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| author | Mao Jinlong <quic_jinlmao@quicinc.com> | 2024-11-21 14:28:29 +0800 |
|---|---|---|
| committer | Suzuki K Poulose <suzuki.poulose@arm.com> | 2024-12-11 10:15:45 +0000 |
| commit | f7d7454607cf863cc860e201636117e242d45fe0 (patch) | |
| tree | c4a7fccc1764e8c41aaa9f456abd877fb2cd3e83 /Documentation/ABI | |
| parent | fd9b7e8e9fbc23d69fa4accc881dea2cf13a2e2e (diff) | |
| download | linux-stable-f7d7454607cf863cc860e201636117e242d45fe0.tar.gz linux-stable-f7d7454607cf863cc860e201636117e242d45fe0.tar.bz2 linux-stable-f7d7454607cf863cc860e201636117e242d45fe0.zip | |
coresight: dummy: Add static trace id support for dummy source
Some dummy source has static trace id configured in HW and it cannot
be changed via software programming. Configure the trace id in device
tree and reserve the id when device probe.
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Link: https://lore.kernel.org/r/20241121062829.11571-4-quic_jinlmao@quicinc.com
[ Fix Date and Version to December 2024, v6.14 ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-coresight-devices-dummy-source | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-dummy-source b/Documentation/ABI/testing/sysfs-bus-coresight-devices-dummy-source new file mode 100644 index 000000000000..0830661ef656 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-dummy-source @@ -0,0 +1,15 @@ +What: /sys/bus/coresight/devices/dummy_source<N>/enable_source +Date: Dec 2024 +KernelVersion: 6.14 +Contact: Mao Jinlong <quic_jinlmao@quicinc.com> +Description: (RW) Enable/disable tracing of dummy source. A sink should be activated + before enabling the source. The path of coresight components linking + the source to the sink is configured and managed automatically by the + coresight framework. + +What: /sys/bus/coresight/devices/dummy_source<N>/traceid +Date: Dec 2024 +KernelVersion: 6.14 +Contact: Mao Jinlong <quic_jinlmao@quicinc.com> +Description: (R) Show the trace ID that will appear in the trace stream + coming from this trace entity. |