Check for cpu_map__dummy_new() or cpu_map__new() to be called in
perf_evlist__create_maps() is more complicated. This patch moves
the checking work into target.h, combining two conditions and making
perf_evlist__create_maps() more readable.

Signed-off-by: Dongsheng Yang <yangds.f...@cn.fujitsu.com>
---
 tools/perf/util/evlist.c |  8 +-------
 tools/perf/util/target.h | 13 +++++++++++++
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 76fa764..7bb6ee1 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -819,13 +819,7 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, 
struct target *target)
        if (evlist->threads == NULL)
                return -1;
 
-       if (target->default_per_cpu)
-               evlist->cpus = target->per_thread ?
-                                       cpu_map__dummy_new() :
-                                       cpu_map__new(target->cpu_list);
-       else if (target__has_task(target))
-               evlist->cpus = cpu_map__dummy_new();
-       else if (!target__has_cpu(target) && !target->uses_mmap)
+       if (target__uses_dummy_map(target))
                evlist->cpus = cpu_map__dummy_new();
        else
                evlist->cpus = cpu_map__new(target->cpu_list);
diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h
index 31dd2e9..7381b1c 100644
--- a/tools/perf/util/target.h
+++ b/tools/perf/util/target.h
@@ -63,4 +63,17 @@ static inline bool target__none(struct target *target)
        return !target__has_task(target) && !target__has_cpu(target);
 }
 
+static inline bool target__uses_dummy_map(struct target *target)
+{
+       bool use_dummy = false;
+
+       if (target->default_per_cpu)
+               use_dummy = target->per_thread ? true : false;
+       else if (target__has_task(target) ||
+                (!target__has_cpu(target) && !target->uses_mmap))
+               use_dummy = true;
+
+       return use_dummy;
+}
+
 #endif /* _PERF_TARGET_H */
-- 
1.8.2.1

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