Messages in this thread |  | | From | Namhyung Kim <> | Subject | Re: [PATCH] perf tools: Allow multiple cpus record for -p option | Date | Tue, 05 Nov 2013 16:38:22 +0900 |
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On Fri, 1 Nov 2013 16:52:45 +0100, Jiri Olsa wrote: > Currently we don't create default CPU map for task related > target, like: > > $ perf record -p <pid> > > This makes record command to disable inherited events. > which is not desired behaviour (we have special option > for that (-i) anyway). > > Fixing this by creating default CPU map for task related > processes. > > Signed-off-by: Jiri Olsa <jolsa@redhat.com> > Cc: Adrian Hunter <adrian.hunter@intel.com> > Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> > Cc: David Ahern <dsahern@gmail.com> > Cc: Frederic Weisbecker <fweisbec@gmail.com> > Cc: Ingo Molnar <mingo@elte.hu> > Cc: Namhyung Kim <namhyung@kernel.org> > Cc: Paul Mackerras <paulus@samba.org> > Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> > Cc: Arnaldo Carvalho de Melo <acme@redhat.com> > --- > tools/perf/util/evlist.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c > index 0582f67..52bb127 100644 > --- a/tools/perf/util/evlist.c > +++ b/tools/perf/util/evlist.c > @@ -804,7 +804,7 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, > return -1; > > if (perf_target__has_task(target)) > - evlist->cpus = cpu_map__dummy_new(); > + evlist->cpus = cpu_map__new(target->cpu_list);
Just a side note, if the target has task, the cpu list should be NULL as task target has a precedence. Please see perf_target__validate().
But I'm fine with the change itself. :)
Thanks, Namhyung
> else if (!perf_target__has_cpu(target) && !target->uses_mmap) > evlist->cpus = cpu_map__dummy_new(); > else
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