perf tools: Add front-end and back-end stalled cycles support

Update perf tooling to deal with front-end and back-end stalled cycles events.

Add both the default 'perf stat' output.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/n/tip-7y40wib8n002io7hjpn1dsrm@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 1 deletions

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 406f613ee619..8b0eff8b8283 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -798,7 +798,6 @@ static struct {
         { "COUNT_HW_BRANCH_INSTRUCTIONS", PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
         { "COUNT_HW_BRANCH_MISSES",       PERF_COUNT_HW_BRANCH_MISSES },
         { "COUNT_HW_BUS_CYCLES",          PERF_COUNT_HW_BUS_CYCLES },
-        { "COUNT_HW_STALLED_CYCLES",      PERF_COUNT_HW_STALLED_CYCLES },
         { "COUNT_HW_CACHE_L1D",           PERF_COUNT_HW_CACHE_L1D },
         { "COUNT_HW_CACHE_L1I",           PERF_COUNT_HW_CACHE_L1I },
         { "COUNT_HW_CACHE_LL",            PERF_COUNT_HW_CACHE_LL },
@@ -811,6 +810,9 @@ static struct {
         { "COUNT_HW_CACHE_RESULT_ACCESS", PERF_COUNT_HW_CACHE_RESULT_ACCESS },
         { "COUNT_HW_CACHE_RESULT_MISS",   PERF_COUNT_HW_CACHE_RESULT_MISS },
 
+        { "COUNT_HW_STALLED_CYCLES_FRONTEND",     PERF_COUNT_HW_STALLED_CYCLES_FRONTEND },
+        { "COUNT_HW_STALLED_CYCLES_BACKEND",      PERF_COUNT_HW_STALLED_CYCLES_BACKEND },
+
         { "COUNT_SW_CPU_CLOCK",        PERF_COUNT_SW_CPU_CLOCK },
         { "COUNT_SW_TASK_CLOCK",       PERF_COUNT_SW_TASK_CLOCK },
         { "COUNT_SW_PAGE_FAULTS",      PERF_COUNT_SW_PAGE_FAULTS },