| 1 | /* This file is part of the Linux Trace Toolkit viewer |
| 2 | * Copyright (C) 2005 Peter Ho |
| 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 | |
| 20 | #include <math.h> |
| 21 | |
| 22 | #include <glib.h> |
| 23 | #include <gtk/gtk.h> |
| 24 | #include <gdk/gdk.h> |
| 25 | |
| 26 | #include <stdio.h> |
| 27 | #include <stdlib.h> |
| 28 | #include <string.h> |
| 29 | |
| 30 | #include <ltt/ltt.h> |
| 31 | #include <ltt/event.h> |
| 32 | #include <ltt/type.h> |
| 33 | #include <ltt/trace.h> |
| 34 | #include <ltt/facility.h> |
| 35 | #include <lttv/module.h> |
| 36 | #include <lttv/hook.h> |
| 37 | #include <lttv/tracecontext.h> |
| 38 | #include <lttv/state.h> |
| 39 | #include <lttv/filter.h> |
| 40 | #include <lttvwindow/lttvwindow.h> |
| 41 | #include <ltt/time.h> |
| 42 | |
| 43 | #include "hDiskPerformanceInsert.xpm" |
| 44 | |
| 45 | |
| 46 | #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format) |
| 47 | #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format) |
| 48 | #define NO_ITEMS 0 |
| 49 | |
| 50 | enum{ |
| 51 | DISKNAME_COLUMN, |
| 52 | BYTES_RD_COLUMN, |
| 53 | BYTES_RD_SEC_COLUMN, |
| 54 | NUM_RD_COLUMN, |
| 55 | BYTES_WR_COLUMN, |
| 56 | BYTES_WR_SEC_COLUMN, |
| 57 | NUM_WR_COLUMN, |
| 58 | N_COLUMNS |
| 59 | }; |
| 60 | enum operation_t { |
| 61 | LTTV_READ_OPERATION = 1, |
| 62 | LTTV_WRITE_OPERATION |
| 63 | }; |
| 64 | |
| 65 | typedef struct _DiskPerformanceData { |
| 66 | |
| 67 | Tab * tab; |
| 68 | LttvHooks * event_hooks; |
| 69 | LttvHooks * hooks_trace_after; |
| 70 | LttvHooks * hooks_trace_before; |
| 71 | TimeWindow time_window; // time window |
| 72 | |
| 73 | GtkWidget * scroll_win; |
| 74 | /* Model containing list data */ |
| 75 | GtkListStore *store_m; |
| 76 | GtkWidget *hbox_v; |
| 77 | /* Widget to display the data in a columned list */ |
| 78 | GtkWidget *tree_v; |
| 79 | /* Selection handler */ |
| 80 | GtkTreeSelection *select_c; |
| 81 | |
| 82 | GArray *disk_array; |
| 83 | |
| 84 | } DiskPerformanceData; |
| 85 | |
| 86 | |
| 87 | typedef struct _lttv_block { |
| 88 | guint major_number; |
| 89 | guint minor_number; |
| 90 | guint size; |
| 91 | } lttv_block; |
| 92 | |
| 93 | typedef struct _lttv_total_block { |
| 94 | char diskname[10]; |
| 95 | guint64 total_bytes_read; |
| 96 | guint num_read_operations; |
| 97 | guint64 total_bytes_written; |
| 98 | guint num_write_operations; |
| 99 | |
| 100 | } lttv_total_block; |
| 101 | |
| 102 | GSList *g_disk_data_list = NULL ; |
| 103 | |
| 104 | DiskPerformanceData *disk_performance_data(Tab *tab); |
| 105 | static void disk_destroy_walk(gpointer data, gpointer user_data); |
| 106 | static gboolean parse_event(void *hook_data, void *call_data); |
| 107 | static gboolean disk_show(void *hook_data, void *call_data); |
| 108 | static gboolean trace_header(void *hook_data, void *call_data); |
| 109 | static gboolean disk_update_time_window(void * hook_data, void * call_data); |
| 110 | static void tree_v_size_allocate_cb (GtkWidget *widget, GtkAllocation *alloc, gpointer data); |
