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Re: [PATCH 1/3] mm, compaction: export tracepoints status strings to userspace

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On 08/31/2015 04:55 PM, Steven Rostedt wrote:
> On Thu, 27 Aug 2015 17:24:02 +0200
> Vlastimil Babka <vbabka@suse.cz> wrote:
>
>> 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
>>
>
> Reviewed-by: Steven Rostedt <rostedt@goodmis.org>

Thanks!

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[PATCH 1/3] mm, compaction: export tracepoints status strings to userspace Vlastimil Babka <vbabka@suse.cz> - 2015-08-27 17:30 +0200
  Re: [PATCH 1/3] mm, compaction: export tracepoints status strings  to userspace Steven Rostedt <rostedt@goodmis.org> - 2015-08-31 17:00 +0200
    Re: [PATCH 1/3] mm, compaction: export tracepoints status strings to  userspace Vlastimil Babka <vbabka@suse.cz> - 2015-08-31 17:30 +0200

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