Lines Matching defs:probe

88  * When we're firing a return probe we need to expose the value returned by
90  * in its last instruction, we need to fire the return probe only _after_
97  * kernel where we can fire the return probe.
108  * Since function entry and return are usually the most interesting probe
123  * probe so want to make it seem as though the tracepoint has been completely
228 fasttrap_usdt_args(fasttrap_probe_t *probe, struct regs *rp,
231 	int i, x, cap = MIN(argc, probe->ftp_nargs);
235 	 * The only way we'll hit the fake_restore case is if a USDT probe is
249 			x = probe->ftp_argmap[i];
262 			x = probe->ftp_argmap[i];
307 		fasttrap_probe_t *probe = id->fti_probe;
310 			if (probe->ftp_argmap != NULL && fake_restore) {
313 				fasttrap_usdt_args(probe, rp, fake_restore,
318 				dtrace_probe(probe->ftp_id, t[0], t[1],
323 			} else if (probe->ftp_argmap != NULL) {
326 				fasttrap_usdt_args(probe, rp, fake_restore,
329 				dtrace_probe(probe->ftp_id, t[0], t[1],
341 				dtrace_probe(probe->ftp_id, arg0, arg1,
347 				dtrace_probe(probe->ftp_id, rp->r_o0, rp->r_o1,
364 		    rp->r_npc - probe->ftp_faddr < probe->ftp_fsize)
370 		 * We can dectect this spurious return probe activation by
379 		    rp->r_npc - probe->ftp_faddr < probe->ftp_fsize)
391 			dtrace_probe(probe->ftp_id, pc - probe->ftp_faddr,
401 			dtrace_probe(probe->ftp_id, pc - probe->ftp_faddr,
429 	 * return probe fasttrap. In this case we need to kill the process
481 		fasttrap_probe_t *probe = id->fti_probe;
490 		 * We note that this was an entry probe to help ustack() find
497 		dtrace_probe(probe->ftp_id, rp->r_o0, rp->r_o1, rp->r_o2,
515 	 * If there's an is-enabled probe conntected to this tracepoint it
517 	 * there by DTrace when the binary was linked. As this probe is, in
521 	 * scenario where the 'is-enabled' probe was on some other
827 		 * enabled the probe.
1099 	 * Decode the instruction to fill in the probe flags. We can have
1347 	 * it's used as part of a function return probe, we need to indicate
1349 	 * site. If it's part of a return probe, it's always going to be a