We are trying to observe the data that is being written via aiowrite with this:
pid$$1::aiowrite:entry
{
self->desc = arg0; /* file descriptor */
self->bufp = arg1; /* buffer pointer */
self->size = arg2; /* size, in bytes */
}
pid$$1::aiowrite:return
/self->size > 0/
{
printf("%Y: ", walltimestamp);
this->text = *(char *)copyin(self->bufp,self->size);
printf("%s(PID:%d) called %s with fd=%d, size= %d, and \nbuf=\"%s\"\n\n",
execname, pid, probefunc, self->desc, self->size, stringof(this->text));
this->text = 0;
self->desc = 0;
self->bufp = 0;
self->size = 0;
}
but I am getting invalid address (0x0) in action #1 at DIF offset 28 errors.
What am I doing wrong?
Thanks in advance,
-- prasad
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