RFR: 8275729: Qualified method names in CodeHeap Analytics

[Vladimir Kozlov]

On Mon, 1 Nov 2021 20:51:39 GMT, Evgeny Astigeevich <duke at openjdk.java.net> wrote:

> This PR changes nmethods names in `METHOD NAMES for CodeHeap` section to be  qualified.
> Testing:
> - `make test TEST="gtest"`:  Passed
> - `make run-test TEST="tier1"`: Passed
> - `make run-test TEST="tier2"`: Passed
> - `make run-test TEST=serviceability/dcmd/compiler/CodeHeapAnalyticsMethodNames.java`: Passed

Yes, I am currently testing similar fix:

-            Klass* klass = method->method_holder();
-            assert(klass->is_loader_alive(), "must be alive");
+            Klass* methHolder = method->method_holder();
+            const char*    methHolderS  = (methHolder  == NULL) ? NULL : methHolder->external_name();
+            methHolderS = (methHolderS  == NULL) ? "<method holder name unavailable>" : methHolderS;
 
-            ast->print("%s.", klass->external_name());
+            ast->print("%s.", methHolderS);


Note, failed test is `closed` so I have to run testing.

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PR: https://git.openjdk.java.net/jdk/pull/6200