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| author |   Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-04-05 11:53:43 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-01 14:12:14 -0700 |
| commit | 7c38aa4b03b3fc6ce17e5a00327f8c0be18daf8a (patch) | |
| tree | 29052143107e1e65c08ad93bb2d5eb4abc1d1c54 /Documentation/ABI | |
| parent | coresight: etm4x: moving sysFS entries to a dedicated file (diff) | |
| download | linux-dev-7c38aa4b03b3fc6ce17e5a00327f8c0be18daf8a.tar.xz linux-dev-7c38aa4b03b3fc6ce17e5a00327f8c0be18daf8a.zip | |
coresight: etm4x: adding config and traceid registers
Adding new sysFS management interface to query the configuration
and the traceid registers. Both are required to convey information
to the perf cmd line tools when using ETMv4 tracers as PMU.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x index 2355ed8ae31f..36258bc1b473 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x @@ -359,6 +359,19 @@ Contact: Mathieu Poirier <mathieu.poirier@linaro.org> Description: (R) Print the content of the Peripheral ID3 Register (0xFEC). The value is taken directly from the HW. +What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trcconfig +Date: February 2016 +KernelVersion: 4.07 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Print the content of the trace configuration register + (0x010) as currently set by SW. + +What: /sys/bus/coresight/devices/<memory_map>.etm/mgmt/trctraceid +Date: February 2016 +KernelVersion: 4.07 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (R) Print the content of the trace ID register (0x040). + What: /sys/bus/coresight/devices/<memory_map>.etm/trcidr/trcidr0 Date: April 2015 KernelVersion: 4.01 |