lttv/lttv/print.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 Michel Dagenais
   3  *               2005 Mathieu Desnoyers
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License Version 2 as
   7  * published by the Free Software Foundation;
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  17  * MA 02111-1307, USA.
  18  */
  19
  20 /* print.c
  21  *
  22  * Event printing routines.
  23  */
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #include <lttv/lttv.h>
  30 #include <lttv/option.h>
  31 #include <lttv/module.h>
  32 #include <lttv/hook.h>
  33 #include <lttv/attribute.h>
  34 #include <lttv/iattribute.h>
  35 #ifdef BABEL_CLEANUP
  36 #include <lttv/stats.h>
  37 #include <lttv/filter.h>
  38 #endif
  39 #include <lttv/print.h>
  40 #include <ltt/ltt.h>
  41 #include <ltt/event.h>
  42 #include <ltt/trace.h>
  43 #include <stdio.h>
  44 #include <ctype.h>
  45 #include <ltt/ltt-private.h>
  46 #include <babeltrace/ctf/events.h>
  47 #include <string.h>
  48 #include <inttypes.h>
  49 #include <lttv/event.h>
  50 #include <lttv/traceset.h>
  51 #ifdef BABEL_CLEANUP
  52 static inline void print_enum_events(LttEvent *e, struct marker_field *f,
  53                 guint64 value, GString *s, LttvTracefileState *tfs)
  54 {
  55         LttvTraceState *ts = (LttvTraceState*)(tfs->parent.t_context);
  56         LttvNameTables *nt = ts->name_tables;
  57
  58         if (tf->name == LTT_CHANNEL_KERNEL) {
  59                 if (info->name == LTT_EVENT_SYSCALL_ENTRY
  60                                 && f->name == LTT_FIELD_SYSCALL_ID) {
  61                         g_string_append_printf(s, " [%s]",
  62                                         g_quark_to_string(nt->syscall_names[value]));
  63                 } else if ((info->name == LTT_EVENT_SOFT_IRQ_ENTRY
  64                                 || info->name == LTT_EVENT_SOFT_IRQ_EXIT
  65                                 || info->name == LTT_EVENT_SOFT_IRQ_RAISE)
  66                                 && f->name == LTT_FIELD_SOFT_IRQ_ID) {
  67                         g_string_append_printf(s, " [%s]",
  68                                         g_quark_to_string(nt->soft_irq_names[value]));
  69                 } else if (info->name == LTT_EVENT_KPROBE
  70                                 && f->name == LTT_FIELD_IP) {
  71 #if (__WORDSIZE == 32)
  72                         GQuark symbol = (GQuark)g_hash_table_lookup(nt->kprobe_hash,
  73                                         (gconstpointer)&value);
  74 #else
  75                         GQuark symbol = (GQuark)(unsigned long)g_hash_table_lookup(nt->kprobe_hash,
  76                                         (gconstpointer)value);
  77 #endif
  78                         if (symbol)
  79                                 g_string_append_printf(s, " [%s]", g_quark_to_string(symbol));
  80                 }
  81         }
  82 }
  83
  84 void lttv_print_field(LttEvent *e, struct marker_field *f, GString *s,
  85                 gboolean field_names, LttvTracefileState *tfs)
  86 {
  87         GQuark name;
  88         guint64 value;
  89
  90         //int nb, i;
  91
  92         switch(f->type) {
  93                 case LTT_TYPE_SIGNED_INT:
  94                         if(field_names) {
  95                                 name = f->name;
  96                                 if(name)
  97                                         g_string_append_printf(s, "%s = ", g_quark_to_string(name));
  98                         }
  99                         value = ltt_event_get_long_int(e,f);
 100                         //g_string_append_printf(s, "%lld", value);
 101                         g_string_append_printf(s, f->fmt->str, value);
 102                         //g_string_append_printf(s, type->fmt, ltt_event_get_long_int(e,f));
 103                         print_enum_events(e, f, value, s, tfs);
 104                         break;
 105
 106                 case LTT_TYPE_UNSIGNED_INT:
 107                         if(field_names) {
 108                                 name = f->name;
 109                                 if(name)
 110                                         g_string_append_printf(s, "%s = ", g_quark_to_string(name));
 111                         }
 112                         value = ltt_event_get_long_unsigned(e,f);
 113                         //g_string_append_printf(s, "%llu", value);
 114                         g_string_append_printf(s, f->fmt->str, value);
 115                         print_enum_events(e, f, value, s, tfs);
 116                         //g_string_append_printf(s, type->fmt, ltt_event_get_long_unsigned(e,f));
 117                         break;
 118
 119 #if 0
 120                 case LTT_CHAR:
 121                 case LTT_UCHAR:
 122                         {
 123                                 unsigned car = ltt_event_get_unsigned(e,f);
