ltt/branches/poly/lttv/modules/gui/controlflow/processlist.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 Mathieu Desnoyers
   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
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19 #include <gtk/gtk.h>
  20 #include <glib.h>
  21 #include <string.h>
  22 #include <stdlib.h>
  23
  24 #include "processlist.h"
  25 #include "drawitem.h"
  26
  27 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
  28 #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
  29
  30
  31 /*****************************************************************************
  32  *                       Methods to synchronize process list                 *
  33  *****************************************************************************/
  34
  35 static __inline guint get_cpu_number_from_name(GQuark name);
  36
  37 /* Enumeration of the columns */
  38 enum
  39 {
  40   PROCESS_COLUMN,
  41   PID_COLUMN,
  42   PPID_COLUMN,
  43   CPU_COLUMN,
  44   BIRTH_S_COLUMN,
  45   BIRTH_NS_COLUMN,
  46   TRACE_COLUMN,
  47   N_COLUMNS
  48 };
  49
  50
  51 gint process_sort_func  ( GtkTreeModel *model,
  52         GtkTreeIter *it_a,
  53         GtkTreeIter *it_b,
  54         gpointer user_data)
  55 {
  56   GValue a, b;
  57
  58   memset(&a, 0, sizeof(GValue));
  59   memset(&b, 0, sizeof(GValue));
  60
  61   /* Order by PID */
  62   gtk_tree_model_get_value( model,
  63           it_a,
  64           PID_COLUMN,
  65           &a);
  66
  67   gtk_tree_model_get_value( model,
  68           it_b,
  69           PID_COLUMN,
  70           &b);
  71
  72   if(G_VALUE_TYPE(&a) == G_TYPE_UINT
  73     && G_VALUE_TYPE(&b) == G_TYPE_UINT )
  74   {
  75     {
  76
  77       if(g_value_get_uint(&a) == 0 &&  g_value_get_uint(&b) == 0) {
  78
  79         GValue cpua, cpub;
  80
  81         memset(&cpua, 0, sizeof(GValue));
  82         memset(&cpub, 0, sizeof(GValue));
  83
  84         /* If 0, order by CPU */
  85         gtk_tree_model_get_value( model,
  86                 it_a,
  87                 CPU_COLUMN,
  88                 &cpua);
  89
  90         gtk_tree_model_get_value( model,
  91                 it_b,
  92                 CPU_COLUMN,
  93                 &cpub);
  94
  95         if(G_VALUE_TYPE(&cpua) == G_TYPE_UINT
  96           && G_VALUE_TYPE(&cpub) == G_TYPE_UINT )
  97         {
  98           if(g_value_get_uint(&cpua) > g_value_get_uint(&cpub))
  99           {
 100             g_value_unset(&cpua);
 101             g_value_unset(&cpub);
 102             return 1;
 103           }
 104           if(g_value_get_uint(&cpua) < g_value_get_uint(&cpub))
 105           {
 106             g_value_unset(&cpua);
 107             g_value_unset(&cpub);
 108             return 0;
 109           }
 110         }
 111
 112         g_value_unset(&cpua);
 113         g_value_unset(&cpub);
 114
 115       } else { /* if not 0, order by pid */
 116
 117         if(g_value_get_uint(&a) > g_value_get_uint(&b))
 118         {
 119           g_value_unset(&a);
 120           g_value_unset(&b);
 121           return 1;
 122         }
 123         if(g_value_get_uint(&a) < g_value_get_uint(&b))
 124         {
 125           g_value_unset(&a);
 126           g_value_unset(&b);
 127           return 0;
 128         }
 129       }
 130     }
 131   }
 132
 133   g_value_unset(&a);
 134   g_value_unset(&b);
 135
 136
 137   /* Order by birth second */
 138   gtk_tree_model_get_value( model,
 139           it_a,
 140           BIRTH_S_COLUMN,
 141           &a);
 142
 143   gtk_tree_model_get_value( model,
 144           it_b,
 145           BIRTH_S_COLUMN,
 146           &b);
 147
 148
 149   if(G_VALUE_TYPE(&a) == G_TYPE_ULONG
 150     && G_VALUE_TYPE(&b) == G_TYPE_ULONG )
 151   {
