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 process_list_hash_fct(gconstpointer key)
 237 {
 238   guint pid = ((ProcessInfo*)key)->pid;
 239   return ((pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ^ ((ProcessInfo*)key)->cpu);
 240 }
 241
 242 static gboolean process_list_equ_fct(gconstpointer a, gconstpointer b)
 243 {
 244   const ProcessInfo *pa = (const ProcessInfo*)a;
 245   const ProcessInfo *pb = (const ProcessInfo*)b;
 246
 247   if(pa->pid != pb->pid)
 248     return 0;
 249
 250   if((pa->pid == 0 && (pa->cpu != pb->cpu)))
 251     return 0;
 252
 253   if(pa->birth.tv_sec != pb->birth.tv_sec)
 254     return 0;
 255
 256   if(pa->birth.tv_nsec != pb->birth.tv_nsec)
 257     return 0;
 258
 259   if(pa->trace_num != pb->trace_num)
 260     return 0;
 261
 262   return 1;
 263 }
 264
 265 void destroy_hash_key(gpointer key);
 266
 267 void destroy_hash_data(gpointer data);
 268
 269
 270
 271
 272 ProcessList *processlist_construct(void)
 273 {
 274   GtkTreeViewColumn *column;
 275   GtkCellRenderer *renderer;
 276
 277   ProcessList* process_list = g_new(ProcessList,1);
 278
 279   process_list->number_of_process = 0;
 280   process_list->cell_height_cache = -1;
 281
 282   process_list->current_hash_data = NULL;
 283
 284   /* Create the Process list */
 285   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 286               G_TYPE_STRING,
 287               G_TYPE_UINT,
 288               G_TYPE_UINT,
 289               G_TYPE_UINT,
 290               G_TYPE_ULONG,
 291               G_TYPE_ULONG,
 292               G_TYPE_ULONG);
 293
 294
 295   process_list->process_list_widget =
 296     gtk_tree_view_new_with_model
 297     (GTK_TREE_MODEL (process_list->list_store));
 298   g_object_unref (G_OBJECT (process_list->list_store));
 299
 300   gtk_tree_sortable_set_sort_func(
 301       GTK_TREE_SORTABLE(process_list->list_store),
 302       PID_COLUMN,
 303       process_sort_func,
 304       NULL,
 305       NULL);
 306
 307   gtk_tree_sortable_set_sort_column_id(
 308       GTK_TREE_SORTABLE(process_list->list_store),
 309       PID_COLUMN,
 310       GTK_SORT_ASCENDING);
 311
 312   process_list->process_hash = g_hash_table_new_full(
 313       process_list_hash_fct, process_list_equ_fct,
 314       destroy_hash_key, destroy_hash_data
 315       );
 316
 317
 318   gtk_tree_view_set_headers_visible(
 319     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 320
 321   /* Create a column, associating the "text" attribute of the
 322    * cell_renderer to the first column of the model */
 323   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 324   renderer = gtk_cell_renderer_text_new ();
 325   column = gtk_tree_view_column_new_with_attributes ( "Process",
 326                 renderer,
 327                 "text",
 328                 PROCESS_COLUMN,
 329                 NULL);
 330   gtk_tree_view_column_set_alignment (column, 0.0);
 331   gtk_tree_view_column_set_fixed_width (column, 45);
 332   gtk_tree_view_append_column (
 333     GTK_TREE_VIEW (process_list->process_list_widget), column);
 334
 335   process_list->button = column->button;
 336
 337   column = gtk_tree_view_column_new_with_attributes ( "PID",
 338                 renderer,
 339                 "text",
 340                 PID_COLUMN,
 341                 NULL);
 342   gtk_tree_view_append_column (
 343     GTK_TREE_VIEW (process_list->process_list_widget), column);
 344
 345   column = gtk_tree_view_column_new_with_attributes ( "PPID",
 346                 renderer,
 347                 "text",
 348                 PPID_COLUMN,
 349                 NULL);
 350   gtk_tree_view_append_column (
 351     GTK_TREE_VIEW (process_list->process_list_widget), column);
 352
 353   column = gtk_tree_view_column_new_with_attributes ( "CPU",
 354                 renderer,
 355                 "text",
 356                 CPU_COLUMN,
 357                 NULL);
 358   gtk_tree_view_append_column (
 359     GTK_TREE_VIEW (process_list->process_list_widget), column);
 360
 361   column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
 362                 renderer,
 363                 "text",
 364                 BIRTH_S_COLUMN,
