ -249,8 +233,7 @@ DECLARE_EVENT_CLASS(ext4__write_end, TP_ARGS(inode, pos, len, copied), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( loff_t, pos ) __field( unsigned int, len ) @@ -258,8 +241,7 @@ DECLARE_EVENT_CLASS(ext4__write_end, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->pos = pos; __entry->len = len; @@ -267,9 +249,9 @@ DECLARE_EVENT_CLASS(ext4__write_end, ), TP_printk("dev %d,%d ino %lu pos %llu len %u copied %u", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->pos, - __entry->len, __entry->copied) + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->pos, __entry->len, __entry->copied) ); DEFINE_EVENT(ext4__write_end, ext4_ordered_write_end, @@ -310,22 +292,20 @@ TRACE_EVENT(ext4_writepage, TP_ARGS(inode, page), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( pgoff_t, index ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->index = page->index; ), TP_printk("dev %d,%d ino %lu page_index %lu", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->index) ); @@ -335,43 +315,39 @@ TRACE_EVENT(ext4_da_writepages, TP_ARGS(inode, wbc), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( long, nr_to_write ) __field( long, pages_skipped ) __field( loff_t, range_start ) __field( loff_t, range_end ) + __field( int, sync_mode ) __field( char, for_kupdate ) - __field( char, for_reclaim ) __field( char, range_cyclic ) __field( pgoff_t, writeback_index ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->nr_to_write = wbc->nr_to_write; __entry->pages_skipped = wbc->pages_skipped; __entry->range_start = wbc->range_start; __entry->range_end = wbc->range_end; + __entry->sync_mode = wbc->sync_mode; __entry->for_kupdate = wbc->for_kupdate; - __entry->for_reclaim = wbc->for_reclaim; __entry->range_cyclic = wbc->range_cyclic; __entry->writeback_index = inode->i_mapping->writeback_index; ), TP_printk("dev %d,%d ino %lu nr_to_write %ld pages_skipped %ld " - "range_start %llu range_end %llu " - "for_kupdate %d for_reclaim %d " - "range_cyclic %d writeback_index %lu", - __entry->dev_major, __entry->dev_minor, + "range_start %llu range_end %llu sync_mode %d" + "for_kupdate %d range_cyclic %d writeback_index %lu", + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->nr_to_write, __entry->pages_skipped, __entry->range_start, - __entry->range_end, - __entry->for_kupdate, __entry->for_reclaim, - __entry->range_cyclic, + __entry->range_end, __entry->sync_mode, + __entry->for_kupdate, __entry->range_cyclic, (unsigned long) __entry->writeback_index) ); @@ -381,8 +357,7 @@ TRACE_EVENT(ext4_da_write_pages, TP_ARGS(inode, mpd), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( __u64, b_blocknr ) __field( __u32, b_size ) @@ -390,11 +365,11 @@ TRACE_EVENT(ext4_da_write_pages, __field( unsigned long, first_page ) __field( int, io_done ) __field( int, pages_written ) + __field( int, sync_mode ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->b_blocknr = mpd->b_blocknr; __entry->b_size = mpd->b_size; @@ -402,14 +377,18 @@ TRACE_EVENT(ext4_da_write_pages, __entry->first_page = mpd->first_page; __entry->io_done = mpd->io_done; __entry->pages_written = mpd->pages_written; + __entry->sync_mode = mpd->wbc->sync_mode; ), - TP_printk("dev %d,%d ino %lu b_blocknr %llu b_size %u b_state 0x%04x first_page %lu io_done %d pages_written %d", - __entry->dev_major, __entry->dev_minor, + TP_printk("dev %d,%d ino %lu b_blocknr %llu b_size %u b_state 0x%04x " + "first_page %lu io_done %d pages_written %d sync_mode %d", + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->b_blocknr, __entry->b_size, __entry->b_state, __entry->first_page, - __entry->io_done, __entry->pages_written) + __entry->io_done, __entry->pages_written, + __entry->sync_mode + ) ); TRACE_EVENT(ext4_da_writepages_result, @@ -419,35 +398,100 @@ TRACE_EVENT(ext4_da_writepages_result, TP_ARGS(inode, wbc, ret, pages_written), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( int, ret ) __field( int, pages_written ) __field( long, pages_skipped ) + __field( int, sync_mode ) __field( char, more_io ) __field( pgoff_t, writeback_index ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->ret = ret; __entry->pages_written = pages_written; __entry->pages_skipped = wbc->pages_skipped; + __entry->sync_mode = wbc->sync_mode; __entry->more_io = wbc->more_io; __entry->writeback_index = inode->i_mapping->writeback_index; ), - TP_printk("dev %d,%d ino %lu ret %d pages_written %d pages_skipped %ld more_io %d writeback_index %lu", - __entry->dev_major, __entry->dev_minor, + TP_printk("dev %d,%d ino %lu ret %d pages_written %d pages_skipped %ld " + " more_io %d sync_mode %d writeback_index %lu", + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->ret, __entry->pages_written, __entry->pages_skipped, - __entry->more_io, + __entry->more_io, __entry->sync_mode, (unsigned long) __entry->writeback_index) ); +DECLARE_EVENT_CLASS(ext4__page_op, + TP_PROTO(struct page *page), + + TP_ARGS(page), + + TP_STRUCT__entry( + __field( pgoff_t, index ) + __field( ino_t, ino ) + __field( dev_t, dev ) + + ), + + TP_fast_assign( + __entry->index = page->index; + __entry->ino = page->mapping->host->i_ino; + __entry->dev = page->mapping->host->i_sb->s_dev; + ), + + TP_printk("dev %d,%d ino %lu page_index %lu", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->index) +); + +DEFINE_EVENT(ext4__page_op, ext4_readpage, + + TP_PROTO(struct page *page), + + TP_ARGS(page) +); + +DEFINE_EVENT(ext4__page_op, ext4_releasepage, + + TP_PROTO(struct page *page), + + TP_ARGS(page) +); + +TRACE_EVENT(ext4_invalidatepage, + TP_PROTO(struct page *page, unsigned long offset), + + TP_ARGS(page, offset), + + TP_STRUCT__entry( + __field( pgoff_t, index ) + __field( unsigned long, offset ) + __field( ino_t, ino ) + __field( dev_t, dev ) + + ), + + TP_fast_assign( + __entry->index = page->index; + __entry->offset = offset; + __entry->ino = page->mapping->host->i_ino; + __entry->dev = page->mapping->host->i_sb->s_dev; + ), + + TP_printk("dev %d,%d ino %lu page_index %lu offset %lu", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->index, __entry->offset) +); + TRACE_EVENT(ext4_discard_blocks, TP_PROTO(struct super_block *sb, unsigned long long blk, unsigned long long count), @@ -455,22 +499,20 @@ TRACE_EVENT(ext4_discard_blocks, TP_ARGS(sb, blk, count), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( __u64, blk ) __field( __u64, count ) ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->blk = blk; __entry->count = count; ), TP_printk("dev %d,%d blk %llu count %llu", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), __entry->blk, __entry->count) ); @@ -481,8 +523,7 @@ DECLARE_EVENT_CLASS(ext4__mb_new_pa, TP_ARGS(ac, pa), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( __u64, pa_pstart ) __field( __u32, pa_len ) @@ -491,8 +532,7 @@ DECLARE_EVENT_CLASS(ext4__mb_new_pa, ), TP_fast_assign( - __entry->dev_major = MAJOR(ac->ac_sb->s_dev); - __entry->dev_minor = MINOR(ac->ac_sb->s_dev); + __entry->dev = ac->ac_sb->s_dev; __entry->ino = ac->ac_inode->i_ino; __entry->pa_pstart = pa->pa_pstart; __entry->pa_len = pa->pa_len; @@ -500,9 +540,9 @@ DECLARE_EVENT_CLASS(ext4__mb_new_pa, ), TP_printk("dev %d,%d ino %lu pstart %llu len %u lstart %llu", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->pa_pstart, - __entry->pa_len, __entry->pa_lstart) + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart) ); DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_inode_pa, @@ -530,8 +570,7 @@ TRACE_EVENT(ext4_mb_release_inode_pa, TP_ARGS(sb, inode, pa, block, count), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( __u64, block ) __field( __u32, count ) @@ -539,16 +578,16 @@ TRACE_EVENT(ext4_mb_release_inode_pa, ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->ino = inode->i_ino; __entry->block = block; __entry->count = count; ), TP_printk("dev %d,%d ino %lu block %llu count %u", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->block, __entry->count) + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->block, __entry->count) ); TRACE_EVENT(ext4_mb_release_group_pa, @@ -558,22 +597,20 @@ TRACE_EVENT(ext4_mb_release_group_pa, TP_ARGS(sb, pa), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( __u64, pa_pstart ) __field( __u32, pa_len ) ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->pa_pstart = pa->pa_pstart; __entry->pa_len = pa->pa_len; ), TP_printk("dev %d,%d pstart %llu len %u", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), __entry->pa_pstart, __entry->pa_len) ); @@ -583,20 +620,18 @@ TRACE_EVENT(ext4_discard_preallocations, TP_ARGS(inode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; ), TP_printk("dev %d,%d ino %lu", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino) ); @@ -606,20 +641,19 @@ TRACE_EVENT(ext4_mb_discard_preallocations, TP_ARGS(sb, needed), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( int, needed ) ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->needed = needed; ), TP_printk("dev %d,%d needed %d", - __entry->dev_major, __entry->dev_minor, __entry->needed) + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->needed) ); TRACE_EVENT(ext4_request_blocks, @@ -628,8 +662,7 @@ TRACE_EVENT(ext4_request_blocks, TP_ARGS(ar), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( unsigned int, flags ) __field( unsigned int, len ) @@ -642,8 +675,7 @@ TRACE_EVENT(ext4_request_blocks, ), TP_fast_assign( - __entry->dev_major = MAJOR(ar->inode->i_sb->s_dev); - __entry->dev_minor = MINOR(ar->inode->i_sb->s_dev); + __entry->dev = ar->inode->i_sb->s_dev; __entry->ino = ar->inode->i_ino; __entry->flags = ar->flags; __entry->len = ar->len; @@ -655,8 +687,9 @@ TRACE_EVENT(ext4_request_blocks, __entry->pright = ar->pright; ), - TP_printk("dev %d,%d ino %lu flags %u len %u lblk %llu goal %llu lleft %llu lright %llu pleft %llu pright %llu ", - __entry->dev_major, __entry->dev_minor, + TP_printk("dev %d,%d ino %lu flags %u len %u lblk %llu goal %llu " + "lleft %llu lright %llu pleft %llu pright %llu ", + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->flags, __entry->len, (unsigned long long) __entry->logical, @@ -673,8 +706,7 @@ TRACE_EVENT(ext4_allocate_blocks, TP_ARGS(ar, block), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( __u64, block ) __field( unsigned int, flags ) @@ -688,8 +720,7 @@ TRACE_EVENT(ext4_allocate_blocks, ), TP_fast_assign( - __entry->dev_major = MAJOR(ar->inode->i_sb->s_dev); - __entry->dev_minor = MINOR(ar->inode->i_sb->s_dev); + __entry->dev = ar->inode->i_sb->s_dev; __entry->ino = ar->inode->i_ino; __entry->block = block; __entry->flags = ar->flags; @@ -702,10 +733,11 @@ TRACE_EVENT(ext4_allocate_blocks, __entry->pright = ar->pright; ), - TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %llu goal %llu lleft %llu lright %llu pleft %llu pright %llu ", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->flags, - __entry->len, __entry->block, + TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %llu " + "goal %llu lleft %llu lright %llu pleft %llu pright %llu", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->flags, __entry->len, __entry->block, (unsigned long long) __entry->logical, (unsigned long long) __entry->goal, (unsigned long long) __entry->lleft, @@ -721,8 +753,7 @@ TRACE_EVENT(ext4_free_blocks, TP_ARGS(inode, block, count, flags), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( umode_t, mode ) __field( __u64, block ) @@ -731,8 +762,7 @@ TRACE_EVENT(ext4_free_blocks, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->mode = inode->i_mode; __entry->block = block; @@ -741,20 +771,19 @@ TRACE_EVENT(ext4_free_blocks, ), TP_printk("dev %d,%d ino %lu mode 0%o block %llu count %lu flags %d", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->mode, __entry->block, __entry->count, __entry->flags) ); -TRACE_EVENT(ext4_sync_file, +TRACE_EVENT(ext4_sync_file_enter, TP_PROTO(struct file *file, int datasync), TP_ARGS(file, datasync), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( ino_t, parent ) __field( int, datasync ) @@ -763,39 +792,60 @@ TRACE_EVENT(ext4_sync_file, TP_fast_assign( struct dentry *dentry = file->f_path.dentry; - __entry->dev_major = MAJOR(dentry->d_inode->i_sb->s_dev); - __entry->dev_minor = MINOR(dentry->d_inode->i_sb->s_dev); + __entry->dev = dentry->d_inode->i_sb->s_dev; __entry->ino = dentry->d_inode->i_ino; __entry->datasync = datasync; __entry->parent = dentry->d_parent->d_inode->i_ino; ), TP_printk("dev %d,%d ino %ld parent %ld datasync %d ", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (unsigned long) __entry->parent, __entry->datasync) ); +TRACE_EVENT(ext4_sync_file_exit, + TP_PROTO(struct inode *inode, int ret), + + TP_ARGS(inode, ret), + + TP_STRUCT__entry( + __field( int, ret ) + __field( ino_t, ino ) + __field( dev_t, dev ) + ), + + TP_fast_assign( + __entry->ret = ret; + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + ), + + TP_printk("dev %d,%d ino %ld ret %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->ret) +); + TRACE_EVENT(ext4_sync_fs, TP_PROTO(struct super_block *sb, int wait), TP_ARGS(sb, wait), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( int, wait ) ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->wait = wait; ), - TP_printk("dev %d,%d wait %d", __entry->dev_major, - __entry->dev_minor, __entry->wait) + TP_printk("dev %d,%d wait %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->wait) ); TRACE_EVENT(ext4_alloc_da_blocks, @@ -804,23 +854,21 @@ TRACE_EVENT(ext4_alloc_da_blocks, TP_ARGS(inode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( unsigned int, data_blocks ) __field( unsigned int, meta_blocks ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->data_blocks = EXT4_I(inode)->i_reserved_data_blocks; __entry->meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks; ), TP_printk("dev %d,%d ino %lu data_blocks %u meta_blocks %u", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->data_blocks, __entry->meta_blocks) ); @@ -831,8 +879,7 @@ TRACE_EVENT(ext4_mballoc_alloc, TP_ARGS(ac), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( __u16, found ) __field( __u16, groups ) @@ -855,8 +902,7 @@ TRACE_EVENT(ext4_mballoc_alloc, ), TP_fast_assign( - __entry->dev_major = MAJOR(ac->ac_inode->i_sb->s_dev); - __entry->dev_minor = MINOR(ac->ac_inode->i_sb->s_dev); + __entry->dev = ac->ac_inode->i_sb->s_dev; __entry->ino = ac->ac_inode->i_ino; __entry->found = ac->ac_found; __entry->flags = ac->ac_flags; @@ -881,7 +927,7 @@ TRACE_EVENT(ext4_mballoc_alloc, TP_printk("dev %d,%d inode %lu orig %u/%d/%u@%u goal %u/%d/%u@%u " "result %u/%d/%u@%u blks %u grps %u cr %u flags 0x%04x " "tail %u broken %u", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->orig_group, __entry->orig_start, __entry->orig_len, __entry->orig_logical, @@ -900,8 +946,7 @@ TRACE_EVENT(ext4_mballoc_prealloc, TP_ARGS(ac), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( __u32, orig_logical ) __field( int, orig_start ) @@ -914,8 +959,7 @@ TRACE_EVENT(ext4_mballoc_prealloc, ), TP_fast_assign( - __entry->dev_major = MAJOR(ac->ac_inode->i_sb->s_dev); - __entry->dev_minor = MINOR(ac->ac_inode->i_sb->s_dev); + __entry->dev = ac->ac_inode->i_sb->s_dev; __entry->ino = ac->ac_inode->i_ino; __entry->orig_logical = ac->ac_o_ex.fe_logical; __entry->orig_start = ac->ac_o_ex.fe_start; @@ -928,7 +972,7 @@ TRACE_EVENT(ext4_mballoc_prealloc, ), TP_printk("dev %d,%d inode %lu orig %u/%d/%u@%u result %u/%d/%u@%u", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->orig_group, __entry->orig_start, __entry->orig_len, __entry->orig_logical, @@ -946,8 +990,7 @@ DECLARE_EVENT_CLASS(ext4__mballoc, TP_ARGS(sb, inode, group, start, len), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( int, result_start ) __field( __u32, result_group ) @@ -955,8 +998,7 @@ DECLARE_EVENT_CLASS(ext4__mballoc, ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->ino = inode ? inode->i_ino : 0; __entry->result_start = start; __entry->result_group = group; @@ -964,7 +1006,7 @@ DECLARE_EVENT_CLASS(ext4__mballoc, ), TP_printk("dev %d,%d inode %lu extent %u/%d/%u ", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->result_group, __entry->result_start, __entry->result_len) @@ -998,8 +1040,7 @@ TRACE_EVENT(ext4_forget, TP_ARGS(inode, is_metadata, block), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( umode_t, mode ) __field( int, is_metadata ) @@ -1007,8 +1048,7 @@ TRACE_EVENT(ext4_forget, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->mode = inode->i_mode; __entry->is_metadata = is_metadata; @@ -1016,9 +1056,9 @@ TRACE_EVENT(ext4_forget, ), TP_printk("dev %d,%d ino %lu mode 0%o is_metadata %d block %llu", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->mode, - __entry->is_metadata, __entry->block) + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->mode, __entry->is_metadata, __entry->block) ); TRACE_EVENT(ext4_da_update_reserve_space, @@ -1027,8 +1067,7 @@ TRACE_EVENT(ext4_da_update_reserve_space, TP_ARGS(inode, used_blocks), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( umode_t, mode ) __field( __u64, i_blocks ) @@ -1039,8 +1078,7 @@ TRACE_EVENT(ext4_da_update_reserve_space, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->mode = inode->i_mode; __entry->i_blocks = inode->i_blocks; @@ -1050,10 +1088,12 @@ TRACE_EVENT(ext4_da_update_reserve_space, __entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks; ), - TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu used_blocks %d reserved_data_blocks %d reserved_meta_blocks %d allocated_meta_blocks %d", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->mode, - (unsigned long long) __entry->i_blocks, + TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu used_blocks %d " + "reserved_data_blocks %d reserved_meta_blocks %d " + "allocated_meta_blocks %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->mode, (unsigned long long) __entry->i_blocks, __entry->used_blocks, __entry->reserved_data_blocks, __entry->reserved_meta_blocks, __entry->allocated_meta_blocks) ); @@ -1064,8 +1104,7 @@ TRACE_EVENT(ext4_da_reserve_space, TP_ARGS(inode, md_needed), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( umode_t, mode ) __field( __u64, i_blocks ) @@ -1075,8 +1114,7 @@ TRACE_EVENT(ext4_da_reserve_space, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->mode = inode->i_mode; __entry->i_blocks = inode->i_blocks; @@ -1085,8 +1123,9 @@ TRACE_EVENT(ext4_da_reserve_space, __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks; ), - TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu md_needed %d reserved_data_blocks %d reserved_meta_blocks %d", - __entry->dev_major, __entry->dev_minor, + TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu md_needed %d " + "reserved_data_blocks %d reserved_meta_blocks %d", + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->mode, (unsigned long long) __entry->i_blocks, __entry->md_needed, __entry->reserved_data_blocks, @@ -1099,8 +1138,7 @@ TRACE_EVENT(ext4_da_release_space, TP_ARGS(inode, freed_blocks), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( umode_t, mode ) __field( __u64, i_blocks ) @@ -1111,8 +1149,7 @@ TRACE_EVENT(ext4_da_release_space, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->mode = inode->i_mode; __entry->i_blocks = inode->i_blocks; @@ -1122,8 +1159,10 @@ TRACE_EVENT(ext4_da_release_space, __entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks; ), - TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu freed_blocks %d reserved_data_blocks %d reserved_meta_blocks %d allocated_meta_blocks %d", - __entry->dev_major, __entry->dev_minor, + TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu freed_blocks %d " + "reserved_data_blocks %d reserved_meta_blocks %d " + "allocated_meta_blocks %d", + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->mode, (unsigned long long) __entry->i_blocks, __entry->freed_blocks, __entry->reserved_data_blocks, @@ -1136,20 +1175,19 @@ DECLARE_EVENT_CLASS(ext4__bitmap_load, TP_ARGS(sb, group), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( __u32, group ) ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->group = group; ), TP_printk("dev %d,%d group %u", - __entry->dev_major, __entry->dev_minor, __entry->group) + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->group) ); DEFINE_EVENT(ext4__bitmap_load, ext4_mb_bitmap_load, @@ -1166,6 +1204,349 @@ DEFINE_EVENT(ext4__bitmap_load, ext4_mb_buddy_bitmap_load, TP_ARGS(sb, group) ); +DEFINE_EVENT(ext4__bitmap_load, ext4_read_block_bitmap_load, + + TP_PROTO(struct super_block *sb, unsigned long group), + + TP_ARGS(sb, group) +); + +DEFINE_EVENT(ext4__bitmap_load, ext4_load_inode_bitmap, + + TP_PROTO(struct super_block *sb, unsigned long group), + + TP_ARGS(sb, group) +); + +TRACE_EVENT(ext4_direct_IO_enter, + TP_PROTO(struct inode *inode, loff_t offset, unsigned long len, int rw), + + TP_ARGS(inode, offset, len, rw), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( dev_t, dev ) + __field( loff_t, pos ) + __field( unsigned long, len ) + __field( int, rw ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + __entry->pos = offset; + __entry->len = len; + __entry->rw = rw; + ), + + TP_printk("dev %d,%d ino %lu pos %llu len %lu rw %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + (unsigned long long) __entry->pos, __entry->len, __entry->rw) +); + +TRACE_EVENT(ext4_direct_IO_exit, + TP_PROTO(struct inode *inode, loff_t offset, unsigned long len, int rw, int ret), + + TP_ARGS(inode, offset, len, rw, ret), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( dev_t, dev ) + __field( loff_t, pos ) + __field( unsigned long, len ) + __field( int, rw ) + __field( int, ret ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + __entry->pos = offset; + __entry->len = len; + __entry->rw = rw; + __entry->ret = ret; + ), + + TP_printk("dev %d,%d ino %lu pos %llu len %lu rw %d ret %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + (unsigned long long) __entry->pos, __entry->len, + __entry->rw, __entry->ret) +); + +TRACE_EVENT(ext4_fallocate_enter, + TP_PROTO(struct inode *inode, loff_t offset, loff_t len, int mode), + + TP_ARGS(inode, offset, len, mode), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( dev_t, dev ) + __field( loff_t, pos ) + __field( loff_t, len ) + __field( int, mode ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + __entry->pos = offset; + __entry->len = len; + __entry->mode = mode; + ), + + TP_printk("dev %d,%d ino %ld pos %llu len %llu mode %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + (unsigned long long) __entry->pos, + (unsigned long