* Oleg Nesterov [2013-02-04 20:03:05]:
> uprobe_perf_open/close call the costly uprobe_apply() every time,
> we can avoid it if:
>
> - "nr_systemwide != 0" is not changed.
>
> - There is another process/thread with the same ->mm.
>
> - copy_proccess() does inherit_event().
* Oleg Nesterov o...@redhat.com [2013-02-04 20:03:05]:
uprobe_perf_open/close call the costly uprobe_apply() every time,
we can avoid it if:
- nr_systemwide != 0 is not changed.
- There is another process/thread with the same -mm.
- copy_proccess() does
uprobe_perf_open/close call the costly uprobe_apply() every time,
we can avoid it if:
- "nr_systemwide != 0" is not changed.
- There is another process/thread with the same ->mm.
- copy_proccess() does inherit_event(). dup_mmap() preserves the
inserted
uprobe_perf_open/close call the costly uprobe_apply() every time,
we can avoid it if:
- nr_systemwide != 0 is not changed.
- There is another process/thread with the same -mm.
- copy_proccess() does inherit_event(). dup_mmap() preserves the
inserted
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