2.5 KiB
[ 112.383265] !!!send!!! [ 112.385839] PM: suspend entry (deep) [ 112.408795] Filesystems sync: 0.019 seconds [ 112.413000] Preparing system for sleep (deep) [ 112.417415] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 112.425732] OOM killer disabled. [ 112.428977] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 112.437524] Suspending system (deep) [ 112.441131] printk: Suspending console(s) (use no_console_suspend to debug)
S3 睡眠 60ms 445-385=56ms 打印的问题 454-385=70ms
[ 112.450915] acme_wdt_disable [ 112.452937] acme_wdt_timer_disable cpu0 [ 112.453122] suspend of devices complete after 4.625 msecs [ 112.453131] start suspend of devices complete after 5.018 msecs [ 112.453666] late suspend of devices complete after 0.526 msecs [ 112.454213] noirq suspend of devices complete after 0.405 msecs [ 112.454219] Disabling non-boot CPUs ... [ 112.454224] Checking wakeup interrupts [ 112.454247] Calling sched_clock_suspend+0x0/0x34 [ 112.454249] Calling timekeeping_suspend+0x0/0x1c4 [ 112.454249] Calling cpu_pm_suspend+0x0/0x1c 是不是这里打印被憋住了？ 是因为串口被suspend Resume_devices:
[ 112.454249] Calling cpu_pm_resume+0x0/0x18 [ 112.454249] Calling irq_pm_syscore_resume+0x0/0x18 [ 112.454249] Calling timekeeping_resume+0x0/0x124 [ 112.454249] Timekeeping suspended for 0.792 seconds [ 112.454249] Calling sched_clock_resume+0x0/0x4c [ 112.454587] noirq resume of devices complete after 0.323 msecs [ 112.454981] early resume of devices complete after 0.303 msecs [ 112.455086] acme_wdt_enable 0 [ 112.455157] acme_wdt_timer_enable cpu0 [ 112.457176] (isp_m_drv_resume, 99)isp driver resume [ 112.457284] resume of devices complete after 2.292 msecs [ 112.475731] !!!result!!! 又过了25ms ？？？ [ 112.562846] Finishing wakeup. [ 112.565827] OOM killer enabled. [ 112.568980] Restarting tasks ... done. [ 112.573504] PM: suspend exit
[ 150.605756] !!!send!!! [ 150.608891] PM: suspend entry (deep) [ 150.631876] Filesystems sync: 0.019 seconds [ 150.636080] Preparing system for sleep (deep) [ 150.640496] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 150.648825] OOM killer disabled. [ 150.652069] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 150.660613] Suspending system (deep) [ 150.664222] printk: Suspending console(s) (use no_console_suspend to debug)
3 睡眠 60ms 664-605=59