Messages in this thread | | | Date | Wed, 11 Feb 2015 08:27:17 -0700 | From | David Ahern <> | Subject | Re: [PATCH 3/4] perf inject: add jitdump mmap injection support |
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On 2/10/15 4:42 PM, Stephane Eranian wrote: > diff --git a/tools/perf/Documentation/perf-inject.txt b/tools/perf/Documentation/perf-inject.txt > index dc7442c..237f195 100644 > --- a/tools/perf/Documentation/perf-inject.txt > +++ b/tools/perf/Documentation/perf-inject.txt > @@ -40,6 +40,17 @@ OPTIONS > Merge sched_stat and sched_switch for getting events where and how long > tasks slept. sched_switch contains a callchain where a task slept and > sched_stat contains a timeslice how long a task slept. > +-j:: > +--jit:: > + Merge a jitdump file into the perf.data file by adding mmap records to > + cover jitted code and emit ELF images for each jitted function. The ELF > + images are saved in the same directory as the jidump. Use -E to suppress > + ELF images generation. > +-E:: > +--jit-disable-elf:: > + When used with -, it prevents creating the ELF images for each jitted > + function. Only the jitted code mmap records are injected into the perf.data > + file. Option as no effect when -j is not used.
s/as/has/. But it would better to avoid the double negative. Maye something like this instead:
This option requires -j|--jit.
David
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