[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.7-179-gbec8cf6

[dsmith at sourceware dot org]

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- Log -----------------------------------------------------------------
commit bec8cf694b0cd89dfa3d082e611326d7bcfad884
Author: David Smith <dsmith@redhat.com>
Date:   Mon Jun 1 12:20:08 2009 -0500

    Avoid holding semaphore while making mmap callbacks.
    * runtime/task_finder.c (__stp_call_mmap_callbacks_for_task): Grabs the
      'mmap_sem' sempaphore. Caches vma information, releases the semaphore,
      then makes mmap callbacks.
      (__stp_utrace_task_finder_target_quiesce): Calls
      __stp_call_mmap_callbacks_for_task() to make mmap callbacks on initial
      attach to a task.

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

Summary of changes:
 runtime/task_finder.c |  182 +++++++++++++++++++++++++++++++++++--------------
 1 files changed, 130 insertions(+), 52 deletions(-)


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systemtap: system-wide probe/trace tool