On Wed, 2007-11-07 at 12:35 -0800, Neelam wrote:
> Well I am trying to record the duration of user level mutex locks. Below is
> the simple script:
>
> -----------------------------------------------------------------
> #!/usr/sbin/dtrace -s
>
> dtrace:::BEGIN
> {
> self->begin=timestamp;
> self->mutex_acq=0;
> }
>
> plockstat$1:::mutex-acquire
> {
> self->ts[arg0]=timestamp;
> self->mutex_acq++;
> @mutex_acquired["No of mutexes acquired"]=count();
One extra bit of advice -- get rid of aggregations. They might
add to dilation quite significantly.
Thanks,
Roman.
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