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 #ifdef HAVE_CONFIG_H
  20 #include <config.h>
  21 #endif
  22
  23 #include <gtk/gtk.h>
  24 #include <glib.h>
  25 #include <string.h>
  26 #include <stdlib.h>
  27 #include <math.h>
  28
  29 #include "processlist.h"
  30 #include "drawing.h"
  31 #include "drawitem.h"
  32
  33 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
  34 #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
  35
  36 /* Preallocated Size of the index_to_pixmap array */
  37 #define ALLOCATE_PROCESSES 1000
  38
  39 /*****************************************************************************
  40  *                       Methods to synchronize process list                 *
  41  *****************************************************************************/
  42
  43
  44 gint process_sort_func  ( GtkTreeModel *model,
  45         GtkTreeIter *it_a,
  46         GtkTreeIter *it_b,
  47         gpointer user_data)
  48 {
  49   gchar *a_name;
  50   guint a_pid, a_ppid, a_cpu;
  51   gulong a_birth_s, a_birth_ns;
  52   gulong a_trace;
  53
  54   gchar *b_name;
  55   guint b_pid, b_ppid, b_cpu;
  56   gulong b_birth_s, b_birth_ns;
  57   gulong b_trace;
  58
  59   gtk_tree_model_get(model,
  60            it_a,
  61            0, &a_name,
  62            1, &a_pid,
  63            2, &a_ppid,
  64            3, &a_cpu,
  65            4, &a_birth_s,
  66            5, &a_birth_ns,
  67            6, &a_trace,
  68            -1);
  69
  70   gtk_tree_model_get(model,
  71            it_b,
  72            0, &b_name,
  73            1, &b_pid,
  74            2, &b_ppid,
  75            3, &b_cpu,
  76            4, &b_birth_s,
  77            5, &b_birth_ns,
  78            6, &b_trace,
  79            -1);
  80
  81
  82   /* Order by PID */
  83   if(a_pid == 0 &&  b_pid == 0) {
  84     /* If 0, order by CPU */
  85     if(a_cpu > b_cpu) return 1;
  86     if(a_cpu < b_cpu) return -1;
  87
  88   } else { /* if not 0, order by pid */
  89
  90     if(a_pid > b_pid) return 1;
  91     if(a_pid < b_pid) return -1;
  92   }
  93
  94   /* Order by birth second */
  95
  96   if(a_birth_s > b_birth_s) return 1;
  97   if(a_birth_s < b_birth_s) return -1;
  98
  99
 100   /* Order by birth nanosecond */
 101   if(a_birth_ns > b_birth_ns) return 1;
 102   if(a_birth_ns < b_birth_ns) return -1;
 103
 104   /* Order by trace_num */
 105   if(a_trace > b_trace) return 1;
 106   if(a_trace < b_trace) return -1;
 107
 108   return 0;
 109
 110 }
 111
 112 static guint process_list_hash_fct(gconstpointer key)
 113 {
 114   guint pid = ((const ProcessInfo*)key)->pid;
 115   return ((pid>>8 ^ pid>>4 ^ pid>>2 ^ pid) ^ ((const ProcessInfo*)key)->cpu);
 116 }
 117
 118 /* If hash is good, should be different */
 119 static gboolean process_list_equ_fct(gconstpointer a, gconstpointer b)
 120 {
 121   const ProcessInfo *pa = (const ProcessInfo*)a;
 122   const ProcessInfo *pb = (const ProcessInfo*)b;
 123
 124   gboolean ret = TRUE;
 125
 126   if(likely(pa->pid != pb->pid))
 127     ret = FALSE;
 128   else if(likely((pa->pid == 0 && (pa->cpu != pb->cpu))))
 129     ret = FALSE;
 130   else if(unlikely(ltt_time_compare(pa->birth, pb->birth) != 0))
 131     ret = FALSE;
 132   else if(unlikely(pa->trace_num != pb->trace_num))
 133     ret = FALSE;
 134
 135   return ret;
 136 }
 137
 138 void destroy_hash_key(gpointer key);
 139
 140 void destroy_hash_data(gpointer data);
 141
 142
 143 static void update_index_to_pixmap_each(ProcessInfo *key,
 144                                         HashedProcessData *value,
 145                                         ProcessList *process_list)
 146 {
 147   guint array_index = processlist_get_index_from_data(process_list, value);
 148
 149   g_assert(array_index < process_list->index_to_pixmap->len);
 150
 151   GdkPixmap **pixmap =
 152     (GdkPixmap**)&g_ptr_array_index(process_list->index_to_pixmap, array_index);
 153
 154   *pixmap = value->pixmap;
 155 }
 156
 157
 158 void update_index_to_pixmap(ProcessList *process_list)
