jvm_dtrace.h revision 1879
0N/A * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 0N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 0N/A * Interface to dynamically turn on probes in Hotspot JVM. Currently, 0N/A * this interface can be used to dynamically enable certain DTrace 0N/A * probe points that are costly to have "always on". 0N/A/* Attach to the given JVM process. Returns NULL on failure. 0N/A jvm_get_last_error() returns last error message. */ 0N/A/* Returns the last error message from this library or NULL if none. */ 0N/A/* few well-known probe type constants for 'probe_types' param below */ 0N/A/* Enable the specified DTrace probes of given probe types on 0N/A * the specified JVM. Returns >= 0 on success, -1 on failure. * On success, this returns number of probe_types enabled. * On failure, jvm_get_last_error() returns the last error message. /* Note: There is no jvm_disable_dtprobes function. Probes are automatically * disabled when there are no more clients requiring those probes. /* Detach the given JVM. Returns 0 on success, -1 on failure. * jvm_get_last_error() returns the last error message. #
endif /* _JVM_DTRACE_H_ */