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 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 guint hash_fct(gconstpointer key)
 237 {
 238   return ((ProcessInfo*)key)->pid;
 239 }
 240
 241 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
 280   /* Create the Process list */
 281   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 282               G_TYPE_STRING,
 283               G_TYPE_UINT,
 284               G_TYPE_UINT,
 285               G_TYPE_UINT,
 286               G_TYPE_ULONG,
 287               G_TYPE_ULONG,
 288               G_TYPE_ULONG);
 289
 290
 291   process_list->process_list_widget =
 292     gtk_tree_view_new_with_model
 293     (GTK_TREE_MODEL (process_list->list_store));
 294   g_object_unref (G_OBJECT (process_list->list_store));
 295
 296   gtk_tree_sortable_set_sort_func(
 297       GTK_TREE_SORTABLE(process_list->list_store),
 298       PID_COLUMN,
 299       process_sort_func,
 300       NULL,
 301       NULL);
 302
 303   gtk_tree_sortable_set_sort_column_id(
 304       GTK_TREE_SORTABLE(process_list->list_store),
 305       PID_COLUMN,
 306       GTK_SORT_ASCENDING);
 307
 308   process_list->process_hash = g_hash_table_new_full(
 309       hash_fct, equ_fct,
 310       destroy_hash_key, destroy_hash_data
 311       );
 312
 313
 314   gtk_tree_view_set_headers_visible(
 315     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 316
 317   /* Create a column, associating the "text" attribute of the
 318    * cell_renderer to the first column of the model */
 319   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 320   renderer = gtk_cell_renderer_text_new ();
 321   column = gtk_tree_view_column_new_with_attributes ( "Process",
 322                 renderer,
 323                 "text",
 324                 PROCESS_COLUMN,
 325                 NULL);
 326   gtk_tree_view_column_set_alignment (column, 0.0);
 327   gtk_tree_view_column_set_fixed_width (column, 45);
 328   gtk_tree_view_append_column (
 329     GTK_TREE_VIEW (process_list->process_list_widget), column);
 330
 331   process_list->button = column->button;
 332
 333   column = gtk_tree_view_column_new_with_attributes ( "PID",
 334                 renderer,
 335                 "text",
 336                 PID_COLUMN,
 337                 NULL);
 338   gtk_tree_view_append_column (
 339     GTK_TREE_VIEW (process_list->process_list_widget), column);
 340
 341   column = gtk_tree_view_column_new_with_attributes ( "PPID",
 342                 renderer,
 343                 "text",
 344                 PPID_COLUMN,
 345                 NULL);
 346   gtk_tree_view_append_column (
 347     GTK_TREE_VIEW (process_list->process_list_widget), column);
 348
 349   column = gtk_tree_view_column_new_with_attributes ( "CPU",
 350                 renderer,
 351                 "text",
 352                 CPU_COLUMN,
 353                 NULL);
 354   gtk_tree_view_append_column (
 355     GTK_TREE_VIEW (process_list->process_list_widget), column);
 356
 357   column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
 358                 renderer,
 359                 "text",
 360                 BIRTH_S_COLUMN,
 361                 NULL);
 362   gtk_tree_view_append_column (
 363     GTK_TREE_VIEW (process_list->process_list_widget), column);
 364
 365   //gtk_tree_view_column_set_visible(column, 0);
 366   //
 367   column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 368                 renderer,
 369                 "text",
 370                 BIRTH_NS_COLUMN,
 371                 NULL);
 372   gtk_tree_view_append_column (
 373     GTK_TREE_VIEW (process_list->process_list_widget), column);
 374
 375   column = gtk_tree_view_column_new_with_attributes ( "TRACE",
 376                 renderer,
 377                 "text",
 378                 TRACE_COLUMN,
 379                 NULL);
 380   gtk_tree_view_append_column (
 381     GTK_TREE_VIEW (process_list->process_list_widget), column);
 382
 383
 384   //gtk_tree_view_column_set_visible(column, 0);
 385
 386   g_object_set_data_full(
 387       G_OBJECT(process_list->process_list_widget),
 388       "process_list_Data",
 389       process_list,
 390       (GDestroyNotify)processlist_destroy);
 391
 392   return process_list;
 393 }
 394
