summaryrefslogtreecommitdiffstats
path: root/drivers/hwtracing/coresight/coresight-etm4x.h
diff options
context:
space:
mode:
authorChunyan Zhang <zhang.chunyan@linaro.org>2015-07-31 09:37:28 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-08-05 13:30:15 -0700
commitf67b467aab10685f695190d2f471221e7a314374 (patch)
tree4366df28cfcfc7556c86ee0d1e78ca068a47f256 /drivers/hwtracing/coresight/coresight-etm4x.h
parenta440617e0d882a35accdd32dd7ae180885c6b28c (diff)
downloadop-kernel-dev-f67b467aab10685f695190d2f471221e7a314374.zip
op-kernel-dev-f67b467aab10685f695190d2f471221e7a314374.tar.gz
coresight-etm4x: Support context-ID tracing when PID namespace is enabled
Like ETTv3, ETMv4 also needs the similar modifications to support Context ID tracing when PID namespace is enabled. Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm4x.h')
-rw-r--r--drivers/hwtracing/coresight/coresight-etm4x.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h
index 1e8fb36..c341002 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.h
+++ b/drivers/hwtracing/coresight/coresight-etm4x.h
@@ -266,6 +266,8 @@
* @ctxid_idx: Context ID index selector.
* @ctxid_size: Size of the context ID field to consider.
* @ctxid_pid: Value of the context ID comparator.
+ * @ctxid_vpid: Virtual PID seen by users if PID namespace is enabled, otherwise
+ * the same value of ctxid_pid.
* @ctxid_mask0:Context ID comparator mask for comparator 0-3.
* @ctxid_mask1:Context ID comparator mask for comparator 4-7.
* @vmid_idx: VM ID index selector.
@@ -353,6 +355,7 @@ struct etmv4_drvdata {
u8 ctxid_idx;
u8 ctxid_size;
u64 ctxid_pid[ETMv4_MAX_CTXID_CMP];
+ u64 ctxid_vpid[ETMv4_MAX_CTXID_CMP];
u32 ctxid_mask0;
u32 ctxid_mask1;
u8 vmid_idx;
OpenPOWER on IntegriCloud