Mon, 16 Sep 2013 15:35:04 -0700
7164841: Improvements to the GC log file rotation
Summary: made changes to easily identify current log file in rotation. Parameterize the input with %t for time replacement in file name.
Reviewed-by: ccheung, tschatzl, tamao, zgu
Contributed-by: yumin.qi@oracle.com
duke@435 | 1 | /* |
kmo@4586 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "memory/allocation.inline.hpp" |
stefank@2314 | 27 | #include "oops/oop.inline.hpp" |
stefank@2314 | 28 | #include "runtime/arguments.hpp" |
stefank@2314 | 29 | #include "runtime/globals.hpp" |
stefank@2314 | 30 | #include "runtime/globals_extension.hpp" |
stefank@2314 | 31 | #include "utilities/ostream.hpp" |
jprovino@4542 | 32 | #include "utilities/macros.hpp" |
stefank@2314 | 33 | #include "utilities/top.hpp" |
jprovino@4542 | 34 | #if INCLUDE_ALL_GCS |
stefank@2314 | 35 | #include "gc_implementation/g1/g1_globals.hpp" |
jprovino@4542 | 36 | #endif // INCLUDE_ALL_GCS |
stefank@2314 | 37 | #ifdef COMPILER1 |
stefank@2314 | 38 | #include "c1/c1_globals.hpp" |
stefank@2314 | 39 | #endif |
stefank@2314 | 40 | #ifdef COMPILER2 |
stefank@2314 | 41 | #include "opto/c2_globals.hpp" |
stefank@2314 | 42 | #endif |
stefank@2314 | 43 | #ifdef SHARK |
stefank@2314 | 44 | #include "shark/shark_globals.hpp" |
stefank@2314 | 45 | #endif |
duke@435 | 46 | |
duke@435 | 47 | RUNTIME_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ |
duke@435 | 48 | MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ |
phh@3287 | 49 | MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
phh@3287 | 50 | MATERIALIZE_NOTPRODUCT_FLAG, \ |
coleenp@548 | 51 | MATERIALIZE_MANAGEABLE_FLAG, MATERIALIZE_PRODUCT_RW_FLAG, \ |
coleenp@548 | 52 | MATERIALIZE_LP64_PRODUCT_FLAG) |
duke@435 | 53 | |
duke@435 | 54 | RUNTIME_OS_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PD_DEVELOPER_FLAG, \ |
duke@435 | 55 | MATERIALIZE_PRODUCT_FLAG, MATERIALIZE_PD_PRODUCT_FLAG, \ |
duke@435 | 56 | MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_NOTPRODUCT_FLAG) |
duke@435 | 57 | |
twisti@4020 | 58 | ARCH_FLAGS(MATERIALIZE_DEVELOPER_FLAG, MATERIALIZE_PRODUCT_FLAG, \ |
twisti@4020 | 59 | MATERIALIZE_DIAGNOSTIC_FLAG, MATERIALIZE_EXPERIMENTAL_FLAG, \ |
twisti@4020 | 60 | MATERIALIZE_NOTPRODUCT_FLAG) |
twisti@4020 | 61 | |
phh@3303 | 62 | MATERIALIZE_FLAGS_EXT |
phh@3303 | 63 | |
phh@3303 | 64 | |
duke@435 | 65 | bool Flag::is_unlocker() const { |
phh@3287 | 66 | return strcmp(name, "UnlockDiagnosticVMOptions") == 0 || |
phh@3303 | 67 | strcmp(name, "UnlockExperimentalVMOptions") == 0 || |
phh@3303 | 68 | is_unlocker_ext(); |
duke@435 | 69 | } |
duke@435 | 70 | |
duke@435 | 71 | bool Flag::is_unlocked() const { |
kmo@4586 | 72 | if (strcmp(kind, "{diagnostic}") == 0 || |
kmo@4586 | 73 | strcmp(kind, "{C2 diagnostic}") == 0 || |
kmo@4586 | 74 | strcmp(kind, "{ARCH diagnostic}") == 0 || |
kmo@4586 | 75 | strcmp(kind, "{Shark diagnostic}") == 0) { |
duke@435 | 76 | return UnlockDiagnosticVMOptions; |
never@1515 | 77 | } else if (strcmp(kind, "{experimental}") == 0 || |
kmo@4586 | 78 | strcmp(kind, "{C2 experimental}") == 0 || |
kmo@4586 | 79 | strcmp(kind, "{ARCH experimental}") == 0 || |
kmo@4586 | 80 | strcmp(kind, "{Shark experimental}") == 0) { |
ysr@785 | 81 | return UnlockExperimentalVMOptions; |
duke@435 | 82 | } else { |
phh@3303 | 83 | return is_unlocked_ext(); |
duke@435 | 84 | } |
duke@435 | 85 | } |
duke@435 | 86 | |
jmelvin@3650 | 87 | // Get custom message for this locked flag, or return NULL if |
jmelvin@3650 | 88 | // none is available. |
jmelvin@3650 | 89 | void Flag::get_locked_message(char* buf, int buflen) const { |
jmelvin@3650 | 90 | get_locked_message_ext(buf, buflen); |
jmelvin@3650 | 91 | } |
jmelvin@3650 | 92 | |
duke@435 | 93 | bool Flag::is_writeable() const { |
phh@3342 | 94 | return strcmp(kind, "{manageable}") == 0 || |
phh@3342 | 95 | strcmp(kind, "{product rw}") == 0 || |
phh@3342 | 96 | is_writeable_ext(); |
duke@435 | 97 | } |
duke@435 | 98 | |
phh@3342 | 99 | // All flags except "manageable" are assumed to be internal flags. |
