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Periodically wake up log process thread consume more power #19982

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wentongwu opened this issue Oct 21, 2019 · 1 comment
Closed

Periodically wake up log process thread consume more power #19982

wentongwu opened this issue Oct 21, 2019 · 1 comment
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@wentongwu
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area: Logging area: Power Management bug The issue is a bug, or the PR is fixing a bug priority: medium Medium impact/importance bug
Milestone
v1.14.2

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@wentongwu
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Describe the bug
Periodically wake up log process thread consume more power if system
already in sleep or deep sleep state.

Expected behavior
log process thread shouldn't wake up system if no pending log message.
@wentongwu wentongwu added bug The issue is a bug, or the PR is fixing a bug area: Power Management area: Logging labels Oct 21, 2019
@wentongwu wentongwu self-assigned this Oct 21, 2019
@wentongwu wentongwu mentioned this issue Oct 21, 2019
Merged
wentongwu added a commit to wentongwu/zephyr that referenced this issue Oct 21, 2019
@wentongwu
logging: wake up log process thread only when log message happen
f1e0997 
Periodically wake up log process thread consume more power if system
already in sleep or deep sleep state. With the help of added logging
timer and semaphore, log process thread is woken up only when there
is logging message.

Fixes: zephyrproject-rtos#19982.

Signed-off-by: Wentong Wu <wentong.wu@intel.com>
@dleach02 dleach02 added this to the 1.14.2 milestone Oct 22, 2019
@dleach02 dleach02 added the priority: medium Medium impact/importance bug label Oct 22, 2019
nashif pushed a commit that referenced this issue Oct 29, 2019
@wentongwu @nashif
logging: wake up log process thread only when log message happen
8ae5ada 
Periodically wake up log process thread consume more power if system
already in sleep or deep sleep state. With the help of added logging
timer and semaphore, log process thread is woken up only when there
is logging message.

Fixes: #19982.

Signed-off-by: Wentong Wu <wentong.wu@intel.com>
@wentongwu
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patch has been merged, so close it.

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@wentongwu wentongwu

Labels
area: Logging area: Power Management bug The issue is a bug, or the PR is fixing a bug priority: medium Medium impact/importance bug
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Milestone
v1.14.2
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@dleach02 @wentongwu