[observability-discuss] Any debugging pragmas to help with "failed to grab pid xxx" ?

[David McDaniel]

I have a dtrace script which works OK when grabbing a single pid:
pid$1:*::entry
{ 
  self->depth++;
}

But if I extend it to try for 6 pids concurrently, it fails on the forth pid:
pid$1:*::entry, pid$2:*::entry, pid$3:*::entry, pid$4:*::entry, pid$5:*::entry, 
pid$6:*::entry
{ 
  self->depth++;
}

To wit,
dtrace: failed to compile script /opt/utils/libtimesMulti.d: failed to grab pid 
23409: unanticipated system error

Any thoughts? This is Solaris 10U2, aka 0606. Thanks in advance for any tips.
 
 
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