perf target: Consolidate target task/cpu checking

There are places that check whether target task/cpu is given or not and
some of them didn't check newly introduced uid or cpu list. Add and use
three of helper functions to treat them properly.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1336367344-28071-7-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h
index 6fcd01c440a9..127cff3f8ced 100644
--- a/tools/perf/util/target.h
+++ b/tools/perf/util/target.h
@@ -46,4 +46,19 @@ enum perf_target_errno perf_target__parse_uid(struct perf_target *target);
 int perf_target__strerror(struct perf_target *target, int errnum, char *buf,
                           size_t buflen);
 
+static inline bool perf_target__no_task(struct perf_target *target)
+{
+        return !target->pid && !target->tid && !target->uid_str;
+}
+
+static inline bool perf_target__no_cpu(struct perf_target *target)
+{
+        return !target->system_wide && !target->cpu_list;
+}
+
+static inline bool perf_target__none(struct perf_target *target)
+{
+        return perf_target__no_task(target) && perf_target__no_cpu(target);
+}
+
 #endif /* _PERF_TARGET_H */