long) __entry->len, __entry->mode) +); + +TRACE_EVENT(ext4_fallocate_exit, + TP_PROTO(struct inode *inode, loff_t offset, unsigned int max_blocks, int ret), + + TP_ARGS(inode, offset, max_blocks, ret), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( dev_t, dev ) + __field( loff_t, pos ) + __field( unsigned, blocks ) + __field( int, ret ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + __entry->pos = offset; + __entry->blocks = max_blocks; + __entry->ret = ret; + ), + + TP_printk("dev %d,%d ino %ld pos %llu blocks %d ret %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + (unsigned long long) __entry->pos, __entry->blocks, + __entry->ret) +); + +TRACE_EVENT(ext4_unlink_enter, + TP_PROTO(struct inode *parent, struct dentry *dentry), + + TP_ARGS(parent, dentry), + + TP_STRUCT__entry( + __field( ino_t, parent ) + __field( ino_t, ino ) + __field( loff_t, size ) + __field( dev_t, dev ) + ), + + TP_fast_assign( + __entry->parent = parent->i_ino; + __entry->ino = dentry->d_inode->i_ino; + __entry->size = dentry->d_inode->i_size; + __entry->dev = dentry->d_inode->i_sb->s_dev; + ), + + TP_printk("dev %d,%d ino %ld size %lld parent %ld", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, __entry->size, + (unsigned long) __entry->parent) +); + +TRACE_EVENT(ext4_unlink_exit, + TP_PROTO(struct dentry *dentry, int ret), + + TP_ARGS(dentry, ret), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( dev_t, dev ) + __field( int, ret ) + ), + + TP_fast_assign( + __entry->ino = dentry->d_inode->i_ino; + __entry->dev = dentry->d_inode->i_sb->s_dev; + __entry->ret = ret; + ), + + TP_printk("dev %d,%d ino %ld ret %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->ret) +); + +DECLARE_EVENT_CLASS(ext4__truncate, + TP_PROTO(struct inode *inode), + + TP_ARGS(inode), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( dev_t, dev ) + __field( blkcnt_t, blocks ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + __entry->blocks = inode->i_blocks; + ), + + TP_printk("dev %d,%d ino %lu blocks %lu", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, (unsigned long) __entry->blocks) +); + +DEFINE_EVENT(ext4__truncate, ext4_truncate_enter, + + TP_PROTO(struct inode *inode), + + TP_ARGS(inode) +); + +DEFINE_EVENT(ext4__truncate, ext4_truncate_exit, + + TP_PROTO(struct inode *inode), + + TP_ARGS(inode) +); + +DECLARE_EVENT_CLASS(ext4__map_blocks_enter, + TP_PROTO(struct inode *inode, ext4_lblk_t lblk, + unsigned len, unsigned flags), + + TP_ARGS(inode, lblk, len, flags), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( dev_t, dev ) + __field( ext4_lblk_t, lblk ) + __field( unsigned, len ) + __field( unsigned, flags ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + __entry->lblk = lblk; + __entry->len = len; + __entry->flags = flags; + ), + + TP_printk("dev %d,%d ino %lu lblk %u len %u flags %u", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + (unsigned) __entry->lblk, __entry->len, __entry->flags) +); + +DEFINE_EVENT(ext4__map_blocks_enter, ext4_ext_map_blocks_enter, + TP_PROTO(struct inode *inode, ext4_lblk_t lblk, + unsigned len, unsigned flags), + + TP_ARGS(inode, lblk, len, flags) +); + +DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter, + TP_PROTO(struct inode *inode, ext4_lblk_t lblk, + unsigned len, unsigned flags), + + TP_ARGS(inode, lblk, len, flags) +); + +DECLARE_EVENT_CLASS(ext4__map_blocks_exit, + TP_PROTO(struct inode *inode, ext4_lblk_t lblk, + ext4_fsblk_t pblk, unsigned len, int ret), + + TP_ARGS(inode, lblk, pblk, len, ret), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( dev_t, dev ) + __field( ext4_lblk_t, lblk ) + __field( ext4_fsblk_t, pblk ) + __field( unsigned, len ) + __field( int, ret ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + __entry->lblk = lblk; + __entry->pblk = pblk; + __entry->len = len; + __entry->ret = ret; + ), + + TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u ret %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + (unsigned) __entry->lblk, (unsigned long long) __entry->pblk, + __entry->len, __entry->ret) +); + +DEFINE_EVENT(ext4__map_blocks_exit, ext4_ext_map_blocks_exit, + TP_PROTO(struct inode *inode, ext4_lblk_t lblk, + ext4_fsblk_t pblk, unsigned len, int ret), + + TP_ARGS(inode, lblk, pblk, len, ret) +); + +DEFINE_EVENT(ext4__map_blocks_exit, ext4_ind_map_blocks_exit, + TP_PROTO(struct inode *inode, ext4_lblk_t lblk, + ext4_fsblk_t pblk, unsigned len, int ret), + + TP_ARGS(inode, lblk, pblk, len, ret) +); + +TRACE_EVENT(ext4_ext_load_extent, + TP_PROTO(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk), + + TP_ARGS(inode, lblk, pblk), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( dev_t, dev ) + __field( ext4_lblk_t, lblk ) + __field( ext4_fsblk_t, pblk ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + __entry->lblk = lblk; + __entry->pblk = pblk; + ), + + TP_printk("dev %d,%d ino %lu lblk %u pblk %llu", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + (unsigned) __entry->lblk, (unsigned long long) __entry->pblk) +); + +TRACE_EVENT(ext4_load_inode, + TP_PROTO(struct inode *inode), + + TP_ARGS(inode), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( dev_t, dev ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + ), + + TP_printk("dev %d,%d ino %ld", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino) +); + #endif /* _TRACE_EXT4_H */ /* This part must be outside protection */ diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h index 7447ea9305b..bf16545cc97 100644 --- a/include/trace/events/jbd2.h +++ b/include/trace/events/jbd2.h @@ -17,19 +17,17 @@ TRACE_EVENT(jbd2_checkpoint, TP_ARGS(journal, result), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( int, result ) ), TP_fast_assign( - __entry->dev_major = MAJOR(journal->j_fs_dev->bd_dev); - __entry->dev_minor = MINOR(journal->j_fs_dev->bd_dev); + __entry->dev = journal->j_fs_dev->bd_dev; __entry->result = result; ), - TP_printk("dev %d,%d result %d", - __entry->dev_major, __entry->dev_minor, __entry->result) + TP_printk("dev %s result %d", + jbd2_dev_to_name(__entry->dev), __entry->result) ); DECLARE_EVENT_CLASS(jbd2_commit, @@ -39,22 +37,20 @@ DECLARE_EVENT_CLASS(jbd2_commit, TP_ARGS(journal, commit_transaction), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( char, sync_commit ) __field( int, transaction ) ), TP_fast_assign( - __entry->dev_major = MAJOR(journal->j_fs_dev->bd_dev); - __entry->dev_minor = MINOR(journal->j_fs_dev->bd_dev); + __entry->dev = journal->j_fs_dev->bd_dev; __entry->sync_commit = commit_transaction->t_synchronous_commit; __entry->transaction = commit_transaction->t_tid; ), - TP_printk("dev %d,%d transaction %d sync %d", - __entry->dev_major, __entry->dev_minor, - __entry->transaction, __entry->sync_commit) + TP_printk("dev %s transaction %d sync %d", + jbd2_dev_to_name(__entry->dev), __entry->transaction, + __entry->sync_commit) ); DEFINE_EVENT(jbd2_commit, jbd2_start_commit, @@ -91,24 +87,22 @@ TRACE_EVENT(jbd2_end_commit, TP_ARGS(journal, commit_transaction), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( char, sync_commit ) __field( int, transaction ) __field( int, head ) ), TP_fast_assign( - __entry->dev_major = MAJOR(journal->j_fs_dev->bd_dev); - __entry->dev_minor = MINOR(journal->j_fs_dev->bd_dev); + __entry->dev = journal->j_fs_dev->bd_dev; __entry->sync_commit = commit_transaction->t_synchronous_commit; __entry->transaction = commit_transaction->t_tid; __entry->head = journal->j_tail_sequence; ), - TP_printk("dev %d,%d transaction %d sync %d head %d", - __entry->dev_major, __entry->dev_minor, - __entry->transaction, __entry->sync_commit, __entry->head) + TP_printk("dev %s transaction %d sync %d head %d", + jbd2_dev_to_name(__entry->dev), __entry->transaction, + __entry->sync_commit, __entry->head) ); TRACE_EVENT(jbd2_submit_inode_data, @@ -117,20 +111,17 @@ TRACE_EVENT(jbd2_submit_inode_data, TP_ARGS(inode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; ), - TP_printk("dev %d,%d ino %lu", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino) + TP_printk("dev %s ino %lu", + jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino) ); TRACE_EVENT(jbd2_run_stats, @@ -140,8 +131,7 @@ TRACE_EVENT(jbd2_run_stats, TP_ARGS(dev, tid, stats), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( unsigned long, tid ) __field( unsigned long, wait ) __field( unsigned long, running ) @@ -154,8 +144,7 @@ TRACE_EVENT(jbd2_run_stats, ), TP_fast_assign( - __entry->dev_major = MAJOR(dev); - __entry->dev_minor = MINOR(dev); + __entry->dev = dev; __entry->tid = tid; __entry->wait = stats->rs_wait; __entry->running = stats->rs_running; @@ -167,9 +156,9 @@ TRACE_EVENT(jbd2_run_stats, __entry->blocks_logged = stats->rs_blocks_logged; ), - TP_printk("dev %d,%d tid %lu wait %u running %u locked %u flushing %u " + TP_printk("dev %s tid %lu wait %u running %u locked %u flushing %u " "logging %u handle_count %u blocks %u blocks_logged %u", - __entry->dev_major, __entry->dev_minor, __entry->tid, + jbd2_dev_to_name(__entry->dev), __entry->tid, jiffies_to_msecs(__entry->wait), jiffies_to_msecs(__entry->running), jiffies_to_msecs(__entry->locked), @@ -186,8 +175,7 @@ TRACE_EVENT(jbd2_checkpoint_stats, TP_ARGS(dev, tid, stats), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( unsigned long, tid ) __field( unsigned long, chp_time ) __field( __u32, forced_to_close ) @@ -196,8 +184,7 @@ TRACE_EVENT(jbd2_checkpoint_stats, ), TP_fast_assign( - __entry->dev_major = MAJOR(dev); - __entry->dev_minor = MINOR(dev); + __entry->dev = dev; __entry->tid = tid; __entry->chp_time = stats->cs_chp_time; __entry->forced_to_close= stats->cs_forced_to_close; @@ -205,9 +192,9 @@ TRACE_EVENT(jbd2_checkpoint_stats, __entry->dropped = stats->cs_dropped; ), - TP_printk("dev %d,%d tid %lu chp_time %u forced_to_close %u " + TP_printk("dev %s tid %lu chp_time %u forced_to_close %u " "written %u dropped %u", - __entry->dev_major, __entry->dev_minor, __entry->tid, + jbd2_dev_to_name(__entry->dev), __entry->tid, jiffies_to_msecs(__entry->chp_time), __entry->forced_to_close, __entry->written, __entry->dropped) ); @@ -220,8 +207,7 @@ TRACE_EVENT(jbd2_cleanup_journal_tail, TP_ARGS(journal, first_tid, block_nr, freed), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( tid_t, tail_sequence ) __field( tid_t, first_tid ) __field(unsigned long, block_nr ) @@ -229,18 +215,16 @@ TRACE_EVENT(jbd2_cleanup_journal_tail, ), TP_fast_assign( - __entry->dev_major = MAJOR(journal->j_fs_dev->bd_dev); - __entry->dev_minor = MINOR(journal->j_fs_dev->bd_dev); + __entry->dev = journal->j_fs_dev->bd_dev; __entry->tail_sequence = journal->j_tail_sequence; __entry->first_tid = first_tid; __entry->block_nr = block_nr; __entry->freed = freed; ), - TP_printk("dev %d,%d from %u to %u offset %lu freed %lu", - __entry->dev_major, __entry->dev_minor, - __entry->tail_sequence, __entry->first_tid, - __entry->block_nr, __entry->freed) + TP_printk("dev %s from %u to %u offset %lu freed %lu", + jbd2_dev_to_name(__entry->dev), __entry->tail_sequence, + __entry->first_tid, __entry->block_nr, __entry->freed) ); #endif /* _TRACE_JBD2_H */ -- cgit v1.2.3 From 1abe9b8a138c9988ba8f7bfded6453649a31541f Mon Sep 17 00:00:00 2001 From: liubo Date: Thu, 24 Mar 2011 11:18:59 +0000 Subject: Btrfs: add initial tracepoint support for btrfs Tracepoints can provide insight into why btrfs hits bugs and be greatly helpful for debugging, e.g dd-7822 [000] 2121.641088: btrfs_inode_request: root = 5(FS_TREE), gen = 4, ino = 256, blocks = 8, disk_i_size = 0, last_trans = 8, logged_trans = 0 dd-7822 [000] 2121.641100: btrfs_inode_new: root = 5(FS_TREE), gen = 8, ino = 257, blocks = 0, disk_i_size = 0, last_trans = 0, logged_trans = 0 btrfs-transacti-7804 [001] 2146.935420: btrfs_cow_block: root = 2(EXTENT_TREE), refs = 2, orig_buf = 29368320 (orig_level = 0), cow_buf = 29388800 (cow_level = 0) btrfs-transacti-7804 [001] 2146.935473: btrfs_cow_block: root = 1(ROOT_TREE), refs = 2, orig_buf = 29364224 (orig_level = 0), cow_buf = 29392896 (cow_level = 0) btrfs-transacti-7804 [001] 2146.972221: btrfs_transaction_commit: root = 1(ROOT_TREE), gen = 8 flush-btrfs-2-7821 [001] 2155.824210: btrfs_chunk_alloc: root = 3(CHUNK_TREE), offset = 1103101952, size = 1073741824, num_stripes = 1, sub_stripes = 0, type = DATA flush-btrfs-2-7821 [001] 2155.824241: btrfs_cow_block: root = 2(EXTENT_TREE), refs = 2, orig_buf = 29388800 (orig_level = 0), cow_buf = 29396992 (cow_level = 0) flush-btrfs-2-7821 [001] 2155.824255: btrfs_cow_block: root = 4(DEV_TREE), refs = 2, orig_buf = 29372416 (orig_level = 0), cow_buf = 29401088 (cow_level = 0) flush-btrfs-2-7821 [000] 2155.824329: btrfs_cow_block: root = 3(CHUNK_TREE), refs = 2, orig_buf = 20971520 (orig_level = 0), cow_buf = 20975616 (cow_level = 0) btrfs-endio-wri-7800 [001] 2155.898019: btrfs_cow_block: root = 5(FS_TREE), refs = 2, orig_buf = 29384704 (orig_level = 0), cow_buf = 29405184 (cow_level = 0) btrfs-endio-wri-7800 [001] 2155.898043: btrfs_cow_block: root = 7(CSUM_TREE), refs = 2, orig_buf = 29376512 (orig_level = 0), cow_buf = 29409280 (cow_level = 0) Here is what I have added: 1) ordere_extent: btrfs_ordered_extent_add btrfs_ordered_extent_remove btrfs_ordered_extent_start btrfs_ordered_extent_put These provide critical information to understand how ordered_extents are updated. 2) extent_map: btrfs_get_extent extent_map is used in both read and write cases, and it is useful for tracking how btrfs specific IO is running. 3) writepage: __extent_writepage btrfs_writepage_end_io_hook Pages are cirtical resourses and produce a lot of corner cases during writeback, so it is valuable to know how page is written to disk. 4) inode: btrfs_inode_new btrfs_inode_request btrfs_inode_evict These can show where and when a inode is created, when a inode is evicted. 5) sync: btrfs_sync_file btrfs_sync_fs These show sync arguments. 6) transaction: btrfs_transaction_commit In transaction based filesystem, it will be useful to know the generation and who does commit. 7) back reference and cow: btrfs_delayed_tree_ref btrfs_delayed_data_ref btrfs_delayed_ref_head btrfs_cow_block Btrfs natively supports back references, these tracepoints are helpful on understanding btrfs's COW mechanism. 8) chunk: btrfs_chunk_alloc btrfs_chunk_free Chunk is a link between physical offset and logical offset, and stands for space infomation in btrfs, and these are helpful on tracing space things. 