Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 7 Feb 2024 22:30:58 +0100 | Subject | Re: [PATCH v1] PM: sleep: Restore asynchronous device resume optimization | From | Marek Szyprowski <> |
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On 07.02.2024 20:48, Tejun Heo wrote: > Hello, > > I couldn't reproduce effective max_active being pushed down to min_active > across suspend/resume cycles on x86. There gotta be something different. > > - Can you please apply the following patch along with the WQ_DFL_MIN_ACTIVE > bump, go through suspend/resume once and report the dmesg?
Here is the relevant part of the log:
PM: suspend entry (deep) Filesystems sync: 0.004 seconds Freezing user space processes Freezing user space processes completed (elapsed 0.002 seconds) OOM killer disabled. Freezing remaining freezable tasks Freezing remaining freezable tasks completed (elapsed 0.002 seconds) dwc2 12480000.usb: suspending usb gadget g_ether dwc2 12480000.usb: new device is full-speed smsc95xx 1-2:1.0 eth0: entering SUSPEND2 mode wake enabled for irq 97 (gpx3-2) usb3503 0-0008: switched to STANDBY mode wake enabled for irq 124 (gpx1-3) samsung-pinctrl 11000000.pinctrl: Setting external wakeup interrupt mask: 0xfbfff7ff Disabling non-boot CPUs ... XXX wq_update_node_max_active: wq=events_unbound off_cpu=1 total=3 range=[32, 512] node[0] node_cpus=3 max=512 XXX wq_update_node_max_active: wq=events_unbound off_cpu=2 total=2 range=[32, 512] node[0] node_cpus=2 max=512 XXX wq_update_node_max_active: wq=events_unbound off_cpu=3 total=1 range=[32, 512] node[0] node_cpus=1 max=512 Enabling non-boot CPUs ... XXX wq_update_node_max_active: wq=events_unbound off_cpu=-1 total=2 range=[32, 512] node[0] node_cpus=2 max=512 CPU1 is up XXX wq_update_node_max_active: wq=events_unbound off_cpu=-1 total=3 range=[32, 512] node[0] node_cpus=3 max=512 CPU2 is up XXX wq_update_node_max_active: wq=events_unbound off_cpu=-1 total=4 range=[32, 512] node[0] node_cpus=4 max=512 CPU3 is up s3c-i2c 138e0000.i2c: slave address 0x00 s3c-i2c 138e0000.i2c: bus frequency set to 97 KHz s3c-i2c 13870000.i2c: slave address 0x00 s3c-i2c 13870000.i2c: bus frequency set to 97 KHz s3c-i2c 13860000.i2c: slave address 0x00 s3c-i2c 13860000.i2c: bus frequency set to 390 KHz s3c-i2c 13880000.i2c: slave address 0x00 s3c-i2c 13880000.i2c: bus frequency set to 97 KHz s3c2410-wdt 10060000.watchdog: watchdog disabled wake disabled for irq 124 (gpx1-3) s3c-rtc 10070000.rtc: rtc disabled, re-enabling usb3503 0-0008: switched to HUB mode wake disabled for irq 97 (gpx3-2) usb usb1: root hub lost power or was reset usb 1-2: reset high-speed USB device number 2 using exynos-ehci smsc95xx 1-2:1.0 eth0: Link is Down dwc2 12480000.usb: resuming usb gadget g_ether usb 1-3: reset high-speed USB device number 3 using exynos-ehci usb 1-3.1: reset high-speed USB device number 4 using exynos-ehci OOM killer enabled. Restarting tasks ... done. random: crng reseeded on system resumption PM: suspend exit
> ...
Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland
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