| 111 | static void tree_v_size_request_cb (GtkWidget *widget, GtkRequisition *requisition, gpointer data); |
| 112 | static void tree_v_cursor_changed_cb (GtkWidget *widget, gpointer data); |
| 113 | static void tree_v_move_cursor_cb (GtkWidget *widget, GtkMovementStep arg1, gint arg2, gpointer data); |
| 114 | static void tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data); |
| 115 | static void request_event( DiskPerformanceData *disk_performance); |
| 116 | void gui_disperformance_free(DiskPerformanceData *event_viewer_data); |
| 117 | static void get_event_detail(LttEvent *e, LttField *f, GString * s, lttv_block* disk_data); |
| 118 | static char * major_minor_to_diskname( lttv_block* disk_data); |
| 119 | static void sum_data(char* diskname, guint size, enum operation_t opt, GArray *disk_array); |
| 120 | |
| 121 | GtkWidget *disk_performance(Tab * tab){ |
| 122 | |
| 123 | DiskPerformanceData* disk_data = disk_performance_data(tab); |
| 124 | if(disk_data) |
| 125 | return disk_data->hbox_v; |
| 126 | else |
| 127 | return NULL; |
| 128 | |
| 129 | } |
| 130 | |
| 131 | DiskPerformanceData *disk_performance_data(Tab *tab){ |
| 132 | |
| 133 | LttTime end; |
| 134 | GtkTreeViewColumn *column; |
| 135 | GtkCellRenderer *renderer; |
| 136 | DiskPerformanceData* disk_data = g_new(DiskPerformanceData,1) ; |
| 137 | |
| 138 | g_info("enter disk_performance_data \n"); |
| 139 | |
| 140 | disk_data->tab = tab; |
| 141 | disk_data->time_window = lttvwindow_get_time_window(tab); |
| 142 | |
| 143 | disk_data->disk_array = g_array_new(FALSE, FALSE, sizeof(lttv_total_block )); |
| 144 | |
| 145 | lttvwindow_register_time_window_notify(tab, |
| 146 | disk_update_time_window, |
| 147 | disk_data); |
| 148 | |
| 149 | disk_data->scroll_win = gtk_scrolled_window_new (NULL, NULL); |
| 150 | gtk_widget_show (disk_data->scroll_win); |
| 151 | gtk_scrolled_window_set_policy( |
| 152 | GTK_SCROLLED_WINDOW(disk_data->scroll_win), |
| 153 | GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC/*GTK_POLICY_NEVER*/); |
| 154 | |
| 155 | |
| 156 | /* Create a model for storing the data list */ |
| 157 | disk_data->store_m = gtk_list_store_new ( |
| 158 | N_COLUMNS, /* Total number of columns */ |
| 159 | G_TYPE_STRING, /* Diskname */ // to change from INT to string later |
| 160 | G_TYPE_INT64, /* Bytes read */ |
| 161 | G_TYPE_INT64, /* Bytes read/sec */ |
| 162 | G_TYPE_INT, |
| 163 | G_TYPE_INT64, /* bytes written */ |
| 164 | G_TYPE_INT64, /* bytes written/sec */ |
| 165 | G_TYPE_INT |
| 166 | ); |
| 167 | |
| 168 | disk_data->tree_v = gtk_tree_view_new_with_model (GTK_TREE_MODEL (disk_data->store_m)); |
| 169 | |
| 170 | g_signal_connect (G_OBJECT (disk_data->tree_v), "size-allocate", |
| 171 | G_CALLBACK (tree_v_size_allocate_cb), |
| 172 | disk_data); |
| 173 | g_signal_connect (G_OBJECT (disk_data->tree_v), "size-request", |
| 174 | G_CALLBACK (tree_v_size_request_cb), |
| 175 | disk_data); |
| 176 | g_signal_connect (G_OBJECT (disk_data->tree_v), "cursor-changed", |
