diff options
Diffstat (limited to 'kernel/sched_clock.c')
-rw-r--r-- | kernel/sched_clock.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c index 479ce5682d7c..5b496132c28a 100644 --- a/kernel/sched_clock.c +++ b/kernel/sched_clock.c | |||
@@ -236,6 +236,18 @@ void sched_clock_idle_wakeup_event(u64 delta_ns) | |||
236 | } | 236 | } |
237 | EXPORT_SYMBOL_GPL(sched_clock_idle_wakeup_event); | 237 | EXPORT_SYMBOL_GPL(sched_clock_idle_wakeup_event); |
238 | 238 | ||
239 | unsigned long long cpu_clock(int cpu) | ||
240 | { | ||
241 | unsigned long long clock; | ||
242 | unsigned long flags; | ||
243 | |||
244 | local_irq_save(flags); | ||
245 | clock = sched_clock_cpu(cpu); | ||
246 | local_irq_restore(flags); | ||
247 | |||
248 | return clock; | ||
249 | } | ||
250 | |||
239 | #else /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */ | 251 | #else /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */ |
240 | 252 | ||
241 | void sched_clock_init(void) | 253 | void sched_clock_init(void) |
@@ -251,17 +263,12 @@ u64 sched_clock_cpu(int cpu) | |||
251 | return sched_clock(); | 263 | return sched_clock(); |
252 | } | 264 | } |
253 | 265 | ||
254 | #endif /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */ | ||
255 | 266 | ||
256 | unsigned long long cpu_clock(int cpu) | 267 | unsigned long long cpu_clock(int cpu) |
257 | { | 268 | { |
258 | unsigned long long clock; | 269 | return sched_clock_cpu(cpu); |
259 | unsigned long flags; | 270 | } |
260 | 271 | ||
261 | local_irq_save(flags); | 272 | #endif /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */ |
262 | clock = sched_clock_cpu(cpu); | ||
263 | local_irq_restore(flags); | ||
264 | 273 | ||
265 | return clock; | ||
266 | } | ||
267 | EXPORT_SYMBOL_GPL(cpu_clock); | 274 | EXPORT_SYMBOL_GPL(cpu_clock); |