Hi all,
I am trying to write a D script which would print ustack() for every
program in the system receiving SIGSEGV. All the stacks printed in
trap()/sigtoproc() context do not have meaningful symbols.
The following solves the problem to some degree but I'd much rather have
a self-contained D script.
dtrace -w -n 'fbt:genunix:sigtoproc:entry/arg2 == 11/ {
self->pid=((proc_t *)arg0)->p_pidp->pid_id; stop();
system("/usr/bin/gcore %d", self->pid); system("/usr/bin/prun %d",
self->pid); }'
Any ideas (or code) will be appreciated,
v.
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