perf: Add support for PERF_HW_COUNT_REF_CPU_CYCLES

Add new generic hw event: ref-cycles, which maps to
PERF_HW_COUNT_REF_CPUCYCLES:

 $ perf stat -e ref-cycles ls

Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1323559734-3488-5-git-send-email-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 0 deletions

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 586ab3fe60f8..531c283fc0c5 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -38,6 +38,7 @@ static struct event_symbol event_symbols[] = {
   { CHW(BRANCH_INSTRUCTIONS),           "branch-instructions",          "branches"              },
   { CHW(BRANCH_MISSES),                 "branch-misses",                ""                      },
   { CHW(BUS_CYCLES),                    "bus-cycles",                   ""                      },
+  { CHW(REF_CPU_CYCLES),                "ref-cycles",                   ""                      },
 
   { CSW(CPU_CLOCK),                     "cpu-clock",                    ""                      },
   { CSW(TASK_CLOCK),                    "task-clock",                   ""                      },
@@ -68,6 +69,7 @@ static const char *hw_event_names[PERF_COUNT_HW_MAX] = {
         "bus-cycles",
         "stalled-cycles-frontend",
         "stalled-cycles-backend",
+        "ref-cycles",
 };
 
 static const char *sw_event_names[PERF_COUNT_SW_MAX] = {