 124                                 if(field_names) {
 125                                         name = ltt_field_name(f);
 126                                         if(name)
 127                                                 g_string_append_printf(s, "%s = ", g_quark_to_string(name));
 128                                 }
 129                                 if(isprint(car)) {
 130                                         if(field_names) {
 131                                                 name = ltt_field_name(f);
 132                                                 if(name)
 133                                                         g_string_append_printf(s, "%s = ", g_quark_to_string(name));
 134                                         }
 135                                         //g_string_append_printf(s, "%c", car);
 136                 g_string_append_printf(s, type->fmt, car);
 137                                 } else {
 138                                         g_string_append_printf(s, "\\%x", car);
 139                                 }
 140                         }
 141                         break;
 142                 case LTT_FLOAT:
 143                  if(field_names) {
 144                                 name = ltt_field_name(f);
 145                                 if(name)
 146                                         g_string_append_printf(s, "%s = ", g_quark_to_string(name));
 147                         }
 148                  //g_string_append_printf(s, "%g", ltt_event_get_double(e,f));
 149                         g_string_append_printf(s, type->fmt, ltt_event_get_double(e,f));
 150                         break;
 151 #endif
 152
 153                 case LTT_TYPE_POINTER:
 154                         if(field_names) {
 155                                 name = f->name;
 156                                 if(name)
 157                                         g_string_append_printf(s, "%s = ", g_quark_to_string(name));
 158                         }
 159                         g_string_append_printf(s, "0x%" PRIx64, ltt_event_get_long_unsigned(e,f));
 160                         //g_string_append_printf(s, type->fmt, ltt_event_get_long_unsigned(e,f));
 161                         break;
 162
 163                 case LTT_TYPE_STRING:
 164                         if(field_names) {
 165                                 name = f->name;
 166                                 if(name)
 167                                         g_string_append_printf(s, "%s = ", g_quark_to_string(name));
 168                         }
 169                         g_string_append_printf(s, "\"%s\"", ltt_event_get_string(e,f));
 170                         break;
 171
 172 #if 0
 173                 case LTT_ENUM:
 174                         {
 175                                 GQuark value = ltt_enum_string_get(type, ltt_event_get_unsigned(e,f));
 176                                 if(field_names) {
 177                                         name = ltt_field_name(f);
 178                                         if(name)
 179                                                 g_string_append_printf(s, "%s = ", g_quark_to_string(name));
 180                                 }
 181                                 if(value)
 182                                         g_string_append_printf(s, "%s", g_quark_to_string(value));
 183                                 else
 184                                         g_string_append_printf(s, "%lld", ltt_event_get_long_int(e,f));
 185                         }
 186                         break;
 187
 188                 case LTT_ARRAY:
 189                 case LTT_SEQUENCE:
 190                         if(field_names) {
 191                                 name = ltt_field_name(f);
 192                                 if(name)
 193                                         g_string_append_printf(s, "%s = ", g_quark_to_string(name));
 194                         }
 195                         // g_string_append_printf(s, "{ ");
 196                         //Insert header
 197                         g_string_append_printf(s, type->header);//tested, works fine.
 198
 199
 200                         nb = ltt_event_field_element_number(e,f);
 201                         for(i = 0 ; i < nb ; i++) {
 202                                 LttField *child = ltt_event_field_element_select(e,f,i);
 203                                 lttv_print_field(e, child, s, field_names, i);
 204         if(i<nb-1)
 205                 g_string_append_printf(s,type->separator);
 206                         }
 207                         //g_string_append_printf(s, " }");
 208                         //Insert footer
 209                         g_string_append_printf(s, type->footer);//tested, works fine.
