Stephane Eranian <[email protected]> writes:
> [...]
>> > [...] AFAIK, there is no single call to stop T1 and wait until it
>> > is completely off the CPU, unless we go through the (internal)
>> > ptrace interface.
>>
>> The utrace code supports this style of thread manipulation better
>> than ptrace.
>
> Afre you saying that utrace provides a utrace_thread_stop(tid) call
> that returns only when the thread tid is off the CPU. And then there
> is a utrace_thread_resume(tid) call. If that's the case then that is
> what I need.
While I see no single call, it can be synthesized from a sequence of
them: utrace_attach, utrace_set_flags (... UTRACE_ACTION_QUESCE ...),
then waiting for a callback. Roland, is there a more compact way?
> How are we with regards to utrace integration?
Roland McGrath is working on breaking the patches down.
- FChE
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