duke@435 | 100 | // Long term, we need to define a mechanism to specify which flags |
duke@435 | 101 | // are external/stable and change this function accordingly. |
duke@435 | 102 | bool Flag::is_external() const { |
phh@3342 | 103 | return strcmp(kind, "{manageable}") == 0 || is_external_ext(); |
duke@435 | 104 | } |
duke@435 | 105 | |
phh@3342 | 106 | |
duke@435 | 107 | // Length of format string (e.g. "%.1234s") for printing ccstr below |
duke@435 | 108 | #define FORMAT_BUFFER_LEN 16 |
duke@435 | 109 | |
ikrylov@2123 | 110 | void Flag::print_on(outputStream* st, bool withComments) { |
ikrylov@2123 | 111 | st->print("%9s %-40s %c= ", type, name, (origin != DEFAULT ? ':' : ' ')); |
phh@1502 | 112 | if (is_bool()) st->print("%-16s", get_bool() ? "true" : "false"); |
phh@1502 | 113 | if (is_intx()) st->print("%-16ld", get_intx()); |
phh@1502 | 114 | if (is_uintx()) st->print("%-16lu", get_uintx()); |
phh@1502 | 115 | if (is_uint64_t()) st->print("%-16lu", get_uint64_t()); |
ikrylov@2123 | 116 | if (is_double()) st->print("%-16f", get_double()); |
ikrylov@2123 | 117 | |
duke@435 | 118 | if (is_ccstr()) { |
ikrylov@2123 | 119 | const char* cp = get_ccstr(); |
ikrylov@2123 | 120 | if (cp != NULL) { |
ikrylov@2123 | 121 | const char* eol; |
ikrylov@2123 | 122 | while ((eol = strchr(cp, '\n')) != NULL) { |
ikrylov@2123 | 123 | char format_buffer[FORMAT_BUFFER_LEN]; |
ikrylov@2123 | 124 | size_t llen = pointer_delta(eol, cp, sizeof(char)); |
ikrylov@2123 | 125 | jio_snprintf(format_buffer, FORMAT_BUFFER_LEN, |
never@538 | 126 | "%%." SIZE_FORMAT "s", llen); |
ikrylov@2123 | 127 | st->print(format_buffer, cp); |
ikrylov@2123 | 128 | st->cr(); |
ikrylov@2123 | 129 | cp = eol+1; |
ikrylov@2123 | 130 | st->print("%5s %-35s += ", "", name); |
ikrylov@2123 | 131 | } |
ikrylov@2123 | 132 | st->print("%-16s", cp); |
ikrylov@2123 | 133 | } |
ikrylov@2123 | 134 | else st->print("%-16s", ""); |
duke@435 | 135 | } |
ikrylov@2123 | 136 | st->print("%-20s", kind); |
ikrylov@2123 | 137 | if (withComments) { |
ikrylov@2123 | 138 | #ifndef PRODUCT |
ikrylov@2123 | 139 | st->print("%s", doc ); |
ikrylov@2123 | 140 | #endif |
ikrylov@2123 | 141 | } |
duke@435 | 142 | st->cr(); |
duke@435 | 143 | } |
duke@435 | 144 | |
duke@435 | 145 | void Flag::print_as_flag(outputStream* st) { |
duke@435 | 146 | if (is_bool()) { |
duke@435 | 147 | st->print("-XX:%s%s", get_bool() ? "+" : "-", name); |
duke@435 | 148 | } else if (is_intx()) { |
duke@435 | 149 | st->print("-XX:%s=" INTX_FORMAT, name, get_intx()); |
duke@435 | 150 | } else if (is_uintx()) { |
duke@435 | 151 | st->print("-XX:%s=" UINTX_FORMAT, name, get_uintx()); |
phh@1502 | 152 | } else if (is_uint64_t()) { |
phh@1502 | 153 | st->print("-XX:%s=" UINT64_FORMAT, name, get_uint64_t()); |
brutisso@3752 | 154 | } else if (is_double()) { |
brutisso@3752 | 155 | st->print("-XX:%s=%f", name, get_double()); |
duke@435 | 156 | } else if (is_ccstr()) { |
duke@435 | 157 | st->print("-XX:%s=", name); |
never@538 | 158 | const char* cp = get_ccstr(); |
never@538 | 159 | if (cp != NULL) { |
never@538 | 160 | // Need to turn embedded '\n's back into separate arguments |
never@538 | 161 | // Not so efficient to print one character at a time, |
never@538 | 162 | // but the choice is to do the transformation to a buffer |
never@538 | 163 | // and print that. And this need not be efficient. |
never@538 | 164 | for (; *cp != '\0'; cp += 1) { |
never@538 | 165 | switch (*cp) { |
never@538 | 166 | default: |
never@538 | 167 | st->print("%c", *cp); |
never@538 | 168 | break; |
never@538 | 169 | case '\n': |
never@538 | 170 | st->print(" -XX:%s=", name); |
never@538 | 171 | break; |
never@538 | 172 | } |
duke@435 | 173 | } |
duke@435 | 174 | } |
duke@435 | 175 | } else { |
duke@435 | 176 | ShouldNotReachHere(); |
duke@435 | 177 | } |
duke@435 | 178 | } |
duke@435 | 179 | |
duke@435 | 180 | // 4991491 do not "optimize out" the was_set false values: omitting them |
duke@435 | 181 | // tickles a Microsoft compiler bug causing flagTable to be malformed |
duke@435 | 182 | |
