972774 - [b2g][tarako] Typing keyboard continuously will cause that CPU utilization is too high. Then the sound will be choppy and delayed.

Status: RESOLVED FIXED

(Core :: Audio/Video, defect)

Comment 1

[Wayne Chen [:xwaynec]]

Attachment: Screen Shot 2014-02-13 at 3.13.15 PM.png

Comment 2

[Wayne Chen [:xwaynec]]

Typing keyboard continuously will cause that CPU utilization is too high. Then the sound will be choppy and delayed. The following is captured by Linux top command. and attachment 8376122 [details] is the situation for choppy sound.

User 75%, System 24%, IOW 0%, IRQ 0%
User 84 + Nice 4 + Sys 28 + Idle 0 + IOW 0 + IRQ 0 + SIRQ 0 = 116

  PID   TID PR CPU% S     VSS     RSS PCY UID      Thread          Proc
   82    82  0  47% S 142972K  40448K  fg root     b2g             /system/b2g/b2g
 3067  3067  0  20% S  55944K   2804K  fg root     (Preallocated a /system/b2g/plugin-container
 3545  3545  0   6% R   1056K    468K  fg root     top             top
  342   342  0   5% S  52880K   3056K  fg root     (Nuwa)          /system/b2g/plugin-container
 1003  1003  0   2% R  63224K  19736K  fg app_1003 Messages        /system/b2g/plugin-container
   82   324  0   2% S 142972K  40448K  fg root     Compositor      /system/b2g/b2g
 2853  2853  0   1% S    768K    332K  fg root     oom-msg-logger  /system/bin/sh
   55    55  0   0% S      0K      0K unk root     irq/98-ms-msg21 
   82  3567  0   0% S 142972K  40448K  fg root     Indexed~ans #74 /system/b2g/b2g
   82   303  0   0% S 142972K  40448K  fg root     Gecko_IOThread  /system/b2g/b2g

Comment 3

[Wayne Chen [:xwaynec]]

already merged to gaia/v1.3t 4575261ef9f0fdb74d7324440e57797ee74fa8ca

Comment 4

[Bruce Sun [:brsun]]

(In reply to Wayne Chen [:xwaynec] from comment #3)
> already merged to gaia/v1.3t 4575261ef9f0fdb74d7324440e57797ee74fa8ca

This commit is from https://bugzilla.mozilla.org/show_bug.cgi?id=917193