 159 {
 160   g_ptr_array_set_size(process_list->index_to_pixmap,
 161                        g_hash_table_size(process_list->process_hash));
 162   g_hash_table_foreach(process_list->process_hash,
 163                        (GHFunc)update_index_to_pixmap_each,
 164                        process_list);
 165 }
 166
 167
 168 static void update_pixmap_size_each(ProcessInfo *key,
 169                                     HashedProcessData *value,
 170                                     guint width)
 171 {
 172   GdkPixmap *old_pixmap = value->pixmap;
 173
 174   value->pixmap =
 175         gdk_pixmap_new(old_pixmap,
 176                        width,
 177                        value->height,
 178                        -1);
 179
 180   gdk_pixmap_unref(old_pixmap);
 181 }
 182
 183
 184 void update_pixmap_size(ProcessList *process_list, guint width)
 185 {
 186   g_hash_table_foreach(process_list->process_hash,
 187                        (GHFunc)update_pixmap_size_each,
 188                        (gpointer)width);
 189 }
 190
 191
 192 typedef struct _CopyPixmap {
 193   GdkDrawable *dest;
 194   GdkGC *gc;
 195   GdkDrawable *src;
 196   gint xsrc, ysrc, xdest, ydest, width, height;
 197 } CopyPixmap;
 198
 199 static void copy_pixmap_region_each(ProcessInfo *key,
 200                                     HashedProcessData *value,
 201                                     CopyPixmap *cp)
 202 {
 203   GdkPixmap *src = cp->src;
 204   GdkPixmap *dest = cp->dest;
 205
 206   if(dest == NULL)
 207     dest = value->pixmap;
 208   if(src == NULL)
 209     src = value->pixmap;
 210
 211   gdk_draw_drawable (dest,
 212       cp->gc,
 213       src,
 214       cp->xsrc, cp->ysrc,
 215       cp->xdest, cp->ydest,
 216       cp->width, cp->height);
 217 }
 218
 219
 220
 221
 222 void copy_pixmap_region(ProcessList *process_list, GdkDrawable *dest,
 223     GdkGC *gc, GdkDrawable *src,
 224     gint xsrc, gint ysrc,
 225     gint xdest, gint ydest, gint width, gint height)
 226 {
 227   CopyPixmap cp = { dest, gc, src, xsrc, ysrc, xdest, ydest, width, height };
 228
 229   g_hash_table_foreach(process_list->process_hash,
 230                        (GHFunc)copy_pixmap_region_each,
 231                        &cp);
 232 }
 233
 234
 235
 236 typedef struct _RectanglePixmap {
 237   gboolean filled;
 238   gint x, y, width, height;
 239   GdkGC *gc;
 240 } RectanglePixmap;
 241
 242 static void rectangle_pixmap_each(ProcessInfo *key,
 243                                   HashedProcessData *value,
 244                                   RectanglePixmap *rp)
 245 {
 246   if(rp->height == -1)
 247     rp->height = value->height;
 248
 249   gdk_draw_rectangle (value->pixmap,
 250       rp->gc,
 251       rp->filled,
 252       rp->x, rp->y,
 253       rp->width, rp->height);
 254 }
 255
 256
 257
 258
 259 void rectangle_pixmap(ProcessList *process_list, GdkGC *gc,
 260     gboolean filled, gint x, gint y, gint width, gint height)
 261 {
 262   RectanglePixmap rp = { filled, x, y, width, height, gc };
 263
 264   g_hash_table_foreach(process_list->process_hash,
 265                        (GHFunc)rectangle_pixmap_each,
 266                        &rp);
 267 }
 268
 269
 270 /* Renders each pixmaps into on big drawable */
 271 void copy_pixmap_to_screen(ProcessList *process_list,
 272     GdkDrawable *dest,
 273     GdkGC *gc,
 274     gint x, gint y,
 275     gint width, gint height)
 276 {
 277   if(process_list->index_to_pixmap->len == 0) return;
 278   guint cell_height = process_list->cell_height;
 279
 280   /* Get indexes */
 281   gint begin = floor(y/(double)cell_height);
 282   gint end = MIN(ceil((y+height)/(double)cell_height),
 283                  process_list->index_to_pixmap->len);
 284   gint i;
 285
 286   for(i=begin; i<end; i++) {
 287     g_assert(i<process_list->index_to_pixmap->len);
 288     /* Render the pixmap to the screen */
 289     GdkPixmap *pixmap =
 290       (GdkPixmap*)g_ptr_array_index(process_list->index_to_pixmap, i);
 291
