| 1 | /* |
| 2 | * Copyright (C) 2011-2012 Julien Desfossez |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License Version 2 as |
| 6 | * published by the Free Software Foundation; |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 16 | */ |
| 17 | |
| 18 | extern "C" { |
| 19 | #include <babeltrace/ctf/events.h> |
| 20 | } |
| 21 | #include <stdlib.h> |
| 22 | #include <linux/unistd.h> |
| 23 | #include <string.h> |
| 24 | #include "common.h" |
| 25 | |
| 26 | StateSystem *state_system; |
| 27 | std::set<Quark> modified_quarks; |
| 28 | unsigned long last_display_update = 0; |
| 29 | unsigned long first_display_update = 0; |
| 30 | sem_t goodtodisplay, goodtoupdate, timer, pause_sem, end_trace_sem, bootstrap; |
| 31 | |
| 32 | int get_cpu_id(const struct bt_ctf_event *event) |
| 33 | { |
| 34 | const struct definition *scope; |
| 35 | int cpu_id; |
| 36 | |
| 37 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); |
| 38 | cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(event, scope, "cpu_id")); |
| 39 | if (bt_ctf_field_get_error()) { |
| 40 | fprintf(stderr, "[error] get cpu_id\n"); |
| 41 | return -1; |
| 42 | } |
| 43 | |
| 44 | return cpu_id; |
| 45 | } |
| 46 | |
| 47 | int get_context_tid(const struct bt_ctf_event *event) |
| 48 | { |
| 49 | const struct definition *scope; |
| 50 | int tid; |
| 51 | |
| 52 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); |
| 53 | tid = bt_ctf_get_int64(bt_ctf_get_field(event, scope, "_tid")); |
| 54 | if (bt_ctf_field_get_error()) { |
| 55 | fprintf(stderr, "Missing tid context info\n"); |
| 56 | return -1; |
| 57 | } |
| 58 | |
| 59 | return tid; |
| 60 | } |
| 61 | |
| 62 | int get_context_pid(const struct bt_ctf_event *event) |
| 63 | { |
| 64 | const struct definition *scope; |
| 65 | int pid; |
| 66 | |
| 67 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); |
| 68 | pid = bt_ctf_get_int64(bt_ctf_get_field(event, scope, "_pid")); |
| 69 | if (bt_ctf_field_get_error()) { |
| 70 | fprintf(stderr, "Missing pid context info\n"); |
| 71 | return -1; |
| 72 | } |
| 73 | |
| 74 | return pid; |
| 75 | } |
| 76 | |
| 77 | int get_context_ppid(const struct bt_ctf_event *event) |
| 78 | { |
| 79 | const struct definition *scope; |
| 80 | int ppid; |
| 81 | |
| 82 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); |
| 83 | ppid = bt_ctf_get_int64(bt_ctf_get_field(event, scope, "_ppid")); |
| 84 | if (bt_ctf_field_get_error()) { |
| 85 | fprintf(stderr, "Missing ppid context info\n"); |
| 86 | return -1; |
| 87 | } |
| 88 | |
| 89 | return ppid; |
| 90 | } |
| 91 | |
| 92 | char *get_context_comm(const struct bt_ctf_event *event) |
| 93 | { |
| 94 | const struct definition *scope; |
| 95 | char *comm; |
| 96 | |
| 97 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); |
| 98 | comm = bt_ctf_get_char_array(bt_ctf_get_field(event, |
| 99 | scope, "_procname")); |
| 100 | if (bt_ctf_field_get_error()) { |
| 101 | fprintf(stderr, "Missing comm context info\n"); |
| 102 | return NULL; |
| 103 | } |
| 104 | |
| 105 | return comm; |
| 106 | } |
| 107 | |
| 108 | /* |
| 109 | * To get the parent process, put the pid in the tid field |
| 110 | * because the parent process gets pid = tid |
| 111 | */ |
| 112 | bool find_process_tid(int tid, Quark &ret_proc_quark) |
| 113 | { |
| 114 | std::string path_name = path_name_from_tid(tid); |
| 115 | |
| 116 | if (state_system->attributeExists(path_name)) { |
| 117 | ret_proc_quark = state_system->getQuark(path_name); |
| 118 | return true; |
| 119 | } else { |
| 120 | return false; |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | Quark add_proc(int tid, std::string comm, unsigned long timestamp) |
| 125 | { |
| 126 | Quark proc_quark = state_system->getQuark(path_name_from_tid(tid)); |
| 127 | |
| 128 | modify_attribute(timestamp, &proc_quark, "comm", comm); |
| 129 | modify_attribute(timestamp, &proc_quark, "tid", tid); |
| 130 | modify_attribute(timestamp, &proc_quark, "birth", timestamp); |
| 131 | modify_attribute(timestamp, &proc_quark, "totalfileread", 0); |
| 132 | modify_attribute(timestamp, &proc_quark, "totalfilewrite", 0); |
| 133 | modify_attribute(timestamp, &proc_quark, "fileread", 0); |
| 134 | modify_attribute(timestamp, &proc_quark, "filewrite", 0); |
| 135 | modify_attribute(timestamp, &proc_quark, "totalcpunsec", 0UL); |
| 136 | modify_attribute(timestamp, &proc_quark, "threadstotalcpunsec", 0UL); |
| 137 | modify_attribute(timestamp, &proc_quark, "selected", 0); |
| 138 | |
| 139 | increment_attribute(timestamp, NULL, "nbnewthreads"); |
| 140 | increment_attribute(timestamp, NULL, "nbthreads"); |
