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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-109-gde5f477


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       via  de5f477ba5f62c5844316272a3f1cbaba3d22fbe (commit)
      from  a0d5529094d4772c955c30f6891e82cdf17d15d0 (commit)

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- Log -----------------------------------------------------------------
commit de5f477ba5f62c5844316272a3f1cbaba3d22fbe
Author: Josh Stone <jistone@redhat.com>
Date:   Mon Aug 8 13:54:06 2011 -0700

    PR11209: Add cpu_clock and local_clock
    
    This adds cpu_clock_ns(cpu), local_clock_ns(), and their coarser
    variants.  These are monotonic wallclock time sources, rather than the
    absolute time-since-epoch sort.  On kernels too old for these functions,
    it falls back to stap's gettimeofday.
    
    A kernel supports this only if it has the functions exported, and if it
    is deemed new enough to have the patches that make it NMI-safe.  See the
    comment in timestamp_monotonic.stp for details.
    
    * buildrun.cxx: Add export checks for cpu_clock and local_clock.
    * tapset/timestamp_monotonic.stp: Define the new functions.
    * testsuite/buildok/timestamp_monotonic-embedded.stp: Build them.
    * doc/SystemTap_Tapset_Reference/tapsets.tmpl: Include the new docs.

-----------------------------------------------------------------------

Summary of changes:
 buildrun.cxx                                       |    4 +
 doc/SystemTap_Tapset_Reference/tapsets.tmpl        |    1 +
 tapset/timestamp.stp                               |    3 -
 tapset/timestamp_gtod.stp                          |    2 -
 tapset/timestamp_monotonic.stp                     |  142 ++++++++++++++++++++
 testsuite/buildok/timestamp_monotonic-embedded.stp |   13 ++
 6 files changed, 160 insertions(+), 5 deletions(-)
 create mode 100644 tapset/timestamp_monotonic.stp
 create mode 100755 testsuite/buildok/timestamp_monotonic-embedded.stp


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