| 177 | G_CALLBACK (tree_v_cursor_changed_cb), |
| 178 | disk_data); |
| 179 | g_signal_connect (G_OBJECT (disk_data->tree_v), "move-cursor", |
| 180 | G_CALLBACK (tree_v_move_cursor_cb), |
| 181 | disk_data); |
| 182 | |
| 183 | g_object_unref (G_OBJECT (disk_data->store_m)); |
| 184 | |
| 185 | renderer = gtk_cell_renderer_text_new (); |
| 186 | column = gtk_tree_view_column_new_with_attributes ("DiskName", |
| 187 | renderer, |
| 188 | "text", DISKNAME_COLUMN, |
| 189 | NULL); |
| 190 | gtk_tree_view_column_set_alignment (column, 0.0); |
| 191 | gtk_tree_view_column_set_fixed_width (column, 45); |
| 192 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 193 | |
| 194 | renderer = gtk_cell_renderer_text_new (); |
| 195 | column = gtk_tree_view_column_new_with_attributes ("BytesRead", |
| 196 | renderer, |
| 197 | "text", BYTES_RD_COLUMN, |
| 198 | NULL); |
| 199 | gtk_tree_view_column_set_alignment (column, 0.0); |
| 200 | gtk_tree_view_column_set_fixed_width (column, 220); |
| 201 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 202 | |
| 203 | renderer = gtk_cell_renderer_text_new (); |
| 204 | column = gtk_tree_view_column_new_with_attributes ("BytesRead/sec", |
| 205 | renderer, |
| 206 | "text", BYTES_RD_SEC_COLUMN, |
| 207 | NULL); |
| 208 | gtk_tree_view_column_set_alignment (column, 1.0); |
| 209 | gtk_tree_view_column_set_fixed_width (column, 220); |
| 210 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 211 | |
| 212 | renderer = gtk_cell_renderer_text_new (); |
| 213 | column = gtk_tree_view_column_new_with_attributes ("NumReadOperations", |
| 214 | renderer, |
| 215 | "text",NUM_RD_COLUMN, |
| 216 | NULL); |
| 217 | gtk_tree_view_column_set_alignment (column, 1.0); |
| 218 | gtk_tree_view_column_set_fixed_width (column, 220); |
| 219 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 220 | |
| 221 | renderer = gtk_cell_renderer_text_new (); |
| 222 | column = gtk_tree_view_column_new_with_attributes ("BytesWritten", |
| 223 | renderer, |
| 224 | "text", BYTES_WR_COLUMN, |
| 225 | NULL); |
| 226 | gtk_tree_view_column_set_alignment (column, 0.0); |
| 227 | gtk_tree_view_column_set_fixed_width (column, 145); |
| 228 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 229 | |
| 230 | renderer = gtk_cell_renderer_text_new (); |
| 231 | column = gtk_tree_view_column_new_with_attributes ("BytesWritten/sec", |
| 232 | renderer, |
| 233 | "text", BYTES_WR_SEC_COLUMN, |
| 234 | NULL); |
| 235 | gtk_tree_view_column_set_alignment (column, 1.0); |
| 236 | gtk_tree_view_column_set_fixed_width (column, 220); |
| 237 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 238 | |
| 239 | renderer = gtk_cell_renderer_text_new (); |
| 240 | column = gtk_tree_view_column_new_with_attributes ("NumWriteOperations", |
| 241 | renderer, |
| 242 | "text",NUM_WR_COLUMN, |
| 243 | NULL); |
| 244 | gtk_tree_view_column_set_alignment (column, 0.0); |
| 245 | gtk_tree_view_column_set_fixed_width (column, 145); |
| 246 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
