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Commit 226ee6e1 authored by Amir Vajid's avatar Amir Vajid
Browse files

PM / devfreq: bw_hwmon: add bw_hwmon_debug event 



Add bw_hwmon_debug ftrace event to improve debugging.

Change-Id: Ib10f764b330492fd21ff50931cc6ded6c2ca1ef2
Signed-off-by: default avatarAmir Vajid <avajid@codeaurora.org>
parent a6ae9f82

drivers/devfreq/governor_bw_hwmon.c

+8 −0
Original line number Diff line number Diff line
@@ -462,6 +462,14 @@ static unsigned long get_bw_and_set_irq(struct hwmon_node *node, 
				*freq,

				hw->up_wake_mbps,

				hw->down_wake_mbps);



	trace_bw_hwmon_debug(dev_name(node->hw->df->dev.parent),

				req_mbps,

				meas_mbps_zone,

				node->hist_max_mbps,

				node->hist_mem,

				node->hyst_mbps,

				node->hyst_en);

	return req_mbps;

}

include/trace/events/power.h

+38 −0
Original line number Diff line number Diff line
@@ -585,6 +585,44 @@ TRACE_EVENT(bw_hwmon_update, 
		__entry->down_thres)

);



TRACE_EVENT(bw_hwmon_debug,



	TP_PROTO(const char *name, unsigned long mbps, unsigned long zone,

		 unsigned long hist_max, unsigned long hist_mem,

		 unsigned long hyst_mbps, unsigned long hyst_len),



	TP_ARGS(name, mbps, zone, hist_max, hist_mem, hyst_mbps, hyst_len),



	TP_STRUCT__entry(

		__string(name,			name)

		__field(unsigned long,		mbps)

		__field(unsigned long,		zone)

		__field(unsigned long,		hist_max)

		__field(unsigned long,		hist_mem)

		__field(unsigned long,		hyst_mbps)

		__field(unsigned long,		hyst_len)

	),



	TP_fast_assign(

		__assign_str(name, name);

		__entry->mbps = mbps;

		__entry->zone = zone;

		__entry->hist_max = hist_max;

		__entry->hist_mem = hist_mem;

		__entry->hyst_mbps = hyst_mbps;

		__entry->hyst_len = hyst_len;

	),



	TP_printk("dev=%s mbps=%lu zone=%lu hist_max=%lu hist_mem=%lu hyst_mbps=%lu hyst_len=%lu",

		__get_str(name),

		__entry->mbps,

		__entry->zone,

		__entry->hist_max,

		__entry->hist_mem,

		__entry->hyst_mbps,

		__entry->hyst_len)

);



TRACE_EVENT(cache_hwmon_meas,

	TP_PROTO(const char *name, unsigned long high_mrps,

		 unsigned long med_mrps, unsigned long low_mrps,

kernel/trace/power-traces.c

+1 −0
Original line number Diff line number Diff line
@@ -25,3 +25,4 @@ EXPORT_TRACEPOINT_SYMBOL(cache_hwmon_update); 
EXPORT_TRACEPOINT_SYMBOL(cache_hwmon_meas);

EXPORT_TRACEPOINT_SYMBOL(bw_hwmon_update);

EXPORT_TRACEPOINT_SYMBOL(bw_hwmon_meas);

EXPORT_TRACEPOINT_SYMBOL(bw_hwmon_debug);