ikrylov@2123 | 183 | #define RUNTIME_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product}", DEFAULT }, |
ikrylov@2123 | 184 | #define RUNTIME_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{pd product}", DEFAULT }, |
ikrylov@2123 | 185 | #define RUNTIME_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{diagnostic}", DEFAULT }, |
ikrylov@2123 | 186 | #define RUNTIME_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{experimental}", DEFAULT }, |
ikrylov@2123 | 187 | #define RUNTIME_MANAGEABLE_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{manageable}", DEFAULT }, |
ikrylov@2123 | 188 | #define RUNTIME_PRODUCT_RW_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{product rw}", DEFAULT }, |
duke@435 | 189 | |
duke@435 | 190 | #ifdef PRODUCT |
duke@435 | 191 | #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
duke@435 | 192 | #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
duke@435 | 193 | #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
duke@435 | 194 | #else |
ikrylov@2123 | 195 | #define RUNTIME_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "", DEFAULT }, |
ikrylov@2123 | 196 | #define RUNTIME_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{pd}", DEFAULT }, |
ikrylov@2123 | 197 | #define RUNTIME_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{notproduct}", DEFAULT }, |
duke@435 | 198 | #endif |
duke@435 | 199 | |
coleenp@548 | 200 | #ifdef _LP64 |
ikrylov@2123 | 201 | #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{lp64_product}", DEFAULT }, |
coleenp@548 | 202 | #else |
coleenp@548 | 203 | #define RUNTIME_LP64_PRODUCT_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
coleenp@548 | 204 | #endif // _LP64 |
coleenp@548 | 205 | |
ikrylov@2123 | 206 | #define C1_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 product}", DEFAULT }, |
ikrylov@2123 | 207 | #define C1_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 pd product}", DEFAULT }, |
roland@5628 | 208 | #define C1_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C1 diagnostic}", DEFAULT }, |
duke@435 | 209 | #ifdef PRODUCT |
duke@435 | 210 | #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
duke@435 | 211 | #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
duke@435 | 212 | #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
duke@435 | 213 | #else |
ikrylov@2123 | 214 | #define C1_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1}", DEFAULT }, |
ikrylov@2123 | 215 | #define C1_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C1 pd}", DEFAULT }, |
ikrylov@2123 | 216 | #define C1_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C1 notproduct}", DEFAULT }, |
duke@435 | 217 | #endif |
duke@435 | 218 | |
ikrylov@2123 | 219 | #define C2_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 product}", DEFAULT }, |
ikrylov@2123 | 220 | #define C2_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 pd product}", DEFAULT }, |
ikrylov@2123 | 221 | #define C2_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 diagnostic}", DEFAULT }, |
ikrylov@2123 | 222 | #define C2_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{C2 experimental}", DEFAULT }, |
duke@435 | 223 | #ifdef PRODUCT |
duke@435 | 224 | #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
duke@435 | 225 | #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
duke@435 | 226 | #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
duke@435 | 227 | #else |
ikrylov@2123 | 228 | #define C2_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2}", DEFAULT }, |
ikrylov@2123 | 229 | #define C2_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{C2 pd}", DEFAULT }, |
ikrylov@2123 | 230 | #define C2_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{C2 notproduct}", DEFAULT }, |
duke@435 | 231 | #endif |
duke@435 | 232 | |
twisti@4020 | 233 | #define ARCH_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH product}", DEFAULT }, |
twisti@4020 | 234 | #define ARCH_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH diagnostic}", DEFAULT }, |
