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authorJoonsoo Kim2015-02-11 15:26:58 -0800
committerLinus Torvalds2015-02-11 17:06:04 -0800
commit4645f06334be1ad0eb61aa182c7999fe51bc1ba6 (patch)
tree73c9e3cf4c715e39da0537fa661a501f42e3d6bc
parent8d38633c3b4093aca7524945f1e9249d7d3a44da (diff)
mm/compaction: change tracepoint format from decimal to hexadecimal
To check the range that compaction is working, tracepoint print start/end pfn of zone and start pfn of both scanner with decimal format. Since we manage all pages in order of 2 and it is well represented by hexadecimal, this patch change the tracepoint format from decimal to hexadecimal. This would improve readability. For example, it makes us easily notice whether current scanner try to compact previously attempted pageblock or not. 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>
-rw-r--r--include/trace/events/compaction.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h
index c6814b917bdf..1337d9e01e3d 100644
--- a/include/trace/events/compaction.h
+++ b/include/trace/events/compaction.h
@@ -104,7 +104,7 @@ TRACE_EVENT(mm_compaction_begin,
__entry->zone_end = zone_end;
),
- TP_printk("zone_start=%lu migrate_start=%lu free_start=%lu zone_end=%lu",
+ TP_printk("zone_start=0x%lx migrate_start=0x%lx free_start=0x%lx zone_end=0x%lx",
__entry->zone_start,
__entry->migrate_start,
__entry->free_start,