 210                         break;
 211
 212                 case LTT_STRUCT:
 213                         if(field_names) {
 214                                 name = ltt_field_name(f);
 215                                 if(name)
 216                                         g_string_append_printf(s, "%s = ", g_quark_to_string(name));
 217                         }
 218                         //                      g_string_append_printf(s, "{ ");
 219                         //Insert header
 220                         g_string_append_printf(s, type->header);
 221
 222                         nb = ltt_type_member_number(type);
 223                         for(i = 0 ; i < nb ; i++) {
 224                                 LttField *element;
 225                                 element = ltt_field_member(f,i);
 226                                 lttv_print_field(e, element, s, field_names, i);
 227         if(i < nb-1)
 228                 g_string_append_printf(s,type->separator);
 229                         }
 230                         //g_string_append_printf(s, " }");
 231                         //Insert footer
 232                         g_string_append_printf(s, type->footer);
 233                         break;
 234
 235                 case LTT_UNION:
 236                         if(field_names) {
 237                                 name = ltt_field_name(f);
 238                                 if(name)
 239                                         g_string_append_printf(s, "%s = ", g_quark_to_string(name));
 240                         }
 241                         //                      g_string_append_printf(s, "{ ");
 242                         g_string_append_printf(s, type->header);
 243
 244                         nb = ltt_type_member_number(type);
 245                         for(i = 0 ; i < nb ; i++) {
 246                                 LttField *element;
 247                                 element = ltt_field_member(f,i);
 248                                 lttv_print_field(e, element, s, field_names, i);
 249         if(i<nb-1)
 250                 g_string_append_printf(s, type->separator);
 251                         }
 252                         //                      g_string_append_printf(s, " }");
 253                         g_string_append_printf(s, type->footer);
 254                         break;
 255 #endif
 256                 case LTT_TYPE_COMPACT:
 257                         g_error("compact type printing not implemented");
 258                         break;
 259                 case LTT_TYPE_NONE:
 260                         break;
 261         }
 262 }
 263 #endif
 264 int getProcessInfosFromEvent(LttvEvent *event, GString* processInfos)
 265 {
 266         int pid=0, tid=0, ppid=0;
 267         char *procname;
 268         struct definition *scope;
 269         unsigned long timestamp;
 270
 271         int ret = 0;
 272
 273         gboolean noError = TRUE;
 274
 275         guint cpu;
 276         LttvTraceState *state = event->state;
 277         LttvProcessState *process;
 278         struct bt_ctf_event *ctf_event = event->bt_event;
 279
 280         cpu = lttv_traceset_get_cpuid_from_event(event);
 281
 282         process = state->running_process[cpu];
 283
 284         timestamp = bt_ctf_get_timestamp(ctf_event);
 285
 286         pid = process->pid;
 287         tid = process->tgid;
 288         ppid = process->ppid;
 289         procname = g_quark_to_string(process->name);
 290         if (timestamp == -1ULL) {
 291                 noError = FALSE;
 292         }
 293 #if 0
 294         if (noError) {
 295                 scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_EVENT_CONTEXT);
 296                 if (bt_ctf_field_get_error()) {
 297                         noError = FALSE;
 298                 }
 299         }
 300         if (noError) {
 301                 pid = bt_ctf_get_int64(bt_ctf_get_field(ctf_event, scope, "_pid"));
 302                 if (bt_ctf_field_get_error()) {
 303                         noError = FALSE;
 304                 }
 305         }
 306         if (noError) {
 307                 tid = bt_ctf_get_int64(bt_ctf_get_field(ctf_event, scope, "_tid"));
 308                 if (bt_ctf_field_get_error()) {
 309                         noError = FALSE;
 310                 }
 311         }
