diff options
| author |   Pratik Patel <pratikp@codeaurora.org> | 2015-05-13 10:34:12 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-24 11:11:20 -0700 |
| commit | b460daf87b42f83f5c7030589f190a3215167bb8 (patch) | |
| tree | 20333654366cfe34afe32b55b5b70a134929e20a /Documentation/ABI | |
| parent | coresight-etm4x: Controls pertaining to the reset, mode, pe and events (diff) | |
| download | linux-dev-b460daf87b42f83f5c7030589f190a3215167bb8.tar.xz linux-dev-b460daf87b42f83f5c7030589f190a3215167bb8.zip | |
coresight-etm4x: Controls pertaining to various configuration options
Adding sysfs entries to configure:
. global timestamp.
. how often trace synchronisation occur.
. the threashold value for cycle counting.
. branch and broadcasting regions.
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
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 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x index 7917a180cfc6..7e5f9bf1d508 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x @@ -108,3 +108,29 @@ Date: April 2015 KernelVersion: 4.01 Contact: Mathieu Poirier <mathieu.poirier@linaro.org> Description: (RW) Controls the behavior of the events in bank 0 to 3. + +What: /sys/bus/coresight/devices/<memory_map>.etm/event_ts +Date: April 2015 +KernelVersion: 4.01 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (RW) Controls the insertion of global timestamps in the trace + streams. + +What: /sys/bus/coresight/devices/<memory_map>.etm/syncfreq +Date: April 2015 +KernelVersion: 4.01 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (RW) Controls how often trace synchronization requests occur. + +What: /sys/bus/coresight/devices/<memory_map>.etm/cyc_threshold +Date: April 2015 +KernelVersion: 4.01 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (RW) Sets the threshold value for cycle counting. + +What: /sys/bus/coresight/devices/<memory_map>.etm/bb_ctrl +Date: April 2015 +KernelVersion: 4.01 +Contact: Mathieu Poirier <mathieu.poirier@linaro.org> +Description: (RW) Controls which regions in the memory map are enabled to + use branch broadcasting. |