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authorTakashi Iwai <tiwai@suse.de>2023-06-26 16:38:02 +0300
committerTakashi Iwai <tiwai@suse.de>2023-06-26 16:38:02 +0300
commitd6048fdc870240e5020343f8af0c825829c232bd (patch)
treed83ca76eaac5f8bf1c4c16f003aad64baa8fae62 /tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
parenta15b51375684c2bfa6017bb185139477e7a3b96c (diff)
parent2d0cad0473bd1ffbc5842be0b9f2546265acb011 (diff)
downloadlinux-d6048fdc870240e5020343f8af0c825829c232bd.tar.xz
Merge tag 'asoc-v6.5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.5 A fairly quiet release from a core and framework point of view, but a very big one from the point of view of new drivers: - More refectoring from Morimoto-san, this time mainly around DAI links and how we control the ordering of trigger() callbacks. - Convert a lot of drivers to use maple tree based caches. - Lots of work on the x86 driver stack. - Compressed audio support for Qualcomm. - Support for AMD SoundWire, Analog Devices SSM3515, Google Chameleon, Ingenic X1000, Intel systems with various CODECs, Longsoon platforms, Maxim MAX98388, Mediatek MT8188, Nuvoton NAU8825C, NXP platforms with NAU8822, Qualcomm WSA884x, StarFive JH7110, Texas Instruments TAS2781.
Diffstat (limited to 'tools/power/cpupower/utils/idle_monitor/mperf_monitor.c')
-rw-r--r--tools/power/cpupower/utils/idle_monitor/mperf_monitor.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
index e7d48cb563c0..ae6af354a81d 100644
--- a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
+++ b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
@@ -70,8 +70,8 @@ static int max_freq_mode;
*/
static unsigned long max_frequency;
-static unsigned long long tsc_at_measure_start;
-static unsigned long long tsc_at_measure_end;
+static unsigned long long *tsc_at_measure_start;
+static unsigned long long *tsc_at_measure_end;
static unsigned long long *mperf_previous_count;
static unsigned long long *aperf_previous_count;
static unsigned long long *mperf_current_count;
@@ -169,7 +169,7 @@ static int mperf_get_count_percent(unsigned int id, double *percent,
aperf_diff = aperf_current_count[cpu] - aperf_previous_count[cpu];
if (max_freq_mode == MAX_FREQ_TSC_REF) {
- tsc_diff = tsc_at_measure_end - tsc_at_measure_start;
+ tsc_diff = tsc_at_measure_end[cpu] - tsc_at_measure_start[cpu];
*percent = 100.0 * mperf_diff / tsc_diff;
dprint("%s: TSC Ref - mperf_diff: %llu, tsc_diff: %llu\n",
mperf_cstates[id].name, mperf_diff, tsc_diff);
@@ -206,7 +206,7 @@ static int mperf_get_count_freq(unsigned int id, unsigned long long *count,
if (max_freq_mode == MAX_FREQ_TSC_REF) {
/* Calculate max_freq from TSC count */
- tsc_diff = tsc_at_measure_end - tsc_at_measure_start;
+ tsc_diff = tsc_at_measure_end[cpu] - tsc_at_measure_start[cpu];
time_diff = timespec_diff_us(time_start, time_end);
max_frequency = tsc_diff / time_diff;
}
@@ -225,33 +225,27 @@ static int mperf_get_count_freq(unsigned int id, unsigned long long *count,
static int mperf_start(void)
{
int cpu;
- unsigned long long dbg;
clock_gettime(CLOCK_REALTIME, &time_start);
- mperf_get_tsc(&tsc_at_measure_start);
- for (cpu = 0; cpu < cpu_count; cpu++)
+ for (cpu = 0; cpu < cpu_count; cpu++) {
+ mperf_get_tsc(&tsc_at_measure_start[cpu]);
mperf_init_stats(cpu);
+ }
- mperf_get_tsc(&dbg);
- dprint("TSC diff: %llu\n", dbg - tsc_at_measure_start);
return 0;
}
static int mperf_stop(void)
{
- unsigned long long dbg;
int cpu;
- for (cpu = 0; cpu < cpu_count; cpu++)
+ for (cpu = 0; cpu < cpu_count; cpu++) {
mperf_measure_stats(cpu);
+ mperf_get_tsc(&tsc_at_measure_end[cpu]);
+ }
- mperf_get_tsc(&tsc_at_measure_end);
clock_gettime(CLOCK_REALTIME, &time_end);
-
- mperf_get_tsc(&dbg);
- dprint("TSC diff: %llu\n", dbg - tsc_at_measure_end);
-
return 0;
}
@@ -353,7 +347,8 @@ struct cpuidle_monitor *mperf_register(void)
aperf_previous_count = calloc(cpu_count, sizeof(unsigned long long));
mperf_current_count = calloc(cpu_count, sizeof(unsigned long long));
aperf_current_count = calloc(cpu_count, sizeof(unsigned long long));
-
+ tsc_at_measure_start = calloc(cpu_count, sizeof(unsigned long long));
+ tsc_at_measure_end = calloc(cpu_count, sizeof(unsigned long long));
mperf_monitor.name_len = strlen(mperf_monitor.name);
return &mperf_monitor;
}
@@ -364,6 +359,8 @@ void mperf_unregister(void)
free(aperf_previous_count);
free(mperf_current_count);
free(aperf_current_count);
+ free(tsc_at_measure_start);
+ free(tsc_at_measure_end);
free(is_valid);
}