@@ -67,14 +67,15 @@ KPERF_LIST
#define KPC_CLASS_POWER_MASK (1 << 2)
#define KPC_CLASS_RAWPMU_MASK (1 << 3)
-#define COUNTERS_COUNT 10
+#define KPC_MAX_COUNTERS 32
#define CONFIG_COUNT 8
#define KPC_MASK (KPC_CLASS_CONFIGURABLE_MASK | KPC_CLASS_FIXED_MASK)
static void kperf_init(void)
{
- uint64_t config[COUNTERS_COUNT] = {0};
+ uint64_t config[CONFIG_COUNT] = {0};
void *kperf = NULL;
+ uint32_t n;
av_assert0(kperf = dlopen("/System/Library/PrivateFrameworks/kperf.framework/Versions/A/kperf", RTLD_LAZY));
@@ -82,8 +83,10 @@ static void kperf_init(void)
KPERF_LIST
#undef F
- av_assert0(kpc_get_counter_count(KPC_MASK) == COUNTERS_COUNT);
- av_assert0(kpc_get_config_count(KPC_MASK) == CONFIG_COUNT);
+ n = kpc_get_counter_count(KPC_MASK);
+ av_assert0(n <= KPC_MAX_COUNTERS);
+ n = kpc_get_config_count(KPC_MASK);
+ av_assert0(n <= CONFIG_COUNT);
config[0] = CPMU_CORE_CYCLE | CFGWORD_EL0A64EN_MASK;
// config[3] = CPMU_INST_BRANCH | CFGWORD_EL0A64EN_MASK;
@@ -104,8 +107,9 @@ void ff_kperf_init(void)
uint64_t ff_kperf_cycles(void)
{
- uint64_t counters[COUNTERS_COUNT];
- if (kpc_get_thread_counters(0, COUNTERS_COUNT, counters)) {
+ uint64_t counters[KPC_MAX_COUNTERS];
+
+ if (kpc_get_thread_counters(0, KPC_MAX_COUNTERS, counters)) {
return -1;
}