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yaml
---
r: 288788
b: refs/heads/master
c: 01f71b4
h: refs/heads/master
v: v3
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John Stultz committed Jan 27, 2012
1 parent 9eaaf37 commit be9edb0
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Showing 2 changed files with 11 additions and 14 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8ff2cb92dd1afcf23e7b5287c43a900b16f40bad
refs/heads/master: 01f71b47e08f2a062c4e77c94dfa9a7e0ae65fcb
23 changes: 10 additions & 13 deletions trunk/kernel/time/timekeeping.c
Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,8 @@ struct timekeeper {
struct timespec wall_to_monotonic;
/* time spent in suspend */
struct timespec total_sleep_time;

/* The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. */
struct timespec raw_time;
};

static struct timekeeper timekeeper;
Expand Down Expand Up @@ -164,10 +165,6 @@ __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock);



/*
* The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock.
*/
static struct timespec raw_time;

/* flag for if timekeeping is suspended */
int __read_mostly timekeeping_suspended;
Expand Down Expand Up @@ -208,7 +205,7 @@ static void timekeeping_forward_now(void)
timespec_add_ns(&timekeeper.xtime, nsec);

nsec = clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift);
timespec_add_ns(&raw_time, nsec);
timespec_add_ns(&timekeeper.raw_time, nsec);
}

/**
Expand Down Expand Up @@ -320,7 +317,7 @@ void getnstime_raw_and_real(struct timespec *ts_raw, struct timespec *ts_real)

seq = read_seqbegin(&xtime_lock);

*ts_raw = raw_time;
*ts_raw = timekeeper.raw_time;
*ts_real = timekeeper.xtime;

nsecs_raw = timekeeping_get_ns_raw();
Expand Down Expand Up @@ -499,7 +496,7 @@ void getrawmonotonic(struct timespec *ts)
do {
seq = read_seqbegin(&xtime_lock);
nsecs = timekeeping_get_ns_raw();
*ts = raw_time;
*ts = timekeeper.raw_time;

} while (read_seqretry(&xtime_lock, seq));

Expand Down Expand Up @@ -590,8 +587,8 @@ void __init timekeeping_init(void)

timekeeper.xtime.tv_sec = now.tv_sec;
timekeeper.xtime.tv_nsec = now.tv_nsec;
raw_time.tv_sec = 0;
raw_time.tv_nsec = 0;
timekeeper.raw_time.tv_sec = 0;
timekeeper.raw_time.tv_nsec = 0;
if (boot.tv_sec == 0 && boot.tv_nsec == 0) {
boot.tv_sec = timekeeper.xtime.tv_sec;
boot.tv_nsec = timekeeper.xtime.tv_nsec;
Expand Down Expand Up @@ -958,13 +955,13 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift)

/* Accumulate raw time */
raw_nsecs = timekeeper.raw_interval << shift;
raw_nsecs += raw_time.tv_nsec;
raw_nsecs += timekeeper.raw_time.tv_nsec;
if (raw_nsecs >= NSEC_PER_SEC) {
u64 raw_secs = raw_nsecs;
raw_nsecs = do_div(raw_secs, NSEC_PER_SEC);
raw_time.tv_sec += raw_secs;
timekeeper.raw_time.tv_sec += raw_secs;
}
raw_time.tv_nsec = raw_nsecs;
timekeeper.raw_time.tv_nsec = raw_nsecs;

/* Accumulate error between NTP and clock interval */
timekeeper.ntp_error += tick_length << shift;
Expand Down

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