twisti@4020 | 235 | #define ARCH_EXPERIMENTAL_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{ARCH experimental}", DEFAULT }, |
twisti@4020 | 236 | #ifdef PRODUCT |
twisti@4020 | 237 | #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
twisti@4020 | 238 | #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
twisti@4020 | 239 | #else |
twisti@4020 | 240 | #define ARCH_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH}", DEFAULT }, |
twisti@4020 | 241 | #define ARCH_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{ARCH notproduct}", DEFAULT }, |
twisti@4020 | 242 | #endif |
twisti@4020 | 243 | |
ikrylov@2123 | 244 | #define SHARK_PRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark product}", DEFAULT }, |
ikrylov@2123 | 245 | #define SHARK_PD_PRODUCT_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark pd product}", DEFAULT }, |
ikrylov@2123 | 246 | #define SHARK_DIAGNOSTIC_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, NOT_PRODUCT_ARG(doc) "{Shark diagnostic}", DEFAULT }, |
twisti@2047 | 247 | #ifdef PRODUCT |
twisti@2047 | 248 | #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) /* flag is constant */ |
twisti@2047 | 249 | #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) /* flag is constant */ |
twisti@2047 | 250 | #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) |
twisti@2047 | 251 | #else |
ikrylov@2123 | 252 | #define SHARK_DEVELOP_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark}", DEFAULT }, |
ikrylov@2123 | 253 | #define SHARK_PD_DEVELOP_FLAG_STRUCT(type, name, doc) { #type, XSTR(name), &name, doc, "{Shark pd}", DEFAULT }, |
ikrylov@2123 | 254 | #define SHARK_NOTPRODUCT_FLAG_STRUCT(type, name, value, doc) { #type, XSTR(name), &name, doc, "{Shark notproduct}", DEFAULT }, |
twisti@2047 | 255 | #endif |
duke@435 | 256 | |
duke@435 | 257 | static Flag flagTable[] = { |
phh@3287 | 258 | RUNTIME_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_EXPERIMENTAL_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT, RUNTIME_MANAGEABLE_FLAG_STRUCT, RUNTIME_PRODUCT_RW_FLAG_STRUCT, RUNTIME_LP64_PRODUCT_FLAG_STRUCT) |
duke@435 | 259 | RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT) |
jprovino@4542 | 260 | #if INCLUDE_ALL_GCS |
ysr@785 | 261 | G1_FLAGS(RUNTIME_DEVELOP_FLAG_STRUCT, RUNTIME_PD_DEVELOP_FLAG_STRUCT, RUNTIME_PRODUCT_FLAG_STRUCT, RUNTIME_PD_PRODUCT_FLAG_STRUCT, RUNTIME_DIAGNOSTIC_FLAG_STRUCT, RUNTIME_EXPERIMENTAL_FLAG_STRUCT, RUNTIME_NOTPRODUCT_FLAG_STRUCT, RUNTIME_MANAGEABLE_FLAG_STRUCT, RUNTIME_PRODUCT_RW_FLAG_STRUCT) |
jprovino@4542 | 262 | #endif // INCLUDE_ALL_GCS |
duke@435 | 263 | #ifdef COMPILER1 |
roland@5628 | 264 | C1_FLAGS(C1_DEVELOP_FLAG_STRUCT, C1_PD_DEVELOP_FLAG_STRUCT, C1_PRODUCT_FLAG_STRUCT, C1_PD_PRODUCT_FLAG_STRUCT, C1_DIAGNOSTIC_FLAG_STRUCT, C1_NOTPRODUCT_FLAG_STRUCT) |
duke@435 | 265 | #endif |
duke@435 | 266 | #ifdef COMPILER2 |
never@1515 | 267 | C2_FLAGS(C2_DEVELOP_FLAG_STRUCT, C2_PD_DEVELOP_FLAG_STRUCT, C2_PRODUCT_FLAG_STRUCT, C2_PD_PRODUCT_FLAG_STRUCT, C2_DIAGNOSTIC_FLAG_STRUCT, C2_EXPERIMENTAL_FLAG_STRUCT, C2_NOTPRODUCT_FLAG_STRUCT) |
duke@435 | 268 | #endif |
twisti@2047 | 269 | #ifdef SHARK |
twisti@2047 | 270 | SHARK_FLAGS(SHARK_DEVELOP_FLAG_STRUCT, SHARK_PD_DEVELOP_FLAG_STRUCT, SHARK_PRODUCT_FLAG_STRUCT, SHARK_PD_PRODUCT_FLAG_STRUCT, SHARK_DIAGNOSTIC_FLAG_STRUCT, SHARK_NOTPRODUCT_FLAG_STRUCT) |
twisti@2047 | 271 | #endif |
twisti@4020 | 272 | ARCH_FLAGS(ARCH_DEVELOP_FLAG_STRUCT, ARCH_PRODUCT_FLAG_STRUCT, ARCH_DIAGNOSTIC_FLAG_STRUCT, ARCH_EXPERIMENTAL_FLAG_STRUCT, ARCH_NOTPRODUCT_FLAG_STRUCT) |
phh@3303 | 273 | FLAGTABLE_EXT |
duke@435 | 274 | {0, NULL, NULL} |
duke@435 | 275 | }; |
duke@435 | 276 | |
duke@435 | 277 | Flag* Flag::flags = flagTable; |
duke@435 | 278 | size_t Flag::numFlags = (sizeof(flagTable) / sizeof(Flag)); |
duke@435 | 279 | |
tamao@5343 | 280 | inline bool str_equal(const char* s, const char* q, size_t len) { |
duke@435 | 281 | // s is null terminated, q is not! |
duke@435 | 282 | if (strlen(s) != (unsigned int) len) return false; |
duke@435 | 283 | return strncmp(s, q, len) == 0; |
duke@435 | 284 | } |
