diff options
Diffstat (limited to 'driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_jd_debugfs.c')
-rwxr-xr-x | driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_jd_debugfs.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_jd_debugfs.c b/driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_jd_debugfs.c new file mode 100755 index 0000000..47ea426 --- /dev/null +++ b/driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_jd_debugfs.c @@ -0,0 +1,236 @@ +/* + * + * (C) COPYRIGHT 2014-2016 ARM Limited. All rights reserved. + * + * This program is free software and is provided to you under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation, and any use by you of this program is subject to the terms + * of such GNU licence. + * + * A copy of the licence is included with the program, and can also be obtained + * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + + + +#include <linux/seq_file.h> + +#include <mali_kbase.h> + +#include <mali_kbase_jd_debugfs.h> +#include <mali_kbase_dma_fence.h> + +#ifdef CONFIG_DEBUG_FS + +struct kbase_jd_debugfs_depinfo { + u8 id; + char type; +}; + +#ifdef CONFIG_SYNC +#include <mali_kbase_sync.h> +#include "sync.h" +#endif /* CONFIG_SYNC */ + + +static void kbase_jd_debugfs_fence_info(struct kbase_jd_atom *atom, + struct seq_file *sfile) +{ +#ifdef CONFIG_SYNC + struct sync_fence *fence = atom->fence; + int status; + + switch (atom->core_req & BASE_JD_REQ_SOFT_JOB_TYPE) { + case BASE_JD_REQ_SOFT_FENCE_TRIGGER: + if (!fence) + break; + + status = kbase_fence_get_status(fence); + + seq_printf(sfile, "Sa([%p]%d) ", + fence, status); + break; + case BASE_JD_REQ_SOFT_FENCE_WAIT: + if (!fence) + break; + + status = kbase_fence_get_status(fence); + + seq_printf(sfile, "Wa([%p]%d) ", + fence, status); + break; + default: + break; + } +#endif /* CONFIG_SYNC */ + +#ifdef CONFIG_MALI_DMA_FENCE + if (atom->core_req & BASE_JD_REQ_EXTERNAL_RESOURCES) { + struct kbase_dma_fence_cb *cb; + + if (atom->dma_fence.fence) { + struct fence *fence = atom->dma_fence.fence; + + seq_printf(sfile, +#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 8, 0)) + "Sd(%u#%u: %s) ", +#else + "Sd(%llu#%u: %s) ", +#endif + fence->context, + fence->seqno, + fence_is_signaled(fence) ? + "signaled" : "active"); + } + + list_for_each_entry(cb, &atom->dma_fence.callbacks, + node) { + struct fence *fence = cb->fence; + + seq_printf(sfile, +#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 8, 0)) + "Wd(%u#%u: %s) ", +#else + "Wd(%llu#%u: %s) ", +#endif + fence->context, + fence->seqno, + fence_is_signaled(fence) ? + "signaled" : "active"); + } + } +#endif /* CONFIG_MALI_DMA_FENCE */ + +} + +static void kbasep_jd_debugfs_atom_deps( + struct kbase_jd_debugfs_depinfo *deps, + struct kbase_jd_atom *atom) +{ + struct kbase_context *kctx = atom->kctx; + int i; + + for (i = 0; i < 2; i++) { + deps[i].id = (unsigned)(atom->dep[i].atom ? + kbase_jd_atom_id(kctx, atom->dep[i].atom) : 0); + + switch (atom->dep[i].dep_type) { + case BASE_JD_DEP_TYPE_INVALID: + deps[i].type = ' '; + break; + case BASE_JD_DEP_TYPE_DATA: + deps[i].type = 'D'; + break; + case BASE_JD_DEP_TYPE_ORDER: + deps[i].type = '>'; + break; + default: + deps[i].type = '?'; + break; + } + } +} +/** + * kbasep_jd_debugfs_atoms_show - Show callback for the JD atoms debugfs file. + * @sfile: The debugfs entry + * @data: Data associated with the entry + * + * This function is called to get the contents of the JD atoms debugfs file. + * This is a report of all atoms managed by kbase_jd_context.atoms + * + * Return: 0 if successfully prints data in debugfs entry file, failure + * otherwise + */ +static int kbasep_jd_debugfs_atoms_show(struct seq_file *sfile, void *data) +{ + struct kbase_context *kctx = sfile->private; + struct kbase_jd_atom *atoms; + unsigned long irq_flags; + int i; + + KBASE_DEBUG_ASSERT(kctx != NULL); + + /* Print version */ + seq_printf(sfile, "v%u\n", MALI_JD_DEBUGFS_VERSION); + + /* Print U/K API version */ + seq_printf(sfile, "ukv%u.%u\n", BASE_UK_VERSION_MAJOR, + BASE_UK_VERSION_MINOR); + + /* Print table heading */ + seq_puts(sfile, " ID, Core req, St, CR, Predeps, Start time, Additional info...\n"); + + atoms = kctx->jctx.atoms; + /* General atom states */ + mutex_lock(&kctx->jctx.lock); + /* JS-related states */ + spin_lock_irqsave(&kctx->kbdev->hwaccess_lock, irq_flags); + for (i = 0; i != BASE_JD_ATOM_COUNT; ++i) { + struct kbase_jd_atom *atom = &atoms[i]; + s64 start_timestamp = 0; + struct kbase_jd_debugfs_depinfo deps[2]; + + if (atom->status == KBASE_JD_ATOM_STATE_UNUSED) + continue; + + /* start_timestamp is cleared as soon as the atom leaves UNUSED state + * and set before a job is submitted to the h/w, a non-zero value means + * it is valid */ + if (ktime_to_ns(atom->start_timestamp)) + start_timestamp = ktime_to_ns( + ktime_sub(ktime_get(), atom->start_timestamp)); + + kbasep_jd_debugfs_atom_deps(deps, atom); + + seq_printf(sfile, + "%3u, %8x, %2u, %2u, %c%3u %c%3u, %20lld, ", + i, atom->core_req, atom->status, + atom->coreref_state, + deps[0].type, deps[0].id, + deps[1].type, deps[1].id, + start_timestamp); + + + kbase_jd_debugfs_fence_info(atom, sfile); + + seq_puts(sfile, "\n"); + } + spin_unlock_irqrestore(&kctx->kbdev->hwaccess_lock, irq_flags); + mutex_unlock(&kctx->jctx.lock); + + return 0; +} + + +/** + * kbasep_jd_debugfs_atoms_open - open operation for atom debugfs file + * @in: &struct inode pointer + * @file: &struct file pointer + * + * Return: file descriptor + */ +static int kbasep_jd_debugfs_atoms_open(struct inode *in, struct file *file) +{ + return single_open(file, kbasep_jd_debugfs_atoms_show, in->i_private); +} + +static const struct file_operations kbasep_jd_debugfs_atoms_fops = { + .open = kbasep_jd_debugfs_atoms_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +void kbasep_jd_debugfs_ctx_init(struct kbase_context *kctx) +{ + KBASE_DEBUG_ASSERT(kctx != NULL); + + /* Expose all atoms */ + debugfs_create_file("atoms", S_IRUGO, kctx->kctx_dentry, kctx, + &kbasep_jd_debugfs_atoms_fops); + +} + +#endif /* CONFIG_DEBUG_FS */ |