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PM / devfreq: bw_hwmon: add bw_hwmon_debug event

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Add bw_hwmon_debug ftrace event to improve debugging.

Change-Id: Ib10f764b330492fd21ff50931cc6ded6c2ca1ef2
Signed-off-by: Amir Vajid <avajid@codeaurora.org>
This commit is contained in:
Amir Vajid 2020-04-09 12:58:41 -07:00
commit 226ee6e172
3 changed files with 47 additions and 0 deletions
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8
drivers/devfreq/governor_bw_hwmon.c
View file

@ -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;
}

38
include/trace/events/power.h
View file

@ -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,

1
kernel/trace/power-traces.c
View file

@ -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);