| 141 | |
| 142 | add_in_sequence(timestamp, proc_quark, state_system->getQuark("proc")); |
| 143 | |
| 144 | return proc_quark; |
| 145 | } |
| 146 | |
| 147 | void update_proc(unsigned long timestamp, Quark proc, int pid, int tid, |
| 148 | int ppid, char *comm) |
| 149 | { |
| 150 | modify_attribute(timestamp, &proc, "pid", pid); |
| 151 | modify_attribute(timestamp, &proc, "tid", tid); |
| 152 | modify_attribute(timestamp, &proc, "ppid", ppid); |
| 153 | modify_attribute(timestamp, &proc, "comm", comm); |
| 154 | } |
| 155 | |
| 156 | /* |
| 157 | * This function just sets the time of death of a process. |
| 158 | * When we rotate the cputime we remove it from the process list. |
| 159 | */ |
| 160 | void death_proc(int tid, char *comm, unsigned long timestamp) |
| 161 | { |
| 162 | Quark proc_quark; |
| 163 | std::string procname; |
| 164 | bool proc_found; |
| 165 | bool procname_found; |
| 166 | |
| 167 | proc_found = find_process_tid(tid, proc_quark); |
| 168 | if (proc_found) { |
| 169 | procname_found = get_current_attribute_value_string( |
| 170 | &proc_quark, "comm", procname); |
| 171 | if (procname_found && procname == comm) { |
| 172 | modify_attribute(timestamp, &proc_quark, "death", |
| 173 | timestamp); |
| 174 | increment_attribute(timestamp, NULL, "nbdeadthreads"); |
| 175 | decrement_attribute(timestamp, NULL, "nbthreads"); |
| 176 | } |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | Quark get_proc(int tid, char *comm, unsigned long timestamp) |
| 181 | { |
| 182 | Quark proc_quark; |
| 183 | std::string proc_comm; |
| 184 | bool exists = find_process_tid(tid, proc_quark); |
| 185 | std::string comm_str(comm); |
| 186 | |
| 187 | if (!exists) |
| 188 | proc_quark = add_proc(tid, comm_str, timestamp); |
| 189 | |
| 190 | /* If PID already exists under different name, |
| 191 | we just rename the process */ |
| 192 | /* FIXME : need to integrate with clone/fork/exit to be accurate */ |
| 193 | else { |
| 194 | get_current_attribute_value_string(&proc_quark, "comm", |
| 195 | proc_comm); |
| 196 | if (comm_str != proc_comm) |
| 197 | modify_attribute(timestamp, &proc_quark, "comm", comm); |
| 198 | } |
| 199 | |
| 200 | return proc_quark; |
| 201 | } |
| 202 | |
| 203 | Quark get_proc_pid(int pid, int tid, unsigned long timestamp) |
| 204 | { |
| 205 | Quark proc; |
| 206 | bool proc_found; |
| 207 | int proc_pid; |
| 208 | bool pid_found; |
| 209 | |
| 210 | proc_found = find_process_tid(tid, proc); |
| 211 | if (proc_found) { |
| 212 | pid_found = get_current_attribute_value_int(&proc, "pid", |
| 213 | proc_pid); |
| 214 | if (pid_found && proc_pid == pid) |
| 215 | return proc; |
| 216 | } |
| 217 | return add_proc(tid, "Unknown", timestamp); |
| 218 | } |
| 219 | |
| 220 | void add_thread(unsigned long timestamp, Quark parent, Quark thread) |
| 221 | { |
| 222 | std::string path; |
| 223 | int tid; |
| 224 | Quark thread_in_parent; |
| 225 | |
| 226 | get_current_attribute_value_int(&thread, "tid", tid); |
| 227 | path = thread_path_name_from_tid(tid); |
| 228 | |
| 229 | if (!state_system->attributeExists(parent, path)) { |
| 230 | thread_in_parent = state_system->getQuark(parent, path); |
| 231 | modify_attribute(timestamp, &thread_in_parent, "", thread); |
| 232 | add_in_sequence(timestamp, thread_in_parent, |
| 233 | state_system->getQuark(parent, "threads")); |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | Quark add_cpu(int cpu, unsigned long timestamp) |
| 238 | { |
| 239 | Quark cpu_quark = state_system->getQuark(path_name_from_cpuid(cpu)); |
| 240 | Quark cpu_root = state_system->getQuark("cpu"); |
| 241 | modify_attribute(timestamp, &cpu_quark, "id", cpu); |
| 242 | |
| 243 | add_in_sequence(timestamp, cpu_quark, cpu_root); |
| 244 | |
| 245 | return cpu_quark; |
| 246 | } |
| 247 | |
| 248 | Quark get_cpu(int cpu, unsigned long timestamp) |
| 249 | { |
| 250 | std::string path = path_name_from_cpuid(cpu); |
| 251 | if (state_system->attributeExists(path)) |
| 252 | return state_system->getQuark(path); |
| 253 | else |
| 254 | return add_cpu(cpu, timestamp); |
| 255 | } |
| 256 | |
| 257 | /* |
| 258 | * At the end of a sampling period, we need to display the cpu time for each |
| 259 | * process |
| 260 | */ |
| 261 | void rotate_cputime(unsigned long end) |
| 262 | { |
| 263 | Quark cpu; |
| 264 | Quark current_task; |
| 265 | unsigned long elapsed; |
| 266 | unsigned long start; |
| 267 | int tid; |
| 268 | int pid; |
| 269 | |
| 270 | if (!get_current_attribute_value_quark(NULL, "cpu", cpu)) { |
| 271 | // No CPU to process |
| 272 | return; |
