lkml.org 
[lkml]   [2015]   [Jul]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH 0/5] coresight: Support context-ID tracing when PID namespace is enabled
From
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.


\
 
 \ /
  Last update: 2015-07-13 19:41    [W:0.098 / U:1.484 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site