duke@435 | 285 | |
jmelvin@3650 | 286 | // Search the flag table for a named flag |
tamao@5343 | 287 | Flag* Flag::find_flag(const char* name, size_t length, bool allow_locked) { |
jmelvin@3650 | 288 | for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
duke@435 | 289 | if (str_equal(current->name, name, length)) { |
jmelvin@3650 | 290 | // Found a matching entry. Report locked flags only if allowed. |
duke@435 | 291 | if (!(current->is_unlocked() || current->is_unlocker())) { |
jmelvin@3650 | 292 | if (!allow_locked) { |
jmelvin@3650 | 293 | // disable use of locked flags, e.g. diagnostic, experimental, |
jmelvin@3650 | 294 | // commercial... until they are explicitly unlocked |
jmelvin@3650 | 295 | return NULL; |
jmelvin@3650 | 296 | } |
duke@435 | 297 | } |
duke@435 | 298 | return current; |
duke@435 | 299 | } |
duke@435 | 300 | } |
jmelvin@3650 | 301 | // Flag name is not in the flag table |
duke@435 | 302 | return NULL; |
duke@435 | 303 | } |
duke@435 | 304 | |
tamao@5343 | 305 | // Compute string similarity based on Dice's coefficient |
tamao@5343 | 306 | static float str_similar(const char* str1, const char* str2, size_t len2) { |
tamao@5343 | 307 | int len1 = (int) strlen(str1); |
tamao@5343 | 308 | int total = len1 + (int) len2; |
tamao@5343 | 309 | |
tamao@5343 | 310 | int hit = 0; |
tamao@5343 | 311 | |
tamao@5343 | 312 | for (int i = 0; i < len1 -1; ++i) { |
tamao@5343 | 313 | for (int j = 0; j < (int) len2 -1; ++j) { |
tamao@5343 | 314 | if ((str1[i] == str2[j]) && (str1[i+1] == str2[j+1])) { |
tamao@5343 | 315 | ++hit; |
tamao@5343 | 316 | break; |
tamao@5343 | 317 | } |
tamao@5343 | 318 | } |
tamao@5343 | 319 | } |
tamao@5343 | 320 | |
tamao@5343 | 321 | return 2.0f * (float) hit / (float) total; |
tamao@5343 | 322 | } |
tamao@5343 | 323 | |
tamao@5343 | 324 | Flag* Flag::fuzzy_match(const char* name, size_t length, bool allow_locked) { |
tamao@5343 | 325 | float VMOptionsFuzzyMatchSimilarity = 0.7f; |
tamao@5343 | 326 | Flag* match = NULL; |
tamao@5343 | 327 | float score; |
tamao@5343 | 328 | float max_score = -1; |
tamao@5343 | 329 | |
tamao@5343 | 330 | for (Flag* current = &flagTable[0]; current->name != NULL; current++) { |
tamao@5343 | 331 | score = str_similar(current->name, name, length); |
tamao@5343 | 332 | if (score > max_score) { |
tamao@5343 | 333 | max_score = score; |
tamao@5343 | 334 | match = current; |
tamao@5343 | 335 | } |
tamao@5343 | 336 | } |
tamao@5343 | 337 | |
tamao@5343 | 338 | if (!(match->is_unlocked() || match->is_unlocker())) { |
tamao@5343 | 339 | if (!allow_locked) { |
tamao@5343 | 340 | return NULL; |
tamao@5343 | 341 | } |
tamao@5343 | 342 | } |
tamao@5343 | 343 | |
tamao@5343 | 344 | if (max_score < VMOptionsFuzzyMatchSimilarity) { |
tamao@5343 | 345 | return NULL; |
tamao@5343 | 346 | } |
tamao@5343 | 347 | |
tamao@5343 | 348 | return match; |
tamao@5343 | 349 | } |
tamao@5343 | 350 | |
duke@435 | 351 | // Returns the address of the index'th element |
duke@435 | 352 | static Flag* address_of_flag(CommandLineFlagWithType flag) { |
duke@435 | 353 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
duke@435 | 354 | return &Flag::flags[flag]; |
duke@435 | 355 | } |
duke@435 | 356 | |
duke@435 | 357 | bool CommandLineFlagsEx::is_default(CommandLineFlag flag) { |
duke@435 | 358 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
duke@435 | 359 | Flag* f = &Flag::flags[flag]; |
duke@435 | 360 | return (f->origin == DEFAULT); |
duke@435 | 361 | } |
duke@435 | 362 | |
jmasa@448 | 363 | bool CommandLineFlagsEx::is_ergo(CommandLineFlag flag) { |
jmasa@448 | 364 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
jmasa@448 | 365 | Flag* f = &Flag::flags[flag]; |
jmasa@448 | 366 | return (f->origin == ERGONOMIC); |
jmasa@448 | 367 | } |
jmasa@448 | 368 | |
jmasa@448 | 369 | bool CommandLineFlagsEx::is_cmdline(CommandLineFlag flag) { |
jmasa@448 | 370 | assert((size_t)flag < Flag::numFlags, "bad command line flag index"); |
jmasa@448 | 371 | Flag* f = &Flag::flags[flag]; |
jmasa@448 | 372 | return (f->origin == COMMAND_LINE); |
jmasa@448 | 373 | } |
