diff options
| author | Yafang Shao <[email protected]> | 2019-05-13 17:17:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2019-05-14 09:47:46 -0700 |
| commit | 132bb8cfc9e081238e7e2fd0c37c8c75ad0d2963 (patch) | |
| tree | b09c82741dd92664b8816acf73978dbe67c9f6d3 /tools/perf/scripts/python | |
| parent | 5e65af19e89ac33dc83e1869c78b33ed7099469b (diff) | |
mm/vmscan: add tracepoints for node reclaim
The page alloc fast path it may perform node reclaim, which may cause a
latency spike. We should add tracepoint for this event, and also measure
the latency it causes.
So bellow two tracepoints are introduced,
mm_vmscan_node_reclaim_begin
mm_vmscan_node_reclaim_end
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Yafang Shao <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Souptick Joarder <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions