J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | #!/usr/sbin/dtrace -Zs |
| 2 | /* |
| 3 | * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * |
| 12 | * - Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * - Neither the name of Sun Microsystems nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived |
| 18 | * from this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| 21 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 22 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 27 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 30 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | */ |
| 35 | |
| 36 | /* |
| 37 | * Usage: |
| 38 | * 1. method_compile_stat.d -c "java ..." TOP_RESULTS_COUNT INTERVAL_SECS |
| 39 | * 2. method_compile_stat.d -p JAVA_PID TOP_RESULTS_COUNT INTERVAL_SECS |
| 40 | * |
| 41 | * This script prints statistics about TOP_RESULTS_COUNT (default is 25) |
| 42 | * methods with largest/smallest compilation time every INTERVAL_SECS |
| 43 | * (default is 60) seconds. |
| 44 | * |
| 45 | */ |
| 46 | |
| 47 | #pragma D option quiet |
| 48 | #pragma D option destructive |
| 49 | #pragma D option defaultargs |
| 50 | #pragma D option aggrate=100ms |
| 51 | |
| 52 | |
| 53 | self char *str_ptr; |
| 54 | self string class_name; |
| 55 | self string method_name; |
| 56 | self string signature; |
| 57 | |
| 58 | int INTERVAL_SECS; |
| 59 | |
| 60 | :::BEGIN |
| 61 | { |
| 62 | SAMPLE_NAME = "hotspot methods compilation tracing"; |
| 63 | |
| 64 | TOP_RESULTS_COUNT = $1 ? $1 : 25; |
| 65 | INTERVAL_SECS = $2 ? $2 : 60; |
| 66 | |
| 67 | COMPILED_METHODS_COUNT = 0; |
| 68 | LOADED_METHODS_CNT = 0; |
| 69 | UNLOADED_METHODS_CNT = 0; |
| 70 | |
| 71 | SAMPLING_TIME = timestamp + INTERVAL_SECS * 1000000000ull; |
| 72 | |
| 73 | LINE_SEP = |
| 74 | "------------------------------------------------------------------------"; |
| 75 | |
| 76 | printf("BEGIN %s\n\n", SAMPLE_NAME); |
| 77 | } |
| 78 | |
| 79 | /* |
| 80 | * hotspot:::method-compile-begin |
| 81 | * arg0: char*, a pointer to mUTF-8 string containing the name of |
| 82 | * the compiler |
| 83 | * arg1: uintptr_t, the length of the compiler name (in bytes) |
| 84 | * arg2: char*, a pointer to mUTF-8 string containing the class name of |
| 85 | * the method being compiled |
| 86 | * arg3: uintptr_t, the length of the class name (in bytes) |
| 87 | * arg4: char*, a pointer to mUTF-8 string containing the method name of |
| 88 | * the method being compiled |
| 89 | * arg5: uintptr_t, the length of the method name (in bytes) |
| 90 | * arg6: char*, a pointer to mUTF-8 string containing the signature of |
| 91 | * the method being compiled |
| 92 | * arg7: uintptr_t, the length of the signature(in bytes) |
| 93 | */ |
| 94 | hotspot$target:::method-compile-begin |
| 95 | { |
| 96 | /*compiler_name, len, class_name, len, method_name, len, signature, len*/ |
| 97 | |
| 98 | self->str_ptr = (char*) copyin(arg0, arg1+1); |
| 99 | self->str_ptr[arg1] = '\0'; |
| 100 | compiler_name = (string) self->str_ptr; |
| 101 | |
| 102 | self->str_ptr = (char*) copyin(arg2, arg3+1); |
| 103 | self->str_ptr[arg3] = '\0'; |
| 104 | self->class_name = (string) self->str_ptr; |