| 273 | } |
| 274 | |
| 275 | do { |
| 276 | get_current_attribute_value_ulong(&cpu, "task_start", start); |
| 277 | elapsed = end - start; |
| 278 | if (get_current_attribute_value_quark(&cpu, "current_task", |
| 279 | current_task)) { |
| 280 | increase_attribute( |
| 281 | end, ¤t_task, "totalcpunsec", elapsed); |
| 282 | increase_attribute( |
| 283 | end, ¤t_task, "threadstotalcpunsec", |
| 284 | elapsed); |
| 285 | get_current_attribute_value_int( |
| 286 | ¤t_task, "pid", pid); |
| 287 | get_current_attribute_value_int( |
| 288 | ¤t_task, "tid", tid); |
| 289 | if (pid != tid && |
| 290 | state_system->attributeExists( |
| 291 | current_task, "threadparent")) { |
| 292 | increase_attribute( |
| 293 | end, ¤t_task, |
| 294 | "threadparent/threadstotalcpunsec", |
| 295 | elapsed); |
| 296 | } |
| 297 | } |
| 298 | modify_attribute(end + 1, &cpu, "task_start", end); |
| 299 | } while (get_current_attribute_value_quark(&cpu, "next", cpu)); |
| 300 | } |
| 301 | |
| 302 | void update_state_on_refresh(unsigned long start, unsigned long end) |
| 303 | { |
| 304 | Quark proc; |
| 305 | |
| 306 | rotate_cputime(end); |
| 307 | |
| 308 | if (get_current_attribute_value_quark(NULL, "proc", proc)) { |
| 309 | do { |
| 310 | update_proc_on_refresh(proc, start, end); |
| 311 | } while (get_current_attribute_value_quark( |
| 312 | &proc, "next", proc)); |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | enum bt_cb_ret handle_statedump_process_state( |
| 317 | struct bt_ctf_event *call_data, void *private_data) |
| 318 | { |
| 319 | const struct definition *scope; |
| 320 | unsigned long timestamp; |
| 321 | int pid, tid; |
| 322 | /* FIXME */ |
| 323 | /* char *procname; */ |
| 324 | Quark proc_quark; |
| 325 | |
| 326 | timestamp = bt_ctf_get_timestamp(call_data); |
| 327 | if (timestamp == -1ULL) |
| 328 | goto error; |
| 329 | |
| 330 | scope = bt_ctf_get_top_level_scope(call_data, |
| 331 | BT_EVENT_FIELDS); |
| 332 | pid = bt_ctf_get_int64(bt_ctf_get_field(call_data, |
| 333 | scope, "_pid")); |
| 334 | if (bt_ctf_field_get_error()) { |
| 335 | fprintf(stderr, "Missing pid context info\n"); |
| 336 | goto error; |
| 337 | } |
| 338 | |
| 339 | scope = bt_ctf_get_top_level_scope(call_data, |
| 340 | BT_EVENT_FIELDS); |
| 341 | tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, |
| 342 | scope, "_tid")); |
| 343 | if (bt_ctf_field_get_error()) { |
| 344 | fprintf(stderr, "Missing tid context info\n"); |
| 345 | goto error; |
| 346 | } |
| 347 | |
| 348 | /* |
| 349 | * FIXME |
| 350 | * I first tried with bt_ctf_get_string but doesn`t work at all |
| 351 | * It couldn`t find the field _name because it is an integer in |
| 352 | * the metadata and not a string like _filename for the |
| 353 | * statedump_file_descriptor |
| 354 | */ |
| 355 | /* |
| 356 | * FIXME |
| 357 | * We use "Dumped" instead of procname because procname sometimes |
| 358 | * causes memory corruption. All FIXME's in this function are |
| 359 | * related to this. |
| 360 | */ |
| 361 | /* procname = bt_ctf_get_char_array(bt_ctf_get_field(call_data, |
| 362 | scope, "_name")); */ |
| 363 | if (bt_ctf_field_get_error()) { |
| 364 | fprintf(stderr, "Missing process name context info\n"); |
| 365 | goto error; |
| 366 | } |
| 367 | |
| 368 | proc_quark = get_proc(tid, (char *)"Dumped", timestamp); |
| 369 | modify_attribute(timestamp, &proc_quark, "pid", pid); |
| 370 | |
| 371 | /* FIXME */ |
| 372 | /* free(procname); */ |
| 373 | |
| 374 | return BT_CB_OK; |
| 375 | |
| 376 | error: |
| 377 | return BT_CB_ERROR_STOP; |
| 378 | } |
| 379 | |
| 380 | std::string path_name_from_cpuid(int cpuid) |
| 381 | { |
| 382 | std::stringstream ss; |
| 383 | ss << "cpus/" << cpuid; |
| 384 | return ss.str(); |
| 385 | } |
| 386 | |
| 387 | std::string thread_path_name_from_tid(int tid) |
| 388 | { |
| 389 | std::stringstream ss; |
| 390 | ss << "threads/" << tid; |
| 391 | return ss.str(); |
| 392 | } |
| 393 | |
| 394 | std::string path_name_from_tid(int tid) |
| 395 | { |
| 396 | std::stringstream ss; |
| 397 | ss << "processes/" << tid; |
| 398 | return ss.str(); |
| 399 | } |
| 400 | |
| 401 | std::string path_name_from_fd(int fd) |
| 402 | { |
| 403 | std::stringstream ss; |
| 404 | ss << "files/" << fd; |
| 405 | return ss.str(); |
| 406 | } |
| 407 | |
| 408 | void update_file_on_refresh(Quark proc, Quark file, unsigned long end) |
| 409 | { |
| 410 | int flag; |
| 411 | int fd; |
| 412 | std::string path; |
| 413 | Quark file_pointer; |
| 414 | |
| 415 | /* File closed */ |
| 416 | get_current_attribute_value_int(&file, "file/flag", flag); |
