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7141200: log some interesting information in ring buffers for crashes

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Reviewed-by: kvn, jrose, kevinw, brutisso, twisti, jmasa
This commit is contained in:
Tom Rodriguez 2012-02-01 07:59:01 -08:00
parent a59952f4c9
commit 5a41427b37
30 changed files with 539 additions and 369 deletions
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14
hotspot/src/share/vm/utilities/debug.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -601,18 +601,6 @@ extern "C" void flush() {
}
extern "C" void events() {
Command c("events");
Events::print_last(tty, 50);
}
extern "C" void nevents(int n) {
Command c("events");
Events::print_last(tty, n);
}
// Given a heap address that was valid before the most recent GC, if
// the oop that used to contain it is still live, prints the new
// location of the oop and the address. Useful for tracking down