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Commit d85fe278 authored by Shiju Mathew's avatar Shiju Mathew
Browse files

power: bcl: Add ftrace events for bcl mitigation 



Add ftrace events in bcl driver for frequency and
hotplug mitigations.

Change-Id: I51b3918edf416530b67b4f92e1706f055f6740ca
Signed-off-by: default avatarShiju Mathew <shijum@codeaurora.org>
parent 4eb86a03

drivers/power/battery_current_limit.c

+4 −3
Original line number Original line Diff line number Diff line
@@ -227,12 +227,10 @@ static void bcl_handle_hotplug(struct work_struct *work) 




	cpumask_clear(&curr_req.offline_mask);

	cpumask_clear(&curr_req.offline_mask);

	for_each_possible_cpu(cpu) {

	for_each_possible_cpu(cpu) {

		if ((!(bcl_hotplug_mask & BIT(cpu))

			&& !(bcl_soc_hotplug_mask & BIT(cpu))))

			continue;

		if (bcl_hotplug_request & BIT(cpu))

		if (bcl_hotplug_request & BIT(cpu))

			cpumask_set_cpu(cpu, &curr_req.offline_mask);

			cpumask_set_cpu(cpu, &curr_req.offline_mask);

	}

	}

	trace_bcl_sw_mitigation("Start hotplug CPU", bcl_hotplug_request);

	ret = devmgr_client_request_mitigation(

	ret = devmgr_client_request_mitigation(

		gbcl->hotplug_handle,

		gbcl->hotplug_handle,

		HOTPLUG_MITIGATION_REQ,

		HOTPLUG_MITIGATION_REQ,
@@ -253,6 +251,7 @@ static void update_cpu_freq(void) 
	int cpu, ret = 0;

	int cpu, ret = 0;

	union device_request cpufreq_req;

	union device_request cpufreq_req;





	trace_bcl_sw_mitigation_event("Start Frequency Mitigate");

	cpufreq_req.freq.max_freq = UINT_MAX;

	cpufreq_req.freq.max_freq = UINT_MAX;

	cpufreq_req.freq.min_freq = CPUFREQ_MIN_NO_MITIGATION;

	cpufreq_req.freq.min_freq = CPUFREQ_MIN_NO_MITIGATION;
@@ -269,6 +268,7 @@ static void update_cpu_freq(void) 
			continue;

			continue;

		pr_debug("Requesting Max freq:%u for CPU%d\n",

		pr_debug("Requesting Max freq:%u for CPU%d\n",

			cpufreq_req.freq.max_freq, cpu);

			cpufreq_req.freq.max_freq, cpu);

		trace_bcl_sw_mitigation("Frequency Mitigate CPU", cpu);

		ret = devmgr_client_request_mitigation(

		ret = devmgr_client_request_mitigation(

			gbcl->cpufreq_handle[cpu],

			gbcl->cpufreq_handle[cpu],

			CPUFREQ_MITIGATION_REQ, &cpufreq_req);

			CPUFREQ_MITIGATION_REQ, &cpufreq_req);
@@ -276,6 +276,7 @@ static void update_cpu_freq(void) 
			pr_err("Error updating freq for CPU%d. ret:%d\n",

			pr_err("Error updating freq for CPU%d. ret:%d\n",

				cpu, ret);

				cpu, ret);

	}

	}

	trace_bcl_sw_mitigation_event("End Frequency Mitigation");

}

}





static void power_supply_callback(struct power_supply *psy)

static void power_supply_callback(struct power_supply *psy)