Mercurial > hg > truffle
annotate agent/src/os/solaris/dbx/helloWorld.cpp @ 3773:5130fa1b24f1
7045751: G1: +ExplicitGCInvokesConcurrent causes excessive single region evacuation pauses
Summary: When ExplicitGCInvokesConcurrent is enabled, do not perform an evacuation pause if a marking cycle is already in progress and block the requesting thread until the marking cycle completes.
Reviewed-by: tonyp, ysr
author | johnc |
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date | Wed, 15 Jun 2011 10:18:04 -0700 |
parents | c18cbe5936b8 |
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rev | line source |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved. |
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5 * This code is free software; you can redistribute it and/or modify it | |
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12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
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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, | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 #include <stdio.h> | |
26 #include <inttypes.h> | |
27 | |
28 extern "C" { | |
29 const char* helloWorldString = "Hello, world!"; | |
30 // Do not change these values without changing TestDebugger.java as well | |
31 // FIXME: should make these jbyte, jshort, etc... | |
32 volatile int8_t testByte = 132; | |
33 volatile int16_t testShort = 27890; | |
34 volatile int32_t testInt = 1020304050; | |
35 volatile int64_t testLong = 102030405060708090LL; | |
36 volatile float testFloat = 35.4F; | |
37 volatile double testDouble = 1.23456789; | |
38 | |
39 volatile int helloWorldTrigger = 0; | |
40 } | |
41 | |
42 int | |
43 main(int, char**) { | |
44 while (1) { | |
45 while (helloWorldTrigger == 0) { | |
46 } | |
47 | |
48 fprintf(stderr, "%s\n", helloWorldString); | |
49 fprintf(stderr, "testByte=%d\n", testByte); | |
50 fprintf(stderr, "testShort=%d\n", testShort); | |
51 fprintf(stderr, "testInt=%d\n", testInt); | |
52 fprintf(stderr, "testLong=%d\n", testLong); | |
53 fprintf(stderr, "testFloat=%d\n", testFloat); | |
54 fprintf(stderr, "testDouble=%d\n", testDouble); | |
55 | |
56 while (helloWorldTrigger != 0) { | |
57 } | |
58 } | |
59 } |