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| author |   Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2015-02-11 15:27:04 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-11 17:06:04 -0800 |
| commit | e34d85f0e3c60f7226e5589898b7c7c5cd2a4f02 (patch) | |
| tree | 84b0daa5ee68e08134f6309a45f7106c463decbd /include/trace | |
| parent | mm/compaction: enhance tracepoint output for compaction begin/end (diff) | |
| download | linux-dev-e34d85f0e3c60f7226e5589898b7c7c5cd2a4f02.tar.xz linux-dev-e34d85f0e3c60f7226e5589898b7c7c5cd2a4f02.zip | |
mm/compaction: print current range where compaction work
It'd be useful to know current range where compaction work for detailed
analysis. With it, we can know pageblock where we actually scan and
isolate, and, how much pages we try in that pageblock and can guess why it
doesn't become freepage with pageblock order roughly.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: 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>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/compaction.h | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h index 839f6fac921a..139020b55612 100644 --- a/include/trace/events/compaction.h +++ b/include/trace/events/compaction.h @@ -11,39 +11,55 @@ DECLARE_EVENT_CLASS(mm_compaction_isolate_template, - TP_PROTO(unsigned long nr_scanned, + TP_PROTO( + unsigned long start_pfn, + unsigned long end_pfn, + unsigned long nr_scanned, unsigned long nr_taken), - TP_ARGS(nr_scanned, nr_taken), + TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken), TP_STRUCT__entry( + __field(unsigned long, start_pfn) + __field(unsigned long, end_pfn) __field(unsigned long, nr_scanned) __field(unsigned long, nr_taken) ), TP_fast_assign( + __entry->start_pfn = start_pfn; + __entry->end_pfn = end_pfn; __entry->nr_scanned = nr_scanned; __entry->nr_taken = nr_taken; ), - TP_printk("nr_scanned=%lu nr_taken=%lu", + TP_printk("range=(0x%lx ~ 0x%lx) nr_scanned=%lu nr_taken=%lu", + __entry->start_pfn, + __entry->end_pfn, __entry->nr_scanned, __entry->nr_taken) ); DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages, - TP_PROTO(unsigned long nr_scanned, + TP_PROTO( + unsigned long start_pfn, + unsigned long end_pfn, + unsigned long nr_scanned, unsigned long nr_taken), - TP_ARGS(nr_scanned, nr_taken) + TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken) ); DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages, - TP_PROTO(unsigned long nr_scanned, + + TP_PROTO( + unsigned long start_pfn, + unsigned long end_pfn, + unsigned long nr_scanned, unsigned long nr_taken), - TP_ARGS(nr_scanned, nr_taken) + TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken) ); TRACE_EVENT(mm_compaction_migratepages, |