Commit | Line | Data |
---|---|---|
5c83545f CC |
1 | #ifndef _TIMEKEEPING_INTERNAL_H |
2 | #define _TIMEKEEPING_INTERNAL_H | |
3 | /* | |
4 | * timekeeping debug functions | |
5 | */ | |
3a978377 | 6 | #include <linux/clocksource.h> |
5c83545f CC |
7 | #include <linux/time.h> |
8 | ||
9 | #ifdef CONFIG_DEBUG_FS | |
7d489d15 | 10 | extern void tk_debug_account_sleep_time(struct timespec64 *t); |
5c83545f CC |
11 | #else |
12 | #define tk_debug_account_sleep_time(x) | |
13 | #endif | |
14 | ||
09ec5442 TG |
15 | #ifdef CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE |
16 | static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask) | |
17 | { | |
18 | cycle_t ret = (now - last) & mask; | |
19 | ||
20 | return (s64) ret > 0 ? ret : 0; | |
21 | } | |
22 | #else | |
3a978377 TG |
23 | static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask) |
24 | { | |
25 | return (now - last) & mask; | |
26 | } | |
09ec5442 | 27 | #endif |
3a978377 | 28 | |
5c83545f | 29 | #endif /* _TIMEKEEPING_INTERNAL_H */ |