9) reserved_extent: btrfs_reserved_extent_alloc btrfs_reserved_extent_free These can show how btrfs uses its space. Signed-off-by: Liu Bo Signed-off-by: Chris Mason --- include/trace/events/btrfs.h | 667 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 667 insertions(+) create mode 100644 include/trace/events/btrfs.h (limited to 'include/trace/events') diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h new file mode 100644 index 00000000000..f445cff66ab --- /dev/null +++ b/include/trace/events/btrfs.h @@ -0,0 +1,667 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM btrfs + +#if !defined(_TRACE_BTRFS_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_BTRFS_H + +#include +#include + +struct btrfs_root; +struct btrfs_fs_info; +struct btrfs_inode; +struct extent_map; +struct btrfs_ordered_extent; +struct btrfs_delayed_ref_node; +struct btrfs_delayed_tree_ref; +struct btrfs_delayed_data_ref; +struct btrfs_delayed_ref_head; +struct map_lookup; +struct extent_buffer; + +#define show_ref_type(type) \ + __print_symbolic(type, \ + { BTRFS_TREE_BLOCK_REF_KEY, "TREE_BLOCK_REF" }, \ + { BTRFS_EXTENT_DATA_REF_KEY, "EXTENT_DATA_REF" }, \ + { BTRFS_EXTENT_REF_V0_KEY, "EXTENT_REF_V0" }, \ + { BTRFS_SHARED_BLOCK_REF_KEY, "SHARED_BLOCK_REF" }, \ + { BTRFS_SHARED_DATA_REF_KEY, "SHARED_DATA_REF" }) + +#define __show_root_type(obj) \ + __print_symbolic(obj, \ + { BTRFS_ROOT_TREE_OBJECTID, "ROOT_TREE" }, \ + { BTRFS_EXTENT_TREE_OBJECTID, "EXTENT_TREE" }, \ + { BTRFS_CHUNK_TREE_OBJECTID, "CHUNK_TREE" }, \ + { BTRFS_DEV_TREE_OBJECTID, "DEV_TREE" }, \ + { BTRFS_FS_TREE_OBJECTID, "FS_TREE" }, \ + { BTRFS_ROOT_TREE_DIR_OBJECTID, "ROOT_TREE_DIR" }, \ + { BTRFS_CSUM_TREE_OBJECTID, "CSUM_TREE" }, \ + { BTRFS_TREE_LOG_OBJECTID, "TREE_LOG" }, \ + { BTRFS_TREE_RELOC_OBJECTID, "TREE_RELOC" }, \ + { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" }) + +#define show_root_type(obj) \ + obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) || \ + (obj <= BTRFS_CSUM_TREE_OBJECTID )) ? __show_root_type(obj) : "-" + +TRACE_EVENT(btrfs_transaction_commit, + + TP_PROTO(struct btrfs_root *root), + + TP_ARGS(root), + + TP_STRUCT__entry( + __field( u64, generation ) + __field( u64, root_objectid ) + ), + + TP_fast_assign( + __entry->generation = root->fs_info->generation; + __entry->root_objectid = root->root_key.objectid; + ), + + TP_printk("root = %llu(%s), gen = %llu", + show_root_type(__entry->root_objectid), + (unsigned long long)__entry->generation) +); + +DECLARE_EVENT_CLASS(btrfs__inode, + + TP_PROTO(struct inode *inode), + + TP_ARGS(inode), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( blkcnt_t, blocks ) + __field( u64, disk_i_size ) + __field( u64, generation ) + __field( u64, last_trans ) + __field( u64, logged_trans ) + __field( u64, root_objectid ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->blocks = inode->i_blocks; + __entry->disk_i_size = BTRFS_I(inode)->disk_i_size; + __entry->generation = BTRFS_I(inode)->generation; + __entry->last_trans = BTRFS_I(inode)->last_trans; + __entry->logged_trans = BTRFS_I(inode)->logged_trans; + __entry->root_objectid = + BTRFS_I(inode)->root->root_key.objectid; + ), + + TP_printk("root = %llu(%s), gen = %llu, ino = %lu, blocks = %llu, " + "disk_i_size = %llu, last_trans = %llu, logged_trans = %llu", + show_root_type(__entry->root_objectid), + (unsigned long long)__entry->generation, + (unsigned long)__entry->ino, + (unsigned long long)__entry->blocks, + (unsigned long long)__entry->disk_i_size, + (unsigned long long)__entry->last_trans, + (unsigned long long)__entry->logged_trans) +); + +DEFINE_EVENT(btrfs__inode, btrfs_inode_new, + + TP_PROTO(struct inode *inode), + + TP_ARGS(inode) +); + +DEFINE_EVENT(btrfs__inode, btrfs_inode_request, + + TP_PROTO(struct inode *inode), + + TP_ARGS(inode) +); + +DEFINE_EVENT(btrfs__inode, btrfs_inode_evict, + + TP_PROTO(struct inode *inode), + + TP_ARGS(inode) +); + +#define __show_map_type(type) \ + __print_symbolic(type, \ + { EXTENT_MAP_LAST_BYTE, "LAST_BYTE" }, \ + { EXTENT_MAP_HOLE, "HOLE" }, \ + { EXTENT_MAP_INLINE, "INLINE" }, \ + { EXTENT_MAP_DELALLOC, "DELALLOC" }) + +#define show_map_type(type) \ + type, (type >= EXTENT_MAP_LAST_BYTE) ? "-" : __show_map_type(type) + +#define show_map_flags(flag) \ + __print_flags(flag, "|", \ + { EXTENT_FLAG_PINNED, "PINNED" }, \ + { EXTENT_FLAG_COMPRESSED, "COMPRESSED" }, \ + { EXTENT_FLAG_VACANCY, "VACANCY" }, \ + { EXTENT_FLAG_PREALLOC, "PREALLOC" }) + +TRACE_EVENT(btrfs_get_extent, + + TP_PROTO(struct btrfs_root *root, struct extent_map *map), + + TP_ARGS(root, map), + + TP_STRUCT__entry( + __field( u64, root_objectid ) + __field( u64, start ) + __field( u64, len ) + __field( u64, orig_start ) + __field( u64, block_start ) + __field( u64, block_len ) + __field( unsigned long, flags ) + __field( int, refs ) + __field( unsigned int, compress_type ) + ), + + TP_fast_assign( + __entry->root_objectid = root->root_key.objectid; + __entry->start = map->start; + __entry->len = map->len; + __entry->orig_start = map->orig_start; + __entry->block_start = map->block_start; + __entry->block_len = map->block_len; + __entry->flags = map->flags; + __entry->refs = atomic_read(&map->refs); + __entry->compress_type = map->compress_type; + ), + + TP_printk("root = %llu(%s), start = %llu, len = %llu, " + "orig_start = %llu, block_start = %llu(%s), " + "block_len = %llu, flags = %s, refs = %u, " + "compress_type = %u", + show_root_type(__entry->root_objectid), + (unsigned long long)__entry->start, + (unsigned long long)__entry->len, + (unsigned long long)__entry->orig_start, + show_map_type(__entry->block_start), + (unsigned long long)__entry->block_len, + show_map_flags(__entry->flags), + __entry->refs, __entry->compress_type) +); + +#define show_ordered_flags(flags) \ + __print_symbolic(flags, \ + { BTRFS_ORDERED_IO_DONE, "IO_DONE" }, \ + { BTRFS_ORDERED_COMPLETE, "COMPLETE" }, \ + { BTRFS_ORDERED_NOCOW, "NOCOW" }, \ + { BTRFS_ORDERED_COMPRESSED, "COMPRESSED" }, \ + { BTRFS_ORDERED_PREALLOC, "PREALLOC" }, \ + { BTRFS_ORDERED_DIRECT, "DIRECT" }) + +DECLARE_EVENT_CLASS(btrfs__ordered_extent, + + TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered), + + TP_ARGS(inode, ordered), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( u64, file_offset ) + __field( u64, start ) + __field( u64, len ) + __field( u64, disk_len ) + __field( u64, bytes_left ) + __field( unsigned long, flags ) + __field( int, compress_type ) + __field( int, refs ) + __field( u64, root_objectid ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->file_offset = ordered->file_offset; + __entry->start = ordered->start; + __entry->len = ordered->len; + __entry->disk_len = ordered->disk_len; + __entry->bytes_left = ordered->bytes_left; + __entry->flags = ordered->flags; + __entry->compress_type = ordered->compress_type; + __entry->refs = atomic_read(&ordered->refs); + __entry->root_objectid = + BTRFS_I(inode)->root->root_key.objectid; + ), + + TP_printk("root = %llu(%s), ino = %llu, file_offset = %llu, " + "start = %llu, len = %llu, disk_len = %llu, " + "bytes_left = %llu, flags = %s, compress_type = %d, " + "refs = %d", + show_root_type(__entry->root_objectid), + (unsigned long long)__entry->ino, + (unsigned long long)__entry->file_offset, + (unsigned long long)__entry->start, + (unsigned long long)__entry->len, + (unsigned long long)__entry->disk_len, + (unsigned long long)__entry->bytes_left, + show_ordered_flags(__entry->flags), + __entry->compress_type, __entry->refs) +); + +DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_add, + + TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered), + + TP_ARGS(inode, ordered) +); + +DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_remove, + + TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered), + + TP_ARGS(inode, ordered) +); + +DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_start, + + TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered), + + TP_ARGS(inode, ordered) +); + +DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put, + + TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered), + + TP_ARGS(inode, ordered) +); + +DECLARE_EVENT_CLASS(btrfs__writepage, + + TP_PROTO(struct