[PATCH v4 -tip 0/3] tracing: make a snapshot feature available fromuserspace

[Hiraku Toyooka]

Hi, Steven,

I updated the patch which replaces static variable 'old_tracer'.

v3->v4:
 [1/3] tracing: replace static old_tracer with trace iterator's pointer to the
       original tracer's name
        - changed to comparison between pointers instead of strcmp

(v3: https://lkml.org/lkml/2012/12/19/35)

---

Hiraku Toyooka (3):
      tracing: replace static old_tracer with trace iterator's pointer to the original tracer's name
      tracing: make a snapshot feature available from userspace
      tracing: add description of snapshot to Documentation/trace/ftrace.txt


 Documentation/trace/ftrace.txt |   83 +++++++++++++++++++++
 include/linux/ftrace_event.h   |    3 +
 kernel/trace/Kconfig           |   10 +++
 kernel/trace/trace.c           |  156 ++++++++++++++++++++++++++++++++++------
 kernel/trace/trace.h           |    1 
 5 files changed, 228 insertions(+), 25 deletions(-)

-- 
Hiraku TOYOOKA
Linux Technology Center
Yokohama Research Laboratory
Hitachi Ltd.
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