 395 void processlist_destroy(ProcessList *process_list)
 396 {
 397   g_debug("processlist_destroy %p", process_list);
 398   g_hash_table_destroy(process_list->process_hash);
 399   process_list->process_hash = NULL;
 400
 401   g_free(process_list);
 402   g_debug("processlist_destroy end");
 403 }
 404
 405 static gboolean remove_hash_item(ProcessInfo *process_info,
 406                                  HashedProcessData *hashed_process_data,
 407                                  ProcessList *process_list)
 408 {
 409   GtkTreePath *tree_path;
 410   GtkTreeIter iter;
 411
 412   tree_path = gtk_tree_row_reference_get_path(
 413                   hashed_process_data->row_ref);
 414
 415   gtk_tree_model_get_iter (
 416       GTK_TREE_MODEL(process_list->list_store),
 417       &iter, tree_path);
 418
 419   gtk_tree_path_free(tree_path);
 420
 421   gtk_list_store_remove (process_list->list_store, &iter);
 422
 423   return TRUE; /* remove the element from the hash table */
 424 }
 425
 426 void processlist_clear(ProcessList *process_list)
 427 {
 428   g_info("processlist_clear %p", process_list);
 429
 430   g_hash_table_foreach_remove(process_list->process_hash,
 431                               (GHRFunc)remove_hash_item,
 432                               (gpointer)process_list);
 433   process_list->number_of_process = 0;
 434 }
 435
 436
 437 GtkWidget *processlist_get_widget(ProcessList *process_list)
 438 {
 439   return process_list->process_list_widget;
 440 }
 441
 442
 443
 444 gint get_cell_height(GtkTreeView *tree_view)
 445 {
 446   gint height;
 447   GtkTreeViewColumn *Column = gtk_tree_view_get_column(tree_view, 0);
 448   //GList *Render_List = gtk_tree_view_column_get_cell_renderers(Column);
 449   //GtkCellRenderer *Renderer = g_list_first(Render_List)->data;
 450
 451   //g_list_free(Render_List);
 452   gtk_tree_view_column_cell_get_size(Column, NULL, NULL, NULL, NULL, &height);
 453   //g_critical("cell 0 height : %u",height);
 454
 455   return height;
 456 }
 457
 458 void destroy_hash_key(gpointer key)
 459 {
 460   g_free(key);
 461 }
 462
 463 void destroy_hash_data(gpointer data)
 464 {
 465   g_free(data);
 466 }
 467
 468 int processlist_add(  ProcessList *process_list,
 469       guint pid,
 470       guint cpu,
 471       guint ppid,
 472       LttTime *birth,
 473       guint trace_num,
 474       const gchar *name,
 475       guint *height,
 476       HashedProcessData **pm_hashed_process_data)
 477 {
 478   GtkTreeIter iter ;
 479   ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
 480   HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
 481   *pm_hashed_process_data = hashed_process_data;
 482
 483   Process_Info->pid = pid;
 484   if(pid == 0)
 485     Process_Info->cpu = cpu;
 486   else
 487     Process_Info->cpu = 0;
 488   Process_Info->ppid = ppid;
 489   Process_Info->birth = *birth;
 490   Process_Info->trace_num = trace_num;
 491
 492   /* When we create it from before state update, we are sure that the
 493    * last event occured before the beginning of the global area.
 494    *
 495    * If it is created after state update, this value (0) will be
 496    * overriden by the new state before anything is drawn.
 497    */
 498   hashed_process_data->x.over = 0;
 499   hashed_process_data->x.middle = 0;
 500   hashed_process_data->x.under = 0;
 501
 502   /* Add a new row to the model */
 503   gtk_list_store_append ( process_list->list_store, &iter);
 504   //g_critical ( "iter before : %s", gtk_tree_path_to_string (
 505   //    gtk_tree_model_get_path (
 506   //        GTK_TREE_MODEL(process_list->list_store),
 507   //        &iter)));
 508   gtk_list_store_set (  process_list->list_store, &iter,
 509         PROCESS_COLUMN, name,
 510         PID_COLUMN, pid,
 511         PPID_COLUMN, ppid,
 512         CPU_COLUMN, get_cpu_number_from_name(cpu),
 513         BIRTH_S_COLUMN, birth->tv_sec,
 514         BIRTH_NS_COLUMN, birth->tv_nsec,
 515         TRACE_COLUMN, trace_num,
 516         -1);
 517   hashed_process_data->row_ref = gtk_tree_row_reference_new (
 518       GTK_TREE_MODEL(process_list->list_store),
 519       gtk_tree_model_get_path(
 520         GTK_TREE_MODEL(process_list->list_store),
 521         &iter));
 522   g_hash_table_insert(process_list->process_hash,