 152     if(g_value_get_ulong(&a) > g_value_get_ulong(&b))
 153     {
 154       g_value_unset(&a);
 155       g_value_unset(&b);
 156       return 1;
 157     }
 158     if(g_value_get_ulong(&a) < g_value_get_ulong(&b))
 159     {
 160       g_value_unset(&a);
 161       g_value_unset(&b);
 162       return 0;
 163     }
 164
 165   }
 166
 167   g_value_unset(&a);
 168   g_value_unset(&b);
 169
 170   /* Order by birth nanosecond */
 171   gtk_tree_model_get_value( model,
 172           it_a,
 173           BIRTH_NS_COLUMN,
 174           &a);
 175
 176   gtk_tree_model_get_value( model,
 177           it_b,
 178           BIRTH_NS_COLUMN,
 179           &b);
 180
 181
 182   if(G_VALUE_TYPE(&a) == G_TYPE_ULONG
 183     && G_VALUE_TYPE(&b) == G_TYPE_ULONG )
 184   {
 185     if(g_value_get_ulong(&a) > g_value_get_ulong(&b))
 186     {
 187       g_value_unset(&a);
 188       g_value_unset(&b);
 189       return 1;
 190     }
 191     if(g_value_get_ulong(&a) < g_value_get_ulong(&b))
 192     {
 193       g_value_unset(&a);
 194       g_value_unset(&b);
 195       return 0;
 196     }
 197
 198   }
 199
 200   g_value_unset(&a);
 201   g_value_unset(&b);
 202
 203   /* Order by trace_num */
 204   gtk_tree_model_get_value( model,
 205           it_a,
 206           TRACE_COLUMN,
 207           &a);
 208
 209   gtk_tree_model_get_value( model,
 210           it_b,
 211           TRACE_COLUMN,
 212           &b);
 213
 214   if(G_VALUE_TYPE(&a) == G_TYPE_ULONG
 215     && G_VALUE_TYPE(&b) == G_TYPE_ULONG )
 216   {
 217     if(g_value_get_ulong(&a) > g_value_get_ulong(&b))
 218     {
 219       g_value_unset(&a);
 220       g_value_unset(&b);
 221       return 1;
 222     }
 223     if(g_value_get_ulong(&a) < g_value_get_ulong(&b))
 224     {
 225       g_value_unset(&a);
 226       g_value_unset(&b);
 227       return 0;
 228     }
 229
 230   }
 231
 232   return 0;
 233
 234 }
 235
 236 static guint hash_fct(gconstpointer key)
 237 {
 238   return ((ProcessInfo*)key)->pid;
 239 }
 240
 241 static gboolean equ_fct(gconstpointer a, gconstpointer b)
 242 {
 243   const ProcessInfo *pa = (const ProcessInfo*)a;
 244   const ProcessInfo *pb = (const ProcessInfo*)b;
 245
 246   if(pa->pid != pb->pid)
 247     return 0;
 248
 249   if((pa->pid == 0 && (pa->cpu != pb->cpu)))
 250     return 0;
 251
 252   if(pa->birth.tv_sec != pb->birth.tv_sec)
 253     return 0;
 254
 255   if(pa->birth.tv_nsec != pb->birth.tv_nsec)
 256     return 0;
 257
 258   if(pa->trace_num != pb->trace_num)
 259     return 0;
 260
 261   return 1;
 262 }
 263
 264 void destroy_hash_key(gpointer key);
 265
 266 void destroy_hash_data(gpointer data);
 267
 268
 269
 270
 271 ProcessList *processlist_construct(void)
 272 {
 273   GtkTreeViewColumn *column;
 274   GtkCellRenderer *renderer;
 275
 276   ProcessList* process_list = g_new(ProcessList,1);
 277
 278   process_list->number_of_process = 0;
 279   process_list->cell_height_cache = -1;
 280
 281   /* Create the Process list */
 282   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 283               G_TYPE_STRING,
 284               G_TYPE_UINT,
 285               G_TYPE_UINT,
 286               G_TYPE_UINT,
 287               G_TYPE_ULONG,
 288               G_TYPE_ULONG,
 289               G_TYPE_ULONG);
 290
 291
 292   process_list->process_list_widget =
 293     gtk_tree_view_new_with_model
 294     (GTK_TREE_MODEL (process_list->list_store));
 295   g_object_unref (G_OBJECT (process_list->list_store));
 296
 297   gtk_tree_sortable_set_sort_func(
 298       GTK_TREE_SORTABLE(process_list->list_store),
 299       PID_COLUMN,
 300       process_sort_func,
 301       NULL,
 302       NULL);
 303
 304   gtk_tree_sortable_set_sort_column_id(
 305       GTK_TREE_SORTABLE(process_list->list_store),
