summary refs log tree commit diff
path: root/tools/include
diff options
context:
space:
mode:
authorMathieu Poirier <mathieu.poirier@linaro.org>2019-04-25 13:52:52 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-25 22:00:16 +0200
commit82500a810ee26ac542d128499d7adae163e61adb (patch)
tree4d2b991056f39067e7aa75fe41efe3fe06a83d7b /tools/include
parent6fcdba33ab0d43e5fcb557897c1c81541927f615 (diff)
downloadlinux-82500a810ee26ac542d128499d7adae163e61adb.tar.gz
coresight: etm4x: Add kernel configuration for CONTEXTID
Set the proper bit in the configuration register when contextID tracing
has been requested by user space.  That way PE_CONTEXT elements are
generated by the tracers when a process is installed on a CPU.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Robert Walker <robert.walker@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/linux/coresight-pmu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/include/linux/coresight-pmu.h b/tools/include/linux/coresight-pmu.h
index a1a959ba24ff..b0e35eec6499 100644
--- a/tools/include/linux/coresight-pmu.h
+++ b/tools/include/linux/coresight-pmu.h
@@ -12,11 +12,13 @@
 
 /* ETMv3.5/PTM's ETMCR config bit */
 #define ETM_OPT_CYCACC  12
+#define ETM_OPT_CTXTID	14
 #define ETM_OPT_TS      28
 #define ETM_OPT_RETSTK	29
 
 /* ETMv4 CONFIGR programming bits for the ETM OPTs */
 #define ETM4_CFG_BIT_CYCACC	4
+#define ETM4_CFG_BIT_CTXTID	6
 #define ETM4_CFG_BIT_TS		11
 #define ETM4_CFG_BIT_RETSTK	12