Messages in this thread | | | Subject | Re: [PATCH 1/3] mm, compaction: export tracepoints status strings to userspace | From | Vlastimil Babka <> | Date | Mon, 31 Aug 2015 17:27:14 +0200 |
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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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