 306       PID_COLUMN,
 307       GTK_SORT_ASCENDING);
 308
 309   process_list->process_hash = g_hash_table_new_full(
 310       hash_fct, equ_fct,
 311       destroy_hash_key, destroy_hash_data
 312       );
 313
 314
 315   gtk_tree_view_set_headers_visible(
 316     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 317
 318   /* Create a column, associating the "text" attribute of the
 319    * cell_renderer to the first column of the model */
 320   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 321   renderer = gtk_cell_renderer_text_new ();
 322   column = gtk_tree_view_column_new_with_attributes ( "Process",
 323                 renderer,
 324                 "text",
 325                 PROCESS_COLUMN,
 326                 NULL);
 327   gtk_tree_view_column_set_alignment (column, 0.0);
 328   gtk_tree_view_column_set_fixed_width (column, 45);
 329   gtk_tree_view_append_column (
 330     GTK_TREE_VIEW (process_list->process_list_widget), column);
 331
 332   process_list->button = column->button;
 333
 334   column = gtk_tree_view_column_new_with_attributes ( "PID",
 335                 renderer,
 336                 "text",
 337                 PID_COLUMN,
 338                 NULL);
 339   gtk_tree_view_append_column (
 340     GTK_TREE_VIEW (process_list->process_list_widget), column);
 341
 342   column = gtk_tree_view_column_new_with_attributes ( "PPID",
 343                 renderer,
 344                 "text",
 345                 PPID_COLUMN,
 346                 NULL);
 347   gtk_tree_view_append_column (
 348     GTK_TREE_VIEW (process_list->process_list_widget), column);
 349
 350   column = gtk_tree_view_column_new_with_attributes ( "CPU",
 351                 renderer,
 352                 "text",
 353                 CPU_COLUMN,
 354                 NULL);
 355   gtk_tree_view_append_column (
 356     GTK_TREE_VIEW (process_list->process_list_widget), column);
 357
 358   column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
 359                 renderer,
 360                 "text",
 361                 BIRTH_S_COLUMN,
 362                 NULL);
 363   gtk_tree_view_append_column (
 364     GTK_TREE_VIEW (process_list->process_list_widget), column);
 365
 366   //gtk_tree_view_column_set_visible(column, 0);
 367   //
 368   column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 369                 renderer,
 370                 "text",
 371                 BIRTH_NS_COLUMN,
 372                 NULL);
 373   gtk_tree_view_append_column (
 374     GTK_TREE_VIEW (process_list->process_list_widget), column);
 375
 376   column = gtk_tree_view_column_new_with_attributes ( "TRACE",
 377                 renderer,
 378                 "text",
 379                 TRACE_COLUMN,
 380                 NULL);
 381   gtk_tree_view_append_column (
 382     GTK_TREE_VIEW (process_list->process_list_widget), column);
 383
 384
 385   //gtk_tree_view_column_set_visible(column, 0);
 386
 387   g_object_set_data_full(
 388       G_OBJECT(process_list->process_list_widget),
 389       "process_list_Data",
 390       process_list,
 391       (GDestroyNotify)processlist_destroy);
 392
 393   return process_list;
 394 }
 395
 396 void processlist_destroy(ProcessList *process_list)
 397 {
 398   g_debug("processlist_destroy %p", process_list);
 399   g_hash_table_destroy(process_list->process_hash);
 400   process_list->process_hash = NULL;
 401
 402   g_free(process_list);
 403   g_debug("processlist_destroy end");
 404 }
 405
 406 static gboolean remove_hash_item(ProcessInfo *process_info,
 407                                  HashedProcessData *hashed_process_data,
 408                                  ProcessList *process_list)
 409 {
 410   GtkTreeIter iter;
 411