jmasa@448 | 374 | |
duke@435 | 375 | bool CommandLineFlags::wasSetOnCmdline(const char* name, bool* value) { |
duke@435 | 376 | Flag* result = Flag::find_flag((char*)name, strlen(name)); |
duke@435 | 377 | if (result == NULL) return false; |
duke@435 | 378 | *value = (result->origin == COMMAND_LINE); |
duke@435 | 379 | return true; |
duke@435 | 380 | } |
duke@435 | 381 | |
duke@435 | 382 | bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) { |
duke@435 | 383 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 384 | if (result == NULL) return false; |
duke@435 | 385 | if (!result->is_bool()) return false; |
duke@435 | 386 | *value = result->get_bool(); |
duke@435 | 387 | return true; |
duke@435 | 388 | } |
duke@435 | 389 | |
duke@435 | 390 | bool CommandLineFlags::boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin) { |
duke@435 | 391 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 392 | if (result == NULL) return false; |
duke@435 | 393 | if (!result->is_bool()) return false; |
duke@435 | 394 | bool old_value = result->get_bool(); |
duke@435 | 395 | result->set_bool(*value); |
duke@435 | 396 | *value = old_value; |
duke@435 | 397 | result->origin = origin; |
duke@435 | 398 | return true; |
duke@435 | 399 | } |
duke@435 | 400 | |
duke@435 | 401 | void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin) { |
duke@435 | 402 | Flag* faddr = address_of_flag(flag); |
duke@435 | 403 | guarantee(faddr != NULL && faddr->is_bool(), "wrong flag type"); |
duke@435 | 404 | faddr->set_bool(value); |
duke@435 | 405 | faddr->origin = origin; |
duke@435 | 406 | } |
duke@435 | 407 | |
duke@435 | 408 | bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) { |
duke@435 | 409 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 410 | if (result == NULL) return false; |
duke@435 | 411 | if (!result->is_intx()) return false; |
duke@435 | 412 | *value = result->get_intx(); |
duke@435 | 413 | return true; |
duke@435 | 414 | } |
duke@435 | 415 | |
duke@435 | 416 | bool CommandLineFlags::intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin) { |
duke@435 | 417 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 418 | if (result == NULL) return false; |
duke@435 | 419 | if (!result->is_intx()) return false; |
duke@435 | 420 | intx old_value = result->get_intx(); |
duke@435 | 421 | result->set_intx(*value); |
duke@435 | 422 | *value = old_value; |
duke@435 | 423 | result->origin = origin; |
duke@435 | 424 | return true; |
duke@435 | 425 | } |
duke@435 | 426 | |
duke@435 | 427 | void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin) { |
duke@435 | 428 | Flag* faddr = address_of_flag(flag); |
duke@435 | 429 | guarantee(faddr != NULL && faddr->is_intx(), "wrong flag type"); |
duke@435 | 430 | faddr->set_intx(value); |
duke@435 | 431 | faddr->origin = origin; |
duke@435 | 432 | } |
duke@435 | 433 | |
duke@435 | 434 | bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) { |
duke@435 | 435 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 436 | if (result == NULL) return false; |
duke@435 | 437 | if (!result->is_uintx()) return false; |
duke@435 | 438 | *value = result->get_uintx(); |
duke@435 | 439 | return true; |
duke@435 | 440 | } |
duke@435 | 441 | |
duke@435 | 442 | bool CommandLineFlags::uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin) { |
duke@435 | 443 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 444 | if (result == NULL) return false; |
duke@435 | 445 | if (!result->is_uintx()) return false; |
duke@435 | 446 | uintx old_value = result->get_uintx(); |
duke@435 | 447 | result->set_uintx(*value); |
duke@435 | 448 | *value = old_value; |
duke@435 | 449 | result->origin = origin; |
duke@435 | 450 | return true; |
duke@435 | 451 | } |
duke@435 | 452 | |
duke@435 | 453 | void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin) { |
duke@435 | 454 | Flag* faddr = address_of_flag(flag); |
duke@435 | 455 | guarantee(faddr != NULL && faddr->is_uintx(), "wrong flag type"); |
duke@435 | 456 | faddr->set_uintx(value); |
duke@435 | 457 | faddr->origin = origin; |
