Em Tue, Oct 07, 2014 at 09:10:46AM -0600, David Ahern escreveu:
> On 10/6/14, 10:13 AM, Alexander Yarygin wrote:
>
> >+static void print_record_help(void)
> >+{
> >+ fprintf(stderr, "\n usage: perf kvm stat record [<options>]\n\n");
> >+
> >+ fprintf(stderr, " -p, --pid <pid> record events on existing
> >process id\n");
> >+ fprintf(stderr, " -t, --tid <tid> record events on existing
> >thread id\n");
> >+ fprintf(stderr, " -r, --realtime <n> collect data with this RT
> >SCHED_FIFO priority\n");
> >+ fprintf(stderr, " --no-buffering collect data without
> >buffering\n");
> >+ fprintf(stderr, " -a, --all-cpus system-wide collection from
> >all CPUs\n");
> >+ fprintf(stderr, " -C, --cpu <cpu> list of cpus to monitor\n");
> >+ fprintf(stderr, " -c, --count <n> event period to sample\n");
> >+ fprintf(stderr, " -o, --output <file> output file name\n");
> >+ fprintf(stderr, " -i, --no-inherit child tasks do not inherit
> >counters\n");
> >+ fprintf(stderr, " -m, --mmap-pages <pages>\n");
> >+ fprintf(stderr, " number of mmap data pages\n");
> >+ fprintf(stderr, " -v, --verbose be more verbose (show counter
> >open errors, etc)\n");
> >+ fprintf(stderr, " -q, --quiet don't print any message\n");
> >+ fprintf(stderr, " -D, --delay <n> ms to wait before starting
> >measurement after program start\n");
> >+ fprintf(stderr, " -u, --uid <user> user to profile\n");
> >+ fprintf(stderr, " --per-thread use per-thread mmaps\n");
> >+
> >+ fprintf(stderr, "\nOtherwise, it is the alias of 'perf record:'\n");
> >+}
>
> Those are all perf-record options, not perf-kvm-stat-record options. This
> usage should not repeat perf-record.
Right, and from a quick look, the way Namhyung is tackling this problem
is better.
- Arnaldo
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