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[Bug 1293568] Re: indicator-datetime-service is being exec'd 3 times every minute

To: unity-api-bugs@xxxxxxxxxxxxxxxxxxx
From: Colin King <1293568@xxxxxxxxxxxxxxxxxx>
Date: Mon, 17 Mar 2014 16:15:10 -0000
Reply-to: Bug 1293568 <1293568@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
I'm also seeing this on phone images which is an even bigger impact on
battery life than on my laptop where I originally observed the issue.

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https://bugs.launchpad.net/bugs/1293568

Title:
  indicator-datetime-service is being exec'd 3 times every minute

Status in The Date and Time Indicator:
  New

Bug description:
  In a vain effort to try and figure out why Ubuntu is using up power on
  an idle system I observed regular periodic exec'ing of indicator-
  datetime-service every 60 seconds at about 2 seconds past the minute.
  I used the "forkstat" tool (PPA: colin-king/white) to monitor system
  activity on an idle system and observed:

  13:10:02 exit  7233      0    0.507 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:10:02 exit  7234      0    0.505 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:10:17 exit  7236      0   15.501 /usr/lib/evolution/evolution-calendar-factory
  13:10:17 exit  7235      0   15.505 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:11:02 fork  1519 parent          init --user
  13:11:02 fork  7237 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:11:02 fork  1519 parent          init --user
  13:11:02 fork  7238 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:11:02 fork  1519 parent          init --user
  13:11:02 fork  7239 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:11:02 fork  1519 parent          init --user
  13:11:02 fork  7240 child           /usr/lib/evolution/evolution-calendar-factory
  13:11:02 exit  7238      0    0.505 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:11:02 exit  7239      0    0.506 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:11:17 exit  7240      0   15.503 /usr/lib/evolution/evolution-calendar-factory
  13:11:17 exit  7237      0   15.506 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:12:02 fork  1519 parent          init --user
  13:12:02 fork  7241 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:12:02 fork  1519 parent          init --user
  13:12:02 fork  7242 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:12:02 fork  1519 parent          init --user
  13:12:02 fork  7243 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:12:02 fork  1519 parent          init --user
  13:12:02 fork  7244 child           /usr/lib/evolution/evolution-calendar-factory
  13:12:02 fork  1519 parent          init --user
  13:12:02 fork  7245 child           /usr/lib/evolution/evolution-calendar-factory
  13:12:02 exit  7241      0    0.520 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:12:02 exit  7244      0    0.517 /usr/lib/evolution/evolution-calendar-factory
  13:12:02 exit  7243      0    0.521 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:12:17 exit  7242      0   15.506 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:12:17 exit  7245      0   15.512 /usr/lib/evolution/evolution-calendar-factory
  13:13:02 fork  1519 parent          init --user
  13:13:02 fork  7246 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:13:02 fork  1519 parent          init --user
  13:13:02 fork  7247 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:13:02 fork  1519 parent          init --user
  13:13:02 fork  7248 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  Time     Event  PID  Info  Duration Process
  13:13:02 fork  1519 parent          init --user
  13:13:02 fork  7249 child           /usr/lib/evolution/evolution-calendar-factory
  13:13:02 fork  1519 parent          init --user
  13:13:02 fork  7250 child           /usr/lib/evolution/evolution-calendar-factory
  13:13:02 exit  7249      0    0.501 /usr/lib/evolution/evolution-calendar-factory
  13:13:02 exit  7246      0    0.506 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:13:02 exit  7248      0    0.506 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:13:17 exit  7250      0   15.500 /usr/lib/evolution/evolution-calendar-factory
  13:13:17 exit  7247      0   15.506 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:14:02 fork  1519 parent          init --user
  13:14:02 fork  7251 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:14:02 fork  1519 parent          init --user
  13:14:02 fork  7252 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:14:02 fork  1519 parent          init --user
  13:14:02 fork  7253 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:14:02 fork  1519 parent          init --user
  13:14:02 fork  7254 child           /usr/lib/evolution/evolution-calendar-factory
  13:14:02 exit  7253      0    0.504 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:14:02 exit  7251      0    0.504 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:14:17 exit  7254      0   15.500 /usr/lib/evolution/evolution-calendar-factory
  13:14:17 exit  7252      0   15.504 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:15:02 fork  1519 parent          init --user
  13:15:02 fork  7255 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:15:02 fork  1519 parent          init --user
  13:15:02 fork  7256 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:15:02 fork  1519 parent          init --user
  13:15:02 fork  7257 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:15:02 fork  1519 parent          init --user
  13:15:02 fork  7258 child           /usr/lib/evolution/evolution-calendar-factory
  13:15:02 fork  1519 parent          init --user
  13:15:02 fork  7259 child           /usr/lib/evolution/evolution-calendar-factory
  13:15:02 exit  7258      0    0.501 /usr/lib/evolution/evolution-calendar-factory
  13:15:02 exit  7256      0    0.504 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:15:02 exit  7257      0    0.504 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:15:17 exit  7259      0   15.500 /usr/lib/evolution/evolution-calendar-factory
  13:15:17 exit  7255      0   15.504 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:16:02 fork  1519 parent          init --user
  Time     Event  PID  Info  Duration Process
  13:16:02 fork  7260 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:16:02 fork  1519 parent          init --user
  13:16:02 fork  7261 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:16:02 fork  1519 parent          init --user
  13:16:02 fork  7262 child           /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:16:02 fork  1519 parent          init --user
  13:16:02 fork  7263 child           /usr/lib/evolution/evolution-calendar-factory
  13:16:02 fork  1519 parent          init --user
  13:16:02 fork  7264 child           /usr/lib/evolution/evolution-calendar-factory
  13:16:02 fork  1519 parent          init --user
  13:16:02 fork  7265 child           /usr/lib/evolution/evolution-calendar-factory
  13:16:02 exit  7262      0    0.506 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:16:02 exit  7260      0    0.506 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
  13:16:02 exit  7265      0    0.502 /usr/lib/evolution/evolution-calendar-factory
  13:16:02 exit  7264      0    0.503 /usr/lib/evolution/evolution-calendar-factory

  Is there any reason why indicator-datetimes-service (and also
  evolution-calendar-factory) are being spawned off so regularly? For a
  "lightweight" date applet it seems rather heavyweight to me.

  I've compared this to saucy and there isn't the same periodic
  activity, so this looks like it appeared in the trusty cycle.

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References

[Bug 1293568] [NEW] indicator-datetime-service is being exec'd 3 times every minute
From: Colin King, 2014-03-17