| 247 | |
| 248 | disk_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (disk_data->tree_v)); |
| 249 | gtk_tree_selection_set_mode (disk_data->select_c, GTK_SELECTION_SINGLE); |
| 250 | g_signal_connect (G_OBJECT (disk_data->select_c), "changed", |
| 251 | G_CALLBACK (tree_selection_changed_cb), |
| 252 | disk_data); |
| 253 | |
| 254 | gtk_container_add (GTK_CONTAINER (disk_data->scroll_win), disk_data->tree_v); |
| 255 | |
| 256 | disk_data->hbox_v = gtk_hbox_new(0, 0); |
| 257 | gtk_box_pack_start(GTK_BOX(disk_data->hbox_v), disk_data->scroll_win, TRUE, TRUE, 0); |
| 258 | |
| 259 | gtk_widget_show(disk_data->hbox_v); |
| 260 | gtk_widget_show(disk_data->tree_v); |
| 261 | |
| 262 | |
| 263 | g_disk_data_list = g_slist_append(g_disk_data_list, disk_data); |
| 264 | g_object_set_data_full(G_OBJECT(disk_data->hbox_v), |
| 265 | "disk_data", |
| 266 | disk_data, |
| 267 | (GDestroyNotify)gui_disperformance_free); |
| 268 | |
| 269 | request_event(disk_data); |
| 270 | return disk_data; |
| 271 | } |
| 272 | |
| 273 | |
| 274 | static gboolean disk_show(void *hook_data, void *call_data){ |
| 275 | |
| 276 | guint i; |
| 277 | lttv_total_block element; |
| 278 | GtkTreeIter iter; |
| 279 | LttTime time_interval; |
| 280 | guint64 time_interval_64; |
| 281 | guint64 temp_variable; |
| 282 | guint64 bytes_read_per_sec, bytes_written_per_sec; |
| 283 | g_info(" diskperformance: disk_show() \n"); |
| 284 | DiskPerformanceData *disk_performance = (DiskPerformanceData *)hook_data; |
| 285 | GArray *disk_array = disk_performance->disk_array; |
| 286 | time_interval = ltt_time_sub(disk_performance->time_window.end_time, disk_performance->time_window.start_time); |
| 287 | |
| 288 | time_interval_64 = time_interval.tv_sec; |
| 289 | time_interval_64 *= NANOSECONDS_PER_SECOND; |
| 290 | time_interval_64 += time_interval.tv_nsec; |
| 291 | gtk_list_store_clear(disk_performance->store_m); |
| 292 | for(i = 0; i < disk_array->len; i++){ |
| 293 | |
| 294 | element = g_array_index(disk_array,lttv_total_block,i); |
| 295 | temp_variable = element.total_bytes_read * NANOSECONDS_PER_SECOND; |
| 296 | bytes_read_per_sec = (guint64) temp_variable / time_interval_64; |
| 297 | |
| 298 | temp_variable = element.total_bytes_written * NANOSECONDS_PER_SECOND; |
| 299 | bytes_written_per_sec = (guint64) temp_variable / time_interval_64; |
| 300 | |
| 301 | gtk_list_store_append (disk_performance->store_m, &iter); |
| 302 | gtk_list_store_set (disk_performance->store_m, &iter, |
| 303 | DISKNAME_COLUMN, element.diskname, |
| 304 | BYTES_RD_COLUMN, element.total_bytes_read, |
| 305 | BYTES_RD_SEC_COLUMN,bytes_read_per_sec, |
| 306 | NUM_RD_COLUMN, element.num_read_operations, |
| 307 | BYTES_WR_COLUMN, element.total_bytes_written, |
| 308 | BYTES_WR_SEC_COLUMN, bytes_written_per_sec, |
| 309 | NUM_WR_COLUMN, element.num_write_operations, |
| 310 | -1); |
| 311 | |
| 312 | } |
| 313 | if(disk_performance->disk_array->len) |
| 314 | g_array_remove_range (disk_performance->disk_array,0,disk_performance->disk_array->len); |
