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comparison src/share/vm/utilities/debug.cpp @ 6152:958bb4b7be49

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Merge
author asaha
date Tue, 10 Apr 2012 10:42:34 -0700
parents 09d00c18e323
children 6c5b7a6becc8
comparison
equal deleted inserted replaced
6151:e778c29768e6 6152:958bb4b7be49
1 /* 1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
598 extern "C" void flush() { 598 extern "C" void flush() {
599 Command c("flush"); 599 Command c("flush");
600 tty->flush(); 600 tty->flush();
601 } 601 }
602 602
603
604 extern "C" void events() { 603 extern "C" void events() {
605 Command c("events"); 604 Command c("events");
606 Events::print_last(tty, 50); 605 Events::print();
607 } 606 }
608
609
610 extern "C" void nevents(int n) {
611 Command c("events");
612 Events::print_last(tty, n);
613 }
614
615 607
616 // Given a heap address that was valid before the most recent GC, if 608 // Given a heap address that was valid before the most recent GC, if
617 // the oop that used to contain it is still live, prints the new 609 // the oop that used to contain it is still live, prints the new
618 // location of the oop and the address. Useful for tracking down 610 // location of the oop and the address. Useful for tracking down
619 // certain kinds of naked oop and oop map bugs. 611 // certain kinds of naked oop and oop map bugs.
769 tty->print_cr(" findm(intptr_t pc) - finds methodOop"); 761 tty->print_cr(" findm(intptr_t pc) - finds methodOop");
770 tty->print_cr(" find(intptr_t x) - finds & prints nmethod/stub/bytecode/oop based on pointer into it"); 762 tty->print_cr(" find(intptr_t x) - finds & prints nmethod/stub/bytecode/oop based on pointer into it");
771 763
772 tty->print_cr("misc."); 764 tty->print_cr("misc.");
773 tty->print_cr(" flush() - flushes the log file"); 765 tty->print_cr(" flush() - flushes the log file");
774 tty->print_cr(" events() - dump last 50 events"); 766 tty->print_cr(" events() - dump events from ring buffers");
775 767
776 768
777 tty->print_cr("compiler debugging"); 769 tty->print_cr("compiler debugging");
778 tty->print_cr(" debug() - to set things up for compiler debugging"); 770 tty->print_cr(" debug() - to set things up for compiler debugging");
779 tty->print_cr(" ndebug() - undo debug"); 771 tty->print_cr(" ndebug() - undo debug");