 365                 NULL);
 366   gtk_tree_view_append_column (
 367     GTK_TREE_VIEW (process_list->process_list_widget), column);
 368
 369   //gtk_tree_view_column_set_visible(column, 0);
 370   //
 371   column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 372                 renderer,
 373                 "text",
 374                 BIRTH_NS_COLUMN,
 375                 NULL);
 376   gtk_tree_view_append_column (
 377     GTK_TREE_VIEW (process_list->process_list_widget), column);
 378
 379   column = gtk_tree_view_column_new_with_attributes ( "TRACE",
 380                 renderer,
 381                 "text",
 382                 TRACE_COLUMN,
 383                 NULL);
 384   gtk_tree_view_append_column (
 385     GTK_TREE_VIEW (process_list->process_list_widget), column);
 386
 387
 388   //gtk_tree_view_column_set_visible(column, 0);
 389
 390   g_object_set_data_full(
 391       G_OBJECT(process_list->process_list_widget),
 392       "process_list_Data",
 393       process_list,
 394       (GDestroyNotify)processlist_destroy);
 395
 396   return process_list;
 397 }
 398
 399 void processlist_destroy(ProcessList *process_list)
 400 {
 401   g_debug("processlist_destroy %p", process_list);
 402   g_hash_table_destroy(process_list->process_hash);
 403   process_list->process_hash = NULL;
 404
 405   g_free(process_list);
 406   g_debug("processlist_destroy end");
 407 }
 408
 409 static gboolean remove_hash_item(ProcessInfo *process_info,
 410                                  HashedProcessData *hashed_process_data,
 411                                  ProcessList *process_list)
 412 {
 413   GtkTreeIter iter;
 414
 415   iter = hashed_process_data->y_iter;
 416
 417   gtk_list_store_remove (process_list->list_store, &iter);
 418
 419   if(process_list->current_hash_data != NULL) {
 420     if(hashed_process_data ==
 421                 process_list->current_hash_data[process_info->cpu])
 422       process_list->current_hash_data[process_info->cpu] = NULL;
 423   }
 424   return TRUE; /* remove the element from the hash table */
 425 }
 426
 427 void processlist_clear(ProcessList *process_list)
 428 {
 429   g_info("processlist_clear %p", process_list);
 430
 431   g_hash_table_foreach_remove(process_list->process_hash,
 432                               (GHRFunc)remove_hash_item,
 433                               (gpointer)process_list);
 434   process_list->number_of_process = 0;
 435 }
 436
 437
 438 GtkWidget *processlist_get_widget(ProcessList *process_list)
 439 {
 440   return process_list->process_list_widget;
 441 }
 442
 443
 444
 445 static inline gint get_cell_height(ProcessList *process_list, GtkTreeView *tree_view)
 446 {
 447   gint height = process_list->cell_height_cache;
 448   if(height != -1) return height;
 449   else {
 450     GtkTreeViewColumn *Column = gtk_tree_view_get_column(tree_view, 0);
 451
 452     gtk_tree_view_column_cell_get_size(Column, NULL, NULL, NULL, NULL,
 453                                        &process_list->cell_height_cache);
 454   }
 455
 456
 457   return process_list->cell_height_cache;
 458 }
 459
 460 void destroy_hash_key(gpointer key)
 461 {
 462   g_free(key);
 463 }
 464
 465 void destroy_hash_data(gpointer data)
 466 {
 467   g_free(data);
 468 }
 469
 470 int processlist_add(  ProcessList *process_list,
 471       guint pid,
 472       guint cpu,
 473       guint ppid,
 474       LttTime *birth,
 475       guint trace_num,
 476       const gchar *name,
 477       guint *height,
 478       ProcessInfo **pm_process_info,
 479       HashedProcessData **pm_hashed_process_data)
 480 {
 481   ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
 482   HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
 483   *pm_hashed_process_data = hashed_process_data;
 484   *pm_process_info = Process_Info;
 485
 486   Process_Info->pid = pid;
 487   if(pid == 0)
 488     Process_Info->cpu = cpu;
 489   else
 490     Process_Info->cpu = 0;
 491   Process_Info->ppid = ppid;
 492   Process_Info->birth = *birth;
 493   Process_Info->trace_num = trace_num;
 494
 495   /* When we create it from before state update, we are sure that the
 496    * last event occured before the beginning of the global area.