 412   iter = hashed_process_data->y_iter;
 413
 414   gtk_list_store_remove (process_list->list_store, &iter);
 415
 416   return TRUE; /* remove the element from the hash table */
 417 }
 418
 419 void processlist_clear(ProcessList *process_list)
 420 {
 421   g_info("processlist_clear %p", process_list);
 422
 423   g_hash_table_foreach_remove(process_list->process_hash,
 424                               (GHRFunc)remove_hash_item,
 425                               (gpointer)process_list);
 426   process_list->number_of_process = 0;
 427 }
 428
 429
 430 GtkWidget *processlist_get_widget(ProcessList *process_list)
 431 {
 432   return process_list->process_list_widget;
 433 }
 434
 435
 436
 437 static __inline gint get_cell_height(ProcessList *process_list, GtkTreeView *tree_view)
 438 {
 439   gint height = process_list->cell_height_cache;
 440   if(height != -1) return height;
 441   else {
 442     GtkTreeViewColumn *Column = gtk_tree_view_get_column(tree_view, 0);
 443
 444     gtk_tree_view_column_cell_get_size(Column, NULL, NULL, NULL, NULL,
 445                                        &process_list->cell_height_cache);
 446   }
 447
 448
 449   return process_list->cell_height_cache;
 450 }
 451
 452 void destroy_hash_key(gpointer key)
 453 {
 454   g_free(key);
 455 }
 456
 457 void destroy_hash_data(gpointer data)
 458 {
 459   g_free(data);
 460 }
 461
 462 int processlist_add(  ProcessList *process_list,
 463       guint pid,
 464       guint cpu,
 465       guint ppid,
 466       LttTime *birth,
 467       guint trace_num,
 468       const gchar *name,
 469       guint *height,
 470       HashedProcessData **pm_hashed_process_data)
 471 {
 472   ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
 473   HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
 474   *pm_hashed_process_data = hashed_process_data;
 475
 476   Process_Info->pid = pid;
 477   if(pid == 0)
 478     Process_Info->cpu = cpu;
 479   else
 480     Process_Info->cpu = 0;
 481   Process_Info->ppid = ppid;
 482   Process_Info->birth = *birth;
 483   Process_Info->trace_num = trace_num;
 484
 485   /* When we create it from before state update, we are sure that the
 486    * last event occured before the beginning of the global area.
 487    *
 488    * If it is created after state update, this value (0) will be
 489    * overriden by the new state before anything is drawn.
 490    */
 491   hashed_process_data->x.over = 0;
 492   hashed_process_data->x.middle = 0;
 493   hashed_process_data->x.under = 0;
 494
 495   /* Add a new row to the model */
 496   gtk_list_store_append ( process_list->list_store,
 497                           &hashed_process_data->y_iter);
 498
 499   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 500         PROCESS_COLUMN, name,
 501         PID_COLUMN, pid,
 502         PPID_COLUMN, ppid,
 503         CPU_COLUMN, get_cpu_number_from_name(cpu),
 504         BIRTH_S_COLUMN, birth->tv_sec,
 505         BIRTH_NS_COLUMN, birth->tv_nsec,
 506         TRACE_COLUMN, trace_num,
 507         -1);
 508 #if 0
 509   hashed_process_data->row_ref = gtk_tree_row_reference_new (
 510       GTK_TREE_MODEL(process_list->list_store),
 511       gtk_tree_model_get_path(
 512         GTK_TREE_MODEL(process_list->list_store),
 513         &iter));
 514 #endif //0
 515   g_hash_table_insert(process_list->process_hash,
 516         (gpointer)Process_Info,
 517         (gpointer)hashed_process_data);
 518
 519   //g_critical ( "iter after : %s", gtk_tree_path_to_string (
 520   //    gtk_tree_model_get_path (
 521   //        GTK_TREE_MODEL(process_list->list_store),
 522   //        &iter)));
 523   process_list->number_of_process++;
 524
 525   *height = get_cell_height(process_list,
 526                             GTK_TREE_VIEW(process_list->process_list_widget))