| 105 | |
| 106 | self->str_ptr = (char*) copyin(arg4, arg5+1); |
| 107 | self->str_ptr[arg5] = '\0'; |
| 108 | self->method_name = (string) self->str_ptr; |
| 109 | |
| 110 | self->str_ptr = (char*) copyin(arg6, arg7+1); |
| 111 | self->str_ptr[arg7] = '\0'; |
| 112 | self->signature = (string) self->str_ptr; |
| 113 | |
| 114 | self->ts[self->class_name, self->method_name, self->signature] = timestamp; |
| 115 | } |
| 116 | |
| 117 | /* |
| 118 | * hotspot:::method-compile-end |
| 119 | * arg0: char*, a pointer to mUTF-8 string containing the name of |
| 120 | * the compiler |
| 121 | * arg1: uintptr_t, the length of the compiler name (in bytes) |
| 122 | * arg2: char*, a pointer to mUTF-8 string containing the class name of |
| 123 | * the method being compiled |
| 124 | * arg3: uintptr_t, the length of the class name (in bytes) |
| 125 | * arg4: char*, a pointer to mUTF-8 string containing the method name of |
| 126 | * the method being compiled |
| 127 | * arg5: uintptr_t, the length of the method name (in bytes) |
| 128 | * arg6: char*, a pointer to mUTF-8 string containing the signature of |
| 129 | * the method being compiled |
| 130 | * arg7: uintptr_t, the length of the signature(in bytes) |
| 131 | * arg8: uintptr_t, boolean value which indicates if method |
| 132 | * has been compiled successfuly |
| 133 | */ |
| 134 | hotspot$target:::method-compile-end |
| 135 | { |
| 136 | /* compiler_name, len, class_name, len, method_name, len, |
| 137 | signature, len, isSuccess */ |
| 138 | |
| 139 | self->str_ptr = (char*) copyin(arg0, arg1+1); |
| 140 | self->str_ptr[arg1] = '\0'; |
| 141 | compiler_name = (string) self->str_ptr; |
| 142 | |
| 143 | self->str_ptr = (char*) copyin(arg2, arg3+1); |
| 144 | self->str_ptr[arg3] = '\0'; |
| 145 | self->class_name = (string) self->str_ptr; |
| 146 | |
| 147 | self->str_ptr = (char*) copyin(arg4, arg5+1); |
| 148 | self->str_ptr[arg5] = '\0'; |
| 149 | self->method_name = (string) self->str_ptr; |
| 150 | |
| 151 | self->str_ptr = (char*) copyin(arg6, arg7+1); |
| 152 | self->str_ptr[arg7] = '\0'; |
| 153 | self->signature = (string) self->str_ptr; |
| 154 | } |
| 155 | |
| 156 | /* |
| 157 | * Method was successfuly compiled |
| 158 | */ |
| 159 | hotspot$target:::method-compile-end |
| 160 | /arg8 && self->ts[self->class_name, self->method_name, self->signature]/ |
| 161 | { |
| 162 | /* compiler_name, len, class_name, len, method_name, len, |
| 163 | signature, len, isSuccess */ |
| 164 | |
| 165 | COMPILED_METHODS_COUNT++; |
| 166 | |
| 167 | @compile_time_top[self->class_name, self->method_name, self->signature] = |
| 168 | avg((timestamp - |
| 169 | self->ts[self->class_name, self->method_name, self->signature]) / 1000); |
| 170 | |
| 171 | @compile_time_last[self->class_name, self->method_name, self->signature] = |
| 172 | avg((timestamp - |
| 173 | self->ts[self->class_name, self->method_name, self->signature]) / 1000); |
| 174 | |
| 175 | self->ts[self->class_name, self->method_name, self->signature] = 0; |
| 176 | } |
| 177 | |
| 178 | /* |
| 179 | * Method compilation was failed |
| 180 | */ |
| 181 | hotspot$target:::method-compile-end |
