Messages in this thread | | | Subject | Re: [GIT pull] printk updates for 4.15 | From | Joe Perches <> | Date | Tue, 14 Nov 2017 15:00:04 -0800 |
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On Tue, 2017-11-14 at 23:50 +0100, Thomas Gleixner wrote: > Something like the untested patch below should do the storage and converts > the primary timestamp from local_clock() to clock monotonic.
trivia:
> --- a/kernel/printk/printk.c > +++ b/kernel/printk/printk.c > @@ -352,7 +352,11 @@ enum log_flags { > }; > > struct printk_log { > - u64 ts_nsec; /* timestamp in nanoseconds */ > + /* Timestamps in nanoseconds */ > + union { > + u64 ts_nsec; > + struct timestamps ts;
struct timestamps could probably use a better name
> --- a/include/linux/timekeeping.h > +++ b/include/linux/timekeeping.h > @@ -146,7 +146,19 @@ extern void timekeeping_inject_sleeptime > * PPS accessor > */ > extern void ktime_get_raw_and_real_ts64(struct timespec64 *ts_raw, > - struct timespec64 *ts_real); > + struct timespec64 *ts_real); > + > +/* > + * struct timestanps - Simultaneous mono/boot/real timestamps
typo timestamps
> + * @mono: Monotonic timestamp > + * @boot: Boottime timestamp > + * @real: Realtime timestamp > + */ > +struct timestamps { > + u64 mono; > + u64 boot; > + u64 real; > +};
Maybe something like struct system_event_timestamps ?
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