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Date: Tue, 2 Jun 2015 00:59:56 +0200
From: Jiri Olsa <jolsa@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: lkml <linux-kernel@...r.kernel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Paul Mackerras <paulus@...ba.org>,
David Ahern <dsahern@...il.com>,
Namhyung Kim <namhyung@...nel.org>,
Ingo Molnar <mingo@...nel.org>,
Andi Kleen <ak@...ux.intel.com>,
Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 2/9] perf stat: Replace transaction event check with nameid
Using nameids to check for transaction events,
instead of current possition based way.
Link: http://lkml.kernel.org/n/tip-ewc81hslqwhaljvlock51zyv@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
tools/perf/builtin-stat.c | 55 ++++++-----------------------------------------
tools/perf/util/evsel.c | 6 +++++-
tools/perf/util/evsel.h | 4 ++++
3 files changed, 16 insertions(+), 49 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index fd577f725d23..1f9269419b01 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -96,17 +96,6 @@ static const char * const transaction_limited_attrs[] = {
"}"
};
-/* must match transaction_attrs and the beginning limited_attrs */
-enum {
- T_TASK_CLOCK,
- T_INSTRUCTIONS,
- T_CYCLES,
- T_CYCLES_IN_TX,
- T_TRANSACTION_START,
- T_ELISION_START,
- T_CYCLES_IN_TX_CP,
-};
-
static struct perf_evlist *evsel_list;
static struct target target = {
@@ -354,29 +343,6 @@ static inline int nsec_counter(struct perf_evsel *evsel)
return 0;
}
-static struct perf_evsel *nth_evsel(int n)
-{
- static struct perf_evsel **array;
- static int array_len;
- struct perf_evsel *ev;
- int j;
-
- /* Assumes this only called when evsel_list does not change anymore. */
- if (!array) {
- evlist__for_each(evsel_list, ev)
- array_len++;
- array = malloc(array_len * sizeof(void *));
- if (!array)
- exit(ENOMEM);
- j = 0;
- evlist__for_each(evsel_list, ev)
- array[j++] = ev;
- }
- if (n < array_len)
- return array[n];
- return NULL;
-}
-
/*
* Update various tracking values we maintain to print
* more semantic information such as miss/hit ratios,
@@ -391,14 +357,11 @@ static void update_shadow_stats(struct perf_evsel *counter, u64 *count,
update_stats(&runtime_nsecs_stats[cpu], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
update_stats(&runtime_cycles_stats[ctx][cpu], count[0]);
- else if (transaction_run &&
- perf_evsel__cmp(counter, nth_evsel(T_CYCLES_IN_TX)))
+ else if (transaction_run && perf_evsel__is(counter, CYCLES_IN_TX))
update_stats(&runtime_transaction_stats[ctx][cpu], count[0]);
- else if (transaction_run &&
- perf_evsel__cmp(counter, nth_evsel(T_TRANSACTION_START)))
+ else if (transaction_run && perf_evsel__is(counter, TRANSACTION_START))
update_stats(&runtime_transaction_stats[ctx][cpu], count[0]);
- else if (transaction_run &&
- perf_evsel__cmp(counter, nth_evsel(T_ELISION_START)))
+ else if (transaction_run && perf_evsel__is(counter, ELISION_START))
update_stats(&runtime_elision_stats[ctx][cpu], count[0]);
else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
update_stats(&runtime_stalled_cycles_front_stats[ctx][cpu], count[0]);
@@ -1209,15 +1172,13 @@ static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
} else {
fprintf(output, " ");
}
- } else if (transaction_run &&
- perf_evsel__cmp(evsel, nth_evsel(T_CYCLES_IN_TX))) {
+ } else if (transaction_run && perf_evsel__is(evsel, CYCLES_IN_TX)) {
total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
if (total)
fprintf(output,
" # %5.2f%% transactional cycles ",
100.0 * (avg / total));
- } else if (transaction_run &&
- perf_evsel__cmp(evsel, nth_evsel(T_CYCLES_IN_TX_CP))) {
+ } else if (transaction_run && perf_evsel__is(evsel, CYCLES_IN_TX_CP)) {
total = avg_stats(&runtime_cycles_stats[ctx][cpu]);
total2 = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
if (total2 < avg)
@@ -1226,8 +1187,7 @@ static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
fprintf(output,
" # %5.2f%% aborted cycles ",
100.0 * ((total2-avg) / total));
- } else if (transaction_run &&
- perf_evsel__cmp(evsel, nth_evsel(T_TRANSACTION_START)) &&
+ } else if (transaction_run && perf_evsel__is(evsel, TRANSACTION_START) &&
avg > 0 &&
runtime_cycles_in_tx_stats[ctx][cpu].n != 0) {
total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
@@ -1236,8 +1196,7 @@ static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
ratio = total / avg;
fprintf(output, " # %8.0f cycles / transaction ", ratio);
- } else if (transaction_run &&
- perf_evsel__cmp(evsel, nth_evsel(T_ELISION_START)) &&
+ } else if (transaction_run && perf_evsel__is(evsel, ELISION_START) &&
avg > 0 &&
runtime_cycles_in_tx_stats[ctx][cpu].n != 0) {
total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]);
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 9e057319933d..13a033f5e99e 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -82,7 +82,11 @@ set_methods:
#define ID(id, name) [PERF_EVSEL_NAMEID__##id] = #name
static const char *nameid_str[PERF_EVSEL_NAMEID__MAX] = {
- ID(NONE, x),
+ ID(NONE, x),
+ ID(CYCLES_IN_TX, cpu/cycles-t/),
+ ID(TRANSACTION_START, cpu/tx-start/),
+ ID(ELISION_START, cpu/el-start/),
+ ID(CYCLES_IN_TX_CP, cpu/cycles-ct/),
};
#undef ID
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index f89f34f1a7a1..3110bc34790e 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -48,6 +48,10 @@ struct cgroup_sel;
enum perf_evsel_nameid {
PERF_EVSEL_NAMEID__NONE = 0,
+ PERF_EVSEL_NAMEID__CYCLES_IN_TX,
+ PERF_EVSEL_NAMEID__TRANSACTION_START,
+ PERF_EVSEL_NAMEID__ELISION_START,
+ PERF_EVSEL_NAMEID__CYCLES_IN_TX_CP,
PERF_EVSEL_NAMEID__MAX,
};
--
1.9.3
--
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