| Date | Wed, 24 Apr 2013 16:09:18 +0200 | From | Jiri Olsa <> | Subject | Re: [PATCH 05/14] perf tools: Introduce new 'ftrace' tool |
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On Tue, Apr 23, 2013 at 05:31:03PM +0900, Namhyung Kim wrote: > From: Namhyung Kim <namhyung.kim@lge.com> >
SNIP
> +out: > + put_tracing_file(file); > + return ret; > +} > + > +static int reset_tracing_files(struct perf_ftrace *ftrace __maybe_unused) > +{ > + if (write_tracing_file("tracing_on", "0") < 0) > + return -1; > + > + if (write_tracing_file("current_tracer", "nop") < 0) > + return -1; > + > + if (write_tracing_file("set_ftrace_pid", " ") < 0) > + return -1;
I think we want to reset set_ftrace_pid file as well probably to -1..
if I'm tracing command with this file having wrong CPU(s) I dont get any data..
jirka
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