 312         if (noError) {
 313                 ppid = bt_ctf_get_int64(bt_ctf_get_field(ctf_event, scope, "_ppid"));
 314                 if (bt_ctf_field_get_error()) {
 315                         noError = FALSE;
 316                 }
 317         }
 318         if (noError) {
 319                 procname = bt_ctf_get_char_array(bt_ctf_get_field(ctf_event, scope, "_procname"));
 320                 if (bt_ctf_field_get_error()) {
 321                         noError = FALSE;
 322                 }
 323         }
 324 #endif
 325         if (noError||1) {
 326                 g_string_append_printf(processInfos, "%u, %u, %s, %u", pid, tid, procname, ppid);
 327         }
 328         else {
 329                 ret = -1;
 330         }
 331
 332         return ret;
 333 }
 334
 335 static
 336 int getCPUIdFromEvent(LttvEvent *event, GString* cpuId_str)
 337 {
 338         gint cpuid;
 339
 340         cpuid = lttv_traceset_get_cpuid_from_event(event);
 341         if (cpuid < 0) {
 342                 return -1;
 343         }
 344         g_string_append_printf(cpuId_str, "%u", cpuid);
 345         return 0;
 346 }
 347
 348 int getFields(struct bt_ctf_event *ctf_event, struct definition const *fields, GString* fieldsStr)
 349 {
 350         enum ctf_type_id fieldType = bt_ctf_field_type(fields);
 351         int ret = 0, isSigned = -1, len = 0, i = 0;
 352         struct definition *index_def;
 353         switch (fieldType) {
 354         case CTF_TYPE_INTEGER:
 355                 isSigned = bt_ctf_get_int_signedness(fields);
 356                 if (isSigned == 1) {
 357                         g_string_append_printf(fieldsStr, "%lu", bt_ctf_get_int64(fields));
 358                 }
 359                 else if (isSigned == 0) {
 360                         g_string_append_printf(fieldsStr, "%llu", bt_ctf_get_uint64(fields));
 361                 }
 362                 break;
 363         case CTF_TYPE_STRING:
 364                 g_string_append_printf(fieldsStr, "%s", bt_ctf_get_string(fields));
 365                 break;
 366
 367         case CTF_TYPE_ARRAY:
 368                 g_string_append_printf(fieldsStr, "[ ");
 369                 len = bt_ctf_get_array_len(fields);
 370                 if (index_def = bt_ctf_get_index(ctf_event, fields, i)) {
 371                         for (i = 0; i < len; i++) {
 372                                 if (i > 0) {
 373                                         g_string_append_printf(fieldsStr, ", ");
 374                                 }
 375                                 bt_ctf_field_type(bt_ctf_get_index(ctf_event, fields, i));
 376                                 g_string_append_printf(fieldsStr, " ");
 377                                 g_string_append_printf(fieldsStr, "[%d] = ");
 378                                 getFields(ctf_event, bt_ctf_get_index(ctf_event, fields, i), fieldsStr);
 379                         }
 380                 }
 381                 else {
 382                         g_string_append_printf(fieldsStr, "%s", bt_ctf_get_char_array(fields));
 383                 }
 384                 g_string_append_printf(fieldsStr, " ]");
 385
 386                 break;
 387         case CTF_TYPE_UNKNOWN:
 388         default:
 389                 break;
 390         }
 391         return ret;
 392 }
 393
 394 int getFieldsFromEvent(struct bt_ctf_event *ctf_event, GString* fields, gboolean field_names)
 395 {
 396         struct definition const * const *list = NULL;
 397         unsigned int count;
 398         int i = 0, j = 0, ret = 0;
 399         gboolean noError = TRUE;
 400         struct definition *scope;
 401         scope = bt_ctf_get_top_level_scope(ctf_event, BT_EVENT_FIELDS);
 402
 403         if (!scope) {
 404                 noError = FALSE;
 405         }
 406         if (noError) {
 407                 ret = bt_ctf_get_field_list(ctf_event, scope, &list, &count);
 408                 if (ret < 0) {
 409                         noError = TRUE;
 410                 }
 411                 else {
 412                         for (i = 0; i < count; i++) {
 413                                 if (i > 0) {
 414                                         g_string_append_printf(fields, ", ");
 415                                 }
 416                                 const char *name = bt_ctf_field_name(list[i]);
