diff options
| author | Frederic Weisbecker <frederic@kernel.org> | 2026-05-08 16:16:41 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@kernel.org> | 2026-06-02 22:27:25 +0300 |
| commit | a5fe724e206ec7ff3ceb15b285d94316c7fe6c41 (patch) | |
| tree | 0a866a6dcd56ab36cffd9b3ab127be79d93332e3 /include/linux/kernel_stat.h | |
| parent | bd0c77cd46c63d02bc33dacdba56133ec1fe44a0 (diff) | |
| download | linux-a5fe724e206ec7ff3ceb15b285d94316c7fe6c41.tar.xz | |
tick/sched: Move dyntick-idle cputime accounting to cputime code
Although the dynticks-idle cputime accounting is necessarily tied to the
tick subsystem, the actual related accounting code has no business residing
there and should be part of the scheduler cputime code.
Move away the relevant pieces and state machine to where they belong.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Tested-by: Shrikanth Hegde <sshegde@linux.ibm.com>
Link: https://patch.msgid.link/20260508131647.43868-10-frederic@kernel.org
Diffstat (limited to 'include/linux/kernel_stat.h')
| -rw-r--r-- | include/linux/kernel_stat.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index ba65aad308a1..9343353ac7a3 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -35,9 +35,12 @@ enum cpu_usage_stat { struct kernel_cpustat { #ifdef CONFIG_NO_HZ_COMMON - int idle_dyntick; + bool idle_dyntick; + bool idle_elapse; + seqcount_t idle_sleeptime_seq; + u64 idle_entrytime; #endif - u64 cpustat[NR_STATS]; + u64 cpustat[NR_STATS]; }; struct kernel_stat { @@ -103,8 +106,11 @@ static inline unsigned long kstat_cpu_irqs_sum(unsigned int cpu) } #ifdef CONFIG_NO_HZ_COMMON -extern void kcpustat_dyntick_start(void); -extern void kcpustat_dyntick_stop(void); +extern void kcpustat_dyntick_start(u64 now); +extern void kcpustat_dyntick_stop(u64 now); +extern void kcpustat_irq_enter(u64 now); +extern void kcpustat_irq_exit(u64 now); + static inline bool kcpustat_idle_dyntick(void) { return __this_cpu_read(kernel_cpustat.idle_dyntick); |