page *page, struct inode *inode, + struct writeback_control *wbc), + + TP_ARGS(page, inode, wbc), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( pgoff_t, index ) + __field( long, nr_to_write ) + __field( long, pages_skipped ) + __field( loff_t, range_start ) + __field( loff_t, range_end ) + __field( char, nonblocking ) + __field( char, for_kupdate ) + __field( char, for_reclaim ) + __field( char, range_cyclic ) + __field( pgoff_t, writeback_index ) + __field( u64, root_objectid ) + ), + + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->index = page->index; + __entry->nr_to_write = wbc->nr_to_write; + __entry->pages_skipped = wbc->pages_skipped; + __entry->range_start = wbc->range_start; + __entry->range_end = wbc->range_end; + __entry->nonblocking = wbc->nonblocking; + __entry->for_kupdate = wbc->for_kupdate; + __entry->for_reclaim = wbc->for_reclaim; + __entry->range_cyclic = wbc->range_cyclic; + __entry->writeback_index = inode->i_mapping->writeback_index; + __entry->root_objectid = + BTRFS_I(inode)->root->root_key.objectid; + ), + + TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, " + "nr_to_write = %ld, pages_skipped = %ld, range_start = %llu, " + "range_end = %llu, nonblocking = %d, for_kupdate = %d, " + "for_reclaim = %d, range_cyclic = %d, writeback_index = %lu", + show_root_type(__entry->root_objectid), + (unsigned long)__entry->ino, __entry->index, + __entry->nr_to_write, __entry->pages_skipped, + __entry->range_start, __entry->range_end, + __entry->nonblocking, __entry->for_kupdate, + __entry->for_reclaim, __entry->range_cyclic, + (unsigned long)__entry->writeback_index) +); + +DEFINE_EVENT(btrfs__writepage, __extent_writepage, + + TP_PROTO(struct page *page, struct inode *inode, + struct writeback_control *wbc), + + TP_ARGS(page, inode, wbc) +); + +TRACE_EVENT(btrfs_writepage_end_io_hook, + + TP_PROTO(struct page *page, u64 start, u64 end, int uptodate), + + TP_ARGS(page, start, end, uptodate), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( pgoff_t, index ) + __field( u64, start ) + __field( u64, end ) + __field( int, uptodate ) + __field( u64, root_objectid ) + ), + + TP_fast_assign( + __entry->ino = page->mapping->host->i_ino; + __entry->index = page->index; + __entry->start = start; + __entry->end = end; + __entry->uptodate = uptodate; + __entry->root_objectid = + BTRFS_I(page->mapping->host)->root->root_key.objectid; + ), + + TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, start = %llu, " + "end = %llu, uptodate = %d", + show_root_type(__entry->root_objectid), + (unsigned long)__entry->ino, (unsigned long)__entry->index, + (unsigned long long)__entry->start, + (unsigned long long)__entry->end, __entry->uptodate) +); + +TRACE_EVENT(btrfs_sync_file, + + TP_PROTO(struct file *file, int datasync), + + TP_ARGS(file, datasync), + + TP_STRUCT__entry( + __field( ino_t, ino ) + __field( ino_t, parent ) + __field( int, datasync ) + __field( u64, root_objectid ) + ), + + TP_fast_assign( + struct dentry *dentry = file->f_path.dentry; + struct inode *inode = dentry->d_inode; + + __entry->ino = inode->i_ino; + __entry->parent = dentry->d_parent->d_inode->i_ino; + __entry->datasync = datasync; + __entry->root_objectid = + BTRFS_I(inode)->root->root_key.objectid; + ), + + TP_printk("root = %llu(%s), ino = %ld, parent = %ld, datasync = %d", + show_root_type(__entry->root_objectid), + (unsigned long)__entry->ino, (unsigned long)__entry->parent, + __entry->datasync) +); + +TRACE_EVENT(btrfs_sync_fs, + + TP_PROTO(int wait), + + TP_ARGS(wait), + + TP_STRUCT__entry( + __field( int, wait ) + ), + + TP_fast_assign( + __entry->wait = wait; + ), + + TP_printk("wait = %d", __entry->wait) +); + +#define show_ref_action(action) \ + __print_symbolic(action, \ + { BTRFS_ADD_DELAYED_REF, "ADD_DELAYED_REF" }, \ + { BTRFS_DROP_DELAYED_REF, "DROP_DELAYED_REF" }, \ + { BTRFS_ADD_DELAYED_EXTENT, "ADD_DELAYED_EXTENT" }, \ + { BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" }) + + +TRACE_EVENT(btrfs_delayed_tree_ref, + + TP_PROTO(struct btrfs_delayed_ref_node *ref, + struct btrfs_delayed_tree_ref *full_ref, + int action), + + TP_ARGS(ref, full_ref, action), + + TP_STRUCT__entry( + __field( u64, bytenr ) + __field( u64, num_bytes ) + __field( int, action ) + __field( u64, parent ) + __field( u64, ref_root ) + __field( int, level ) + __field( int, type ) + ), + + TP_fast_assign( + __entry->bytenr = ref->bytenr; + __entry->num_bytes = ref->num_bytes; + __entry->action = action; + __entry->parent = full_ref->parent; + __entry->ref_root = full_ref->root; + __entry->level = full_ref->level; + __entry->type = ref->type; + ), + + TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, " + "parent = %llu(%s), ref_root = %llu(%s), level = %d, " + "type = %s", + (unsigned long long)__entry->bytenr, + (unsigned long long)__entry->num_bytes, + show_ref_action(__entry->action), + show_root_type(__entry->parent), + show_root_type(__entry->ref_root), + __entry->level, show_ref_type(__entry->type)) +); + +TRACE_EVENT(btrfs_delayed_data_ref, + + TP_PROTO(struct btrfs_delayed_ref_node *ref, + struct btrfs_delayed_data_ref *full_ref, + int action), + + TP_ARGS(ref, full_ref, action), + + TP_STRUCT__entry( + __field( u64, bytenr ) + __field( u64, num_bytes ) + __field( int, action ) + __field( u64, parent ) + __field( u64, ref_root ) + __field( u64, owner ) + __field( u64, offset ) + __field( int, type ) + ), + + TP_fast_assign( + __entry->bytenr = ref->bytenr; + __entry->num_bytes = ref->num_bytes; + __entry->action = action; + __entry->parent = full_ref->parent; + __entry->ref_root = full_ref->root; + __entry->owner = full_ref->objectid; + __entry->offset = full_ref->offset; + __entry->type = ref->type; + ), + + TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, " + "parent = %llu(%s), ref_root = %llu(%s), owner = %llu, " + "offset = %llu, type = %s", + (unsigned long long)__entry->bytenr, + (unsigned long long)__entry->num_bytes, + show_ref_action(__entry->action), + show_root_type(__entry->parent), + show_root_type(__entry->ref_root), + (unsigned long long)__entry->owner, + (unsigned long long)__entry->offset, + show_ref_type(__entry->type)) +); + +TRACE_EVENT(btrfs_delayed_ref_head, + + TP_PROTO(struct btrfs_delayed_ref_node *ref, + struct btrfs_delayed_ref_head *head_ref, + int action), + + TP_ARGS(ref, head_ref, action), + + TP_STRUCT__entry( + __field( u64, bytenr ) + __field( u64, num_bytes ) + __field( int, action ) + __field( int, is_data ) + ), + + TP_fast_assign( + __entry->bytenr = ref->bytenr; + __entry->num_bytes = ref->num_bytes; + __entry->action = action; + __entry->is_data = head_ref->is_data; + ), + + TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, is_data = %d", + (unsigned long long)__entry->bytenr, + (unsigned long long)__entry->num_bytes, + show_ref_action(__entry->action), + __entry->is_data) +); + +#define show_chunk_type(type) \ + __print_flags(type, "|", \ + { BTRFS_BLOCK_GROUP_DATA, "DATA" }, \ + { BTRFS_BLOCK_GROUP_SYSTEM, "SYSTEM"}, \ + { BTRFS_BLOCK_GROUP_METADATA, "METADATA"}, \ + { BTRFS_BLOCK_GROUP_RAID0, "RAID0" }, \ + { BTRFS_BLOCK_GROUP_RAID1, "RAID1" }, \ + { BTRFS_BLOCK_GROUP_DUP, "DUP" }, \ + { BTRFS_BLOCK_GROUP_RAID10, "RAID10"}) + +DECLARE_EVENT_CLASS(btrfs__chunk, + + TP_PROTO(struct btrfs_root *root, struct map_lookup *map, + u64 offset, u64 size), + + TP_ARGS(root, map, offset, size), + + TP_STRUCT__entry( + __field( int, num_stripes ) + __field( u64, type ) + __field( int, sub_stripes ) + __field( u64, offset ) + __field( u64, size ) + __field( u64, root_objectid ) + ), + + TP_fast_assign( + __entry->num_stripes = map->num_stripes; + __entry->type = map->type; + __entry->sub_stripes = map->sub_stripes; + __entry->offset = offset; + __entry->size = size; + __entry->root_objectid = root->root_key.objectid; + ), + + TP_printk("root = %llu(%s), offset = %llu, size = %llu, " + "num_stripes = %d, sub_stripes = %d, type = %s", + show_root_type(__entry->root_objectid), + (unsigned long long)__entry->offset, + (unsigned long long)__entry->size, + __entry->num_stripes, __entry->sub_stripes, + show_chunk_type(__entry->type)) +); + +DEFINE_EVENT(btrfs__chunk, btrfs_chunk_alloc, + + TP_PROTO(struct btrfs_root *root, struct map_lookup *map, + u64 offset, u64 size), + + TP_ARGS(root, map, offset, size) +); + +DEFINE_EVENT(btrfs__chunk, btrfs_chunk_free, + + TP_PROTO(struct btrfs_root *root, struct map_lookup *map, + u64 offset, u64 size), + + TP_ARGS(root, map, offset, size) +); + +TRACE_EVENT(btrfs_cow_block, + + TP_PROTO(struct btrfs_root *root, struct extent_buffer *buf, + struct extent_buffer *cow), + + TP_ARGS(root, buf, cow), + + TP_STRUCT__entry( + __field( u64, root_objectid ) + __field( u64, buf_start ) + __field( int, refs ) + __field( u64, cow_start ) + __field( int, buf_level ) + __field( int, cow_level ) + ), + + TP_fast_assign( + __entry->root_objectid = root->root_key.objectid; + __entry->buf_start = buf->start; + __entry->refs = atomic_read(&buf->refs); + __entry->cow_start = cow->start; + __entry->buf_level = btrfs_header_level(buf); + __entry->cow_level = btrfs_header_level(cow); + ), + + TP_printk("root = %llu(%s), refs = %d, orig_buf = %llu " + "(orig_level = %d), cow_buf = %llu (cow_level = %d)", + show_root_type(__entry->root_objectid), + __entry->refs, + (unsigned long long)__entry->buf_start, + __entry->buf_level, + (unsigned long long)__entry->cow_start, + __entry->cow_level) +); + +DECLARE_EVENT_CLASS(btrfs__reserved_extent, + + TP_PROTO(struct btrfs_root *root, u64 start, u64 len), + + TP_ARGS(root, start, len), + + TP_STRUCT__entry( + __field( u64, root_objectid ) + __field( u64, start ) + __field( u64, len ) + ), + + TP_fast_assign( + __entry->root_objectid = root->root_key.objectid; + __entry->start = start; + __entry->len = len; + ), + + TP_printk("root = %llu(%s), start = %llu, len = %llu", + show_root_type(__entry->root_objectid), + (unsigned long long)__entry->start, + (unsigned long long)__entry->len) +); + +DEFINE_EVENT(btrfs__reserved_extent, btrfs_reserved_extent_alloc, + + TP_PROTO(struct btrfs_root *root, u64 start, u64 len), + + TP_ARGS(root, start, len) +); + +DEFINE_EVENT(btrfs__reserved_extent, btrfs_reserved_extent_free, + + TP_PROTO(struct btrfs_root *root, u64 start, u64 len), + + TP_ARGS(root, start, len) +); + +#endif /* _TRACE_BTRFS_H */ + +/* This part must be outside protection */ +#include -- cgit v1.2.3 From d9c97833179036408e53ef5f3f5c7eaf781769bc Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 12 Apr 2011 10:06:33 +0200 Subject: block: remove block_unplug_timer() trace point We no longer have an unplug timer running, so no point in keeping the trace point. Signed-off-by: Jens Axboe --- include/trace/events/block.h | 14 -------------- 1 file changed, 14 deletions(-) (limited to 'include/trace/events') diff --git a/include/trace/events/block.h b/include/trace/events/block.h index 78f18adb49c..43a985390bb 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -418,20 +418,6 @@ DECLARE_EVENT_CLASS(block_unplug, TP_printk("[%s] %d", __entry->comm, __entry->nr_rq) ); -/** - * block_unplug_timer - timed release of operations requests in queue to device driver - * @q: request queue to unplug - * - * Unplug the request queue @q because a timer expired and allow block - * operation requests to be sent to the device driver. - */ -DEFINE_EVENT(block_unplug, block_unplug_timer, - - TP_PROTO(struct request_queue *q), - - TP_ARGS(q) -); - /** * block_unplug_io - release of operations requests in request queue * @q: request queue to unplug -- cgit v1.2.3 From 94b5eb28b41cc79d9713696e0005ae167b5afd1b Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 12 Apr 2011 10:12:19 +0200 Subject: block: fixup block IO unplug trace call It was removed with the on-stack plugging, readd it and track the depth of requests added when flushing the plug. Signed-off-by: Jens Axboe --- include/trace/events/block.h | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'include/trace/events') diff --git a/include/trace/events/block.h b/include/trace/events/block.h index 43a985390bb..006e60b5830 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -401,9 +401,9 @@ TRACE_EVENT(block_plug, DECLARE_EVENT_CLASS(block_unplug, - TP_PROTO(struct request_queue *q), + TP_PROTO(struct request_queue *q, unsigned int depth), - TP_ARGS(q), + TP_ARGS(q, depth), TP_STRUCT__entry( __field( int, nr_rq ) @@ -411,7 +411,7 @@ DECLARE_EVENT_CLASS(block_unplug, ), TP_fast_assign( - __entry->nr_rq = q->rq.count[READ] + q->rq.count[WRITE]; + __entry->nr_rq = depth; memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -421,15 +421,16 @@ DECLARE_EVENT_CLASS(block_unplug, /** * block_unplug_io - release of operations requests in request queue * @q: request queue to unplug + * @depth: number of requests just added to the queue * * Unplug request queue @q because device driver is scheduled to work * on elements in the request queue. */ DEFINE_EVENT(block_unplug, block_unplug_io, - TP_PROTO(struct request_queue *q), + TP_PROTO(struct request_queue *q, unsigned int depth), - TP_ARGS(q) + TP_ARGS(q, depth) ); /** -- cgit v1.2.3 From 49cac01e1fa74174d72adb0e872504a7fefd7c01 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Sat, 16 Apr 2011 13:51:05 +0200 Subject: block: make unplug timer trace event correspond to the schedule() unplug It's a pretty close match to what we had before - the timer triggering would mean that nobody unplugged the plug in due time, in the new scheme this matches very closely what the schedule() unplug now is. It's essentially the difference between an explicit unplug (IO unplug) or an implicit unplug (timer unplug, we scheduled with pending IO queued). Signed-off-by: Jens Axboe --- include/trace/events/block.h | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'include/trace/events') diff --git a/include/trace/events/block.h b/include/trace/events/block.h index 006e60b5830..bf366547da2 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -401,9 +401,9 @@ TRACE_EVENT(block_plug, DECLARE_EVENT_CLASS(block_unplug, - TP_PROTO(struct request_queue *q, unsigned int depth), + TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), - TP_ARGS(q, depth), + TP_ARGS(q, depth, explicit), TP_STRUCT__entry( __field( int, nr_rq ) @@ -419,18 +419,19 @@ DECLARE_EVENT_CLASS(block_unplug, ); /** - * block_unplug_io - release of operations requests in request queue + * block_unplug - release of operations requests in request queue * @q: request queue to unplug * @depth: number of requests just added to the queue + * @explicit: whether this was an explicit unplug, or one from schedule() * * Unplug request queue @q because device driver is scheduled to work * on elements in the request queue. */ -DEFINE_EVENT(block_unplug, block_unplug_io, +DEFINE_EVENT(block_unplug, block_unplug, - TP_PROTO(struct request_queue *q, unsigned int depth), + TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), - TP_ARGS(q, depth) + TP_ARGS(q, depth, explicit) ); /** -- cgit v1.2.3