 497    *
 498    * If it is created after state update, this value (0) will be
 499    * overriden by the new state before anything is drawn.
 500    */
 501   hashed_process_data->x.over = 0;
 502   hashed_process_data->x.over_used = FALSE;
 503   hashed_process_data->x.over_marked = FALSE;
 504   hashed_process_data->x.middle = 0;
 505   hashed_process_data->x.middle_used = FALSE;
 506   hashed_process_data->x.middle_marked = FALSE;
 507   hashed_process_data->x.under = 0;
 508   hashed_process_data->x.under_used = FALSE;
 509   hashed_process_data->x.under_marked = FALSE;
 510   hashed_process_data->next_good_time = ltt_time_zero;
 511
 512   /* Add a new row to the model */
 513   gtk_list_store_append ( process_list->list_store,
 514                           &hashed_process_data->y_iter);
 515
 516   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 517         PROCESS_COLUMN, name,
 518         PID_COLUMN, pid,
 519         PPID_COLUMN, ppid,
 520         CPU_COLUMN, cpu,
 521         BIRTH_S_COLUMN, birth->tv_sec,
 522         BIRTH_NS_COLUMN, birth->tv_nsec,
 523         TRACE_COLUMN, trace_num,
 524         -1);
 525 #if 0
 526   hashed_process_data->row_ref = gtk_tree_row_reference_new (
 527       GTK_TREE_MODEL(process_list->list_store),
 528       gtk_tree_model_get_path(
 529         GTK_TREE_MODEL(process_list->list_store),
 530         &iter));
 531 #endif //0
 532   g_hash_table_insert(process_list->process_hash,
 533         (gpointer)Process_Info,
 534         (gpointer)hashed_process_data);
 535
 536   //g_critical ( "iter after : %s", gtk_tree_path_to_string (
 537   //    gtk_tree_model_get_path (
 538   //        GTK_TREE_MODEL(process_list->list_store),
 539   //        &iter)));
 540   process_list->number_of_process++;
 541
 542   *height = get_cell_height(process_list,
 543                             GTK_TREE_VIEW(process_list->process_list_widget))
 544         * process_list->number_of_process ;
 545
 546   return 0;
 547 }
 548
 549 int processlist_remove( ProcessList *process_list,
 550       guint pid,
 551       guint cpu,
 552       LttTime *birth,
 553       guint trace_num)
 554 {
 555   ProcessInfo process_info;
 556   gint *path_indices;
 557   HashedProcessData *hashed_process_data;
 558   GtkTreeIter iter;
 559
 560   process_info.pid = pid;
 561   if(pid == 0)
 562     process_info.cpu = cpu;
 563   else
 564     process_info.cpu = 0;
 565   process_info.birth = *birth;
 566   process_info.trace_num = trace_num;
 567
 568
 569   if(hashed_process_data =
 570     (HashedProcessData*)g_hash_table_lookup(
 571           process_list->process_hash,
 572           &process_info))
 573   {
 574     iter = hashed_process_data->y_iter;
 575
 576     gtk_list_store_remove (process_list->list_store, &iter);
 577
 578     g_hash_table_remove(process_list->process_hash,
 579         &process_info);
 580
 581     if(process_list->current_hash_data != NULL) {
 582       if(hashed_process_data == process_list->current_hash_data[cpu]) {
 583         process_list->current_hash_data[cpu] = NULL;
 584       }
 585     }
 586     process_list->number_of_process--;
 587
 588     return 0;
 589   } else {
 590     return 1;
 591   }
 592 }
 593
 594
 595 #if 0
 596 static inline guint get_cpu_number_from_name(GQuark name)
 597 {
 598   const gchar *string;
 599   char *begin;
 600   guint cpu;
 601
 602   string = g_quark_to_string(name);
 603
 604   begin = strrchr(string, '/');
 605   begin++;
 606
 607   g_assert(begin != '\0');
 608
 609   cpu = strtoul(begin, NULL, 10);
 610
 611   return cpu;
 612 }
 613 #endif //0