| 417 | if (flag == __NR_close) { |
| 418 | get_current_attribute_value_int(&file, "file/fd", fd); |
| 419 | if (fd != -1) { |
| 420 | path = path_name_from_fd(fd); |
| 421 | file_pointer = state_system->getQuark(proc, path); |
| 422 | state_system->removeAttribute(end + 1, file_pointer); |
| 423 | state_system->modifyAttribute(end + 1, |
| 424 | state_system->getQuark( |
| 425 | file, "file/fd"), |
| 426 | -1); |
| 427 | } |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | void update_proc_on_refresh(Quark proc, unsigned long start, unsigned long end) |
| 432 | { |
| 433 | |
| 434 | int fileread = 0; |
| 435 | int filewrite = 0; |
| 436 | unsigned long time; |
| 437 | unsigned long death; |
| 438 | Quark parent; |
| 439 | Quark file; |
| 440 | int tid; |
| 441 | std::string path; |
| 442 | |
| 443 | /* Process died */ |
| 444 | if (get_current_attribute_value_ulong(&proc, "death", death) && |
| 445 | death > 0 && death <= end) { |
| 446 | /* Remove thread from threadparent's threads */ |
| 447 | if (get_current_attribute_value_quark( |
| 448 | &proc, "threadparent", parent)) { |
| 449 | get_current_attribute_value_int(&proc, "tid", tid); |
| 450 | path = thread_path_name_from_tid(tid); |
| 451 | remove_from_sequence( |
| 452 | end + 1, |
| 453 | state_system->getQuark(parent, path), |
| 454 | state_system->getQuark(parent, "threads")); |
| 455 | } |
| 456 | |
| 457 | remove_from_sequence(end + 1, proc, |
| 458 | state_system->getQuark("proc")); |
| 459 | return; |
| 460 | } |
| 461 | |
| 462 | /* Files */ |
| 463 | if (get_current_attribute_value_quark( |
| 464 | &proc, "files_history/current", file)) { |
| 465 | do { |
| 466 | update_file_on_refresh(proc, file, end); |
| 467 | } while (get_current_attribute_value_quark( |
| 468 | &file, "next", file)); |
| 469 | } |
| 470 | |
| 471 | /* compute the stream speed */ |
| 472 | if (end - start != 0) { |
| 473 | time = end - start; |
| 474 | get_current_attribute_value_int(&proc, "fileread", fileread); |
| 475 | get_current_attribute_value_int(&proc, "filewrite", filewrite); |
| 476 | modify_attribute(end, &proc, "fileread", (int)(fileread / time)); |
| 477 | modify_attribute(end, &proc, "filewrite", (int)(filewrite / time)); |
| 478 | } |
| 479 | } |
| 480 | |
| 481 | void modify_attribute(unsigned long timestamp, const Quark *starting_node, |
| 482 | std::string attribute, int value) |
| 483 | { |
| 484 | Quark q; |
| 485 | if (starting_node) |
| 486 | q = state_system->getQuark(*starting_node, attribute); |
| 487 | else |
| 488 | q = state_system->getQuark(attribute); |
| 489 | state_system->updateCurrentState(q, value); |
| 490 | |
| 491 | modified_quarks.insert(q); |
| 492 | } |
| 493 | |
| 494 | void modify_attribute(unsigned long timestamp, const Quark *starting_node, |
| 495 | std::string attribute, Quark value) |
| 496 | { |
| 497 | Quark q; |
| 498 | if (starting_node) |
| 499 | q = state_system->getQuark(*starting_node, attribute); |
| 500 | else |
| 501 | q = state_system->getQuark(attribute); |
| 502 | state_system->updateCurrentState(q, StateValue::SharedPtr( |
| 503 | new QuarkStateValue(value))); |
| 504 | |
| 505 | modified_quarks.insert(q); |
| 506 | } |
| 507 | |
| 508 | void modify_attribute(unsigned long timestamp, const Quark *starting_node, |
| 509 | std::string attribute, char *value) |
| 510 | { |
| 511 | Quark q; |
| 512 | if (starting_node) |
| 513 | q = state_system->getQuark(*starting_node, attribute); |
| 514 | else |
| 515 | q = state_system->getQuark(attribute); |
| 516 | state_system->updateCurrentState(q, std::string(value)); |
| 517 | |
| 518 | modified_quarks.insert(q); |
| 519 | } |
| 520 | |
| 521 | void modify_attribute(unsigned long timestamp, const Quark *starting_node, |
| 522 | std::string attribute, std::string value) |
| 523 | { |
| 524 | Quark q; |
| 525 | if (starting_node) |
| 526 | q = state_system->getQuark(*starting_node, attribute); |
| 527 | else |
| 528 | q = state_system->getQuark(attribute); |
| 529 | state_system->updateCurrentState(q, value); |
| 530 | |
| 531 | modified_quarks.insert(q); |
| 532 | } |
| 533 | |
| 534 | void modify_attribute(unsigned long timestamp, const Quark *starting_node, |
| 535 | std::string attribute, unsigned long value) |
| 536 | { |
| 537 | // Libstate works with 32-bit ints, we split the 64-bit ulong |
| 538 | // into 2 32-bit ints |
| 539 | unsigned int h = value >> 32; |
| 540 | unsigned int l = value & 0xffffffff; |
| 541 | Quark ql, qh; |
| 542 | |
| 543 | if (starting_node) { |
| 544 | ql = state_system->getQuark(*starting_node, attribute + "/l"); |
| 545 | qh = state_system->getQuark(*starting_node, attribute + "/h"); |
| 546 | } |
| 547 | else { |
| 548 | ql = state_system->getQuark(attribute + "/l"); |
| 549 | qh = state_system->getQuark(attribute + "/h"); |
| 550 | } |
| 551 | state_system->updateCurrentState(ql, l); |
| 552 | state_system->updateCurrentState(qh, h); |
| 553 | |
| 554 | modified_quarks.insert(ql); |
| 555 | modified_quarks.insert(qh); |
| 556 | } |
| 557 | |
| 558 | void nullify_attribute(unsigned long timestamp, const Quark *starting_node, |
| 559 | std::string attribute) |
| 560 | { |
| 561 | Quark q; |
| 562 | q = state_system->getQuark(*starting_node, attribute); |
| 563 | state_system->updateCurrentState(q, StateValue::getNullValue()); |
| 564 | |
| 565 | modified_quarks.insert(q); |
| 566 | } |
| 567 | |
| 568 | void increment_attribute(unsigned long timestamp, const Quark *starting_node, |
| 569 | std::string attribute) |
| 570 | { |
| 571 | increase_attribute(timestamp, starting_node, attribute, 1); |
| 572 | } |
| 573 | |
| 574 | void increase_attribute(unsigned long timestamp, const Quark *starting_node, |
| 575 | std::string attribute, int amount) |
| 576 | { |
| 577 | int starting_value = 0; |
| 578 | get_current_attribute_value_int(starting_node, attribute, |
| 579 | starting_value); |
| 580 | modify_attribute(timestamp, starting_node, attribute, |
| 581 | starting_value + amount); |
| 582 | } |
| 583 | |
| 584 | void increase_attribute(unsigned long timestamp, const Quark *starting_node, |
| 585 | std::string attribute, unsigned long amount) |
| 586 | { |
| 587 | unsigned long starting_value = 0; |
| 588 | get_current_attribute_value_ulong(starting_node, attribute, |
| 589 | starting_value); |
| 590 | modify_attribute(timestamp, starting_node, attribute, |
| 591 | starting_value + amount); |
| 592 | } |
| 593 | |
| 594 | void decrement_attribute(unsigned long timestamp, const Quark *starting_node, |
| 595 | std::string attribute) |
| 596 | { |
| 597 | decrease_attribute(timestamp, starting_node, attribute, 1); |
| 598 | } |
| 599 | |
| 600 | void decrease_attribute(unsigned long timestamp, const Quark *starting_node, |
| 601 | std::string attribute, int amount) |
| 602 | { |
| 603 | int starting_value = 0; |
| 604 | get_current_attribute_value_int(starting_node, attribute, |
| 605 | starting_value); |
| 606 | modify_attribute(timestamp, starting_node, attribute, |
| 607 | starting_value - amount); |
| 608 | } |
| 609 | |
| 610 | void decrease_attribute(unsigned long timestamp, const Quark *starting_node, |
| 611 | std::string attribute, unsigned long amount) |
| 612 | { |
| 613 | unsigned long starting_value = 0; |
| 614 | get_current_attribute_value_ulong(starting_node, attribute, |
| 615 | starting_value); |
| 616 | modify_attribute(timestamp, starting_node, attribute, |
| 617 | starting_value - amount); |
| 618 | } |
| 619 | |
| 620 | bool get_current_attribute_value_int(const Quark *starting_node, |
| 621 | std::string attribute, int &value) |
| 622 | { |
| 623 | IntegerStateValue::SharedPtr value_ptr; |
| 624 | Quark q; |
| 625 | |
| 626 | if (starting_node == NULL) |
| 627 | q = state_system->getQuark(attribute); |
| 628 | else |
| 629 | q = state_system->getQuark(*starting_node, attribute); |
| 630 | value_ptr = std::tr1::dynamic_pointer_cast<IntegerStateValue>( |
| 631 | state_system->getCurrentStateValue(q)); |
| 632 | |
| 633 | if (value_ptr) { |
| 634 | value = value_ptr->getValue(); |
| 635 | return true; |
| 636 | } |
| 637 | return false; |
| 638 | } |
| 639 | |
| 640 | bool get_current_attribute_value_ulong(const Quark *starting_node, |
| 641 | std::string attribute, |
| 642 | unsigned long &value) |
| 643 | { |
| 644 | // Libstate works with 32-bit ints, we split the 64-bit ulong |
| 645 | // into 2 32-bit ints |
| 646 | IntegerStateValue::SharedPtr value_ptr_l, value_ptr_h; |
| 647 | Quark ql, qh; |
| 648 | unsigned int l, h; |
| 649 | |
| 650 | if (starting_node == NULL) { |
| 651 | ql = state_system->getQuark(attribute + "/l"); |
| 652 | qh = state_system->getQuark(attribute + "/h"); |
| 653 | } |
| 654 | else { |
| 655 | ql = state_system->getQuark(*starting_node, attribute + "/l"); |
| 656 | qh = state_system->getQuark(*starting_node, attribute + "/h"); |
| 657 | } |
| 658 | value_ptr_l = std::tr1::dynamic_pointer_cast<IntegerStateValue>( |
| 659 | state_system->getCurrentStateValue(ql)); |
| 660 | value_ptr_h = std::tr1::dynamic_pointer_cast<IntegerStateValue>( |
| 661 | state_system->getCurrentStateValue(qh)); |
| 662 | |
| 663 | if (value_ptr_l && value_ptr_h) { |
| 664 | l = value_ptr_l->getValue(); |
| 665 | h = value_ptr_h->getValue(); |