| 315 | return FALSE; |
| 316 | } |
| 317 | |
| 318 | static gboolean trace_header(void *hook_data, void *call_data){ |
| 319 | return FALSE; |
| 320 | } |
| 321 | |
| 322 | void request_event(DiskPerformanceData *disk_performance){ |
| 323 | |
| 324 | disk_performance->event_hooks = lttv_hooks_new(); |
| 325 | lttv_hooks_add(disk_performance->event_hooks, parse_event, disk_performance, LTTV_PRIO_DEFAULT); |
| 326 | |
| 327 | disk_performance->hooks_trace_after = lttv_hooks_new(); |
| 328 | lttv_hooks_add(disk_performance->hooks_trace_after, disk_show, disk_performance, LTTV_PRIO_DEFAULT); |
| 329 | |
| 330 | disk_performance->hooks_trace_before = lttv_hooks_new(); |
| 331 | lttv_hooks_add(disk_performance->hooks_trace_before, trace_header, disk_performance, LTTV_PRIO_DEFAULT); |
| 332 | |
| 333 | EventsRequest *events_request = g_new(EventsRequest, 1); |
| 334 | events_request->owner = disk_performance; |
| 335 | events_request->viewer_data = disk_performance; |
| 336 | events_request->servicing = FALSE; |
| 337 | events_request->start_time = disk_performance->time_window.start_time; |
| 338 | events_request->start_position = NULL; |
| 339 | events_request->stop_flag = FALSE; |
| 340 | events_request->end_time = disk_performance->time_window.end_time; |
| 341 | events_request->num_events = G_MAXUINT; |
| 342 | events_request->end_position = NULL; |
| 343 | events_request->trace = 0; |
| 344 | events_request->hooks = NULL; |
| 345 | events_request->before_chunk_traceset = NULL; |
| 346 | events_request->before_chunk_trace = disk_performance->hooks_trace_before; |
| 347 | events_request->before_chunk_tracefile= NULL; |
| 348 | events_request->event = disk_performance->event_hooks; |
| 349 | events_request->event_by_id = NULL; |
| 350 | events_request->after_chunk_tracefile = NULL; |
| 351 | events_request->after_chunk_trace = NULL; |
| 352 | events_request->after_chunk_traceset = NULL; |
| 353 | events_request->before_request = NULL; |
| 354 | events_request->after_request = disk_performance->hooks_trace_after; |
| 355 | |
| 356 | lttvwindow_events_request(disk_performance->tab, events_request); |
| 357 | |
| 358 | } |
| 359 | |
| 360 | static gboolean disk_update_time_window(void * hook_data, void * call_data){ |
| 361 | |
| 362 | DiskPerformanceData *disk_performance = (DiskPerformanceData *) hook_data; |
| 363 | const TimeWindowNotifyData *time_window_nofify_data = ((const TimeWindowNotifyData *)call_data); |
| 364 | disk_performance->time_window = *time_window_nofify_data->new_time_window; |
| 365 | /* |
| 366 | printf("end_time: %ld.%ld\n", disk_performance->time_window.end_time.tv_sec,disk_performance->time_window.end_time.tv_nsec); |
| 367 | */ |
| 368 | Tab *tab = disk_performance->tab; |
| 369 | lttvwindow_events_request_remove_all(tab, disk_performance); |
| 370 | request_event( disk_performance); |
| 371 | |
| 372 | |
| 373 | return FALSE; |
| 374 | } |
| 375 | |
| 376 | void tree_v_size_allocate_cb (GtkWidget *widget, GtkAllocation *alloc, gpointer data){ |
