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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-06-12 13:43:08 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-06-12 13:43:08 +0200
commitd715a226b0b3dae48865d05e8c36175a8f75a809 (patch)
tree996e45c4075f8e3032daeea8de7bd355fde3cc00 /include/trace
parent589e18a973bd6bb8abd2c6d4d8a1dcf5ae1dff61 (diff)
parente8bca479c3f269ebb3a3acea5ef63314bb677060 (diff)
Merge branch 'pm-sleep'
* pm-sleep: PM / sleep: trace events for device PM callbacks PM / sleep: trace events for suspend/resume
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/power.h84
1 files changed, 58 insertions, 26 deletions
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index 9a7e08d61258..d19840b0cac8 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -7,6 +7,9 @@
#include <linux/ktime.h>
#include <linux/pm_qos.h>
#include <linux/tracepoint.h>
+#include <linux/ftrace_event.h>
+
+#define TPS(x) tracepoint_string(x)
DECLARE_EVENT_CLASS(cpu,
@@ -90,6 +93,17 @@ TRACE_EVENT(pstate_sample,
#define PWR_EVENT_EXIT -1
#endif
+#define pm_verb_symbolic(event) \
+ __print_symbolic(event, \
+ { PM_EVENT_SUSPEND, "suspend" }, \
+ { PM_EVENT_RESUME, "resume" }, \
+ { PM_EVENT_FREEZE, "freeze" }, \
+ { PM_EVENT_QUIESCE, "quiesce" }, \
+ { PM_EVENT_HIBERNATE, "hibernate" }, \
+ { PM_EVENT_THAW, "thaw" }, \
+ { PM_EVENT_RESTORE, "restore" }, \
+ { PM_EVENT_RECOVER, "recover" })
+
DEFINE_EVENT(cpu, cpu_frequency,
TP_PROTO(unsigned int frequency, unsigned int cpu_id),
@@ -97,58 +111,76 @@ DEFINE_EVENT(cpu, cpu_frequency,
TP_ARGS(frequency, cpu_id)
);
-TRACE_EVENT(machine_suspend,
+TRACE_EVENT(device_pm_callback_start,
- TP_PROTO(unsigned int state),
+ TP_PROTO(struct device *dev, const char *pm_ops, int event),
- TP_ARGS(state),
+ TP_ARGS(dev, pm_ops, event),
TP_STRUCT__entry(
- __field( u32, state )
+ __string(device, dev_name(dev))
+ __string(driver, dev_driver_string(dev))
+ __string(parent, dev->parent ? dev_name(dev->parent) : "none")
+ __string(pm_ops, pm_ops ? pm_ops : "none ")
+ __field(int, event)
),
TP_fast_assign(
- __entry->state = state;
+ __assign_str(device, dev_name(dev));
+ __assign_str(driver, dev_driver_string(dev));
+ __assign_str(parent,
+ dev->parent ? dev_name(dev->parent) : "none");
+ __assign_str(pm_ops, pm_ops ? pm_ops : "none ");
+ __entry->event = event;
),
- TP_printk("state=%lu", (unsigned long)__entry->state)
+ TP_printk("%s %s, parent: %s, %s[%s]", __get_str(driver),
+ __get_str(device), __get_str(parent), __get_str(pm_ops),
+ pm_verb_symbolic(__entry->event))
);
-TRACE_EVENT(device_pm_report_time,
+TRACE_EVENT(device_pm_callback_end,
- TP_PROTO(struct device *dev, const char *pm_ops, s64 ops_time,
- char *pm_event_str, int error),
+ TP_PROTO(struct device *dev, int error),
- TP_ARGS(dev, pm_ops, ops_time, pm_event_str, error),
+ TP_ARGS(dev, error),
TP_STRUCT__entry(
__string(device, dev_name(dev))
__string(driver, dev_driver_string(dev))
- __string(parent, dev->parent ? dev_name(dev->parent) : "none")
- __string(pm_ops, pm_ops ? pm_ops : "none ")
- __string(pm_event_str, pm_event_str)
- __field(s64, ops_time)
__field(int, error)
),
TP_fast_assign(
- const char *tmp = dev->parent ? dev_name(dev->parent) : "none";
- const char *tmp_i = pm_ops ? pm_ops : "none ";
-
__assign_str(device, dev_name(dev));
__assign_str(driver, dev_driver_string(dev));
- __assign_str(parent, tmp);
- __assign_str(pm_ops, tmp_i);
- __assign_str(pm_event_str, pm_event_str);
- __entry->ops_time = ops_time;
__entry->error = error;
),
- /* ops_str has an extra space at the end */
- TP_printk("%s %s parent=%s state=%s ops=%snsecs=%lld err=%d",
- __get_str(driver), __get_str(device), __get_str(parent),
- __get_str(pm_event_str), __get_str(pm_ops),
- __entry->ops_time, __entry->error)
+ TP_printk("%s %s, err=%d",
+ __get_str(driver), __get_str(device), __entry->error)
+);
+
+TRACE_EVENT(suspend_resume,
+
+ TP_PROTO(const char *action, int val, bool start),
+
+ TP_ARGS(action, val, start),
+
+ TP_STRUCT__entry(
+ __field(const char *, action)
+ __field(int, val)
+ __field(bool, start)
+ ),
+
+ TP_fast_assign(
+ __entry->action = action;
+ __entry->val = val;
+ __entry->start = start;
+ ),
+
+ TP_printk("%s[%u] %s", __entry->action, (unsigned int)__entry->val,
+ (__entry->start)?"begin":"end")
);
DECLARE_EVENT_CLASS(wakeup_source,