v1

zhengyu123 · zhengyu123 · commit ddb77af9ccaf · 2026-03-16T11:58:09.000-04:00
diff --git a/ddprof-lib/src/main/cpp/profiler.cpp b/ddprof-lib/src/main/cpp/profiler.cpp
@@ -1222,7 +1222,8 @@ Engine *Profiler::selectWallEngine(Arguments &args) {
     }
   }
   switch (args._wallclock_sampler) {
-        case JVMTI: assert(false);
+        case JVMTI:
+            fprintf(stderr, "[ddprof] [WARN] JVMTI wallclock is not available on this JVM, fallback to ASGCT wallclock");
         case ASGCT:
         default:
             return (Engine*)&wall_asgct_engine;

Original file line number	Diff line number	Diff line change
`@@ -1222,7 +1222,8 @@ Engine *Profiler::selectWallEngine(Arguments &args) {`
`1222`	`1222`	`}`
`1223`	`1223`	`}`
`1224`	`1224`	`switch (args._wallclock_sampler) {`
`1225`		`- case JVMTI: assert(false);`
	`1225`	`+ case JVMTI:`
	`1226`	`+ fprintf(stderr, "[ddprof] [WARN] JVMTI wallclock is not available on this JVM, fallback to ASGCT wallclock");`
`1226`	`1227`	`case ASGCT:`
`1227`	`1228`	`default:`
`1228`	`1229`	`return (Engine*)&wall_asgct_engine;`