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Commit 84a7a572 authored by Shiju Mathew's avatar Shiju Mathew
Browse files

msm: thermal: Add ftrace logs in KTM 



Add ftrace logs in KTM. This would log core offline
and online as well as core frequency updates in
ftrace.

Change-Id: I02b6c047b2cbb9c042ee6a64d9fc849087dcb635
Signed-off-by: default avatarShiju Mathew <shijum@codeaurora.org>
parent 07692d57

drivers/thermal/msm_thermal.c

+22 −0
Original line number Diff line number Diff line
@@ -40,6 +40,10 @@ 
#include <soc/qcom/rpm-smd.h>

#include <soc/qcom/scm.h>



#define CREATE_TRACE_POINTS

#define TRACE_MSM_THERMAL

#include <trace/trace_thermal.h>



#define MAX_CURRENT_UA 100000

#define MAX_RAILS 5

#define MAX_THRESHOLD 2
@@ -368,7 +372,13 @@ static void update_cpu_freq(int cpu) 
	int ret = 0;



	if (cpu_online(cpu)) {

		trace_thermal_pre_frequency_mit(cpu,

			cpus[cpu].limited_max_freq,

			cpus[cpu].limited_min_freq);

		ret = cpufreq_update_policy(cpu);

		trace_thermal_post_frequency_mit(cpu,

			cpufreq_quick_get_max(cpu),

			cpus[cpu].limited_min_freq);

		if (ret)

			pr_err("Unable to update policy for cpu:%d. err:%d\n",

				cpu, ret);
@@ -1824,10 +1834,13 @@ static void __ref do_core_control(long temp) 
				continue;

			pr_info("Set Offline: CPU%d Temp: %ld\n",

					i, temp);

			trace_thermal_pre_core_offline(i);

			ret = cpu_down(i);

			if (ret)

				pr_err("Error %d offline core %d\n",

					ret, i);

			trace_thermal_post_core_offline(i,

				cpumask_test_cpu(i, cpu_online_mask));

			cpus_offlined |= BIT(i);

			break;

		}
@@ -1846,10 +1859,13 @@ static void __ref do_core_control(long temp) 
			 */

			if (cpu_online(i))

				continue;

			trace_thermal_pre_core_online(i);

			ret = cpu_up(i);

			if (ret)

				pr_err("Error %d online core %d\n",

						ret, i);

			trace_thermal_post_core_online(i,

				cpumask_test_cpu(i, cpu_online_mask));

			break;

		}

	}
@@ -1872,15 +1888,19 @@ static int __ref update_offline_cores(int val) 
		if (cpus_offlined & BIT(cpu)) {

			if (!cpu_online(cpu))

				continue;

			trace_thermal_pre_core_offline(cpu);

			ret = cpu_down(cpu);

			if (ret)

				pr_err("Unable to offline CPU%d. err:%d\n",

					cpu, ret);

			else

				pr_debug("Offlined CPU%d\n", cpu);

			trace_thermal_post_core_offline(cpu,

				cpumask_test_cpu(cpu, cpu_online_mask));

		} else if (online_core && (previous_cpus_offlined & BIT(cpu))) {

			if (cpu_online(cpu))

				continue;

			trace_thermal_pre_core_online(cpu);

			ret = cpu_up(cpu);

			if (ret && ret == notifier_to_errno(NOTIFY_BAD))

				pr_debug("Onlining CPU%d is vetoed\n", cpu);
@@ -1889,6 +1909,8 @@ static int __ref update_offline_cores(int val) 
						cpu, ret);

			else

				pr_debug("Onlined CPU%d\n", cpu);

			trace_thermal_post_core_online(cpu,

				cpumask_test_cpu(cpu, cpu_online_mask));

		}

	}

	return ret;

include/trace/trace_thermal.h

+105 −1
Original line number Diff line number Diff line
@@ -18,7 +18,111 @@ 
#define _TRACE_THERMAL_H



#include <linux/tracepoint.h>

#ifdef TRACE_MSM_THERMAL

DECLARE_EVENT_CLASS(msm_thermal_post_core_ctl,



	TP_PROTO(unsigned int cpu, unsigned int online),



	TP_ARGS(cpu, online),



	TP_STRUCT__entry(

		__field(unsigned int, cpu)

		__field(unsigned int, online)

	),



	TP_fast_assign(

		__entry->cpu = cpu;

		__entry->online = online;

	),



	TP_printk("device=cpu%u online=%u",

		 __entry->cpu,  __entry->online)

);

DECLARE_EVENT_CLASS(msm_thermal_pre_core_ctl,



	TP_PROTO(unsigned int cpu),



	TP_ARGS(cpu),



	TP_STRUCT__entry(

		__field(unsigned int, cpu)

	),



	TP_fast_assign(

		__entry->cpu = cpu;

	),



	TP_printk("device=cpu%u", __entry->cpu)

);



DEFINE_EVENT(msm_thermal_pre_core_ctl, thermal_pre_core_offline,



	TP_PROTO(unsigned int cpu),



	TP_ARGS(cpu)

);



DEFINE_EVENT(msm_thermal_post_core_ctl, thermal_post_core_offline,



	TP_PROTO(unsigned int cpu, unsigned int online),



	TP_ARGS(cpu, online)

);



DEFINE_EVENT(msm_thermal_pre_core_ctl, thermal_pre_core_online,



	TP_PROTO(unsigned int cpu),



	TP_ARGS(cpu)

);



DEFINE_EVENT(msm_thermal_post_core_ctl, thermal_post_core_online,



	TP_PROTO(unsigned int cpu, unsigned int online),



	TP_ARGS(cpu, online)

);



DECLARE_EVENT_CLASS(msm_thermal_freq_mit,



	TP_PROTO(unsigned int cpu, unsigned int max_freq,

		unsigned int min_freq),



	TP_ARGS(cpu, max_freq, min_freq),



	TP_STRUCT__entry(

		__field(unsigned int, cpu)

		__field(unsigned int, max_freq)

		__field(unsigned int, min_freq)

	),



	TP_fast_assign(

		__entry->cpu = cpu;

		__entry->max_freq = max_freq;

		__entry->min_freq = min_freq;

	),



	TP_printk("device=cpu%u max_frequency=%u min_frequency=%u",

			 __entry->cpu, __entry->max_freq,

			 __entry->min_freq)

);



DEFINE_EVENT(msm_thermal_freq_mit, thermal_pre_frequency_mit,



	TP_PROTO(unsigned int cpu, unsigned int max_freq,

		unsigned int min_freq),



	TP_ARGS(cpu, max_freq, min_freq)

);



DEFINE_EVENT(msm_thermal_freq_mit, thermal_post_frequency_mit,



	TP_PROTO(unsigned int cpu, unsigned int max_freq,

		unsigned int min_freq),



	TP_ARGS(cpu, max_freq, min_freq)

);

#else

DECLARE_EVENT_CLASS(tsens,



	TP_PROTO(unsigned long temp, unsigned int sensor),
@@ -60,7 +164,7 @@ DEFINE_EVENT(tsens, tsens_threshold_clear, 
	TP_ARGS(temp, sensor)

);

#endif



#endif

#undef TRACE_INCLUDE_PATH

#undef TRACE_INCLUDE_FILE

#define TRACE_INCLUDE_PATH .