+ WARN_ON(strncmp((*entry)->name, elem->name, LTTNG_UST_SYM_NAME_LEN - 1) != 0);
+ /*
+ * Check that signatures match before connecting a probe to a
+ * tracepoint. Warn the user if they don't.
+ */
+ if (strcmp(elem->signature, (*entry)->signature) != 0) {
+ static int warned = 0;
+
+ /* Only print once, don't flood console. */
+ if (!warned) {
+ WARN("Tracepoint signature mismatch, not enabling one or more tracepoints. Ensure that the tracepoint probes prototypes match the application.");
+ WARN("Tracepoint \"%s\" signatures: call: \"%s\" vs probe: \"%s\".",
+ elem->name, elem->signature, (*entry)->signature);
+ warned = 1;
+ }
+ /* Don't accept connecting non-matching signatures. */
+ return;
+ }