Commit Graph

3 Commits

Author SHA1 Message Date
Pratik Patel
d8c6696208 coresight-etm4x: Controls pertaining to the reset, mode, pe and events
Adding sysfs entries to:
. set the tracing entity with default values.
. set various mode associated to the tracing entity.
. select the processing entity the tracing entity relates to.
. select various events of interest.

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>
2015-05-24 11:11:20 -07:00
Pratik Patel
c0ddbfea72 coresight-etm4x: Controls pertaining to tracer configuration
Tracers can be configured with various options at synthesis
time and knowing what resources are available is important for
SW configuration purposes.

As such adding RO sysfs entries for characteristics related to the
tracer implementation.

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>
2015-05-24 11:11:20 -07:00
Pratik Patel
2e1cdfe184 coresight-etm4x: Adding CoreSight ETM4x driver
This driver manages the CoreSight ETMv4 (Embedded Trace Macrocell) IP block
to support HW assisted tracing on ARMv7 and ARMv8 architectures.

Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Kaixu Xia <xiakaixu@huawei.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-24 11:11:20 -07:00