xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Garpu 0
Kode Masalah Tarik Permintaan Actions Packages Projects Rilis Wiki Kegiatan

thermal: add trace events to the power allocator governor

Telusuri Sumber 
Add trace events for the power allocator governor and the power actor
interface of the cpu cooling device.

Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Javi Merino
2015-03-02 17:17:20 +00:00
committed by Eduardo Valentin
orang tua 6b775e870c
melakukan 6828a4711f
4 mengubah file dengan 194 tambahan dan 4 penghapusan
Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/thermal/cpu_cooling.c
Melihat File

@@ -31,6 +31,8 @@
#include <linux/cpu.h>
#include <linux/cpu_cooling.h>
#include <trace/events/thermal.h>
/*
* Cooling state <-> CPUFreq frequency
*
@@ -588,12 +590,20 @@ static int cpufreq_get_requested_power(struct thermal_cooling_device *cdev,
u32 *power)
{
unsigned long freq;
int cpu, ret;
int i = 0, cpu, ret;
u32 static_power, dynamic_power, total_load = 0;
struct cpufreq_cooling_device *cpufreq_device = cdev->devdata;
u32 *load_cpu = NULL;
freq = cpufreq_quick_get(cpumask_any(&cpufreq_device->allowed_cpus));
if (trace_thermal_power_cpu_get_power_enabled()) {
u32 ncpus = cpumask_weight(&cpufreq_device->allowed_cpus);
load_cpu = devm_kcalloc(&cdev->device, ncpus, sizeof(*load_cpu),
GFP_KERNEL);
}
for_each_cpu(cpu, &cpufreq_device->allowed_cpus) {
u32 load;
@@ -603,14 +613,29 @@ static int cpufreq_get_requested_power(struct thermal_cooling_device *cdev,
load = 0;
total_load += load;
if (trace_thermal_power_cpu_limit_enabled() && load_cpu)
load_cpu[i] = load;
i++;
}
cpufreq_device->last_load = total_load;
dynamic_power = get_dynamic_power(cpufreq_device, freq);
ret = get_static_power(cpufreq_device, tz, freq, &static_power);
if (ret)
if (ret) {
if (load_cpu)
devm_kfree(&cdev->device, load_cpu);
return ret;
}
if (load_cpu) {
trace_thermal_power_cpu_get_power(
&cpufreq_device->allowed_cpus,
freq, load_cpu, i, dynamic_power, static_power);
devm_kfree(&cdev->device, load_cpu);
}
*power = static_power + dynamic_power;
return 0;
@@ -718,6 +743,8 @@ static int cpufreq_power2state(struct thermal_cooling_device *cdev,
return -EINVAL;
}
trace_thermal_power_cpu_limit(&cpufreq_device->allowed_cpus,
target_freq, *state, power);
return 0;
}