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authorLiam Mark <lmark@codeaurora.org>2021-05-05 04:37:25 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-05-05 21:27:24 +0300
commit7bc1aec5e28765ad18742824b3b972471807a632 (patch)
tree670c177be7f22d8a39849161863f0d7fe8263f52 /include/trace
parent63f83b31f4f36d933e13bd8b9a25d6d9a0cf89dd (diff)
downloadlinux-7bc1aec5e28765ad18742824b3b972471807a632.tar.xz
mm: cma: add trace events for CMA alloc perf testing
Add cma and migrate trace events to enable CMA allocation performance to be measured via ftrace. [georgi.djakov@linaro.org: add the CMA instance name to the cma_alloc_start trace event] Link: https://lkml.kernel.org/r/20210326155414.25006-1-georgi.djakov@linaro.org Link: https://lkml.kernel.org/r/20210324160740.15901-1-georgi.djakov@linaro.org Signed-off-by: Liam Mark <lmark@codeaurora.org> Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Acked-by: Minchan Kim <minchan@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/cma.h42
-rw-r--r--include/trace/events/migrate.h22
2 files changed, 63 insertions, 1 deletions
diff --git a/include/trace/events/cma.h b/include/trace/events/cma.h
index 5017a8829270..be1525a10457 100644
--- a/include/trace/events/cma.h
+++ b/include/trace/events/cma.h
@@ -8,7 +8,7 @@
#include <linux/types.h>
#include <linux/tracepoint.h>
-TRACE_EVENT(cma_alloc,
+DECLARE_EVENT_CLASS(cma_alloc_class,
TP_PROTO(unsigned long pfn, const struct page *page,
unsigned int count, unsigned int align),
@@ -61,6 +61,46 @@ TRACE_EVENT(cma_release,
__entry->count)
);
+TRACE_EVENT(cma_alloc_start,
+
+ TP_PROTO(const char *name, unsigned int count, unsigned int align),
+
+ TP_ARGS(name, count, align),
+
+ TP_STRUCT__entry(
+ __string(name, name)
+ __field(unsigned int, count)
+ __field(unsigned int, align)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, name);
+ __entry->count = count;
+ __entry->align = align;
+ ),
+
+ TP_printk("name=%s count=%u align=%u",
+ __get_str(name),
+ __entry->count,
+ __entry->align)
+);
+
+DEFINE_EVENT(cma_alloc_class, cma_alloc,
+
+ TP_PROTO(unsigned long pfn, const struct page *page,
+ unsigned int count, unsigned int align),
+
+ TP_ARGS(pfn, page, count, align)
+);
+
+DEFINE_EVENT(cma_alloc_class, cma_alloc_busy_retry,
+
+ TP_PROTO(unsigned long pfn, const struct page *page,
+ unsigned int count, unsigned int align),
+
+ TP_ARGS(pfn, page, count, align)
+);
+
#endif /* _TRACE_CMA_H */
/* This part must be outside protection */
diff --git a/include/trace/events/migrate.h b/include/trace/events/migrate.h
index 4d434398d64d..f2c990603888 100644
--- a/include/trace/events/migrate.h
+++ b/include/trace/events/migrate.h
@@ -81,6 +81,28 @@ TRACE_EVENT(mm_migrate_pages,
__print_symbolic(__entry->mode, MIGRATE_MODE),
__print_symbolic(__entry->reason, MIGRATE_REASON))
);
+
+TRACE_EVENT(mm_migrate_pages_start,
+
+ TP_PROTO(enum migrate_mode mode, int reason),
+
+ TP_ARGS(mode, reason),
+
+ TP_STRUCT__entry(
+ __field(enum migrate_mode, mode)
+ __field(int, reason)
+ ),
+
+ TP_fast_assign(
+ __entry->mode = mode;
+ __entry->reason = reason;
+ ),
+
+ TP_printk("mode=%s reason=%s",
+ __print_symbolic(__entry->mode, MIGRATE_MODE),
+ __print_symbolic(__entry->reason, MIGRATE_REASON))
+);
+
#endif /* _TRACE_MIGRATE_H */
/* This part must be outside protection */