| 182 | /arg8 != 1 && self->ts[self->class_name, self->method_name, self->signature]/ |
| 183 | { |
| 184 | /* compiler_name, len, class_name, len, method_name, len, |
| 185 | signature, len, isSuccess */ |
| 186 | |
| 187 | @fail_compile_count[self->class_name, |
| 188 | self->method_name, self->signature] = count(); |
| 189 | } |
| 190 | |
| 191 | hotspot$target:::compiled-method-load |
| 192 | { |
| 193 | /* class_name, len, method_name, len, signature, len, code_address, size */ |
| 194 | |
| 195 | LOADED_METHODS_CNT ++; |
| 196 | } |
| 197 | |
| 198 | hotspot$target:::compiled-method-unload |
| 199 | { |
| 200 | /* class_name, len, method_name, len, signature, len, code_address, size */ |
| 201 | |
| 202 | UNLOADED_METHODS_CNT ++; |
| 203 | } |
| 204 | |
| 205 | |
| 206 | tick-1sec |
| 207 | /timestamp > SAMPLING_TIME/ |
| 208 | { |
| 209 | trunc(@compile_time_top, TOP_RESULTS_COUNT); |
| 210 | trunc(@compile_time_last, -TOP_RESULTS_COUNT); |
| 211 | |
| 212 | printf("\n"); |
| 213 | printf("%s\n", LINE_SEP); |
| 214 | printf("%Y\n", walltimestamp); |
| 215 | printf("%s\n", LINE_SEP); |
| 216 | |
| 217 | printf( |
| 218 | "\nTop %d methods with largest compilation time (in milleseconds):\n", |
| 219 | TOP_RESULTS_COUNT); |
| 220 | printa("%10@d %s::%s%s\n", @compile_time_top); |
| 221 | |
| 222 | printf( |
| 223 | "\nTop %d methods with smallest compilation time (in milleseconds):\n", |
| 224 | TOP_RESULTS_COUNT); |
| 225 | printa("%10@d %s::%s%s\n", @compile_time_last); |
| 226 | |
| 227 | printf("\n"); |
| 228 | printf("Compiled methods: %10d\n", COMPILED_METHODS_COUNT); |
| 229 | printf("Loaded compiled methods: %10d\n", LOADED_METHODS_CNT); |
| 230 | printf("Unoaded compiled methods: %10d\n", UNLOADED_METHODS_CNT); |
| 231 | |
| 232 | printf("\nFailed compilation:\n"); |
| 233 | printa("%10@d %s::%s%s\n", @fail_compile_count); |
| 234 | |
| 235 | SAMPLING_TIME = timestamp + INTERVAL_SECS * 1000000000ull; |
| 236 | } |
| 237 | |
| 238 | :::END |
| 239 | { |
| 240 | trunc(@compile_time_top, TOP_RESULTS_COUNT); |
| 241 | trunc(@compile_time_last, -TOP_RESULTS_COUNT); |
| 242 | |
| 243 | printf("\n"); |
| 244 | printf("%s\n", LINE_SEP); |
| 245 | printf("%Y\n", walltimestamp); |
| 246 | printf("%s\n", LINE_SEP); |
| 247 | |
| 248 | printf( |
| 249 | "\nTop %d methods with largest compilation time (in milleseconds):\n", |
| 250 | TOP_RESULTS_COUNT); |
| 251 | printa("%10@d %s::%s%s\n", @compile_time_top); |
| 252 | |
| 253 | printf( |
| 254 | "\nTop %d methods with smallest compilation time (in milleseconds):\n", |
| 255 | TOP_RESULTS_COUNT); |
| 256 | printa("%10@d %s::%s%s\n", @compile_time_last); |
| 257 | |
| 258 | printf("\n"); |
| 259 | printf("Compiled methods: %10d\n", COMPILED_METHODS_COUNT); |
| 260 | printf("Loaded compiled methods: %10d\n", LOADED_METHODS_CNT); |
| 261 | printf("Unoaded compiled methods: %10d\n", UNLOADED_METHODS_CNT); |
| 262 | |
| 263 | printf("\nFailed compilations:\n"); |
| 264 | printa("%10@d %s::%s%s\n", @fail_compile_count); |
| 265 | |
| 266 | printf("\nEND of %s\n", SAMPLE_NAME); |
| 267 | } |
| 268 | |
| 269 | syscall::rexit:entry, |
| 270 | syscall::exit:entry |
| 271 | /pid == $target/ |
| 272 | { |
| 273 | exit(0); |
| 274 | } |