* This is default implementation.
* Architectures and sub-architectures can override this.
*/
-unsigned long long __weak sched_clock(void)
+notrace unsigned long long __weak sched_clock(void)
{
return (unsigned long long)(jiffies - INITIAL_JIFFIES)
* (NSEC_PER_SEC / HZ);
static DEFINE_PER_CPU_SHARED_ALIGNED(struct sched_clock_data, sched_clock_data);
-static inline struct sched_clock_data *this_scd(void)
+notrace static inline struct sched_clock_data *this_scd(void)
{
return this_cpu_ptr(&sched_clock_data);
}
-static inline struct sched_clock_data *cpu_sdc(int cpu)
+notrace static inline struct sched_clock_data *cpu_sdc(int cpu)
{
return &per_cpu(sched_clock_data, cpu);
}
-int sched_clock_stable(void)
+notrace int sched_clock_stable(void)
{
return static_branch_likely(&__sched_clock_stable);
}
-static void __scd_stamp(struct sched_clock_data *scd)
+notrace static void __scd_stamp(struct sched_clock_data *scd)
{
scd->tick_gtod = ktime_get_ns();
scd->tick_raw = sched_clock();
}
-static void __set_sched_clock_stable(void)
+notrace static void __set_sched_clock_stable(void)
{
struct sched_clock_data *scd;
* The only way to fully avoid random clock jumps is to boot with:
* "tsc=unstable".
*/
-static void __sched_clock_work(struct work_struct *work)
+notrace static void __sched_clock_work(struct work_struct *work)
{
struct sched_clock_data *scd;
int cpu;
static DECLARE_WORK(sched_clock_work, __sched_clock_work);
-static void __clear_sched_clock_stable(void)
+notrace static void __clear_sched_clock_stable(void)
{
if (!sched_clock_stable())
return;
schedule_work(&sched_clock_work);
}
-void clear_sched_clock_stable(void)
+notrace void clear_sched_clock_stable(void)
{
__sched_clock_stable_early = 0;
__clear_sched_clock_stable();
}
-static void __sched_clock_gtod_offset(void)
+notrace static void __sched_clock_gtod_offset(void)
{
struct sched_clock_data *scd = this_scd();
* min, max except they take wrapping into account
*/
-static inline u64 wrap_min(u64 x, u64 y)
+notrace static inline u64 wrap_min(u64 x, u64 y)
{
return (s64)(x - y) < 0 ? x : y;
}
-static inline u64 wrap_max(u64 x, u64 y)
+notrace static inline u64 wrap_max(u64 x, u64 y)
{
return (s64)(x - y) > 0 ? x : y;
}
* - filter out backward motion
* - use the GTOD tick value to create a window to filter crazy TSC values
*/
-static u64 sched_clock_local(struct sched_clock_data *scd)
+notrace static u64 sched_clock_local(struct sched_clock_data *scd)
{
u64 now, clock, old_clock, min_clock, max_clock, gtod;
s64 delta;
return clock;
}
-static u64 sched_clock_remote(struct sched_clock_data *scd)
+notrace static u64 sched_clock_remote(struct sched_clock_data *scd)
{
struct sched_clock_data *my_scd = this_scd();
u64 this_clock, remote_clock;
*
* See cpu_clock().
*/
-u64 sched_clock_cpu(int cpu)
+notrace u64 sched_clock_cpu(int cpu)
{
struct sched_clock_data *scd;
u64 clock;
}
EXPORT_SYMBOL_GPL(sched_clock_cpu);
-void sched_clock_tick(void)
+notrace void sched_clock_tick(void)
{
struct sched_clock_data *scd;
sched_clock_local(scd);
}
-void sched_clock_tick_stable(void)
+notrace void sched_clock_tick_stable(void)
{
if (!sched_clock_stable())
return;
/*
* We are going deep-idle (irqs are disabled):
*/
-void sched_clock_idle_sleep_event(void)
+notrace void sched_clock_idle_sleep_event(void)
{
sched_clock_cpu(smp_processor_id());
}
/*
* We just idled; resync with ktime.
*/
-void sched_clock_idle_wakeup_event(void)
+notrace void sched_clock_idle_wakeup_event(void)
{
unsigned long flags;
local_irq_enable();
}
-u64 sched_clock_cpu(int cpu)
+notrace u64 sched_clock_cpu(int cpu)
{
if (!static_branch_likely(&sched_clock_running))
return 0;
* On bare metal this function should return the same as local_clock.
* Architectures and sub-architectures can override this.
*/
-u64 __weak running_clock(void)
+notrace u64 __weak running_clock(void)
{
return local_clock();
}