diff options
| author | Santosh Shukla <santosh.shukla@linaro.org> | 2014-11-17 10:51:18 +0530 |
|---|---|---|
| committer | Santosh Shukla <sshukla@mvista.com> | 2014-11-17 10:53:03 +0530 |
| commit | 0e00184e8e22e48446b738dce19bf2fc20e7d5c7 (patch) | |
| tree | 4bb97a478bdd9a52b4f5b730cefbd649ef55e8c2 | |
| parent | 1ee5fe67718f3cf254850c899abad195dc19b94c (diff) | |
tracepoint: arch_arm_mode: set timer mode debug tracepoint
arch_arm_timer mode tracepoint to debug previous and current mode
status.
Signed-off-by: Santosh Shukla <santosh.shukla@linaro.org>
| -rw-r--r-- | drivers/clocksource/arm_arch_timer.c | 4 | ||||
| -rw-r--r-- | include/trace/events/timer.h | 19 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 7a888946fef4..ee2ef96d2956 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -178,10 +178,14 @@ static irqreturn_t arch_timer_handler_virt_mem(int irq, void *dev_id) return timer_handler(ARCH_TIMER_MEM_VIRT_ACCESS, evt); } +#include <trace/events/timer.h> static __always_inline int timer_set_mode(const int access, int mode, struct clock_event_device *clk) { unsigned long ctrl; + + trace_arch_set_mode(clk->mode, mode); + switch (mode) { case CLOCK_EVT_MODE_UNUSED: case CLOCK_EVT_MODE_SHUTDOWN: diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h index 8a44722f911e..c022af2dc704 100644 --- a/include/trace/events/timer.h +++ b/include/trace/events/timer.h @@ -202,6 +202,25 @@ TRACE_EVENT(hrtimer_spurious, TP_printk("count:%d", __entry->count) ); +TRACE_EVENT(arch_set_mode, + + TP_PROTO(int cur_mode, int new_mode), + + TP_ARGS(cur_mode, new_mode), + + TP_STRUCT__entry( + __field( int, cur_mode ) + __field( int, new_mode ) + ), + + TP_fast_assign( + __entry->cur_mode = cur_mode; + __entry->new_mode = new_mode; + ), + + TP_printk("cur_mode:%d new_mode:%d", __entry->cur_mode, __entry->new_mode) +); + /** * hrtimer_expire_entry - called immediately before the hrtimer callback * @hrtimer: pointer to struct hrtimer |