mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2025-01-11 23:50:25 +00:00
s390: add trace events for idle enter/exit
Helpful for debugging. Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
parent
7b7735c5be
commit
6589c93f99
@ -14,6 +14,7 @@
|
|||||||
#include <linux/init.h>
|
#include <linux/init.h>
|
||||||
#include <linux/cpu.h>
|
#include <linux/cpu.h>
|
||||||
#include <linux/sched/cputime.h>
|
#include <linux/sched/cputime.h>
|
||||||
|
#include <trace/events/power.h>
|
||||||
#include <asm/nmi.h>
|
#include <asm/nmi.h>
|
||||||
#include <asm/smp.h>
|
#include <asm/smp.h>
|
||||||
#include "entry.h"
|
#include "entry.h"
|
||||||
@ -32,11 +33,12 @@ void enabled_wait(void)
|
|||||||
PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK;
|
PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK;
|
||||||
clear_cpu_flag(CIF_NOHZ_DELAY);
|
clear_cpu_flag(CIF_NOHZ_DELAY);
|
||||||
|
|
||||||
|
trace_cpu_idle_rcuidle(1, smp_processor_id());
|
||||||
local_irq_save(flags);
|
local_irq_save(flags);
|
||||||
/* Call the assembler magic in entry.S */
|
/* Call the assembler magic in entry.S */
|
||||||
psw_idle(idle, psw_mask);
|
psw_idle(idle, psw_mask);
|
||||||
local_irq_restore(flags);
|
local_irq_restore(flags);
|
||||||
|
trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
|
||||||
|
|
||||||
/* Account time spent with enabled wait psw loaded as idle time. */
|
/* Account time spent with enabled wait psw loaded as idle time. */
|
||||||
write_seqcount_begin(&idle->seqcount);
|
write_seqcount_begin(&idle->seqcount);
|
||||||
|
Loading…
x
Reference in New Issue
Block a user