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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.8-203-gb1efd8a


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      from  46be0ea9347282f992df1c9579921026b9d88336 (commit)

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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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