| 666 | value = (unsigned long)h << 32 | l; |
| 667 | return true; |
| 668 | } |
| 669 | return false; |
| 670 | } |
| 671 | |
| 672 | bool get_current_attribute_value_quark(const Quark *starting_node, |
| 673 | std::string attribute, Quark &value) |
| 674 | { |
| 675 | QuarkStateValue::SharedPtr value_ptr; |
| 676 | IntegerStateValue::SharedPtr value_ptr_int; |
| 677 | Quark q; |
| 678 | |
| 679 | if (starting_node == NULL) |
| 680 | q = state_system->getQuark(attribute); |
| 681 | else |
| 682 | q = state_system->getQuark(*starting_node, attribute); |
| 683 | value_ptr = std::tr1::dynamic_pointer_cast<QuarkStateValue>( |
| 684 | state_system->getCurrentStateValue(q)); |
| 685 | |
| 686 | if (value_ptr) { |
| 687 | value = value_ptr->getValue(); |
| 688 | return true; |
| 689 | } else { |
| 690 | /* Quark attribute support is not fully integrated in libstate |
| 691 | and librbrntrvll so quarks may get demoted to ints */ |
| 692 | value_ptr_int = std::tr1::dynamic_pointer_cast<IntegerStateValue>( |
| 693 | state_system->getCurrentStateValue(q)); |
| 694 | if (value_ptr_int) { |
| 695 | value = (Quark)value_ptr_int->getValue(); |
| 696 | return true; |
| 697 | } |
| 698 | } |
| 699 | return false; |
| 700 | } |
| 701 | |
| 702 | bool get_current_attribute_value_string(const Quark *starting_node, |
| 703 | std::string attribute, std::string &value) |
| 704 | { |
| 705 | StringStateValue::SharedPtr value_ptr; |
| 706 | Quark q; |
| 707 | |
| 708 | if (starting_node == NULL) |
| 709 | q = state_system->getQuark(attribute); |
| 710 | else |
| 711 | q = state_system->getQuark(*starting_node, attribute); |
| 712 | value_ptr = std::tr1::dynamic_pointer_cast<StringStateValue>( |
| 713 | state_system->getCurrentStateValue(q)); |
| 714 | |
| 715 | if (value_ptr) { |
| 716 | value = value_ptr->getValue(); |
| 717 | return true; |
| 718 | } |
| 719 | return false; |
| 720 | } |
| 721 | |
| 722 | bool get_attribute_value_at_int(unsigned long timestamp, |
| 723 | const Quark *starting_node, |
| 724 | std::string attribute, |
| 725 | int &value) |
| 726 | { |
| 727 | StateInterval interval; |
| 728 | Quark q; |
| 729 | IntegerStateValue::SharedPtr value_ptr; |
| 730 | |
| 731 | if (starting_node == NULL) |
| 732 | q = state_system->getQuark(attribute); |
| 733 | else |
| 734 | q = state_system->getQuark(*starting_node, attribute); |
| 735 | interval = state_system->getStateOfAt(timestamp, q); |
| 736 | value_ptr = std::tr1::dynamic_pointer_cast<IntegerStateValue>( |
| 737 | interval.value); |
| 738 | |
| 739 | if (value_ptr) { |
| 740 | value = value_ptr->getValue(); |
| 741 | return true; |
| 742 | } |
| 743 | return false; |
| 744 | } |
| 745 | |
| 746 | bool get_attribute_value_at_ulong(unsigned long timestamp, |
| 747 | const Quark *starting_node, |
| 748 | std::string attribute, |
| 749 | unsigned long &value) |
| 750 | { |
| 751 | // Libstate works with 32-bit ints, we split the 64-bit ulong |
| 752 | // into 2 32-bit ints |
| 753 | StateInterval interval_l, interval_h; |
| 754 | Quark ql, qh; |
| 755 | IntegerStateValue::SharedPtr value_ptr_l, value_ptr_h; |
| 756 | unsigned int l, h; |
| 757 | |
| 758 | if (starting_node == NULL) { |
| 759 | ql = state_system->getQuark(attribute + "/l"); |
| 760 | qh = state_system->getQuark(attribute + "/h"); |
| 761 | } |
| 762 | else { |
| 763 | ql = state_system->getQuark(*starting_node, attribute + "/l"); |
| 764 | qh = state_system->getQuark(*starting_node, attribute + "/h"); |
| 765 | } |
| 766 | interval_l = state_system->getStateOfAt(timestamp, ql); |
| 767 | interval_h = state_system->getStateOfAt(timestamp, qh); |
| 768 | value_ptr_l = std::tr1::dynamic_pointer_cast<IntegerStateValue>( |
| 769 | interval_l.value); |
| 770 | value_ptr_h = std::tr1::dynamic_pointer_cast<IntegerStateValue>( |
| 771 | interval_h.value); |
| 772 | |
| 773 | if (value_ptr_l && value_ptr_h) { |
| 774 | l = value_ptr_l->getValue(); |
| 775 | h = value_ptr_h->getValue(); |
| 776 | value = (unsigned long)h << 32 | l; |
| 777 | return true; |
| 778 | } |
| 779 | return false; |
| 780 | } |
| 781 | |
| 782 | bool get_attribute_value_at_quark(unsigned long timestamp, |
| 783 | const Quark *starting_node, |
| 784 | std::string attribute, |
| 785 | Quark &value) |
| 786 | { |
| 787 | StateInterval interval; |
| 788 | Quark q; |
| 789 | QuarkStateValue::SharedPtr value_ptr; |
| 790 | IntegerStateValue::SharedPtr value_ptr_int; |
| 791 | |
| 792 | if (starting_node == NULL) |
| 793 | q = state_system->getQuark(attribute); |
| 794 | else |
| 795 | q = state_system->getQuark(*starting_node, attribute); |
