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Date: Sat, 14 Mar 2015 00:05:58 -0700
From: tip-bot for Andi Kleen <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: tglx@...utronix.de, acme@...hat.com, mingo@...nel.org,
ak@...ux.intel.com, hpa@...or.com, linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf stat: Fix IPC and other formulas with -A
Commit-ID: 56f0fd45d8df51542930b9b2e1acee5034b53479
Gitweb: http://git.kernel.org/tip/56f0fd45d8df51542930b9b2e1acee5034b53479
Author: Andi Kleen <ak@...ux.intel.com>
AuthorDate: Wed, 11 Mar 2015 08:28:01 -0700
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 13 Mar 2015 07:46:10 -0300
perf stat: Fix IPC and other formulas with -A
perf stat didn't compute the IPC and other formulas for individual CPUs
with -A. Fix this for the easy -A case. As before, --per-core and
--per-socket do not handle it, they simply print nothing.
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
Link: http://lkml.kernel.org/r/1426087682-22765-2-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/builtin-stat.c | 36 +++++++++++++++++++-----------------
1 file changed, 19 insertions(+), 17 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index d58e50c..c95dbda 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -353,39 +353,40 @@ static struct perf_evsel *nth_evsel(int n)
* more semantic information such as miss/hit ratios,
* instruction rates, etc:
*/
-static void update_shadow_stats(struct perf_evsel *counter, u64 *count)
+static void update_shadow_stats(struct perf_evsel *counter, u64 *count,
+ int cpu)
{
if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
- update_stats(&runtime_nsecs_stats[0], count[0]);
+ update_stats(&runtime_nsecs_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
- update_stats(&runtime_cycles_stats[0], count[0]);
+ update_stats(&runtime_cycles_stats[cpu], count[0]);
else if (transaction_run &&
perf_evsel__cmp(counter, nth_evsel(T_CYCLES_IN_TX)))
- update_stats(&runtime_cycles_in_tx_stats[0], count[0]);
+ update_stats(&runtime_cycles_in_tx_stats[cpu], count[0]);
else if (transaction_run &&
perf_evsel__cmp(counter, nth_evsel(T_TRANSACTION_START)))
- update_stats(&runtime_transaction_stats[0], count[0]);
+ update_stats(&runtime_transaction_stats[cpu], count[0]);
else if (transaction_run &&
perf_evsel__cmp(counter, nth_evsel(T_ELISION_START)))
- update_stats(&runtime_elision_stats[0], count[0]);
+ update_stats(&runtime_elision_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
- update_stats(&runtime_stalled_cycles_front_stats[0], count[0]);
+ update_stats(&runtime_stalled_cycles_front_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND))
- update_stats(&runtime_stalled_cycles_back_stats[0], count[0]);
+ update_stats(&runtime_stalled_cycles_back_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
- update_stats(&runtime_branches_stats[0], count[0]);
+ update_stats(&runtime_branches_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
- update_stats(&runtime_cacherefs_stats[0], count[0]);
+ update_stats(&runtime_cacherefs_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
- update_stats(&runtime_l1_dcache_stats[0], count[0]);
+ update_stats(&runtime_l1_dcache_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
- update_stats(&runtime_l1_icache_stats[0], count[0]);
+ update_stats(&runtime_l1_icache_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL))
- update_stats(&runtime_ll_cache_stats[0], count[0]);
+ update_stats(&runtime_ll_cache_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
- update_stats(&runtime_dtlb_cache_stats[0], count[0]);
+ update_stats(&runtime_dtlb_cache_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
- update_stats(&runtime_itlb_cache_stats[0], count[0]);
+ update_stats(&runtime_itlb_cache_stats[cpu], count[0]);
}
static void zero_per_pkg(struct perf_evsel *counter)
@@ -447,7 +448,8 @@ static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused,
perf_evsel__compute_deltas(evsel, cpu, count);
perf_counts_values__scale(count, scale, NULL);
evsel->counts->cpu[cpu] = *count;
- update_shadow_stats(evsel, count->values);
+ if (aggr_mode == AGGR_NONE)
+ update_shadow_stats(evsel, count->values, cpu);
break;
case AGGR_GLOBAL:
aggr->val += count->val;
@@ -495,7 +497,7 @@ static int read_counter_aggr(struct perf_evsel *counter)
/*
* Save the full runtime - to allow normalization during printout:
*/
- update_shadow_stats(counter, count);
+ update_shadow_stats(counter, count, 0);
return 0;
}
--
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