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| author | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
|---|---|---|
| committer | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
| commit | d2e1446d81725c351dc73a03b397ce043fb18452 (patch) | |
| tree | 4dbc616b7f92aea39cd697a9084205ddb805e344 /include/linux/mt_sched_mon.h | |
| download | android_kernel_m2note-d2e1446d81725c351dc73a03b397ce043fb18452.tar.gz | |
first commit
Diffstat (limited to 'include/linux/mt_sched_mon.h')
| -rw-r--r-- | include/linux/mt_sched_mon.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/linux/mt_sched_mon.h b/include/linux/mt_sched_mon.h new file mode 100644 index 000000000..e3c4f93f1 --- /dev/null +++ b/include/linux/mt_sched_mon.h @@ -0,0 +1,80 @@ +/*CPU holding event: ISR/SoftIRQ/Tasklet/Timer*/ +struct sched_block_event { + int type; + unsigned long cur_event; + unsigned long last_event; + unsigned long long cur_ts; + unsigned long long last_ts; + unsigned long long last_te; + + unsigned long cur_count; + unsigned long last_count; + + int preempt_count; +}; +DECLARE_PER_CPU(struct sched_block_event, ISR_mon); +DECLARE_PER_CPU(struct sched_block_event, SoftIRQ_mon); +DECLARE_PER_CPU(struct sched_block_event, tasklet_mon); +DECLARE_PER_CPU(struct sched_block_event, hrt_mon); +DECLARE_PER_CPU(struct sched_block_event, sft_mon); + +DECLARE_PER_CPU(int, mt_timer_irq); +extern void mt_trace_ISR_start(int id); +extern void mt_trace_ISR_end(int id); +extern void mt_trace_SoftIRQ_start(int id); +extern void mt_trace_SoftIRQ_end(int id); +extern void mt_trace_tasklet_start(void *func); +extern void mt_trace_tasklet_end(void *func); +extern void mt_trace_hrt_start(void *func); +extern void mt_trace_hrt_end(void *func); +extern void mt_trace_sft_start(void *func); +extern void mt_trace_sft_end(void *func); + +extern void mt_save_irq_counts(void); +extern void mt_show_last_irq_counts(void); +extern void mt_show_current_irq_counts(void); + +/*Schedule disable event: IRQ/Preempt disable monitor*/ +struct sched_stop_event { + unsigned long long cur_ts; + unsigned long long last_ts; + unsigned long long last_te; +}; +DECLARE_PER_CPU(struct sched_stop_event, IRQ_disable_mon); +DECLARE_PER_CPU(struct sched_stop_event, Preempt_disable_mon); +extern void MT_trace_irq_on(void); +extern void MT_trace_irq_off(void); +extern void MT_trace_preempt_on(void); +extern void MT_trace_preempt_off(void); +/* [IRQ-disable] White List + * Flags for special scenario*/ +DECLARE_PER_CPU(int, MT_trace_in_sched); +DECLARE_PER_CPU(int, MT_trace_in_resume_console); + +extern void mt_aee_dump_sched_traces(void); +extern void mt_dump_sched_traces(void); + +DECLARE_PER_CPU(int, mtsched_mon_enabled); +DECLARE_PER_CPU(unsigned long long, local_timer_ts); +DECLARE_PER_CPU(unsigned long long, local_timer_te); + +#define MT_LOCAL_TIMER_IRQ 29 +#define MT_LOCAL_WDT_IRQ 3 +#define MAX_NR_IRQS 512 + +#ifdef CONFIG_MT_SCHED_MONITOR +#define mt_sched_mon_disable(sflag) \ +do { \ + sflag = __raw_get_cpu_var(mtsched_mon_enabled); \ + __raw_get_cpu_var(mtsched_mon_enabled) = 0; \ +} while (0) + +#define mt_sched_mon_restore(sflag) \ +do { \ + __raw_get_cpu_var(mtsched_mon_enabled) = sflag; \ +} while (0) +#else + +#define mt_sched_mon_disable(sflag) do {} while (0) +#define mt_sched_mon_restore(sflag) do {} while (0) +#endif |