mm: compaction: add trace event for fast freepages isolation

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The fast_isolate_freepages() can also isolate freepages, but we can not
know the fast isolation efficiency to understand the fast isolation
pressure.  So add a trace event to show some numbers to help to understand
the efficiency for fast freepages isolation.

Link: https://lkml.kernel.org/r/78d2932d0160d122c15372aceb3f2c45460a17fc.1685018752.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Baolin Wang 2023-05-25 20:54:00 +08:00 • committed by Andrew Morton

parent 8b71b499ff

commit 447ba88658

2 changed files with 16 additions and 1 deletions

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11

include/trace/events/compaction.h

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