cpufreq: interactive: add boost pulse interface (123f74a5) · Commits · e / devices / android_kernel_xiaomi_markw

Documentation/cpu-freq/governors.txt

+7 −2

Original line number	Diff line number	Diff line
		@@ -267,8 +267,13 @@ not idle. Default is 20000 uS.
		input_boost: If non-zero, boost speed of all CPUs to hispeed_freq on
		touchscreen activity. Default is 0.

		boost: If non-zero, immediately boost speed of all CPUs to
		hispeed_freq. If zero, allow CPU speeds to drop below hispeed_freq.
		boost: If non-zero, immediately boost speed of all CPUs to at least
		hispeed_freq until zero is written to this attribute. If zero, allow
		CPU speeds to drop below hispeed_freq according to load as usual.

		boostpulse: Immediately boost speed of all CPUs to hispeed_freq for
		min_sample_time, after which speeds are allowed to drop below
		hispeed_freq according to load as usual.


		3. The Governor Interface in the CPUfreq Core

drivers/cpufreq/cpufreq_interactive.c

+27 −5

Original line number	Diff line number	Diff line
		@@ -495,7 +495,6 @@ static void cpufreq_interactive_boost(void)
		unsigned long flags;
		struct cpufreq_interactive_cpuinfo *pcpu;

		trace_cpufreq_interactive_boost(hispeed_freq);
		spin_lock_irqsave(&up_cpumask_lock, flags);

		for_each_online_cpu(i) {
		@@ -534,9 +533,11 @@ static void cpufreq_interactive_input_event(struct input_handle *handle,
		unsigned int type,
		unsigned int code, int value)
		{
		if (input_boost_val && type == EV_SYN && code == SYN_REPORT)
		if (input_boost_val && type == EV_SYN && code == SYN_REPORT) {
		trace_cpufreq_interactive_boost("input");
		cpufreq_interactive_boost();
		}
		}

		static void cpufreq_interactive_input_open(struct work_struct *w)
		{
		@@ -763,16 +764,36 @@ static ssize_t store_boost(struct kobject kobj, struct attribute attr,

		boost_val = val;

		if (boost_val)
		if (boost_val) {
		trace_cpufreq_interactive_boost("on");
		cpufreq_interactive_boost();
		else
		trace_cpufreq_interactive_unboost(hispeed_freq);
		} else {
		trace_cpufreq_interactive_unboost("off");
		}

		return count;
		}

		define_one_global_rw(boost);

		static ssize_t store_boostpulse(struct kobject kobj, struct attribute attr,
		const char *buf, size_t count)
		{
		int ret;
		unsigned long val;

		ret = kstrtoul(buf, 0, &val);
		if (ret < 0)
		return ret;

		trace_cpufreq_interactive_boost("pulse");
		cpufreq_interactive_boost();
		return count;
		}

		static struct global_attr boostpulse =
		__ATTR(boostpulse, 0200, NULL, store_boostpulse);

		static struct attribute *interactive_attributes[] = {
		&hispeed_freq_attr.attr,
		&go_hispeed_load_attr.attr,
		@@ -781,6 +802,7 @@ static struct attribute *interactive_attributes[] = {
		&timer_rate_attr.attr,
		&input_boost.attr,
		&boost.attr,
		&boostpulse.attr,
		NULL,
		};

include/trace/events/cpufreq_interactive.h

+10 −10

Original line number	Diff line number	Diff line
		@@ -83,27 +83,27 @@ DEFINE_EVENT(loadeval, cpufreq_interactive_notyet,
		);

		TRACE_EVENT(cpufreq_interactive_boost,
		TP_PROTO(unsigned long freq),
		TP_ARGS(freq),
		TP_PROTO(char *s),
		TP_ARGS(s),
		TP_STRUCT__entry(
		__field(unsigned long, freq)
		__field(char *, s)
		),
		TP_fast_assign(
		__entry->freq = freq;
		__entry->s = s;
		),
		TP_printk("freq=%lu", __entry->freq)
		TP_printk("%s", __entry->s)
		);

		TRACE_EVENT(cpufreq_interactive_unboost,
		TP_PROTO(unsigned long freq),
		TP_ARGS(freq),
		TP_PROTO(char *s),
		TP_ARGS(s),
		TP_STRUCT__entry(
		__field(unsigned long, freq)
		__field(char *, s)
		),
		TP_fast_assign(
		__entry->freq = freq;
		__entry->s = s;
		),
		TP_printk("freq=%lu", __entry->freq)
		TP_printk("%s", __entry->s)
		);

		#endif /* _TRACE_CPUFREQ_INTERACTIVE_H */