 527         * process_list->number_of_process ;
 528
 529   return 0;
 530 }
 531
 532 int processlist_remove( ProcessList *process_list,
 533       guint pid,
 534       guint cpu,
 535       LttTime *birth,
 536       guint trace_num)
 537 {
 538   ProcessInfo Process_Info;
 539   gint *path_indices;
 540   HashedProcessData *hashed_process_data;
 541   GtkTreeIter iter;
 542
 543   Process_Info.pid = pid;
 544   Process_Info.cpu = cpu;
 545   Process_Info.birth = *birth;
 546   Process_Info.trace_num = trace_num;
 547
 548
 549   if(hashed_process_data =
 550     (HashedProcessData*)g_hash_table_lookup(
 551           process_list->process_hash,
 552           &Process_Info))
 553   {
 554     iter = hashed_process_data->y_iter;
 555
 556     gtk_list_store_remove (process_list->list_store, &iter);
 557
 558     g_hash_table_remove(process_list->process_hash,
 559         &Process_Info);
 560
 561     process_list->number_of_process--;
 562
 563     return 0;
 564   } else {
 565     return 1;
 566   }
 567 }
 568
 569
 570 guint processlist_get_height(ProcessList *process_list)
 571 {
 572   return get_cell_height(process_list,
 573                          GTK_TREE_VIEW(process_list->process_list_widget))
 574         * process_list->number_of_process ;
 575 }
 576
 577
 578 __inline gint processlist_get_process_pixels(  ProcessList *process_list,
 579           guint pid, guint cpu, LttTime *birth, guint trace_num,
 580           guint *y,
 581           guint *height,
 582           HashedProcessData **pm_hashed_process_data)
 583 {
 584   ProcessInfo Process_Info;
 585   gint *path_indices;
 586   GtkTreePath *tree_path;
 587   HashedProcessData *hashed_process_data = NULL;
 588
 589   Process_Info.pid = pid;
 590   Process_Info.cpu = cpu;
 591   Process_Info.birth = *birth;
 592   Process_Info.trace_num = trace_num;
 593
 594   if(hashed_process_data =
 595     (HashedProcessData*)g_hash_table_lookup(
 596           process_list->process_hash,
 597           &Process_Info))
 598   {
 599     tree_path = gtk_tree_model_get_path(
 600                     GTK_TREE_MODEL(process_list->list_store),
 601                     &hashed_process_data->y_iter);
 602     path_indices =  gtk_tree_path_get_indices (tree_path);
 603
 604     *height = get_cell_height(process_list,
 605         GTK_TREE_VIEW(process_list->process_list_widget));
 606     *y = *height * path_indices[0];
 607     *pm_hashed_process_data = hashed_process_data;
 608     gtk_tree_path_free(tree_path);
 609
 610     return 0;
 611   } else {
 612     *pm_hashed_process_data = hashed_process_data;
 613     return 1;
 614   }
 615
 616 }
 617
 618
 619 __inline gint processlist_get_pixels_from_data(  ProcessList *process_list,
 620           ProcessInfo *process_info,
 621           HashedProcessData *hashed_process_data,
 622           guint *y,
 623           guint *height)
 624 {
 625   gint *path_indices;
 626   GtkTreePath *tree_path;
 627
 628   tree_path = gtk_tree_model_get_path(GTK_TREE_MODEL(process_list->list_store),
 629                     &hashed_process_data->y_iter);
 630   path_indices =  gtk_tree_path_get_indices (tree_path);
 631
 632   *height = get_cell_height(process_list,
 633       GTK_TREE_VIEW(process_list->process_list_widget));
 634   *y = *height * path_indices[0];
 635   gtk_tree_path_free(tree_path);
 636
 637   return 0;
 638
 639 }
 640
 641 static __inline guint get_cpu_number_from_name(GQuark name)
 642 {
 643   const gchar *string;
 644   char *begin;
 645   guint cpu;
 646
 647   string = g_quark_to_string(name);
 648
 649   begin = strrchr(string, '/');
 650   begin++;
 651
 652   g_assert(begin != '\0');
 653
 654   cpu = strtoul(begin, NULL, 10);
 655
 656   return cpu;
 657 }
 658