return NULL;
}
+static int pmu_max_precise(const char *name)
+{
+ char path[PATH_MAX];
+ int max_precise = -1;
+
+ scnprintf(path, PATH_MAX,
+ "bus/event_source/devices/%s/caps/max_precise",
+ name);
+
+ sysfs__read_int(path, &max_precise);
+ return max_precise;
+}
+
static struct perf_pmu *pmu_lookup(const char *name)
{
struct perf_pmu *pmu;
pmu->name = strdup(name);
pmu->type = type;
pmu->is_uncore = pmu_is_uncore(name);
+ pmu->max_precise = pmu_max_precise(name);
pmu_add_cpu_aliases(&aliases, pmu);
INIT_LIST_HEAD(&pmu->format);