projects / deliverable / linux.git / blame
| 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 */ |