-var-tmp-morebus.d

#!/usr/sbin/dtrace -qCs

#define FC_OBJERR       0x5     /* underlying object returned errno value */

#define FC_CODE(fc)     ((fc) & 0xff)
#define FC_ERRNO(fc)    ((unsigned)(fc) >> 8)

BEGIN
{
	printf("tracing...\n");
}

fbt::trap:entry
{
	self->t = 1;
}

fbt:::return
/self->t && FC_CODE(arg1) == FC_OBJERR && FC_ERRNO(arg1) == ENOMEM/
{
	printf("%Y: %s:\n", walltimestamp, probefunc);
	stack();
	printf("\n");
}

fbt::trap:return
/self->t/
{
	self->t = 0;
}