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>
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@ -104,7 +104,7 @@ TRACE_EVENT(mm_compaction_begin,
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__entry->zone_end = zone_end;
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__entry->zone_end = zone_end;
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),
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),
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TP_printk("zone_start=%lu migrate_start=%lu free_start=%lu zone_end=%lu",
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TP_printk("zone_start=0x%lx migrate_start=0x%lx free_start=0x%lx zone_end=0x%lx",
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__entry->zone_start,
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__entry->zone_start,
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__entry->migrate_start,
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__entry->migrate_start,
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__entry->free_start,
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__entry->free_start,
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