| 377 | g_info("enter tree_v_size_allocate_cb\n"); |
| 378 | } |
| 379 | |
| 380 | void tree_v_size_request_cb (GtkWidget *widget, GtkRequisition *requisition, gpointer data){ |
| 381 | |
| 382 | } |
| 383 | |
| 384 | static void tree_v_cursor_changed_cb (GtkWidget *widget, gpointer data){ |
| 385 | |
| 386 | } |
| 387 | |
| 388 | static void tree_v_move_cursor_cb (GtkWidget *widget, GtkMovementStep arg1, gint arg2, gpointer data){ |
| 389 | } |
| 390 | static void tree_selection_changed_cb (GtkTreeSelection *selection, gpointer data){ |
| 391 | |
| 392 | } |
| 393 | void gui_disperformance_free(DiskPerformanceData *eventdata){ |
| 394 | Tab *tab = eventdata->tab; |
| 395 | g_info("disperformance.c : gui_disperformance_free, %p", eventdata); |
| 396 | g_info("%p, %p", eventdata, tab); |
| 397 | if(tab != NULL) |
| 398 | { |
| 399 | g_array_free (eventdata->disk_array, TRUE); |
| 400 | |
| 401 | lttvwindow_unregister_time_window_notify(tab, |
| 402 | disk_update_time_window, |
| 403 | eventdata); |
| 404 | |
| 405 | lttvwindow_events_request_remove_all(eventdata->tab, |
| 406 | eventdata); |
| 407 | g_disk_data_list = g_slist_remove(g_disk_data_list, eventdata); |
| 408 | } |
| 409 | g_free(eventdata); |
| 410 | g_info("disperformance.c : gui_disperformance_free end, %p", eventdata); |
| 411 | } |
| 412 | |
| 413 | |
| 414 | static char * major_minor_to_diskname( lttv_block* disk_data){ |
| 415 | if (disk_data->major_number == 3 && disk_data->minor_number == 0) |
| 416 | return "hda"; |
| 417 | if (disk_data->major_number == 4 && disk_data->minor_number == 0) |
| 418 | return "hdb"; |
| 419 | } |
| 420 | |
| 421 | |
| 422 | static void sum_data(char* diskname, guint size, enum operation_t operation, GArray *disk_array){ |
| 423 | |
| 424 | lttv_total_block data; |
| 425 | lttv_total_block *element; |
| 426 | guint i; |
| 427 | gboolean notFound = FALSE; |
| 428 | |
| 429 | memset ((void*)&data, 0,sizeof(lttv_total_block)); |
| 430 | |
| 431 | if(disk_array->len == NO_ITEMS){ |
| 432 | strcpy(data.diskname, diskname); |
| 433 | if(operation == LTTV_READ_OPERATION){ |
| 434 | data.total_bytes_read = size; |
| 435 | data.num_read_operations++; |
| 436 | } |
| 437 | else{ |
| 438 | data.total_bytes_written = size; |
| 439 | data.num_write_operations ++; |
| 440 | } |
| 441 | g_array_append_val (disk_array, data); |
| 442 | } |
| 443 | else{ |
| 444 | for(i = 0; i < disk_array->len; i++){ |
| 445 | element = &g_array_index(disk_array,lttv_total_block,i); |
| 446 | if(strcmp(element->diskname,diskname) == 0){ |
| 447 | if(operation == LTTV_READ_OPERATION){ |
| 448 | element->num_read_operations++; |
| 449 | element->total_bytes_read += size; |
| 450 | } |
| 451 | else{ |
| 452 | element->num_write_operations ++; |
| 453 | element->total_bytes_written += size; |
| 454 | } |
| 455 | notFound = TRUE; |
| 456 | } |
| 457 | } |
| 458 | if(!notFound){ |
| 459 | strcpy(data.diskname, diskname); |
| 460 | if(operation == LTTV_READ_OPERATION){ |
| 461 | data.total_bytes_read = size; |
