Messages in this thread | | | Date | Mon, 13 Jul 2015 11:26:11 -0600 | Subject | Re: [PATCH 0/5] coresight: Support context-ID tracing when PID namespace is enabled | From | Mathieu Poirier <> |
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On 7 July 2015 at 02:41, Chunyan Zhang <zhang.chunyan@linaro.org> wrote: > The Coresight ETM drivers already support context-ID tracing, but it won't > work when PID namespace is enabled. This is because when using PID > namespace a process id (ie. VPID) seen from the current namespace differs > from the id (ie. PID) seen by kernel. > > This patch-set does add a translation between VPID and PID. > > Chunyan Zhang (5): > coresight-etm3x: Change the name of the ctxid_val to ctxid_pid > coresight-etm4x: Change the name of the ctxid_val to ctxid_pid > Coresight: Add an interface for supporting ETM3/4 Context ID tracing > coresight-etm3x: Support context-ID tracing when PID namespace is > enabled > coresight-etm4x: Support context-ID tracing when PID namespace is > enabled > > .../ABI/testing/sysfs-bus-coresight-devices-etm3x | 2 +- > .../ABI/testing/sysfs-bus-coresight-devices-etm4x | 2 +- > drivers/hwtracing/coresight/coresight-etm.h | 7 ++-- > drivers/hwtracing/coresight/coresight-etm3x.c | 28 +++++++++------- > drivers/hwtracing/coresight/coresight-etm4x.c | 37 ++++++++++++++-------- > drivers/hwtracing/coresight/coresight-etm4x.h | 7 ++-- > include/linux/coresight.h | 20 ++++++++++++ > 7 files changed, 72 insertions(+), 31 deletions(-) > > -- > 1.9.1 >
Applied - thanks.
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