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authorVlastimil Babka <vbabka@suse.cz>2015-11-06 05:47:56 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-06 06:34:48 +0300
commitfa6c7b46aaa0cc00846703e8c0ec1e1636ff25ba (patch)
treef138e6d6d1c8b3a9957f73ef437416cd383cfcd7 /mm/compaction.c
parent840807a8f40bb25a8df5b6412bba6bc156643be5 (diff)
downloadlinux-fa6c7b46aaa0cc00846703e8c0ec1e1636ff25ba.tar.xz
mm, compaction: export tracepoints status strings to userspace
Some compaction tracepoints convert the integer return values to strings using the compaction_status_string array. This works for in-kernel printing, but not userspace trace printing of raw captured trace such as via trace-cmd report. This patch converts the private array to appropriate tracepoint macros that result in proper userspace support. trace-cmd output before: transhuge-stres-4235 [000] 453.149280: mm_compaction_finished: node=0 zone=ffffffff81815d7a order=9 ret= after: transhuge-stres-4235 [000] 453.149280: mm_compaction_finished: node=0 zone=ffffffff81815d7a order=9 ret=partial Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Ingo Molnar <mingo@redhat.com> 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>
Diffstat (limited to 'mm/compaction.c')
-rw-r--r--mm/compaction.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index a8e659398fdf..a5849c442a57 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -35,17 +35,6 @@ static inline void count_compact_events(enum vm_event_item item, long delta)
#endif
#if defined CONFIG_COMPACTION || defined CONFIG_CMA
-#ifdef CONFIG_TRACEPOINTS
-static const char *const compaction_status_string[] = {
- "deferred",
- "skipped",
- "continue",
- "partial",
- "complete",
- "no_suitable_page",
- "not_suitable_zone",
-};
-#endif
#define CREATE_TRACE_POINTS
#include <trace/events/compaction.h>