| 462 | data.num_read_operations ++; |
| 463 | } |
| 464 | else{ |
| 465 | data.total_bytes_written = size; |
| 466 | data.num_write_operations ++; |
| 467 | } |
| 468 | g_array_append_val (disk_array, data); |
| 469 | } |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | static void get_event_detail(LttEvent *e, LttField *f, GString * s, lttv_block* disk_data){ |
| 474 | LttType *type; |
| 475 | LttField *element; |
| 476 | //char *name; |
| 477 | GQuark name; |
| 478 | int nb, i; |
| 479 | static int count; |
| 480 | type = ltt_field_type(f); |
| 481 | switch(ltt_type_class(type)) { |
| 482 | case LTT_INT: |
| 483 | g_string_append_printf(s, " %ld", ltt_event_get_long_int(e,f)); |
| 484 | break; |
| 485 | |
| 486 | case LTT_UINT: |
| 487 | g_string_append_printf(s, " %lu", ltt_event_get_long_unsigned(e,f)); |
| 488 | break; |
| 489 | |
| 490 | case LTT_FLOAT: |
| 491 | g_string_append_printf(s, " %g", ltt_event_get_double(e,f)); |
| 492 | break; |
| 493 | |
| 494 | case LTT_STRING: |
| 495 | g_string_append_printf(s, " \"%s\"", ltt_event_get_string(e,f)); |
| 496 | break; |
| 497 | |
| 498 | case LTT_ENUM: |
| 499 | g_string_append_printf(s, " %s", ltt_enum_string_get(type, |
| 500 | ltt_event_get_unsigned(e,f)-1)); |
| 501 | break; |
| 502 | |
| 503 | case LTT_ARRAY: |
| 504 | case LTT_SEQUENCE: |
| 505 | g_string_append_printf(s, " {"); |
| 506 | nb = ltt_event_field_element_number(e,f); |
| 507 | element = ltt_field_element(f); |
| 508 | for(i = 0 ; i < nb ; i++) { |
| 509 | ltt_event_field_element_select(e,f,i); |
| 510 | get_event_detail(e, element, s, disk_data); |
| 511 | } |
| 512 | g_string_append_printf(s, " }"); |
| 513 | break; |
| 514 | |
| 515 | case LTT_STRUCT: |
| 516 | g_string_append_printf(s, " {"); |
| 517 | nb = ltt_type_member_number(type); |
| 518 | for(i = 0 ; i < nb ; i++) { |
| 519 | element = ltt_field_member(f,i); |
| 520 | ltt_type_member_type(type, i, &name); |
| 521 | g_string_append_printf(s, " %s = ", name); |
| 522 | if(i== 0) |
| 523 | disk_data->major_number = ltt_event_get_long_unsigned(e, element); |
| 524 | if(i== 1) |
| 525 | disk_data->minor_number = ltt_event_get_long_unsigned(e, element); |
| 526 | if(i==2) |
| 527 | disk_data->size = ltt_event_get_long_unsigned(e, element); |
| 528 | } |
| 529 | g_string_append_printf(s, " }"); |
| 530 | break; |
| 531 | |
| 532 | case LTT_UNION: |
| 533 | g_string_append_printf(s, " {"); |
| 534 | nb = ltt_type_member_number(type); |
| 535 | for(i = 0 ; i < nb ; i++) { |
| 536 | element = ltt_field_member(f,i); |
| 537 | ltt_type_member_type(type, i, &name); |
| 538 | g_string_append_printf(s, " %s = ", name); |
| 539 | get_event_detail(e, element, s, disk_data); |
| 540 | } |
| 541 | g_string_append_printf(s, " }"); |
| 542 | break; |
| 543 | |
| 544 | } |
| 545 | |
| 546 | } |
| 547 | |
| 548 | |
| 549 | gboolean parse_event(void *hook_data, void *call_data){ |
| 550 | |
| 551 | static LttTime time_entry, previous_time, event_time; |
| 552 | LttEvent *e; |
| 553 | LttField *field; |
| 554 | LttEventType *event_type; |