duke@435 | 458 | } |
duke@435 | 459 | |
phh@1499 | 460 | bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) { |
phh@1499 | 461 | Flag* result = Flag::find_flag(name, len); |
phh@1499 | 462 | if (result == NULL) return false; |
phh@1499 | 463 | if (!result->is_uint64_t()) return false; |
phh@1499 | 464 | *value = result->get_uint64_t(); |
phh@1499 | 465 | return true; |
phh@1499 | 466 | } |
phh@1499 | 467 | |
phh@1499 | 468 | bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) { |
phh@1499 | 469 | Flag* result = Flag::find_flag(name, len); |
phh@1499 | 470 | if (result == NULL) return false; |
phh@1499 | 471 | if (!result->is_uint64_t()) return false; |
phh@1499 | 472 | uint64_t old_value = result->get_uint64_t(); |
phh@1499 | 473 | result->set_uint64_t(*value); |
phh@1499 | 474 | *value = old_value; |
phh@1499 | 475 | result->origin = origin; |
phh@1499 | 476 | return true; |
phh@1499 | 477 | } |
phh@1499 | 478 | |
phh@1499 | 479 | void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) { |
phh@1499 | 480 | Flag* faddr = address_of_flag(flag); |
phh@1499 | 481 | guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type"); |
phh@1499 | 482 | faddr->set_uint64_t(value); |
phh@1499 | 483 | faddr->origin = origin; |
phh@1499 | 484 | } |
phh@1499 | 485 | |
duke@435 | 486 | bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) { |
duke@435 | 487 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 488 | if (result == NULL) return false; |
duke@435 | 489 | if (!result->is_double()) return false; |
duke@435 | 490 | *value = result->get_double(); |
duke@435 | 491 | return true; |
duke@435 | 492 | } |
duke@435 | 493 | |
duke@435 | 494 | bool CommandLineFlags::doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin) { |
duke@435 | 495 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 496 | if (result == NULL) return false; |
duke@435 | 497 | if (!result->is_double()) return false; |
duke@435 | 498 | double old_value = result->get_double(); |
duke@435 | 499 | result->set_double(*value); |
duke@435 | 500 | *value = old_value; |
duke@435 | 501 | result->origin = origin; |
duke@435 | 502 | return true; |
duke@435 | 503 | } |
duke@435 | 504 | |
duke@435 | 505 | void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin) { |
duke@435 | 506 | Flag* faddr = address_of_flag(flag); |
duke@435 | 507 | guarantee(faddr != NULL && faddr->is_double(), "wrong flag type"); |
duke@435 | 508 | faddr->set_double(value); |
duke@435 | 509 | faddr->origin = origin; |
duke@435 | 510 | } |
duke@435 | 511 | |
duke@435 | 512 | bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) { |
duke@435 | 513 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 514 | if (result == NULL) return false; |
duke@435 | 515 | if (!result->is_ccstr()) return false; |
duke@435 | 516 | *value = result->get_ccstr(); |
duke@435 | 517 | return true; |
duke@435 | 518 | } |
duke@435 | 519 | |
duke@435 | 520 | // Contract: Flag will make private copy of the incoming value. |
duke@435 | 521 | // Outgoing value is always malloc-ed, and caller MUST call free. |
duke@435 | 522 | bool CommandLineFlags::ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin) { |
duke@435 | 523 | Flag* result = Flag::find_flag(name, len); |
duke@435 | 524 | if (result == NULL) return false; |
duke@435 | 525 | if (!result->is_ccstr()) return false; |
duke@435 | 526 | ccstr old_value = result->get_ccstr(); |
never@805 | 527 | char* new_value = NULL; |
never@805 | 528 | if (*value != NULL) { |
zgu@3900 | 529 | new_value = NEW_C_HEAP_ARRAY(char, strlen(*value)+1, mtInternal); |
never@805 | 530 | strcpy(new_value, *value); |
never@805 | 531 | } |
duke@435 | 532 | result->set_ccstr(new_value); |
duke@435 | 533 | if (result->origin == DEFAULT && old_value != NULL) { |
duke@435 | 534 | // Prior value is NOT heap allocated, but was a literal constant. |
zgu@3900 | 535 | char* old_value_to_free = NEW_C_HEAP_ARRAY(char, strlen(old_value)+1, mtInternal); |
duke@435 | 536 | strcpy(old_value_to_free, old_value); |
duke@435 | 537 | old_value = old_value_to_free; |