 417                                 if (field_names) {
 418                                         g_string_append_printf(fields, "%s = ", name);
 419                                 }
 420                                 getFields(ctf_event, list[i] ,fields);
 421                                 if (bt_ctf_field_get_error()) {
 422                                         continue;
 423                                 }
 424                         }
 425                 }
 426         }
 427         if (!noError) {
 428                         ret = -1;
 429         }
 430         return ret;
 431 }
 432
 433 void lttv_event_to_string(LttvEvent *event, GString *a_string, gboolean field_names)
 434 {
 435         GString* processInfos = g_string_new("");
 436         GString* fields = g_string_new("");
 437         GString* cpuId_str = g_string_new("");
 438
 439         getProcessInfosFromEvent(event, processInfos);
 440         getFieldsFromEvent(event->bt_event, fields, field_names);
 441         getCPUIdFromEvent(event, cpuId_str);
 442
 443         g_string_set_size(a_string,0);
 444
 445         g_string_append_printf(a_string, "%llu %s: { %s }", bt_ctf_get_timestamp(event->bt_event), bt_ctf_event_name(event->bt_event), cpuId_str->str);
 446         if (strcmp("", processInfos->str) < 0) {
 447                 g_string_append_printf(a_string, ", { %s }", processInfos->str);
 448         }
 449         if (strcmp("", fields->str) < 0) {
 450                 g_string_append_printf(a_string, ", { %s }", fields->str);
 451         }
 452
 453         g_string_free(fields, TRUE);
 454         g_string_free(processInfos, TRUE);
 455         g_string_free(cpuId_str, TRUE);
 456 }
 457
 458 #ifdef BABEL_CLEANUP
 459 void lttv_event_to_string(LttEvent *e, GString *s, gboolean mandatory_fields,
 460                 gboolean field_names, LttvTracefileState *tfs)
 461 {
 462         struct marker_field *field;
 463         struct marker_info *info;
 464
 465         LttTime time;
 466
 467         guint cpu = tfs->cpu;
 468         LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context;
 469         LttvProcessState *process = ts->running_process[cpu];
 470
 471         s = g_string_set_size(s,0);
 472
 473         info = marker_get_info_from_id(tfs->parent.tf->mdata, e->event_id);
 474
 475         if(mandatory_fields) {
 476                 time = ltt_event_time(e);
 477                 g_string_append_printf(s,"%s.%s: %ld.%09ld (%s/%s_%u)",
 478                         g_quark_to_string(ltt_tracefile_name(tfs->parent.tf)),
 479                         g_quark_to_string(info->name), (long)time.tv_sec, time.tv_nsec,
 480                         g_quark_to_string(
 481                                         ltt_trace_name(ltt_tracefile_get_trace(tfs->parent.tf))),
 482                         g_quark_to_string(ltt_tracefile_name(tfs->parent.tf)), cpu);
 483                 /* Print the process id and the state/interrupt type of the process */
 484                 g_string_append_printf(s,", %u, %u, %s, %s, %u, 0x%" PRIx64", %s",
 485                         process->pid,
 486                         process->tgid,
 487                         g_quark_to_string(process->name),
 488                         g_quark_to_string(process->brand),
 489                         process->ppid,
 490                         process->current_function,
 491                         g_quark_to_string(process->state->t));
 492         }
 493
 494         if(marker_get_num_fields(info) == 0) return;
 495         g_string_append_printf(s, " ");
 496         g_string_append_printf(s, "{ ");
 497         for (field = marker_get_field(info, 0);
 498                         field != marker_get_field(info, marker_get_num_fields(info));
 499                         field++) {
 500                 if(field != marker_get_field(info, 0))
 501                         g_string_append_printf(s, ", ");
 502                 lttv_print_field(e, field, s, field_names, tfs);
 503         }
 504         g_string_append_printf(s, " }");
 505 }
 506 #endif /* BABEL_CLEANUP */
 507
 508 static void init()
 509 {
 510 }
 511
 512 static void destroy()
 513 {
 514 }
 515
 516 LTTV_MODULE("print", "Print events", \
 517                 "Produce a detailed text printout of events", \
 518                 init, destroy)
 519