 523         (gpointer)Process_Info,
 524         (gpointer)hashed_process_data);
 525
 526   //g_critical ( "iter after : %s", gtk_tree_path_to_string (
 527   //    gtk_tree_model_get_path (
 528   //        GTK_TREE_MODEL(process_list->list_store),
 529   //        &iter)));
 530   process_list->number_of_process++;
 531
 532   *height = get_cell_height(GTK_TREE_VIEW(process_list->process_list_widget))
 533         * process_list->number_of_process ;
 534
 535
 536   return 0;
 537
 538 }
 539
 540 int processlist_remove( ProcessList *process_list,
 541       guint pid,
 542       guint cpu,
 543       LttTime *birth,
 544       guint trace_num)
 545 {
 546   ProcessInfo Process_Info;
 547   gint *path_indices;
 548   HashedProcessData *hashed_process_data;
 549   GtkTreeIter iter;
 550
 551   Process_Info.pid = pid;
 552   Process_Info.cpu = cpu;
 553   Process_Info.birth = *birth;
 554   Process_Info.trace_num = trace_num;
 555
 556
 557   if(hashed_process_data =
 558     (HashedProcessData*)g_hash_table_lookup(
 559           process_list->process_hash,
 560           &Process_Info))
 561   {
 562     GtkTreePath *tree_path;
 563
 564     tree_path = gtk_tree_row_reference_get_path(
 565                     hashed_process_data->row_ref);
 566
 567     gtk_tree_model_get_iter (
 568         GTK_TREE_MODEL(process_list->list_store),
 569         &iter, tree_path);
 570
 571     gtk_tree_path_free(tree_path);
 572
 573     gtk_list_store_remove (process_list->list_store, &iter);
 574
 575     g_hash_table_remove(process_list->process_hash,
 576         &Process_Info);
 577
 578     process_list->number_of_process--;
 579
 580     return 0;
 581   } else {
 582     return 1;
 583   }
 584 }
 585
 586
 587 guint processlist_get_height(ProcessList *process_list)
 588 {
 589   return get_cell_height(GTK_TREE_VIEW(process_list->process_list_widget))
 590         * process_list->number_of_process ;
 591 }
 592
 593
 594 gint processlist_get_process_pixels(  ProcessList *process_list,
 595           guint pid, guint cpu, LttTime *birth, guint trace_num,
 596           guint *y,
 597           guint *height,
 598           HashedProcessData **pm_hashed_process_data)
 599 {
 600   ProcessInfo Process_Info;
 601   gint *path_indices;
 602   GtkTreePath *tree_path;
 603   HashedProcessData *hashed_process_data = NULL;
 604
 605   Process_Info.pid = pid;
 606   Process_Info.cpu = cpu;
 607   Process_Info.birth = *birth;
 608   Process_Info.trace_num = trace_num;
 609
 610   if(hashed_process_data =
 611     (HashedProcessData*)g_hash_table_lookup(
 612           process_list->process_hash,
 613           &Process_Info))
 614   {
 615     tree_path = gtk_tree_row_reference_get_path(
 616                     hashed_process_data->row_ref);
 617     path_indices =  gtk_tree_path_get_indices (tree_path);
 618
 619     *height = get_cell_height(
 620         GTK_TREE_VIEW(process_list->process_list_widget));
 621     *y = *height * path_indices[0];
 622     *pm_hashed_process_data = hashed_process_data;
 623     gtk_tree_path_free(tree_path);
 624
 625     return 0;
 626   } else {
 627     *pm_hashed_process_data = hashed_process_data;
 628     return 1;
 629   }
 630
 631 }
 632
 633
 634 gint processlist_get_pixels_from_data(  ProcessList *process_list,
 635           ProcessInfo *process_info,
 636           HashedProcessData *hashed_process_data,
 637           guint *y,
 638           guint *height)
 639 {
 640   gint *path_indices;
 641   GtkTreePath *tree_path;
 642
 643   tree_path = gtk_tree_row_reference_get_path(
 644                   hashed_process_data->row_ref);
 645   path_indices =  gtk_tree_path_get_indices (tree_path);
 646
 647   *height = get_cell_height(
 648       GTK_TREE_VIEW(process_list->process_list_widget));
 649   *y = *height * path_indices[0];
 650   gtk_tree_path_free(tree_path);
 651
 652   return 0;
 653
 654 }
 655
 656 static guint get_cpu_number_from_name(GQuark name)
 657 {
 658   /* remember / */
 659   const gchar *string;
 660   char *begin;
 661   guint cpu;
 662
 663   string = g_quark_to_string(name);
 664
 665   begin = strrchr(string, '/');
 666   begin++;
 667
 668   g_assert(begin != '\0');
 669
 670   cpu = strtoul(begin, NULL, 10);
 671
 672   return cpu;
 673 }
 674