duke@435 | 538 | } |
duke@435 | 539 | *value = old_value; |
duke@435 | 540 | result->origin = origin; |
duke@435 | 541 | return true; |
duke@435 | 542 | } |
duke@435 | 543 | |
duke@435 | 544 | // Contract: Flag will make private copy of the incoming value. |
duke@435 | 545 | void CommandLineFlagsEx::ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin) { |
duke@435 | 546 | Flag* faddr = address_of_flag(flag); |
duke@435 | 547 | guarantee(faddr != NULL && faddr->is_ccstr(), "wrong flag type"); |
duke@435 | 548 | ccstr old_value = faddr->get_ccstr(); |
zgu@3900 | 549 | char* new_value = NEW_C_HEAP_ARRAY(char, strlen(value)+1, mtInternal); |
duke@435 | 550 | strcpy(new_value, value); |
duke@435 | 551 | faddr->set_ccstr(new_value); |
duke@435 | 552 | if (faddr->origin != DEFAULT && old_value != NULL) { |
duke@435 | 553 | // Prior value is heap allocated so free it. |
zgu@3900 | 554 | FREE_C_HEAP_ARRAY(char, old_value, mtInternal); |
duke@435 | 555 | } |
duke@435 | 556 | faddr->origin = origin; |
duke@435 | 557 | } |
duke@435 | 558 | |
duke@435 | 559 | extern "C" { |
duke@435 | 560 | static int compare_flags(const void* void_a, const void* void_b) { |
duke@435 | 561 | return strcmp((*((Flag**) void_a))->name, (*((Flag**) void_b))->name); |
duke@435 | 562 | } |
duke@435 | 563 | } |
duke@435 | 564 | |
fparain@3402 | 565 | void CommandLineFlags::printSetFlags(outputStream* out) { |
duke@435 | 566 | // Print which flags were set on the command line |
duke@435 | 567 | // note: this method is called before the thread structure is in place |
duke@435 | 568 | // which means resource allocation cannot be used. |
duke@435 | 569 | |
duke@435 | 570 | // Compute size |
duke@435 | 571 | int length= 0; |
duke@435 | 572 | while (flagTable[length].name != NULL) length++; |
duke@435 | 573 | |
duke@435 | 574 | // Sort |
zgu@3900 | 575 | Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
duke@435 | 576 | for (int index = 0; index < length; index++) { |
duke@435 | 577 | array[index] = &flagTable[index]; |
duke@435 | 578 | } |
duke@435 | 579 | qsort(array, length, sizeof(Flag*), compare_flags); |
duke@435 | 580 | |
duke@435 | 581 | |
duke@435 | 582 | for (int i = 0; i < length; i++) { |
duke@435 | 583 | if (array[i]->origin /* naked field! */) { |
fparain@3402 | 584 | array[i]->print_as_flag(out); |
fparain@3402 | 585 | out->print(" "); |
duke@435 | 586 | } |
duke@435 | 587 | } |
fparain@3402 | 588 | out->cr(); |
zgu@3900 | 589 | FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
duke@435 | 590 | } |
duke@435 | 591 | |
duke@435 | 592 | #ifndef PRODUCT |
duke@435 | 593 | |
duke@435 | 594 | |
duke@435 | 595 | void CommandLineFlags::verify() { |
duke@435 | 596 | assert(Arguments::check_vm_args_consistency(), "Some flag settings conflict"); |
duke@435 | 597 | } |
duke@435 | 598 | |
kvn@1585 | 599 | #endif // PRODUCT |
kvn@1585 | 600 | |
fparain@3402 | 601 | void CommandLineFlags::printFlags(outputStream* out, bool withComments) { |
duke@435 | 602 | // Print the flags sorted by name |
duke@435 | 603 | // note: this method is called before the thread structure is in place |
duke@435 | 604 | // which means resource allocation cannot be used. |
duke@435 | 605 | |
duke@435 | 606 | // Compute size |
duke@435 | 607 | int length= 0; |
duke@435 | 608 | while (flagTable[length].name != NULL) length++; |
duke@435 | 609 | |
duke@435 | 610 | // Sort |
zgu@3900 | 611 | Flag** array = NEW_C_HEAP_ARRAY(Flag*, length, mtInternal); |
duke@435 | 612 | for (int index = 0; index < length; index++) { |
duke@435 | 613 | array[index] = &flagTable[index]; |
duke@435 | 614 | } |
duke@435 | 615 | qsort(array, length, sizeof(Flag*), compare_flags); |
duke@435 | 616 | |
duke@435 | 617 | |
fparain@3402 | 618 | out->print_cr("[Global flags]"); |
duke@435 | 619 | for (int i = 0; i < length; i++) { |
duke@435 | 620 | if (array[i]->is_unlocked()) { |
fparain@3402 | 621 | array[i]->print_on(out, withComments); |
duke@435 | 622 | } |
duke@435 | 623 | } |
zgu@3900 | 624 | FREE_C_HEAP_ARRAY(Flag*, array, mtInternal); |
duke@435 | 625 | } |