linux-stable/include/trace
Joonsoo Kim 24e2716f63 mm/compaction: add tracepoint to observe behaviour of compaction defer
Compaction deferring logic is heavy hammer that block the way to the
compaction.  It doesn't consider overall system state, so it could prevent
user from doing compaction falsely.  In other words, even if system has
enough range of memory to compact, compaction would be skipped due to
compaction deferring logic.  This patch add new tracepoint to understand
work of deferring logic.  This will also help to check compaction success
and fail.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@suse.de>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-11 17:06:04 -08:00
..
events mm/compaction: add tracepoint to observe behaviour of compaction defer 2015-02-11 17:06:04 -08:00
define_trace.h tracing: Add DEFINE_EVENT_FN() macro 2013-06-20 22:24:32 -07:00
ftrace.h perf: Avoid horrible stack usage 2015-01-14 15:11:45 +01:00
syscall.h tracing: Fix syscall_*regfunc() vs copy_process() race 2014-06-21 00:15:12 -04:00