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perf stat: Create the runtime_stat init/exit function 

It mainly initializes and releases the rblist which is defined in struct
runtime_stat.

For the original rblist 'runtime_saved_values', it's still kept there
for keeping the patch bisectable.

The rblist 'runtime_saved_values' will be removed in later patch at
switching time.

Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1512482591-4646-4-git-send-email-yao.jin@linux.intel.com
[ Rename 'stat' variables to 'st' to build on centos:{5,6} and others where it shadows a global declaration ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jin Yao 2017-12-05 22:03:03 +08:00 committed by Arnaldo Carvalho de Melo
parent 49cd456af1
commit 8efb2df128
2 changed files with 20 additions and 0 deletions
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17
tools/perf/util/stat-shadow.c
View File

@ -40,6 +40,7 @@ static struct stats runtime_aperf_stats[NUM_CTX][MAX_NR_CPUS];
static struct rblist runtime_saved_values;
static bool have_frontend_stalled;
struct runtime_stat rt_stat;
struct stats walltime_nsecs_stats;
struct saved_value {
@ -134,6 +135,21 @@ static struct saved_value *saved_value_lookup(struct perf_evsel *evsel,
return NULL;
}
void runtime_stat__init(struct runtime_stat *st)
{
struct rblist *rblist = &st->value_list;
rblist__init(rblist);
rblist->node_cmp = saved_value_cmp;
rblist->node_new = saved_value_new;
rblist->node_delete = saved_value_delete;
}
void runtime_stat__exit(struct runtime_stat *st)
{
rblist__exit(&st->value_list);
}
void perf_stat__init_shadow_stats(void)
{
have_frontend_stalled = pmu_have_event("cpu", "stalled-cycles-frontend");
@ -141,6 +157,7 @@ void perf_stat__init_shadow_stats(void)
runtime_saved_values.node_cmp = saved_value_cmp;
runtime_saved_values.node_new = saved_value_new;
runtime_saved_values.node_delete = saved_value_delete;
runtime_stat__init(&rt_stat);
}
static int evsel_context(struct perf_evsel *evsel)

3
tools/perf/util/stat.h
View File

@ -117,12 +117,15 @@ bool __perf_evsel_stat__is(struct perf_evsel *evsel,
void perf_stat_evsel_id_init(struct perf_evsel *evsel);
extern struct runtime_stat rt_stat;
extern struct stats walltime_nsecs_stats;
typedef void (*print_metric_t)(void *ctx, const char *color, const char *unit,
const char *fmt, double val);
typedef void (*new_line_t )(void *ctx);
void runtime_stat__init(struct runtime_stat *st);
void runtime_stat__exit(struct runtime_stat *st);
void perf_stat__init_shadow_stats(void);
void perf_stat__reset_shadow_stats(void);
void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 count,