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check-playback: add check for FW performance #959

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wants to merge 6 commits into from
Closed

check-playback: add check for FW performance #959

wants to merge 6 commits into from

Commits on Sep 14, 2022

  1. lib.sh: move logger collection to a function 

    Signed-off-by: Keqiao Zhang <keqiao.zhang@intel.com>
    @keqiaozhang
    keqiaozhang committed Sep 14, 2022
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  2. lib.sh: add a function for mtrace collection 

    mtrace is a new logging tool. Tool to stream data from Linux
SOF driver mtrace debugfs interface to standard output.

Signed-off-by: Keqiao Zhang <keqiao.zhang@intel.com>
    @keqiaozhang
    keqiaozhang committed Sep 14, 2022
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  3. lib.sh: add a function to check the IPC4 Zephyr firmware 

    This function can check if the running firmware is IPC4 Zephyr.

Signed-off-by: Keqiao Zhang <keqiao.zhang@intel.com>
    @keqiaozhang
    keqiaozhang committed Sep 14, 2022
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  4. lib.sh: enable the mtrace for IPC4 Zephyr platforms 

    The mtrace is only support IPC4 platforms and mtrace should run
while tests are running ATM. If mtrace is not running, DSP will
stop outputting logs when buffer is full. So we need to keep the
mtrace running during the test, or you won't see the error log.

Signed-off-by: Keqiao Zhang <keqiao.zhang@intel.com>
    @keqiaozhang
    keqiaozhang committed Sep 14, 2022
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  5. hijack.sh: kill the mtrace after test 

    Need to kill the mtrace-reader.py process after the test
to prevent the conflicts between each case.

Signed-off-by: Keqiao Zhang <keqiao.zhang@intel.com>
    @keqiaozhang
    keqiaozhang committed Sep 14, 2022
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  6. check-playback: add check for FW performance 

    Add a tool to analyze the performance traces that are emitted
by the FW low-latency scheduler, and use this tool in the check
playback test case.

The tool requires output of FW logs and currently only supports
the mtrace output available in SOF Zephyr IPC4 builds. This can
be extended later for other output types.

The sof-ll-timer-check.py can do some simple global check like
observing occurences of low-latency scheduler overruns and raise
an error in this case.

For most of the analysis, sof-ll-timer-check.py needs reference
data detailing what the expected performance level should be.
To implement this, a simple JSON database is added via
sof-ll-timer-check-db.json that is used to query the reference
data. As this data is manually maintained, it is expected
reference data is only used for a small set of key use-cases for
any given platform.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
    @kv2019i
    kv2019i committed Sep 14, 2022
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