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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>
This commit is contained in:
Joonsoo Kim 2015-02-11 15:26:58 -08:00 committed by Linus Torvalds
parent 8d38633c3b
commit 4645f06334
1 changed files with 1 additions and 1 deletions
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2
include/trace/events/compaction.h
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@ -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,