| 555 | gint i; |
| 556 | unsigned cpu_id; |
| 557 | lttv_block block_read, block_write; |
| 558 | char *diskname; |
| 559 | |
| 560 | gboolean notFound = FALSE; |
| 561 | DiskPerformanceData * disk_performance = (DiskPerformanceData *)hook_data; |
| 562 | GArray *disk_array = disk_performance->disk_array; // pho |
| 563 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
| 564 | LttvTracefileState *tfs = (LttvTracefileState *)call_data; |
| 565 | |
| 566 | //e = tfc->e; |
| 567 | e = ltt_tracefile_get_event(tfc->tf); |
| 568 | previous_time = event_time; |
| 569 | field = ltt_event_field(e); |
| 570 | event_time = ltt_event_time(e); |
| 571 | event_type = ltt_event_eventtype(e); |
| 572 | cpu_id = ltt_event_cpu_id(e); |
| 573 | GString * detail_event = g_string_new(""); |
| 574 | |
| 575 | if ((ltt_time_compare(event_time,disk_performance->time_window.start_time) == TRUE) && |
| 576 | (ltt_time_compare(disk_performance->time_window.end_time,event_time) == TRUE)){ |
| 577 | if (strcmp( g_quark_to_string(ltt_eventtype_name(event_type)),"block_read") == 0) { |
| 578 | get_event_detail(e, field, detail_event, &block_read); |
| 579 | diskname = major_minor_to_diskname(&block_read); |
| 580 | sum_data(diskname, block_read.size,LTTV_READ_OPERATION, disk_array); |
| 581 | |
| 582 | } |
| 583 | if (strcmp( g_quark_to_string(ltt_eventtype_name(event_type)),"block_write") == 0) { |
| 584 | get_event_detail(e, field, detail_event, &block_write); |
| 585 | diskname = major_minor_to_diskname(&block_write); |
| 586 | sum_data(diskname, block_write.size,LTTV_WRITE_OPERATION, disk_array); |
| 587 | } |
| 588 | |
| 589 | } |
| 590 | g_string_free(detail_event, TRUE); |
| 591 | return FALSE; |
| 592 | } |
| 593 | |
| 594 | |
| 595 | void disk_destructor_full(DiskPerformanceData *disk_data) |
| 596 | { |
| 597 | |
| 598 | if(GTK_IS_WIDGET(disk_data->hbox_v)) |
| 599 | gtk_widget_destroy(disk_data->hbox_v); |
| 600 | |
| 601 | } |
| 602 | |
| 603 | static void disk_destroy_walk(gpointer data, gpointer user_data) |
| 604 | { |
| 605 | g_info("Walk destroy GUI disk performance Viewer"); |
| 606 | disk_destructor_full((DiskPerformanceData*)data); |
| 607 | } |
| 608 | |
| 609 | static void init() |
| 610 | { |
| 611 | |
| 612 | g_info("Init diskPerformance.c"); |
| 613 | |
| 614 | lttvwindow_register_constructor("diskperformance", |
| 615 | "/", |
| 616 | "Insert Disk Performance", |
| 617 | hDiskPerformanceInsert_xpm, |
| 618 | "Insert Disk Performance", |
| 619 | disk_performance); |
| 620 | |
| 621 | } |
| 622 | |
| 623 | |
| 624 | static void destroy() |
| 625 | { |
| 626 | g_info("Destroy diskPerformance"); |
| 627 | g_slist_foreach(g_disk_data_list, disk_destroy_walk, NULL ); |
| 628 | g_slist_free(g_disk_data_list); |
| 629 | |
| 630 | lttvwindow_unregister_constructor(disk_performance); |
| 631 | |
| 632 | } |
| 633 | |
| 634 | |
| 635 | LTTV_MODULE("diskperformance", "disk info view", \ |
| 636 | "Produce disk I/O performance", \ |
| 637 | init, destroy, "lttvwindow") |
| 638 | |