perf tools: Honour the cpu list parameter when also monitoring a thread list

The perf_evlist__create_maps was discarding the --cpu parameter when a
--pid or --tid was specified, fix that.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Link: http://lkml.kernel.org/r/20110426204401.GB1746@ghostprotocols.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 45da8d186b49..1884a7c7eb8f 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -348,7 +348,7 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
         if (evlist->threads == NULL)
                 return -1;
 
-        if (target_tid != -1)
+        if (cpu_list == NULL && target_tid != -1)
                 evlist->cpus = cpu_map__dummy_new();
         else
                 evlist->cpus = cpu_map__new(cpu_list);