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authorJavi Merino <javi.merino@arm.com>2015-03-02 20:17:20 +0300
committerEduardo Valentin <edubezval@gmail.com>2015-05-05 07:27:52 +0300
commit6828a4711f994bbd9d3fd27b7a541217fc37b341 (patch)
tree9a4bc66a10f15492d670fdc730eb65a07cfab7ed /include/trace
parent6b775e870c56c59c3e16531ea2307b797395f9f7 (diff)
downloadlinux-6828a4711f994bbd9d3fd27b7a541217fc37b341.tar.xz
thermal: add trace events to the power allocator governor
Add trace events for the power allocator governor and the power actor interface of the cpu cooling device. Cc: Zhang Rui <rui.zhang@intel.com> Cc: Eduardo Valentin <edubezval@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Javi Merino <javi.merino@arm.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/thermal.h58
-rw-r--r--include/trace/events/thermal_power_allocator.h87
2 files changed, 145 insertions, 0 deletions
diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h
index 0f4f95d63c03..8b1f80682b80 100644
--- a/include/trace/events/thermal.h
+++ b/include/trace/events/thermal.h
@@ -77,6 +77,64 @@ TRACE_EVENT(thermal_zone_trip,
__entry->trip_type)
);
+TRACE_EVENT(thermal_power_cpu_get_power,
+ TP_PROTO(const struct cpumask *cpus, unsigned long freq, u32 *load,
+ size_t load_len, u32 dynamic_power, u32 static_power),
+
+ TP_ARGS(cpus, freq, load, load_len, dynamic_power, static_power),
+
+ TP_STRUCT__entry(
+ __bitmask(cpumask, num_possible_cpus())
+ __field(unsigned long, freq )
+ __dynamic_array(u32, load, load_len)
+ __field(size_t, load_len )
+ __field(u32, dynamic_power )
+ __field(u32, static_power )
+ ),
+
+ TP_fast_assign(
+ __assign_bitmask(cpumask, cpumask_bits(cpus),
+ num_possible_cpus());
+ __entry->freq = freq;
+ memcpy(__get_dynamic_array(load), load,
+ load_len * sizeof(*load));
+ __entry->load_len = load_len;
+ __entry->dynamic_power = dynamic_power;
+ __entry->static_power = static_power;
+ ),
+
+ TP_printk("cpus=%s freq=%lu load={%s} dynamic_power=%d static_power=%d",
+ __get_bitmask(cpumask), __entry->freq,
+ __print_array(__get_dynamic_array(load), __entry->load_len, 4),
+ __entry->dynamic_power, __entry->static_power)
+);
+
+TRACE_EVENT(thermal_power_cpu_limit,
+ TP_PROTO(const struct cpumask *cpus, unsigned int freq,
+ unsigned long cdev_state, u32 power),
+
+ TP_ARGS(cpus, freq, cdev_state, power),
+
+ TP_STRUCT__entry(
+ __bitmask(cpumask, num_possible_cpus())
+ __field(unsigned int, freq )
+ __field(unsigned long, cdev_state)
+ __field(u32, power )
+ ),
+
+ TP_fast_assign(
+ __assign_bitmask(cpumask, cpumask_bits(cpus),
+ num_possible_cpus());
+ __entry->freq = freq;
+ __entry->cdev_state = cdev_state;
+ __entry->power = power;
+ ),
+
+ TP_printk("cpus=%s freq=%u cdev_state=%lu power=%u",
+ __get_bitmask(cpumask), __entry->freq, __entry->cdev_state,
+ __entry->power)
+);
+
#endif /* _TRACE_THERMAL_H */
/* This part must be outside protection */
diff --git a/include/trace/events/thermal_power_allocator.h b/include/trace/events/thermal_power_allocator.h
new file mode 100644
index 000000000000..12e1321c4e0c
--- /dev/null
+++ b/include/trace/events/thermal_power_allocator.h
@@ -0,0 +1,87 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM thermal_power_allocator
+
+#if !defined(_TRACE_THERMAL_POWER_ALLOCATOR_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_THERMAL_POWER_ALLOCATOR_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(thermal_power_allocator,
+ TP_PROTO(struct thermal_zone_device *tz, u32 *req_power,
+ u32 total_req_power, u32 *granted_power,
+ u32 total_granted_power, size_t num_actors,
+ u32 power_range, u32 max_allocatable_power,
+ unsigned long current_temp, s32 delta_temp),
+ TP_ARGS(tz, req_power, total_req_power, granted_power,
+ total_granted_power, num_actors, power_range,
+ max_allocatable_power, current_temp, delta_temp),
+ TP_STRUCT__entry(
+ __field(int, tz_id )
+ __dynamic_array(u32, req_power, num_actors )
+ __field(u32, total_req_power )
+ __dynamic_array(u32, granted_power, num_actors)
+ __field(u32, total_granted_power )
+ __field(size_t, num_actors )
+ __field(u32, power_range )
+ __field(u32, max_allocatable_power )
+ __field(unsigned long, current_temp )
+ __field(s32, delta_temp )
+ ),
+ TP_fast_assign(
+ __entry->tz_id = tz->id;
+ memcpy(__get_dynamic_array(req_power), req_power,
+ num_actors * sizeof(*req_power));
+ __entry->total_req_power = total_req_power;
+ memcpy(__get_dynamic_array(granted_power), granted_power,
+ num_actors * sizeof(*granted_power));
+ __entry->total_granted_power = total_granted_power;
+ __entry->num_actors = num_actors;
+ __entry->power_range = power_range;
+ __entry->max_allocatable_power = max_allocatable_power;
+ __entry->current_temp = current_temp;
+ __entry->delta_temp = delta_temp;
+ ),
+
+ TP_printk("thermal_zone_id=%d req_power={%s} total_req_power=%u granted_power={%s} total_granted_power=%u power_range=%u max_allocatable_power=%u current_temperature=%lu delta_temperature=%d",
+ __entry->tz_id,
+ __print_array(__get_dynamic_array(req_power),
+ __entry->num_actors, 4),
+ __entry->total_req_power,
+ __print_array(__get_dynamic_array(granted_power),
+ __entry->num_actors, 4),
+ __entry->total_granted_power, __entry->power_range,
+ __entry->max_allocatable_power, __entry->current_temp,
+ __entry->delta_temp)
+);
+
+TRACE_EVENT(thermal_power_allocator_pid,
+ TP_PROTO(struct thermal_zone_device *tz, s32 err, s32 err_integral,
+ s64 p, s64 i, s64 d, s32 output),
+ TP_ARGS(tz, err, err_integral, p, i, d, output),
+ TP_STRUCT__entry(
+ __field(int, tz_id )
+ __field(s32, err )
+ __field(s32, err_integral)
+ __field(s64, p )
+ __field(s64, i )
+ __field(s64, d )
+ __field(s32, output )
+ ),
+ TP_fast_assign(
+ __entry->tz_id = tz->id;
+ __entry->err = err;
+ __entry->err_integral = err_integral;
+ __entry->p = p;
+ __entry->i = i;
+ __entry->d = d;
+ __entry->output = output;
+ ),
+
+ TP_printk("thermal_zone_id=%d err=%d err_integral=%d p=%lld i=%lld d=%lld output=%d",
+ __entry->tz_id, __entry->err, __entry->err_integral,
+ __entry->p, __entry->i, __entry->d, __entry->output)
+);
+#endif /* _TRACE_THERMAL_POWER_ALLOCATOR_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>