perf metricgroup: Split up metricgroup__print()

To aid supporting system event metric groups, break up the function
metricgroup__print() into a part which iterates metrics and a part which
actually "prints" the metric.

No functional change intended.

Signed-off-by: John Garry <john.garry@huawei.com>
Acked-by: Kajol Jain <kjain@linux.ibm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joakim Zhang <qiangqing.zhang@nxp.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Shaokun Zhang <zhangshaokun@hisilicon.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxarm@huawei.com
Link: http://lore.kernel.org/lkml/1607080216-36968-8-git-send-email-john.garry@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
John Garry 2020-12-04 19:10:13 +08:00 committed by Arnaldo Carvalho de Melo
parent c2337d6719
commit f6fe1e48ae

View file

@ -493,6 +493,72 @@ static void metricgroup__print_strlist(struct strlist *metrics, bool raw)
putchar('\n');
}
static int metricgroup__print_pmu_event(struct pmu_event *pe,
bool metricgroups, char *filter,
bool raw, bool details,
struct rblist *groups,
struct strlist *metriclist)
{
const char *g;
char *omg, *mg;
g = pe->metric_group;
if (!g && pe->metric_name) {
if (pe->name)
return 0;
g = "No_group";
}
if (!g)
return 0;
mg = strdup(g);
if (!mg)
return -ENOMEM;
omg = mg;
while ((g = strsep(&mg, ";")) != NULL) {
struct mep *me;
char *s;
g = skip_spaces(g);
if (*g == 0)
g = "No_group";
if (filter && !strstr(g, filter))
continue;
if (raw)
s = (char *)pe->metric_name;
else {
if (asprintf(&s, "%s\n%*s%s]",
pe->metric_name, 8, "[", pe->desc) < 0)
return -1;
if (details) {
if (asprintf(&s, "%s\n%*s%s]",
s, 8, "[", pe->metric_expr) < 0)
return -1;
}
}
if (!s)
continue;
if (!metricgroups) {
strlist__add(metriclist, s);
} else {
me = mep_lookup(groups, g);
if (!me)
continue;
strlist__add(me->metrics, s);
}
if (!raw)
free(s);
}
free(omg);
return 0;
}
void metricgroup__print(bool metrics, bool metricgroups, char *filter,
bool raw, bool details)
{
@ -517,66 +583,16 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter,
groups.node_cmp = mep_cmp;
groups.node_delete = mep_delete;
for (i = 0; ; i++) {
const char *g;
pe = &map->table[i];
if (!pe->name && !pe->metric_group && !pe->metric_name)
break;
if (!pe->metric_expr)
continue;
g = pe->metric_group;
if (!g && pe->metric_name) {
if (pe->name)
continue;
g = "No_group";
}
if (g) {
char *omg;
char *mg = strdup(g);
if (!mg)
return;
omg = mg;
while ((g = strsep(&mg, ";")) != NULL) {
struct mep *me;
char *s;
g = skip_spaces(g);
if (*g == 0)
g = "No_group";
if (filter && !strstr(g, filter))
continue;
if (raw)
s = (char *)pe->metric_name;
else {
if (asprintf(&s, "%s\n%*s%s]",
pe->metric_name, 8, "[", pe->desc) < 0)
return;
if (details) {
if (asprintf(&s, "%s\n%*s%s]",
s, 8, "[", pe->metric_expr) < 0)
return;
}
}
if (!s)
continue;
if (!metricgroups) {
strlist__add(metriclist, s);
} else {
me = mep_lookup(&groups, g);
if (!me)
continue;
strlist__add(me->metrics, s);
}
if (!raw)
free(s);
}
free(omg);
}
if (metricgroup__print_pmu_event(pe, metricgroups, filter,
raw, details, &groups,
metriclist) < 0)
return;
}
if (!filter || !rblist__empty(&groups)) {