| 796 | interval = state_system->getStateOfAt(timestamp, q); |
| 797 | value_ptr = std::tr1::dynamic_pointer_cast<QuarkStateValue>( |
| 798 | interval.value); |
| 799 | |
| 800 | if (value_ptr) { |
| 801 | value = value_ptr->getValue(); |
| 802 | return true; |
| 803 | } else { |
| 804 | /* Quark attribute support is not fully integrated in libstate |
| 805 | and librbrntrvll so quarks may get demoted to ints */ |
| 806 | value_ptr_int = std::tr1::dynamic_pointer_cast<IntegerStateValue>( |
| 807 | interval.value); |
| 808 | if (value_ptr_int) { |
| 809 | value = (Quark)value_ptr_int->getValue(); |
| 810 | return true; |
| 811 | } |
| 812 | } |
| 813 | return false; |
| 814 | } |
| 815 | |
| 816 | bool get_attribute_value_at_string(unsigned long timestamp, |
| 817 | const Quark *starting_node, |
| 818 | std::string attribute, |
| 819 | std::string &value) |
| 820 | { |
| 821 | StateInterval interval; |
| 822 | Quark q; |
| 823 | StringStateValue::SharedPtr value_ptr; |
| 824 | |
| 825 | if (starting_node == NULL) |
| 826 | q = state_system->getQuark(attribute); |
| 827 | else |
| 828 | q = state_system->getQuark(*starting_node, attribute); |
| 829 | interval = state_system->getStateOfAt(timestamp, q); |
| 830 | value_ptr = std::tr1::dynamic_pointer_cast<StringStateValue>( |
| 831 | interval.value); |
| 832 | |
| 833 | if (value_ptr) { |
| 834 | value = value_ptr->getValue(); |
| 835 | return true; |
| 836 | } |
| 837 | return false; |
| 838 | } |
| 839 | |
| 840 | void add_in_sequence(unsigned long timestamp, Quark item, Quark beg) |
| 841 | { |
| 842 | Quark old_newest; |
| 843 | if (get_current_attribute_value_quark(&beg, "", old_newest)) { |
| 844 | modify_attribute(timestamp, &item, "next", old_newest); |
| 845 | modify_attribute(timestamp, &old_newest, "prev", item); |
| 846 | } |
| 847 | modify_attribute(timestamp, &beg, "", item); |
| 848 | |
| 849 | } |
| 850 | |
| 851 | void remove_from_sequence(unsigned long timestamp, Quark item, Quark beg) |
| 852 | { |
| 853 | Quark prev; |
| 854 | Quark next; |
| 855 | bool hasPrev; |
| 856 | bool hasNext; |
| 857 | |
| 858 | hasPrev = get_current_attribute_value_quark(&item, |
| 859 | "prev", prev); |
| 860 | hasNext = get_current_attribute_value_quark(&item, |
| 861 | "next", next); |
| 862 | if (hasPrev && hasNext) { |
| 863 | state_system->modifyAttribute(timestamp, |
| 864 | state_system->getQuark(next, "prev"), |
| 865 | StateValue::SharedPtr( |
| 866 | new QuarkStateValue(prev))); |
| 867 | state_system->modifyAttribute(timestamp, |
| 868 | state_system->getQuark(prev, "next"), |
| 869 | StateValue::SharedPtr( |
| 870 | new QuarkStateValue(next))); |
| 871 | } else if (hasPrev) { |
| 872 | state_system->modifyAttribute(timestamp, |
| 873 | state_system->getQuark(prev, "next"), |
| 874 | StateValue::getNullValue()); |
| 875 | } else if (hasNext) { |
| 876 | state_system->modifyAttribute(timestamp, |
| 877 | state_system->getQuark(next, "prev"), |
| 878 | StateValue::getNullValue()); |
| 879 | state_system->modifyAttribute(timestamp, beg, |
| 880 | StateValue::SharedPtr( |
| 881 | new QuarkStateValue(next))); |
| 882 | } else { |
| 883 | state_system->modifyAttribute(timestamp, beg, |
| 884 | StateValue::getNullValue()); |
| 885 | } |
| 886 | |
| 887 | state_system->removeAttribute(timestamp, item); |
| 888 | } |
| 889 | |
| 890 | int get_sequence_length(unsigned long timestamp, Quark beg) |
| 891 | { |
| 892 | int length = 0; |
| 893 | Quark it; |
| 894 | |
| 895 | if (get_attribute_value_at_quark(timestamp, &beg, "", it)) { |
| 896 | do { |
| 897 | length++; |
| 898 | } while (get_attribute_value_at_quark( |
| 899 | timestamp, &it, "next", it)); |
| 900 | } |
| 901 | |
| 902 | return length; |
| 903 | } |
| 904 | |
| 905 | bool get_interval_value_int(unsigned long start, |
| 906 | unsigned long end, |
| 907 | const Quark *starting_node, |
| 908 | std::string attribute, |
| 909 | int &value) |
| 910 | { |
| 911 | int start_value, end_value; |
| 912 | |
| 913 | if (get_attribute_value_at_int( |
| 914 | start, starting_node, attribute, start_value) && |
| 915 | get_attribute_value_at_int( |
| 916 | end, starting_node, attribute, end_value)) { |
| 917 | value = end_value - start_value; |
| 918 | return true; |
| 919 | } |
| 920 | return false; |
| 921 | } |
| 922 | |
| 923 | bool get_interval_value_ulong(unsigned long start, |
| 924 | unsigned long end, |
| 925 | const Quark *starting_node, |
| 926 | std::string attribute, |
| 927 | unsigned long &value) |
| 928 | { |
| 929 | unsigned long start_value, end_value; |
| 930 | |
| 931 | if (get_attribute_value_at_ulong( |
