Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 790dfdd5 authored by Junjie Wu's avatar Junjie Wu
Browse files

PM / devfreq: governor_cache_hwmon: Add mrps and freq vote traces 



Replace measured mrps and frequency vote debug prints with trace
events.

Change-Id: I78370b068e3819a57635cbabaf5cdd053ebabce4
Signed-off-by: default avatarJunjie Wu <junjiew@codeaurora.org>
parent e0baa754

drivers/devfreq/governor_cache_hwmon.c

+5 −6
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include <linux/platform_device.h>

#include <linux/of.h>

#include <linux/devfreq.h>

#include <trace/events/power.h>

#include "governor.h"

#include "governor_cache_hwmon.h"
@@ -134,12 +135,9 @@ static unsigned long measure_mrps_and_set_irq(struct cache_hwmon_node *node, 


	preempt_enable();



	dev_dbg(hw->df->dev.parent,

		"stat H=%3lu, M=%3lu, L=%3lu, T=%3lu, b=%3u, f=%4lu, us=%d\n",

		 stat->mrps[HIGH], stat->mrps[MED], stat->mrps[LOW],

		 stat->mrps[HIGH] + stat->mrps[MED] + stat->mrps[LOW],

		 stat->busy_percent, hw->df->previous_freq / 1000, us);



	trace_cache_hwmon_meas(dev_name(hw->df->dev.parent), stat->mrps[HIGH],

			       stat->mrps[MED], stat->mrps[LOW],

			       stat->busy_percent, us);

	return 0;

}
@@ -168,6 +166,7 @@ static void compute_cache_freq(struct cache_hwmon_node *node, 


	new_mhz += node->guard_band_mhz;

	*freq = new_mhz * 1000;

	trace_cache_hwmon_update(dev_name(node->hw->df->dev.parent), *freq);

}



#define TOO_SOON_US	(1 * USEC_PER_MSEC)

include/trace/events/power.h

+43 −0
Original line number Diff line number Diff line
@@ -930,6 +930,49 @@ TRACE_EVENT(bw_hwmon_update, 
		__entry->down_thres)

);



TRACE_EVENT(cache_hwmon_meas,

	TP_PROTO(const char *name, unsigned long high_mrps,

		 unsigned long med_mrps, unsigned long low_mrps,

		 unsigned int busy_percent, unsigned int us),

	TP_ARGS(name, high_mrps, med_mrps, low_mrps, busy_percent, us),

	TP_STRUCT__entry(

		__string(name, name)

		__field(unsigned long, high_mrps)

		__field(unsigned long, med_mrps)

		__field(unsigned long, low_mrps)

		__field(unsigned long, total_mrps)

		__field(unsigned int, busy_percent)

		__field(unsigned int, us)

	),

	TP_fast_assign(

		__assign_str(name, name);

		__entry->high_mrps = high_mrps;

		__entry->med_mrps = med_mrps;

		__entry->low_mrps = low_mrps;

		__entry->total_mrps = high_mrps + med_mrps + low_mrps;

		__entry->busy_percent = busy_percent;

		__entry->us = us;

	),

	TP_printk("dev=%s H=%lu M=%lu L=%lu T=%lu busy_pct=%u period=%u",

		  __get_str(name), __entry->high_mrps, __entry->med_mrps,

		  __entry->low_mrps, __entry->total_mrps,

		  __entry->busy_percent, __entry->us)

);



TRACE_EVENT(cache_hwmon_update,

	TP_PROTO(const char *name, unsigned long freq_mhz),

	TP_ARGS(name, freq_mhz),

	TP_STRUCT__entry(

		__string(name, name)

		__field(unsigned long, freq)

	),

	TP_fast_assign(

		__assign_str(name, name);

		__entry->freq = freq_mhz;

	),

	TP_printk("dev=%s freq=%lu", __get_str(name), __entry->freq)

);



#endif /* _TRACE_POWER_H */



/* This part must be outside protection */