 292     gdk_draw_drawable (dest,
 293         gc,
 294         pixmap,
 295         x, 0,
 296         x, i*cell_height,
 297         width, cell_height);
 298
 299   }
 300
 301
 302 }
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312 ProcessList *processlist_construct(void)
 313 {
 314   GtkTreeViewColumn *column;
 315   GtkCellRenderer *renderer;
 316
 317   ProcessList* process_list = g_new(ProcessList,1);
 318
 319   process_list->number_of_process = 0;
 320
 321   process_list->current_hash_data = NULL;
 322
 323   /* Create the Process list */
 324   process_list->list_store = gtk_list_store_new (  N_COLUMNS,
 325               G_TYPE_STRING,
 326               G_TYPE_UINT,
 327               G_TYPE_UINT,
 328               G_TYPE_UINT,
 329               G_TYPE_ULONG,
 330               G_TYPE_ULONG,
 331               G_TYPE_ULONG);
 332
 333
 334   process_list->process_list_widget =
 335     gtk_tree_view_new_with_model
 336     (GTK_TREE_MODEL (process_list->list_store));
 337
 338   g_object_unref (G_OBJECT (process_list->list_store));
 339
 340   gtk_tree_sortable_set_default_sort_func(
 341       GTK_TREE_SORTABLE(process_list->list_store),
 342       process_sort_func,
 343       NULL,
 344       NULL);
 345
 346
 347   gtk_tree_sortable_set_sort_column_id(
 348       GTK_TREE_SORTABLE(process_list->list_store),
 349       GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
 350       GTK_SORT_ASCENDING);
 351
 352
 353   process_list->process_hash = g_hash_table_new_full(
 354       process_list_hash_fct, process_list_equ_fct,
 355       destroy_hash_key, destroy_hash_data
 356       );
 357
 358
 359   gtk_tree_view_set_headers_visible(
 360     GTK_TREE_VIEW(process_list->process_list_widget), TRUE);
 361
 362   /* Create a column, associating the "text" attribute of the
 363    * cell_renderer to the first column of the model */
 364   /* Columns alignment : 0.0 : Left    0.5 : Center   1.0 : Right */
 365   renderer = gtk_cell_renderer_text_new ();
 366   process_list->renderer = renderer;
 367
 368   gtk_cell_renderer_get_size(renderer,
 369       GTK_WIDGET(process_list->process_list_widget),
 370       NULL,
 371       NULL,
 372       NULL,
 373       NULL,
 374       &process_list->cell_height);
 375
 376   guint ypad;
 377   g_object_get(G_OBJECT(renderer), "ypad", &ypad, NULL);
 378
 379   process_list->cell_height += ypad;
 380
 381   column = gtk_tree_view_column_new_with_attributes ( "Process",
 382                 renderer,
 383                 "text",
 384                 PROCESS_COLUMN,
 385                 NULL);
 386   gtk_tree_view_column_set_alignment (column, 0.0);
 387   gtk_tree_view_column_set_fixed_width (column, 45);
 388   gtk_tree_view_append_column (
 389     GTK_TREE_VIEW (process_list->process_list_widget), column);
 390
 391   process_list->button = column->button;
 392
 393   column = gtk_tree_view_column_new_with_attributes ( "PID",
 394                 renderer,
 395                 "text",
 396                 PID_COLUMN,
 397                 NULL);
 398   gtk_tree_view_append_column (
 399     GTK_TREE_VIEW (process_list->process_list_widget), column);
 400
 401   column = gtk_tree_view_column_new_with_attributes ( "PPID",
 402                 renderer,
 403                 "text",
 404                 PPID_COLUMN,
 405                 NULL);
 406   gtk_tree_view_append_column (
 407     GTK_TREE_VIEW (process_list->process_list_widget), column);
 408
 409   column = gtk_tree_view_column_new_with_attributes ( "CPU",
 410                 renderer,
 411                 "text",
 412                 CPU_COLUMN,
 413                 NULL);
 414   gtk_tree_view_append_column (
 415     GTK_TREE_VIEW (process_list->process_list_widget), column);
 416
 417   column = gtk_tree_view_column_new_with_attributes ( "Birth sec",
 418                 renderer,
 419                 "text",
 420                 BIRTH_S_COLUMN,
 421                 NULL);
 422   gtk_tree_view_append_column (
 423     GTK_TREE_VIEW (process_list->process_list_widget), column);
