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Computer gets unresponsive after running Realtime Plotter for a long time #1446

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flixr opened this issue Nov 29, 2015 · 2 comments
Closed

Computer gets unresponsive after running Realtime Plotter for a long time #1446

flixr opened this issue Nov 29, 2015 · 2 comments
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v5.8

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@flixr
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flixr commented Nov 29, 2015

From @esden on Ubuntu 14.04:
Computer gets unresponsive when running e.g. the "Raw Sensors" session with 4 realtime plotters for a long time.
The hud-service process seems to take up quite a bit of CPU and fills the memory until it gets unresponsive.

This seems to be related to #1445: The HUD service seems to connect to menu events of all apps, and every event changing the avg/stdev values in the curves menu trigger it...
flixr added a commit to flixr/paparazzi that referenced this issue Nov 29, 2015
@flixr
[logalizer] plotter: disable update of average and stdev in menu
0d1d4fa 
first of all the image/label with the current value is not displayed anymore (at least on Ubuntu 14.04).
And probably more importantly, these constant updates of the menu result in high cpu-load and memory usage of hud-service,
rendering the computer unusable if left running for a long time (until hud-service is killed and restarted).

Workaround for paparazzi#1446 by simply disabling the update of these labels/menu entries
@flixr flixr mentioned this issue Nov 29, 2015
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@flixr
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flixr commented Nov 29, 2015

Btw, this seems to be Unitiy specific issue (since hud-service is from Unity). There doesn't seem to be this problem with the e.g. the Gnome Desktop.

flixr added a commit to flixr/paparazzi that referenced this issue Nov 30, 2015
@flixr
[logalizer] plotter: disable update of average and stdev in menu
0c485da 
first of all the image/label with the current value is not displayed anymore (at least on Ubuntu 14.04).
And probably more importantly, these constant updates of the menu result in high cpu-load and memory usage of hud-service,
rendering the computer unusable if left running for a long time (until hud-service is killed and restarted).

Workaround for paparazzi#1446 by simply disabling the update of these labels/menu entries
@flixr flixr added this to the v5.8 milestone Nov 30, 2015
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flixr commented Dec 1, 2015

Closing, since workaround of disabling the menu updates (as per #1447) works for now....

@flixr flixr closed this as completed Dec 1, 2015
flixr added a commit that referenced this issue Jul 7, 2016
@flixr
[plotter] remove average and stddev from curve menu
9a5f465 
See #1445
updates were disabled already due to #1446 and not displayed on recent systems #1445
fvantienen pushed a commit to fvantienen/paparazzi that referenced this issue Oct 6, 2016
@flixr @fvantienen
[plotter] remove average and stddev from curve menu
2f45fcd 
See paparazzi#1445
updates were disabled already due to paparazzi#1446 and not displayed on recent systems paparazzi#1445
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