openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity
linux/include/trace/events/rpm.h

101 lines
2.3 KiB
C
Raw Normal View History

PM / Runtime: Introduce trace points for tracing rpm_* functions This patch introduces 3 trace points to prepare for tracing rpm_idle/rpm_suspend/rpm_resume functions, so we can use these trace points to replace the current dev_dbg(). Signed-off-by: Ming Lei <ming.lei@canonical.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-09-28 04:53:27 +08:00
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rpm
#if !defined(_TRACE_RUNTIME_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_RUNTIME_POWER_H
#include <linux/ktime.h>
#include <linux/tracepoint.h>
device.h: audit and cleanup users in main include dir The <linux/device.h> header includes a lot of stuff, and it in turn gets a lot of use just for the basic "struct device" which appears so often. Clean up the users as follows: 1) For those headers only needing "struct device" as a pointer in fcn args, replace the include with exactly that. 2) For headers not really using anything from device.h, simply delete the include altogether. 3) For headers relying on getting device.h implicitly before being included themselves, now explicitly include device.h 4) For files in which doing #1 or #2 uncovers an implicit dependency on some other header, fix by explicitly adding the required header(s). Any C files that were implicitly relying on device.h to be present have already been dealt with in advance. Total removals from #1 and #2: 51. Total additions coming from #3: 9. Total other implicit dependencies from #4: 7. As of 3.3-rc1, there were 110, so a net removal of 42 gives about a 38% reduction in device.h presence in include/* Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2012-01-31 00:46:54 +08:00
struct device;
PM / Runtime: Introduce trace points for tracing rpm_* functions This patch introduces 3 trace points to prepare for tracing rpm_idle/rpm_suspend/rpm_resume functions, so we can use these trace points to replace the current dev_dbg(). Signed-off-by: Ming Lei <ming.lei@canonical.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-09-28 04:53:27 +08:00
/*
* The rpm_internal events are used for tracing some important
* runtime pm internal functions.
*/
DECLARE_EVENT_CLASS(rpm_internal,
TP_PROTO(struct device *dev, int flags),
TP_ARGS(dev, flags),
TP_STRUCT__entry(
__string( name, dev_name(dev) )
__field( int, flags )
__field( int , usage_count )
__field( int , disable_depth )
__field( int , runtime_auto )
__field( int , request_pending )
__field( int , irq_safe )
__field( int , child_count )
),
TP_fast_assign(
__assign_str(name, dev_name(dev));
__entry->flags = flags;
__entry->usage_count = atomic_read(
&dev->power.usage_count);
__entry->disable_depth = dev->power.disable_depth;
__entry->runtime_auto = dev->power.runtime_auto;
__entry->request_pending = dev->power.request_pending;
__entry->irq_safe = dev->power.irq_safe;
__entry->child_count = atomic_read(
&dev->power.child_count);
),
TP_printk("%s flags-%x cnt-%-2d dep-%-2d auto-%-1d p-%-1d"
" irq-%-1d child-%d",
__get_str(name), __entry->flags,
__entry->usage_count,
__entry->disable_depth,
__entry->runtime_auto,
__entry->request_pending,
__entry->irq_safe,
__entry->child_count
)
);
DEFINE_EVENT(rpm_internal, rpm_suspend,
TP_PROTO(struct device *dev, int flags),
TP_ARGS(dev, flags)
);
DEFINE_EVENT(rpm_internal, rpm_resume,
TP_PROTO(struct device *dev, int flags),
TP_ARGS(dev, flags)
);
DEFINE_EVENT(rpm_internal, rpm_idle,
TP_PROTO(struct device *dev, int flags),
TP_ARGS(dev, flags)
);
TRACE_EVENT(rpm_return_int,
TP_PROTO(struct device *dev, unsigned long ip, int ret),
TP_ARGS(dev, ip, ret),
TP_STRUCT__entry(
__string( name, dev_name(dev))
__field( unsigned long, ip )
__field( int, ret )
),
TP_fast_assign(
__assign_str(name, dev_name(dev));
__entry->ip = ip;
__entry->ret = ret;
),
TP_printk("%pS:%s ret=%d", (void *)__entry->ip, __get_str(name),
__entry->ret)
);
#endif /* _TRACE_RUNTIME_POWER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>