 424
 425   //gtk_tree_view_column_set_visible(column, 0);
 426   //
 427   column = gtk_tree_view_column_new_with_attributes ( "Birth nsec",
 428                 renderer,
 429                 "text",
 430                 BIRTH_NS_COLUMN,
 431                 NULL);
 432   gtk_tree_view_append_column (
 433     GTK_TREE_VIEW (process_list->process_list_widget), column);
 434
 435   column = gtk_tree_view_column_new_with_attributes ( "TRACE",
 436                 renderer,
 437                 "text",
 438                 TRACE_COLUMN,
 439                 NULL);
 440   gtk_tree_view_append_column (
 441     GTK_TREE_VIEW (process_list->process_list_widget), column);
 442
 443
 444   //gtk_tree_view_column_set_visible(column, 0);
 445
 446   g_object_set_data_full(
 447       G_OBJECT(process_list->process_list_widget),
 448       "process_list_Data",
 449       process_list,
 450       (GDestroyNotify)processlist_destroy);
 451
 452   process_list->index_to_pixmap = g_ptr_array_sized_new(ALLOCATE_PROCESSES);
 453
 454   return process_list;
 455 }
 456
 457 void processlist_destroy(ProcessList *process_list)
 458 {
 459   g_debug("processlist_destroy %p", process_list);
 460   g_hash_table_destroy(process_list->process_hash);
 461   process_list->process_hash = NULL;
 462   g_ptr_array_free(process_list->index_to_pixmap, TRUE);
 463
 464   g_free(process_list);
 465   g_debug("processlist_destroy end");
 466 }
 467
 468 static gboolean remove_hash_item(ProcessInfo *process_info,
 469                                  HashedProcessData *hashed_process_data,
 470                                  ProcessList *process_list)
 471 {
 472   GtkTreeIter iter;
 473
 474   iter = hashed_process_data->y_iter;
 475
 476   gtk_list_store_remove (process_list->list_store, &iter);
 477   gdk_pixmap_unref(hashed_process_data->pixmap);
 478
 479   if(likely(process_list->current_hash_data != NULL)) {
 480     if(likely(hashed_process_data ==
 481                 process_list->current_hash_data[process_info->cpu]))
 482       process_list->current_hash_data[process_info->cpu] = NULL;
 483   }
 484   return TRUE; /* remove the element from the hash table */
 485 }
 486
 487 void processlist_clear(ProcessList *process_list)
 488 {
 489   g_info("processlist_clear %p", process_list);
 490
 491   g_hash_table_foreach_remove(process_list->process_hash,
 492                               (GHRFunc)remove_hash_item,
 493                               (gpointer)process_list);
 494   process_list->number_of_process = 0;
 495   update_index_to_pixmap(process_list);
 496 }
 497
 498
 499 GtkWidget *processlist_get_widget(ProcessList *process_list)
 500 {
 501   return process_list->process_list_widget;
 502 }
 503
 504
 505 void destroy_hash_key(gpointer key)
 506 {
 507   g_free(key);
 508 }
 509
 510 void destroy_hash_data(gpointer data)
 511 {
 512   g_free(data);
 513 }
 514
 515 int processlist_add(  ProcessList *process_list,
 516       Drawing_t *drawing,
 517       guint pid,
 518       guint cpu,
 519       guint ppid,
 520       LttTime *birth,
 521       guint trace_num,
 522       const gchar *name,
 523       guint *height,
 524       ProcessInfo **pm_process_info,
 525       HashedProcessData **pm_hashed_process_data)
 526 {
 527   ProcessInfo *Process_Info = g_new(ProcessInfo, 1);
 528   HashedProcessData *hashed_process_data = g_new(HashedProcessData, 1);
 529   *pm_hashed_process_data = hashed_process_data;
 530   *pm_process_info = Process_Info;
 531
 532   Process_Info->pid = pid;
 533   if(pid == 0)
 534     Process_Info->cpu = cpu;
 535   else
 536     Process_Info->cpu = 0;
 537   Process_Info->ppid = ppid;
 538   Process_Info->birth = *birth;
 539   Process_Info->trace_num = trace_num;
 540
 541   /* When we create it from before state update, we are sure that the
 542    * last event occured before the beginning of the global area.
 543    *
 544    * If it is created after state update, this value (0) will be
 545    * overriden by the new state before anything is drawn.
