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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.7-179-gbec8cf6
- From: dsmith at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 1 Jun 2009 17:20:24 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.7-179-gbec8cf6
- Reply-to: systemtap 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