On 8/21/2019 6:38 PM, John Baldwin wrote:
> On 8/21/19 9:08 AM, mike tancsa wrote:
>> On 8/21/2019 12:00 PM, John Baldwin wrote:
>>> dtrace -n 'fbt::_gone_in:entry { @counts[curthread->td_proc->p_comm] =
>>> count()'
>> Thanks, I am not familiar with dtrace at all. This command gives a
>> syntax error
>>
>> 0(cage)# dtrace -n 'fbt::_gone_in:entry {
>> @counts[curthread->td_proc->p_comm] = count()'
>> dtrace: invalid probe specifier fbt::_gone_in:entry {
>> @counts[curthread->td_proc->p_comm] = count(): syntax error near end of
>> input
>> 1(cage)#
> Oops, I forgot the closing }. First, do "dtrace -l | grep _gone_in" to make
> sure dtrace is loaded. You should see something like this:
>
> # dtrace -l | grep _gone_in
> 87003 fbt kernel _gone_in entry
> 87004 fbt kernel _gone_in return
> 98682 fbt kernel _gone_in_dev entry
> 98683 fbt kernel _gone_in_dev return
>
> Then this should work:
>
> # dtrace -n 'fbt::_gone_in:entry { @counts[curthread->td_proc->p_comm] =
> count() }'
> dtrace: description 'fbt::_gone_in:entry ' matched 1 probe
>
Thanks!
# dtrace -l | grep _gone_in
15632 fbt kernel _gone_in entry
22693 fbt kernel _gone_in_dev entry
# dtrace -n 'fbt::_gone_in:entry { @counts[curthread->td_proc->p_comm] =
count() }'
dtrace: description 'fbt::_gone_in:entry ' matched 1 probe
However, It doesnt show anything after that even as I get the
deprecation messages in dmesg
---Mike
--
-------------------
Mike Tancsa, tel +1 519 651 3400 x203
Sentex Communications, m...@sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada
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