Mercurial > hg > truffle
annotate src/os/solaris/dtrace/jvm_dtrace.h @ 4582:b24386206122
Made all vm builds go into subdirectories, even product builds to simplify building the various types of VMs (server, client and graal).
Made HotSpot build jobs use the number of CPUs on the host machine.
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Mon, 13 Feb 2012 23:13:37 +0100 |
| parents | f95d63e2154a |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 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 | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 #ifndef _JVM_DTRACE_H_ | |
| 26 #define _JVM_DTRACE_H_ | |
| 27 | |
| 28 /* | |
| 29 * Interface to dynamically turn on probes in Hotspot JVM. Currently, | |
| 30 * this interface can be used to dynamically enable certain DTrace | |
| 31 * probe points that are costly to have "always on". | |
| 32 */ | |
| 33 | |
| 34 #ifdef __cplusplus | |
| 35 extern "C" { | |
| 36 #endif | |
| 37 | |
| 38 #include <sys/types.h> | |
| 39 | |
| 40 | |
| 41 struct _jvm_t; | |
| 42 typedef struct _jvm_t jvm_t; | |
| 43 | |
| 44 | |
| 45 /* Attach to the given JVM process. Returns NULL on failure. | |
| 46 jvm_get_last_error() returns last error message. */ | |
| 47 jvm_t* jvm_attach(pid_t pid); | |
| 48 | |
| 49 /* Returns the last error message from this library or NULL if none. */ | |
| 50 const char* jvm_get_last_error(); | |
| 51 | |
| 52 /* few well-known probe type constants for 'probe_types' param below */ | |
| 53 | |
| 54 #define JVM_DTPROBE_METHOD_ENTRY "method-entry" | |
| 55 #define JVM_DTPROBE_METHOD_RETURN "method-return" | |
| 56 #define JVM_DTPROBE_MONITOR_ENTER "monitor-contended-enter" | |
| 57 #define JVM_DTPROBE_MONITOR_ENTERED "monitor-contended-entered" | |
| 58 #define JVM_DTPROBE_MONITOR_EXIT "monitor-contended-exit" | |
| 59 #define JVM_DTPROBE_MONITOR_WAIT "monitor-wait" | |
| 60 #define JVM_DTPROBE_MONITOR_WAITED "monitor-waited" | |
| 61 #define JVM_DTPROBE_MONITOR_NOTIFY "monitor-notify" | |
| 62 #define JVM_DTPROBE_MONITOR_NOTIFYALL "monitor-notifyall" | |
| 63 #define JVM_DTPROBE_OBJECT_ALLOC "object-alloc" | |
| 64 #define JVM_DTPROBE_ALL "*" | |
| 65 | |
| 66 /* Enable the specified DTrace probes of given probe types on | |
| 67 * the specified JVM. Returns >= 0 on success, -1 on failure. | |
| 68 * On success, this returns number of probe_types enabled. | |
| 69 * On failure, jvm_get_last_error() returns the last error message. | |
| 70 */ | |
| 71 int jvm_enable_dtprobes(jvm_t* jvm, int num_probe_types, const char** probe_types); | |
| 72 | |
| 73 /* Note: There is no jvm_disable_dtprobes function. Probes are automatically | |
| 74 * disabled when there are no more clients requiring those probes. | |
| 75 */ | |
| 76 | |
| 77 /* Detach the given JVM. Returns 0 on success, -1 on failure. | |
| 78 * jvm_get_last_error() returns the last error message. | |
| 79 */ | |
| 80 int jvm_detach(jvm_t* jvm); | |
| 81 | |
| 82 #ifdef __cplusplus | |
| 83 } | |
| 84 #endif | |
| 85 | |
| 86 #endif /* _JVM_DTRACE_H_ */ |