src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/debug/doc-files/BenchmarkDynamicCountersHelp.txt

rev 52509 : [mq]: graal

@@ -1,10 +1,10 @@
-Turn on the benchmark counters, and listen for specific patterns on System.out/System.err.
-The format of this option is:
+Turn on the benchmark counters. The format of this option is:
 
   (err|out),start pattern,end pattern
   
+Start counting when the start pattern matches on the given stream and stop when the end pattern occurs.
 You can use "~" to match 1 or more digits.
 Examples:
 
   err, starting =====, PASSED in
   out,Iteration ~ (~s) begins:,Iteration ~ (~s) ends:

@@ -20,5 +20,8 @@
   
 The JVMCICounterSize value depends on the granularity of the profiling -
 10000 should be sufficient. Omit JVMCICountersExcludeCompiler to exclude
 counting allocations on the compiler threads.
 The counters can be further configured by the ProfileAllocationsContext option.
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+
+We highly recommend the use of -Dgraal.AbortOnBenchmarkCounterOverflow=true to
+detect counter overflows eagerly.
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