Messages in this thread | | | Date | Fri, 9 Aug 2013 12:30:36 +0200 | From | Jiri Olsa <> | Subject | Re: [PATCHSET 00/17] perf tools: Introduce new 'ftrace' command (v4) |
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On Fri, Aug 09, 2013 at 12:25:15PM +0200, Jiri Olsa wrote: > On Tue, Jul 30, 2013 at 06:18:57PM +0900, Namhyung Kim wrote: > > This patchset implements a front-end tool for kernel's ftrace. It > > uses function_graph tracer by default and normal function tracer is > > also supported. (Of course you need to enable those tracers in your > > kernel first.) > > > > v4 changes: > > * use pid instead of tid for -p option (David) > > * not to poll() for reading ftrace pipes (Jiri) > > * rename to create_perf_header() (Jiri) > > * canonicalize directory name (Jiri) > > * show more info when -D option was given (Jiri) > > * update documentation (Jiri) > > * and few more bug fixes > > > > I pushed it out to 'perf/ftrace-v4' branch on my tree at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git > > also, this one works now: > > ./perf --no-pager ftrace live -t function -p `pgrep yes` > > but if I kill 'yes' perf live commands hangs, > I'd expect it'd stop
on the other hand it looks like it's common behaviour for standard record/stat... ;-)
jirka
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