perf pmu: Add a perf_pmu__fake object to use with __parse_events()

When wanting to use the support in __parse_events() for fake pmus, just
pass it.

Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 93fe72a..6d51042 100644 (file)
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -26,6 +26,8 @@
 #include "strbuf.h"
 #include "fncache.h"
 
+struct perf_pmu perf_pmu__fake;
+
 struct perf_pmu_format {
        char *name;
        int value;

diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index f971d9a..44ccbdb 100644 (file)
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -43,6 +43,8 @@ struct perf_pmu {
        struct list_head list;    /* ELEM */
 };
 
+extern struct perf_pmu perf_pmu__fake;
+
 struct perf_pmu_info {
        const char *unit;
        const char *metric_expr;