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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.8-203-gb1efd8a
- From: dsmith at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 20 Jan 2009 16:36:51 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.8-203-gb1efd8a
- Reply-to: systemtap at sourceware dot org
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- Log -----------------------------------------------------------------
commit b1efd8a3e42869cf0b7610f00ea34c8e47ff5982
Author: David Smith <dsmith@redhat.com>
Date: Tue Jan 20 10:35:53 2009 -0600
PR 9673. Only use one utrace engine for all targets with same path or pid.
2009-01-20 David Smith <dsmith@redhat.com>
PR 9673.
* task_finder.c (struct stap_task_finder_target): Added
'vm_events' field.
(stap_register_task_finder_target): Sets vm_events if a
vm_callback is present.
(__stp_task_finder_cleanup): Only detaches engines on the main
__stp_task_finder_list linked list.
(__stp_call_callbacks): New function.
(__stp_call_vm_callbacks): New function.
(__stp_utrace_attach_match_filename): Calls __stp_call_callbacks()
to call callbacks.
(__stp_utrace_task_finder_target_death): Ditto.
(__stp_utrace_task_finder_target_quiesce): Calls
__stp_call_callbacks() and __stp_call_vm_callbacks() to call
callbacks.
(__stp_call_vm_callbacks_with_vma): Renamed from
__stp_target_call_vm_callback.
(__stp_utrace_task_finder_target_syscall_exit): Calls
__stp_call_vm_callbacks() to call vm callbacks.
(stap_start_task_finder): Instead of a utrace engine for every
task_finder_target, there is now one utrace engine for all targets
with the same path or pid.
-----------------------------------------------------------------------
Summary of changes:
runtime/ChangeLog | 25 ++++
runtime/task_finder.c | 303 ++++++++++++++++++++++++-------------------------
2 files changed, 173 insertions(+), 155 deletions(-)
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systemtap: system-wide probe/trace tool