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authorRob Clark <robdclark@chromium.org>2020-09-01 08:41:55 -0700
committerRob Clark <robdclark@chromium.org>2020-09-09 15:25:54 -0700
commitfdf38426cda6b5b3232f1fa470b5fa86734d7872 (patch)
tree9ac327c9bbf763ded4893f0f796fe2d82eac622f
parent74c0a69cc5bee0eb1f1cf740f7480095c4a94fe7 (diff)
drm/msm: Convert shrinker msgs to tracepoints
This reduces the spam in dmesg when we start hitting the shrinker, and replaces it with something we can put on a timeline while profiling or debugging system issues. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
-rw-r--r--drivers/gpu/drm/msm/msm_gem_shrinker.c5
-rw-r--r--drivers/gpu/drm/msm/msm_gpu_trace.h26
2 files changed, 29 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem_shrinker.c b/drivers/gpu/drm/msm/msm_gem_shrinker.c
index 722d61668a97..482576d7a39a 100644
--- a/drivers/gpu/drm/msm/msm_gem_shrinker.c
+++ b/drivers/gpu/drm/msm/msm_gem_shrinker.c
@@ -6,6 +6,7 @@
#include "msm_drv.h"
#include "msm_gem.h"
+#include "msm_gpu_trace.h"
static bool msm_gem_shrinker_lock(struct drm_device *dev, bool *unlock)
{
@@ -87,7 +88,7 @@ msm_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc)
mutex_unlock(&dev->struct_mutex);
if (freed > 0)
- pr_info_ratelimited("Purging %lu bytes\n", freed << PAGE_SHIFT);
+ trace_msm_gem_purge(freed << PAGE_SHIFT);
return freed;
}
@@ -123,7 +124,7 @@ msm_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr)
*(unsigned long *)ptr += unmapped;
if (unmapped > 0)
- pr_info_ratelimited("Purging %u vmaps\n", unmapped);
+ trace_msm_gem_purge_vmaps(unmapped);
return NOTIFY_DONE;
}
diff --git a/drivers/gpu/drm/msm/msm_gpu_trace.h b/drivers/gpu/drm/msm/msm_gpu_trace.h
index 07572ab179fa..1079fe551279 100644
--- a/drivers/gpu/drm/msm/msm_gpu_trace.h
+++ b/drivers/gpu/drm/msm/msm_gpu_trace.h
@@ -114,6 +114,32 @@ TRACE_EVENT(msm_gmu_freq_change,
TP_printk("freq=%u, perf_index=%u", __entry->freq, __entry->perf_index)
);
+
+TRACE_EVENT(msm_gem_purge,
+ TP_PROTO(u32 bytes),
+ TP_ARGS(bytes),
+ TP_STRUCT__entry(
+ __field(u32, bytes)
+ ),
+ TP_fast_assign(
+ __entry->bytes = bytes;
+ ),
+ TP_printk("Purging %u bytes", __entry->bytes)
+);
+
+
+TRACE_EVENT(msm_gem_purge_vmaps,
+ TP_PROTO(u32 unmapped),
+ TP_ARGS(unmapped),
+ TP_STRUCT__entry(
+ __field(u32, unmapped)
+ ),
+ TP_fast_assign(
+ __entry->unmapped = unmapped;
+ ),
+ TP_printk("Purging %u vmaps", __entry->unmapped)
+);
+
#endif
#undef TRACE_INCLUDE_PATH