On Thu, 20 Feb 2014, Alexey Perevalov wrote:
The subject line lacks any information in which part of the kernel you
are doing this.
> For extensibility purpose it's better to have _switch_ type mechanism
> for representing human readable CLOCKID* and HRMODE.
>
> Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com>
> ---
> include/trace/events/timer.h | 16 ++++++++++++----
> 1 file changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h
> index 68c2c20..185b2c6 100644
> --- a/include/trace/events/timer.h
> +++ b/include/trace/events/timer.h
> @@ -8,6 +8,16 @@
> #include <linux/hrtimer.h>
> #include <linux/timer.h>
>
> +#define clockid_to_string(clockid)
> \
> + __print_symbolic(clockid,
> \
> + { CLOCK_MONOTONIC, "CLOCK_MONOTONIC" },
> \
> + { CLOCK_REALTIME, "CLOCK_REALTIME" })
> +
> +#define hrmode_to_string(hrmode)
> \
> + __print_symbolic(hrmode,
> \
> + { HRTIMER_MODE_ABS, "HRTIMER_MODE_ABS" },
> \
> + { HRTIMER_MODE_REL, "HRTIMER_MODE_REL" })
> +
> DECLARE_EVENT_CLASS(timer_class,
>
> TP_PROTO(struct timer_list *timer),
> @@ -147,10 +157,8 @@ TRACE_EVENT(hrtimer_init,
> ),
>
> TP_printk("hrtimer=%p clockid=%s mode=%s", __entry->hrtimer,
> - __entry->clockid == CLOCK_REALTIME ?
> - "CLOCK_REALTIME" : "CLOCK_MONOTONIC",
> - __entry->mode == HRTIMER_MODE_ABS ?
> - "HRTIMER_MODE_ABS" : "HRTIMER_MODE_REL")
> + clockid_to_string(__entry->clockid),
> + hrmode_to_string(__entry->mode))
> );
>
> /**
> --
> 1.7.9.5
>
>
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