8292336: JFR: Warn users if -XX:StartFlightRecording:disk=false is sp…

…ecified with maxage or maxsize Reviewed-by: mgronlun
openjdk · Oct 3, 2022 · a69ee85 · a69ee85
1 parent b8b9b97
commit a69ee85
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdStart.java b/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdStart.java
@@ -139,6 +139,14 @@ public void execute(ArgumentParser parser) throws DCmdException {
         }
 
         if (disk != null) {
+            if (!disk) {
+                if (maxAge != null) {
+                    logWarning("Option maxage has no effect with disk=false.");
+                }
+                if (maxSize != null) {
+                    logWarning("Option maxsize has no effect with disk=false.");
+                }
+            }
             recording.setToDisk(disk.booleanValue());
         }