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Utilize RPi throttled state to provide more information #209

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chrisys opened this issue May 12, 2020 · 3 comments
Closed

Utilize RPi throttled state to provide more information #209

chrisys opened this issue May 12, 2020 · 3 comments

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@chrisys
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chrisys commented May 12, 2020

In this issue @ptrm highlights how the Pi VideoCore GPU can be polled to get the status of certain flags, see 'get_throttled' on this page: https://www.raspberrypi.org/documentation/raspbian/applications/vcgencmd.md

Could this be a more reliable way of obtaining status information when compared to looking at kernel error logs?
@chrisys
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chrisys commented May 12, 2020

Related: balena-os/balena-raspberrypi#485

@saintaardvark
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This comment has some nice CLI math to parse the output of vcgencmd get_throttled.

@saintaardvark saintaardvark mentioned this issue May 28, 2020
Closed
saintaardvark pushed a commit that referenced this issue May 28, 2020
Detect CPU throttling events
d4bc573 
This adds two checks that take different approaches to detecting CPU
throttling:

- check_throttling_dmesg examines dmesg output for throttling events

- check_throttling_vcgencmd examines the output of the Raspberry Pi utility `vcgencmd` to determine if throttling is currently happening, or has occurred in the past.

Connects-to: #183, #209
Change-type: minor
Signed-off-by: Hugh Brown <[email protected]>
saintaardvark pushed a commit that referenced this issue May 28, 2020
Detect CPU throttling events
6d49f30 
This adds two checks that take different approaches to detecting CPU
throttling:

- check_throttling_dmesg examines dmesg output for throttling events

- check_throttling_vcgencmd examines the output of the Raspberry Pi utility `vcgencmd` to determine if throttling is currently happening, or has occurred in the past.

Connects-to: #183, #209
Change-type: minor
Signed-off-by: Hugh Brown <[email protected]>
@saintaardvark saintaardvark mentioned this issue May 28, 2020
Merged
saintaardvark pushed a commit that referenced this issue May 29, 2020
Detect CPU throttling events
380133d 
This adds two checks that take different approaches to detecting CPU
throttling:

- test_throttling_dmesg examines dmesg output for throttling events

- test_throttling_vcgencmd examines the output of the Raspberry Pi utility `vcgencmd` to determine if throttling is currently happening, or has occurred in the past.

These are both called by check_throttling, which glues the output of
both together.

Connects-to: #183, #209
Change-type: minor
Signed-off-by: Hugh Brown <[email protected]>
saintaardvark pushed a commit that referenced this issue Jun 1, 2020
Detect CPU throttling events
bb505b5 
This adds two checks that take different approaches to detecting CPU
throttling:

- test_throttling_dmesg examines dmesg output for throttling events

- test_throttling_vcgencmd examines the output of the Raspberry Pi utility `vcgencmd` to determine if throttling is currently happening, or has occurred in the past.

These are both called by check_throttling, which glues the output of
both together.

Connects-to: #183, #209
Change-type: minor
Signed-off-by: Hugh Brown <[email protected]>
saintaardvark pushed a commit that referenced this issue Jun 1, 2020
Detect CPU throttling events
3395f65 
This adds two checks that take different approaches to detecting CPU
throttling:

- test_throttling_dmesg examines dmesg output for throttling events

- test_throttling_vcgencmd examines the output of the Raspberry Pi utility `vcgencmd` to determine if throttling is currently happening, or has occurred in the past.

These are both called by check_throttling, which glues the output of
both together.

Connects-to: #183, #209
Change-type: minor
Signed-off-by: Hugh Brown <[email protected]>
saintaardvark pushed a commit that referenced this issue Jun 1, 2020
Detect CPU throttling events
b28764a 
This adds two checks that take different approaches to detecting CPU
throttling:

- test_throttling_dmesg examines dmesg output for throttling events

- test_throttling_vcgencmd examines the output of the Raspberry Pi utility `vcgencmd` to determine if throttling is currently happening, or has occurred in the past.

These are both called by check_throttling, which glues the output of
both together.

Connects-to: #183, #209
Change-type: minor
Signed-off-by: Hugh Brown <[email protected]>
saintaardvark pushed a commit that referenced this issue Jun 2, 2020
Detect CPU throttling events
72d23f3 
This adds two checks that take different approaches to detecting CPU
throttling:

- test_throttling_dmesg examines dmesg output for throttling events

- test_throttling_vcgencmd examines the output of the Raspberry Pi utility `vcgencmd` to determine if throttling is currently happening, or has occurred in the past.

These are both called by check_throttling, which glues the output of
both together.

Connects-to: #183, #209
Change-type: minor
Signed-off-by: Hugh Brown <[email protected]>
@saintaardvark
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Closed via #221.

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@chrisys @saintaardvark