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authorPratik Patel <pratikp@codeaurora.org>2014-11-03 11:07:41 -0700
committerMathieu Poirier <mathieu.poirier@linaro.org>2015-01-02 15:34:20 -0700
commit80d0caf174f539f494c9c3c3831928ec4aed483d (patch)
tree8e9703c29f5f4871490e463621f3bba85a1ab456 /arch/arm/Kconfig.debug
parent467094439158305505852325a3edecf175a051ea (diff)
downloadlinux-linaro-stable-80d0caf174f539f494c9c3c3831928ec4aed483d.tar.gz
coresight-etm: add CoreSight ETM/PTM driver
This driver manages CoreSight ETM (Embedded Trace Macrocell) that supports processor tracing. Currently supported version are ARM ETMv3.x and PTM1.x. Signed-off-by: Pratik Patel <pratikp@codeaurora.org> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> coresight-etm3x: adding missing error checking Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit a939fc5a71ad531633610242400c262e78731532) Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Diffstat (limited to 'arch/arm/Kconfig.debug')
-rw-r--r--arch/arm/Kconfig.debug9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index f8208b57f21f..9bf03891a580 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1251,5 +1251,14 @@ config CORESIGHT_SINK_ETBV10
This enables support for the Embedded Trace Buffer version 1.0 driver
that complies with the generic implementation of the component without
special enhancement or added features.
+
+config CORESIGHT_SOURCE_ETM3X
+ bool "CoreSight Embedded Trace Macrocell 3.x driver"
+ select CORESIGHT_LINKS_AND_SINKS
+ help
+ This driver provides support for processor ETM3.x and PTM1.x modules,
+ which allows tracing the instructions that a processor is executing
+ This is primarily useful for instruction level tracing. Depending
+ the ETM version data tracing may also be available.
endif
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