From 886605636e656afeb6fad5e83dbf36967f65cfa5 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Sat, 29 Oct 2011 12:41:45 -0200 Subject: perf report: Add progress bar when processing time ordered events So that for large perf.data files the user can have visual feedback that activity is being performed. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-3ysn01mpspfrbsy56gznzqqz@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/session.c | 9 +++++++++ tools/perf/util/session.h | 1 + 2 files changed, 10 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index da354fe5e08..85c1e6b76f0 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -502,6 +502,7 @@ static void flush_sample_queue(struct perf_session *s, struct perf_sample sample; u64 limit = os->next_flush; u64 last_ts = os->last_sample ? os->last_sample->timestamp : 0ULL; + unsigned idx = 0, progress_next = os->nr_samples / 16; int ret; if (!ops->ordered_samples || !limit) @@ -521,6 +522,11 @@ static void flush_sample_queue(struct perf_session *s, os->last_flush = iter->timestamp; list_del(&iter->list); list_add(&iter->list, &os->sample_cache); + if (++idx >= progress_next) { + progress_next += os->nr_samples / 16; + ui_progress__update(idx, os->nr_samples, + "Processing time ordered events..."); + } } if (list_empty(head)) { @@ -529,6 +535,8 @@ static void flush_sample_queue(struct perf_session *s, os->last_sample = list_entry(head->prev, struct sample_queue, list); } + + os->nr_samples = 0; } /* @@ -588,6 +596,7 @@ static void __queue_event(struct sample_queue *new, struct perf_session *s) u64 timestamp = new->timestamp; struct list_head *p; + ++os->nr_samples; os->last_sample = new; if (!sample) { diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 514b06d41f0..6e393c98eb3 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -23,6 +23,7 @@ struct ordered_samples { struct sample_queue *sample_buffer; struct sample_queue *last_sample; int sample_buffer_idx; + unsigned int nr_samples; }; struct perf_session { -- cgit v1.2.3