 546    */
 547   hashed_process_data->x.over = 0;
 548   hashed_process_data->x.over_used = FALSE;
 549   hashed_process_data->x.over_marked = FALSE;
 550   hashed_process_data->x.middle = 0;
 551   hashed_process_data->x.middle_used = FALSE;
 552   hashed_process_data->x.middle_marked = FALSE;
 553   hashed_process_data->x.under = 0;
 554   hashed_process_data->x.under_used = FALSE;
 555   hashed_process_data->x.under_marked = FALSE;
 556   hashed_process_data->next_good_time = ltt_time_zero;
 557
 558   /* Add a new row to the model */
 559   gtk_list_store_append ( process_list->list_store,
 560                           &hashed_process_data->y_iter);
 561
 562   gtk_list_store_set (  process_list->list_store, &hashed_process_data->y_iter,
 563         PROCESS_COLUMN, name,
 564         PID_COLUMN, pid,
 565         PPID_COLUMN, ppid,
 566         CPU_COLUMN, cpu,
 567         BIRTH_S_COLUMN, birth->tv_sec,
 568         BIRTH_NS_COLUMN, birth->tv_nsec,
 569         TRACE_COLUMN, trace_num,
 570         -1);
 571   //gtk_tree_view_set_model(GTK_TREE_VIEW(process_list->process_list_widget),
 572   //                        GTK_TREE_MODEL(process_list->list_store));
 573   //gtk_container_resize_children(GTK_CONTAINER(process_list->process_list_widget));
 574
 575   g_hash_table_insert(process_list->process_hash,
 576         (gpointer)Process_Info,
 577         (gpointer)hashed_process_data);
 578
 579   process_list->number_of_process++;
 580
 581   hashed_process_data->height = process_list->cell_height;
 582
 583   g_assert(hashed_process_data->height != 0);
 584
 585   *height = hashed_process_data->height * process_list->number_of_process;
 586
 587   hashed_process_data->pixmap =
 588         gdk_pixmap_new(drawing->drawing_area->window,
 589                        drawing->alloc_width,
 590                        hashed_process_data->height,
 591                        -1);
 592
 593   // Clear the image
 594   gdk_draw_rectangle (hashed_process_data->pixmap,
 595         drawing->drawing_area->style->black_gc,
 596         TRUE,
 597         0, 0,
 598         drawing->alloc_width,
 599         hashed_process_data->height);
 600
 601   update_index_to_pixmap(process_list);
 602
 603
 604   return 0;
 605 }
 606
 607 int processlist_remove( ProcessList *process_list,
 608       guint pid,
 609       guint cpu,
 610       LttTime *birth,
 611       guint trace_num)
 612 {
 613   ProcessInfo process_info;
 614   HashedProcessData *hashed_process_data;
 615   GtkTreeIter iter;
 616
 617   process_info.pid = pid;
 618   if(pid == 0)
 619     process_info.cpu = cpu;
 620   else
 621     process_info.cpu = 0;
 622   process_info.birth = *birth;
 623   process_info.trace_num = trace_num;
 624
 625
 626   hashed_process_data =
 627     (HashedProcessData*)g_hash_table_lookup(
 628           process_list->process_hash,
 629           &process_info);
 630   if(likely(hashed_process_data != NULL))
 631   {
 632     iter = hashed_process_data->y_iter;
 633
 634     gtk_list_store_remove (process_list->list_store, &iter);
 635
 636     g_hash_table_remove(process_list->process_hash,
 637         &process_info);
 638
 639     if(likely(process_list->current_hash_data != NULL)) {
 640       if(likely(hashed_process_data == process_list->current_hash_data[cpu])) {
 641         process_list->current_hash_data[cpu] = NULL;
 642       }
 643     }
 644
 645     gdk_pixmap_unref(hashed_process_data->pixmap);
 646
 647     update_index_to_pixmap(process_list);
 648
 649     process_list->number_of_process--;
 650
 651     return 0;
 652   } else {
 653     return 1;
 654   }
 655 }
 656
 657
 658 #if 0
 659 static inline guint get_cpu_number_from_name(GQuark name)
 660 {
 661   const gchar *string;
 662   char *begin;
 663   guint cpu;
 664
 665   string = g_quark_to_string(name);
 666
 667   begin = strrchr(string, '/');
 668   begin++;
 669
 670   g_assert(begin != '\0');
 671
 672   cpu = strtoul(begin, NULL, 10);
 673
 674   return cpu;
 675 }
 676 #endif //0