You may try this:
Renil Thomas wrote:
> Currently, the d-script used here is as below :
>
> #!/usr/sbin/dtrace -s
>
> syscall::write:entry
> /pid == $1 && tid == 3 /
> {
> self->timestamp_ = timestamp;
> self->traceme = 1;
> }
>
> syscall::write:return
> /self->timestamp_ && pid == $1 && tid == 3 /
> {
> self->traceme = 0;
> @data["write"] = quantize(timestamp - self->timestamp_);
> @dataavg["write"] = avg(timestamp - self->timestamp_);
self->need_attention = timestamp - self->timestamp_ > 1000000?1:0;
> }
>
syscall::write:return
/self->need_attention/
{
self->need_attention = 0;
printf("Caught:");
stack();
ustack();
//or something else...
}
> alloccgblk:entry
> /self->traceme/
> {
> self->timestamp_alloccgblk = timestamp;
> }
>
> alloccgblk:return
> /self->traceme && self->timestamp_alloccgblk/
> {
> @data["alloccgblk"] = quantize(timestamp -
> self->timestamp_alloccgblk); @dataavg["alloccgblk"] =
> avg(timestamp - self->timestamp_alloccgblk);
> self->timestamp_alloccgblk = 0;
>
> }
>
> mapsearch:entry
> /self->traceme/
> {
> self->timestamp_mapsearch = timestamp;
> }
>
> mapsearch:return
> /self->traceme && self->timestamp_mapsearch/
> {
> @data["mapsearch"] = quantize(timestamp -
> self->timestamp_mapsearch); @dataavg["mapsearch"] =
> avg(timestamp - self->timestamp_mapsearch);
> self->timestamp_mapsearch = 0; }
>
>
> tick-60sec {
> printa(@dataavg);
> printa(@data);
> exit(0);
> }
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