Mercurial > hg > truffle
annotate src/os/solaris/dtrace/jvm_dtrace.h @ 17570:c28dffbb1d74
Merge
author | asaha |
---|---|
date | Wed, 26 Feb 2014 22:07:40 -0800 |
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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
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_ */ |