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perf metric: Add macros for iterating map events

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Adding following macros to iterate events and metric:

  map_for_each_event(__pe, __idx, __map)
    - iterates over all pmu_events_map events

  map_for_each_metric(__pe, __idx, __map, __metric)
    - iterates over all metrics that match __metric argument

and use it in metricgroup__add_metric function. Macros will be be used
from other places in following changes.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20200719181320.785305-6-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2020-07-19 20:13:06 +02:00 committed by Arnaldo Carvalho de Melo
parent 3fd29fa6c1
commit ce39194034
1 changed files with 39 additions and 36 deletions
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75
tools/perf/util/metricgroup.c
View file

@ -614,6 +614,17 @@ static int __metricgroup__add_metric(struct list_head *group_list,
return 0;
}
#define map_for_each_event(__pe, __idx, __map) \
for (__idx = 0, __pe = &__map->table[__idx]; \
__pe->name || __pe->metric_group || __pe->metric_name; \
__pe = &__map->table[++__idx])
#define map_for_each_metric(__pe, __idx, __map, __metric) \
map_for_each_event(__pe, __idx, __map) \
if (__pe->metric_expr && \
(match_metric(__pe->metric_group, __metric) || \
match_metric(__pe->metric_name, __metric)))
static int metricgroup__add_metric(const char *metric, bool metric_no_group,
struct strbuf *events,
struct list_head *group_list,
@ -624,49 +635,41 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group,
int i, ret;
bool has_match = false;
for (i = 0; ; i++) {
pe = &map->table[i];
map_for_each_metric(pe, i, map, metric) {
pr_debug("metric expr %s for %s\n", pe->metric_expr, pe->metric_name);
has_match = true;
if (!pe->name && !pe->metric_group && !pe->metric_name) {
/* End of pmu events. */
if (!has_match)
return -EINVAL;
break;
}
if (!pe->metric_expr)
continue;
if (match_metric(pe->metric_group, metric) ||
match_metric(pe->metric_name, metric)) {
has_match = true;
pr_debug("metric expr %s for %s\n", pe->metric_expr, pe->metric_name);
if (!strstr(pe->metric_expr, "?")) {
ret = __metricgroup__add_metric(group_list,
pe,
metric_no_group,
1);
if (ret)
return ret;
} else {
int j, count;
if (!strstr(pe->metric_expr, "?")) {
ret = __metricgroup__add_metric(group_list,
pe,
metric_no_group,
1);
count = arch_get_runtimeparam();
/* This loop is added to create multiple
* events depend on count value and add
* those events to group_list.
*/
for (j = 0; j < count; j++) {
ret = __metricgroup__add_metric(
group_list, pe,
metric_no_group, j);
if (ret)
return ret;
} else {
int j, count;
count = arch_get_runtimeparam();
/* This loop is added to create multiple
* events depend on count value and add
* those events to group_list.
*/
for (j = 0; j < count; j++) {
ret = __metricgroup__add_metric(
group_list, pe,
metric_no_group, j);
if (ret)
return ret;
}
}
}
}
/* End of pmu events. */
if (!has_match)
return -EINVAL;
list_for_each_entry(eg, group_list, nd) {
if (events->len > 0)
strbuf_addf(events, ",");