Re: [PATCH 1/1] mm: vmscan: Reduce throttling due to a failure to make progress

[Alexey Avramov]

>due to the
>underlying storage.

I agree.

>and send me the trace.out file please?

https://drive.google.com/file/d/1FBjAmXwXakWPPjcn6K-B50S04vyySQO6/view

Typical entries:

           Timer-10841   [006] ..... 14341.639496: mm_vmscan_throttled: nid=0 usec_timeout=100000 usect_delayed=100000 reason=VMSCAN_THROTTLE_WRITEBACK
           gmain-1246    [004] ..... 14341.639498: mm_vmscan_throttled: nid=0 usec_timeout=100000 usect_delayed=100000 reason=VMSCAN_THROTTLE_WRITEBACK
          php7.0-11149   [001] ..... 14341.647498: mm_vmscan_throttled: nid=0 usec_timeout=100000 usect_delayed=100000 reason=VMSCAN_THROTTLE_WRITEBACK
      obfs-local-908     [001] ..... 14341.651510: mm_vmscan_throttled: nid=0 usec_timeout=100000 usect_delayed=100000 reason=VMSCAN_THROTTLE_WRITEBACK
     Web Content-10876   [000] ..... 14341.651522: mm_vmscan_throttled: nid=0 usec_timeout=100000 usect_delayed=100000 reason=VMSCAN_THROTTLE_WRITEBACK
  NetworkManager-812     [004] ..... 14341.667495: mm_vmscan_throttled: nid=0 usec_timeout=100000 usect_delayed=100000 reason=VMSCAN_THROTTLE_WRITEBACK
             tor-941     [000] ..... 14341.667495: mm_vmscan_throttled: nid=0 usec_timeout=100000 usect_delayed=100000 reason=VMSCAN_THROTTLE_WRITEBACK
   IndexedDB #18-11165   [007] ..... 14341.667520: mm_vmscan_throttled: nid=0 usec_timeout=100000 usect_delayed=100000 reason=VMSCAN_THROTTLE_WRITEBACK
           Timer-10755   [002] ..... 14341.667538: mm_vmscan_throttled: nid=0 usec_timeout=100000 usect_delayed=100000 reason=VMSCAN_THROTTLE_WRITEBACK
     JS Watchdog-10884   [000] ..... 14341.699489: mm_vmscan_throttled: nid=0 usec_timeout=100000 usect_delayed=100000 reason=VMSCAN_THROTTLE_WRITEBACK