Mercurial > hg > graal-compiler
view src/os/solaris/dtrace/jvm_dtrace.h @ 11547:cefd4cb3cb2d
Merge.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 06 Sep 2013 16:17:16 +0200 |
parents | f95d63e2154a |
children |
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/* * Copyright (c) 2006, 2010, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef _JVM_DTRACE_H_ #define _JVM_DTRACE_H_ /* * Interface to dynamically turn on probes in Hotspot JVM. Currently, * this interface can be used to dynamically enable certain DTrace * probe points that are costly to have "always on". */ #ifdef __cplusplus extern "C" { #endif #include <sys/types.h> struct _jvm_t; typedef struct _jvm_t jvm_t; /* Attach to the given JVM process. Returns NULL on failure. jvm_get_last_error() returns last error message. */ jvm_t* jvm_attach(pid_t pid); /* Returns the last error message from this library or NULL if none. */ const char* jvm_get_last_error(); /* few well-known probe type constants for 'probe_types' param below */ #define JVM_DTPROBE_METHOD_ENTRY "method-entry" #define JVM_DTPROBE_METHOD_RETURN "method-return" #define JVM_DTPROBE_MONITOR_ENTER "monitor-contended-enter" #define JVM_DTPROBE_MONITOR_ENTERED "monitor-contended-entered" #define JVM_DTPROBE_MONITOR_EXIT "monitor-contended-exit" #define JVM_DTPROBE_MONITOR_WAIT "monitor-wait" #define JVM_DTPROBE_MONITOR_WAITED "monitor-waited" #define JVM_DTPROBE_MONITOR_NOTIFY "monitor-notify" #define JVM_DTPROBE_MONITOR_NOTIFYALL "monitor-notifyall" #define JVM_DTPROBE_OBJECT_ALLOC "object-alloc" #define JVM_DTPROBE_ALL "*" /* Enable the specified DTrace probes of given probe types on * 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. */ int jvm_enable_dtprobes(jvm_t* jvm, int num_probe_types, const char** probe_types); /* 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. */ int jvm_detach(jvm_t* jvm); #ifdef __cplusplus } #endif #endif /* _JVM_DTRACE_H_ */