summaryrefslogtreecommitdiff
path: root/tools/perf/util/mem-events.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/mem-events.c')
-rw-r--r--tools/perf/util/mem-events.c103
1 files changed, 93 insertions, 10 deletions
diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
index f93a852ad838..f0e75df72b80 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c
@@ -12,6 +12,8 @@
#include "mem-events.h"
#include "debug.h"
#include "symbol.h"
+#include "pmu.h"
+#include "pmu-hybrid.h"
unsigned int perf_mem_events__loads_ldlat = 30;
@@ -24,8 +26,6 @@ static struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = {
};
#undef E
-#undef E
-
static char mem_loads_name[100];
static bool mem_loads_name__init;
@@ -37,7 +37,7 @@ struct perf_mem_event * __weak perf_mem_events__ptr(int i)
return &perf_mem_events[i];
}
-char * __weak perf_mem_events__name(int i)
+char * __weak perf_mem_events__name(int i, char *pmu_name __maybe_unused)
{
struct perf_mem_event *e = perf_mem_events__ptr(i);
@@ -100,6 +100,15 @@ int perf_mem_events__parse(const char *str)
return -1;
}
+static bool perf_mem_event__supported(const char *mnt, char *sysfs_name)
+{
+ char path[PATH_MAX];
+ struct stat st;
+
+ scnprintf(path, PATH_MAX, "%s/devices/%s", mnt, sysfs_name);
+ return !stat(path, &st);
+}
+
int perf_mem_events__init(void)
{
const char *mnt = sysfs__mount();
@@ -110,9 +119,9 @@ int perf_mem_events__init(void)
return -ENOENT;
for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
- char path[PATH_MAX];
struct perf_mem_event *e = perf_mem_events__ptr(j);
- struct stat st;
+ struct perf_pmu *pmu;
+ char sysfs_name[100];
/*
* If the event entry isn't valid, skip initialization
@@ -121,11 +130,20 @@ int perf_mem_events__init(void)
if (!e->tag)
continue;
- scnprintf(path, PATH_MAX, "%s/devices/%s",
- mnt, e->sysfs_name);
+ if (!perf_pmu__has_hybrid()) {
+ scnprintf(sysfs_name, sizeof(sysfs_name),
+ e->sysfs_name, "cpu");
+ e->supported = perf_mem_event__supported(mnt, sysfs_name);
+ } else {
+ perf_pmu__for_each_hybrid_pmu(pmu) {
+ scnprintf(sysfs_name, sizeof(sysfs_name),
+ e->sysfs_name, pmu->name);
+ e->supported |= perf_mem_event__supported(mnt, sysfs_name);
+ }
+ }
- if (!stat(path, &st))
- e->supported = found = true;
+ if (e->supported)
+ found = true;
}
return found ? 0 : -ENOENT;
@@ -141,11 +159,76 @@ void perf_mem_events__list(void)
fprintf(stderr, "%-13s%-*s%s\n",
e->tag ?: "",
verbose > 0 ? 25 : 0,
- verbose > 0 ? perf_mem_events__name(j) : "",
+ verbose > 0 ? perf_mem_events__name(j, NULL) : "",
e->supported ? ": available" : "");
}
}
+static void perf_mem_events__print_unsupport_hybrid(struct perf_mem_event *e,
+ int idx)
+{
+ const char *mnt = sysfs__mount();
+ char sysfs_name[100];
+ struct perf_pmu *pmu;
+
+ perf_pmu__for_each_hybrid_pmu(pmu) {
+ scnprintf(sysfs_name, sizeof(sysfs_name), e->sysfs_name,
+ pmu->name);
+ if (!perf_mem_event__supported(mnt, sysfs_name)) {
+ pr_err("failed: event '%s' not supported\n",
+ perf_mem_events__name(idx, pmu->name));
+ }
+ }
+}
+
+int perf_mem_events__record_args(const char **rec_argv, int *argv_nr,
+ char **rec_tmp, int *tmp_nr)
+{
+ int i = *argv_nr, k = 0;
+ struct perf_mem_event *e;
+ struct perf_pmu *pmu;
+ char *s;
+
+ for (int j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
+ e = perf_mem_events__ptr(j);
+ if (!e->record)
+ continue;
+
+ if (!perf_pmu__has_hybrid()) {
+ if (!e->supported) {
+ pr_err("failed: event '%s' not supported\n",
+ perf_mem_events__name(j, NULL));
+ return -1;
+ }
+
+ rec_argv[i++] = "-e";
+ rec_argv[i++] = perf_mem_events__name(j, NULL);
+ } else {
+ if (!e->supported) {
+ perf_mem_events__print_unsupport_hybrid(e, j);
+ return -1;
+ }
+
+ perf_pmu__for_each_hybrid_pmu(pmu) {
+ rec_argv[i++] = "-e";
+ s = perf_mem_events__name(j, pmu->name);
+ if (s) {
+ s = strdup(s);
+ if (!s)
+ return -1;
+
+ rec_argv[i++] = s;
+ rec_tmp[k++] = s;
+ }
+ }
+ }
+ }
+
+ *argv_nr = i;
+ *tmp_nr = k;
+ return 0;
+}
+
static const char * const tlb_access[] = {
"N/A",
"HIT",