diff options
| author | Liam Mark | 2021-05-04 18:37:25 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2021-05-05 11:27:24 -0700 |
| commit | 7bc1aec5e28765ad18742824b3b972471807a632 (patch) | |
| tree | 670c177be7f22d8a39849161863f0d7fe8263f52 /mm/migrate.c | |
| parent | 63f83b31f4f36d933e13bd8b9a25d6d9a0cf89dd (diff) | |
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 'mm/migrate.c')
| -rw-r--r-- | mm/migrate.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index 30c65c2be30b..6b37d00890ca 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1418,6 +1418,8 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page, int rc, nr_subpages; LIST_HEAD(ret_pages); + trace_mm_migrate_pages_start(mode, reason); + if (!swapwrite) current->flags |= PF_SWAPWRITE; |