/* Structure holding internal timekeeping values. */
struct timekeeper {
/* Current clocksource used for timekeeping. */
- struct clocksource *clock;
+ struct clocksource *clock;
/* NTP adjusted clock multiplier */
- u32 mult;
+ u32 mult;
/* The shift value of the current clocksource. */
- int shift;
-
+ int shift;
/* Number of clock cycles in one NTP interval. */
- cycle_t cycle_interval;
+ cycle_t cycle_interval;
/* Number of clock shifted nano seconds in one NTP interval. */
- u64 xtime_interval;
+ u64 xtime_interval;
/* shifted nano seconds left over when rounding cycle_interval */
- s64 xtime_remainder;
+ s64 xtime_remainder;
/* Raw nano seconds accumulated per NTP interval. */
- u32 raw_interval;
+ u32 raw_interval;
/* Clock shifted nano seconds remainder not stored in xtime.tv_nsec. */
- u64 xtime_nsec;
+ u64 xtime_nsec;
/* Difference between accumulated time and NTP time in ntp
* shifted nano seconds. */
- s64 ntp_error;
+ s64 ntp_error;
/* Shift conversion between clock shifted nano seconds and
* ntp shifted nano seconds. */
- int ntp_error_shift;
+ int ntp_error_shift;
/* The current time */
- struct timespec xtime;
+ struct timespec xtime;
/*
* wall_to_monotonic is what we need to add to xtime (or xtime corrected
* for sub jiffie times) to get to monotonic time. Monotonic is pegged
* - wall_to_monotonic is no longer the boot time, getboottime must be
* used instead.
*/
- struct timespec wall_to_monotonic;
+ struct timespec wall_to_monotonic;
/* time spent in suspend */
- struct timespec total_sleep_time;
+ struct timespec total_sleep_time;
/* The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. */
- struct timespec raw_time;
-
+ struct timespec raw_time;
/* Offset clock monotonic -> clock realtime */
- ktime_t offs_real;
-
+ ktime_t offs_real;
/* Offset clock monotonic -> clock boottime */
- ktime_t offs_boot;
-
+ ktime_t offs_boot;
/* Seqlock for all timekeeper values */
- seqlock_t lock;
+ seqlock_t lock;
};
static struct timekeeper timekeeper;
{
unsigned long seq;
u64 ret;
+
do {
seq = read_seqbegin(&timekeeper.lock);