| 932 | start, starting_node, attribute, start_value) && |
| 933 | get_attribute_value_at_ulong( |
| 934 | end, starting_node, attribute, end_value)) { |
| 935 | value = end_value - start_value; |
| 936 | return true; |
| 937 | } |
| 938 | return false; |
| 939 | } |
| 940 | |
| 941 | int sequence_to_array(unsigned long timestamp, Quark beg, Quark *arr, |
| 942 | int len) |
| 943 | { |
| 944 | int ret = 0; |
| 945 | Quark it; |
| 946 | |
| 947 | if (arr == NULL || len < 1) |
| 948 | return 0; |
| 949 | |
| 950 | if (get_attribute_value_at_quark(timestamp, &beg, "", it)) { |
| 951 | do { |
| 952 | arr[ret] = it; |
| 953 | ret++; |
| 954 | } while (get_attribute_value_at_quark( |
| 955 | timestamp, &it, "next", it) && ret < len); |
| 956 | } |
| 957 | |
| 958 | return ret; |
| 959 | } |
| 960 | |
| 961 | int get_global_perf_list(unsigned long timestamp, Quark *arr, int len) |
| 962 | { |
| 963 | std::map<std::string, int> perfs; |
| 964 | std::string key; |
| 965 | int val; |
| 966 | int ret; |
| 967 | Quark proc; |
| 968 | Quark perf; |
| 969 | std::map<std::string, int>::const_iterator iter; |
| 970 | |
| 971 | if (arr == NULL || len < 1) |
| 972 | return 0; |
| 973 | |
| 974 | if (get_attribute_value_at_quark(timestamp, NULL, "proc", proc)) { |
| 975 | do { |
| 976 | if (get_attribute_value_at_quark(timestamp, &proc, |
| 977 | "perf", perf)) { |
| 978 | do { |
| 979 | get_attribute_value_at_string(timestamp, |
| 980 | &perf, |
| 981 | "key", |
| 982 | key); |
| 983 | get_attribute_value_at_int(timestamp, |
| 984 | &perf, |
| 985 | "count", |
| 986 | val); |
| 987 | if (perfs.find(key) != perfs.end()) |
| 988 | perfs[key] += val; |
| 989 | else |
| 990 | perfs[key] = val; |
| 991 | } while (get_attribute_value_at_quark(timestamp, |
| 992 | &perf, |
| 993 | "next", |
| 994 | perf)); |
| 995 | } |
| 996 | } while (get_attribute_value_at_quark(timestamp, &proc, "next", |
| 997 | proc)); |
| 998 | } |
| 999 | |
| 1000 | for (iter = perfs.begin(), ret = 0; iter != perfs.end() && ret < len; |
| 1001 | iter++, ret++) { |
| 1002 | perf = state_system->getQuark("perf/" + iter->first); |
| 1003 | modify_attribute(timestamp, &perf, "count", iter->second); |
| 1004 | arr[ret] = perf; |
| 1005 | } |
| 1006 | |
| 1007 | return ret; |
| 1008 | } |
| 1009 | |
| 1010 | int get_global_perf_list_size(unsigned long timestamp) |
| 1011 | { |
| 1012 | std::set<std::string> perfs; |
| 1013 | std::string key; |
| 1014 | int len = 0; |
| 1015 | Quark proc; |
| 1016 | Quark perf; |
| 1017 | |
| 1018 | if (get_attribute_value_at_quark(timestamp, NULL, "proc", proc)) { |
| 1019 | do { |
| 1020 | if (get_attribute_value_at_quark(timestamp, &proc, |
| 1021 | "perf", perf)) { |
| 1022 | do { |
| 1023 | get_attribute_value_at_string(timestamp, |
| 1024 | &perf, |
| 1025 | "key", |
| 1026 | key); |
| 1027 | if (perfs.find(key) == perfs.end()) { |
| 1028 | perfs.insert(key); |
| 1029 | len++; |
| 1030 | } |
| 1031 | } while (get_attribute_value_at_quark(timestamp, |
| 1032 | &perf, |
| 1033 | "next", |
| 1034 | perf)); |
| 1035 | } |
| 1036 | } while (get_attribute_value_at_quark(timestamp, &proc, "next", |
| 1037 | proc)); |
| 1038 | } |
| 1039 | |
| 1040 | return len; |
| 1041 | } |
| 1042 | |
| 1043 | int get_number_of_opened_files(unsigned long timestamp, Quark proc) |
| 1044 | { |
| 1045 | int len = 0; |
| 1046 | Quark fh; |
| 1047 | int fd; |
| 1048 | |
| 1049 | if (get_attribute_value_at_quark(timestamp, &proc, |
| 1050 | "files_history/current", fh)) { |
| 1051 | do { |
| 1052 | get_attribute_value_at_int(timestamp, &fh, "file/fd", |
| 1053 | fd); |
| 1054 | if (fd != -1) |
| 1055 | len++; |
| 1056 | } while (get_attribute_value_at_quark(timestamp, &fh, "next", |
| 1057 | fh)); |
| 1058 | } |
| 1059 | |
| 1060 | return len; |
| 1061 | } |
| 1062 | |
| 1063 | int get_opened_files(unsigned long timestamp, Quark proc, Quark *arr, int len) |
| 1064 | { |
| 1065 | int ret = 0; |
| 1066 | Quark file, fh; |
| 1067 | int fd; |
| 1068 | |
| 1069 | if (arr == NULL || len < 1) |
| 1070 | return 0; |
| 1071 | |
| 1072 | if (get_attribute_value_at_quark(timestamp, &proc, |
| 1073 | "files_history/current", fh)) { |
| 1074 | do { |
| 1075 | file = state_system->getQuark(fh, "file"); |
| 1076 | get_attribute_value_at_int(timestamp, &file, "fd", |
| 1077 | fd); |
| 1078 | if (fd != -1) { |
| 1079 | arr[ret] = file; |
| 1080 | ret++; |
| 1081 | } |
| 1082 | if (ret == len) |
| 1083 | break; |
| 1084 | } while (get_attribute_value_at_quark(timestamp, &fh, "next", |
| 1085 | fh)); |
| 1086 | } |
| 1087 | |
| 1088 | return ret; |
| 1089 | } |