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| author | Liam Mark <lmark@codeaurora.org> | 2015-11-25 14:37:54 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 21:14:00 -0700 |
| commit | 5d871bae1b53964a507fe60874cefe8464eb9e02 (patch) | |
| tree | b92624b151959099646f45cd159a48635187f3bf /mm/migrate.c | |
| parent | ff76e3f64ed6d06ca53a81dbc42814aeecd14af2 (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.
Change-Id: I1e471e9e21f1a14ce2ed167d8515ccb5f83eb88c
Signed-off-by: Liam Mark <lmark@codeaurora.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 7890d0bb5e23..8fcf935c863e 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1132,6 +1132,8 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page, int swapwrite = current->flags & PF_SWAPWRITE; int rc; + trace_mm_migrate_pages_start(mode, reason); + if (!swapwrite) current->flags |= PF_SWAPWRITE; |