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Logger filtering extra info - #299

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deb-intel merged 4 commits into
thesofproject:masterfrom
ktrzcinx:logger-filtering-extra-info
Oct 27, 2020
Merged

deb-intel merged 4 commits into
thesofproject:masterfrom
ktrzcinx:logger-filtering-extra-info

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@ktrzcinx

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Add few extra information about trace filtering system limitations.

Logger can't show trace removed during compilation time,
add note with this information.

Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>

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We need to include the Linux command line for disabling the SOF driver runtime PM. i.e. this guide should be a one stop shop for tracing

Comment thread developer_guides/debugability/logger/index.rst
@ktrzcinx
ktrzcinx force-pushed the logger-filtering-extra-info branch 3 times, most recently from f0dba0f to 7101a58 Compare October 22, 2020 08:09
This may be not obvious for filter user, that keeping settings in
firmware runtime memory is related with settings reset after
firmware reboot on power gating.

Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
Filtering mechanism works mainly on firmware side, so only upcoming
traces will be affected new filtering settings.

Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
Noticeable consequence of keeping active filter state in firmware,
is keeping old setup during logger reset.

Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
@ktrzcinx
ktrzcinx force-pushed the logger-filtering-extra-info branch from 7101a58 to d68fe27 Compare October 23, 2020 11:57

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Will make minor grammatical edits in a separate PR.

@deb-intel
deb-intel merged commit 9da6dce into thesofproject:master Oct 27, 2020
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4 participants