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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> |
a4f37ccd |
25 | #include <stdio.h> |
26 | #include <stdlib.h> |
27 | #include <string.h> |
a4f37ccd |
28 | #include <ltt/ltt.h> |
29 | #include <ltt/event.h> |
30 | #include <ltt/type.h> |
31 | #include <ltt/trace.h> |
32 | #include <ltt/facility.h> |
33 | #include <lttv/module.h> |
34 | #include <lttv/hook.h> |
35 | #include <lttv/tracecontext.h> |
36 | #include <lttv/state.h> |
37 | #include <lttv/filter.h> |
38 | #include <lttvwindow/lttvwindow.h> |
39 | #include <ltt/time.h> |
40 | |
41 | #include "hDiskPerformanceInsert.xpm" |
42 | |
43 | |
44 | #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format) |
45 | #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format) |
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46 | #define TRACE_NUMBER 0 |
a4f37ccd |
47 | #define NO_ITEMS 0 |
48 | |
49 | enum{ |
50 | DISKNAME_COLUMN, |
51 | BYTES_RD_COLUMN, |
52 | BYTES_RD_SEC_COLUMN, |
53 | NUM_RD_COLUMN, |
54 | BYTES_WR_COLUMN, |
55 | BYTES_WR_SEC_COLUMN, |
56 | NUM_WR_COLUMN, |
57 | N_COLUMNS |
58 | }; |
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59 | |
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60 | enum operation_t { |
61 | LTTV_READ_OPERATION = 1, |
62 | LTTV_WRITE_OPERATION |
63 | }; |
64 | |
65 | typedef struct _DiskPerformanceData { |
66 | |
67 | Tab * tab; |
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68 | |
a4f37ccd |
69 | LttvHooks * hooks_trace_after; |
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70 | |
a4f37ccd |
71 | LttvHooks * hooks_trace_before; |
4ea3dbbf |
72 | /* time window */ |
73 | TimeWindow time_window; |
a4f37ccd |
74 | |
75 | GtkWidget * scroll_win; |
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76 | |
a4f37ccd |
77 | /* Model containing list data */ |
78 | GtkListStore *store_m; |
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79 | |
a4f37ccd |
80 | GtkWidget *hbox_v; |
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81 | |
a4f37ccd |
82 | /* Widget to display the data in a columned list */ |
83 | GtkWidget *tree_v; |
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84 | |
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85 | /* Selection handler */ |
86 | GtkTreeSelection *select_c; |
87 | |
88 | GArray *disk_array; |
89 | |
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90 | LttvHooksById * event_by_id_hooks; |
91 | |
a4f37ccd |
92 | } DiskPerformanceData; |
93 | |
94 | |
95 | typedef struct _lttv_block { |
96 | guint major_number; |
97 | guint minor_number; |
98 | guint size; |
99 | } lttv_block; |
100 | |
101 | typedef struct _lttv_total_block { |
102 | char diskname[10]; |
103 | guint64 total_bytes_read; |
104 | guint num_read_operations; |
105 | guint64 total_bytes_written; |
106 | guint num_write_operations; |
107 | |
108 | } lttv_total_block; |
109 | |
110 | GSList *g_disk_data_list = NULL ; |
111 | |
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112 | |
113 | |
114 | /* facility */ |
115 | GQuark LTT_FACILITY_BLOCK; |
116 | |
117 | /* events */ |
118 | GQuark LTT_EVENT_BLOCK_READ; |
119 | GQuark LTT_EVENT_BLOCK_WRITE; |
120 | |
121 | static DiskPerformanceData *disk_performance_data(Tab *tab); |
a4f37ccd |
122 | static void disk_destroy_walk(gpointer data, gpointer user_data); |
a4f37ccd |
123 | static gboolean disk_show(void *hook_data, void *call_data); |
124 | static gboolean trace_header(void *hook_data, void *call_data); |
125 | static gboolean disk_update_time_window(void * hook_data, void * call_data); |
a4f37ccd |
126 | static void request_event( DiskPerformanceData *disk_performance); |
127 | void gui_disperformance_free(DiskPerformanceData *event_viewer_data); |
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128 | static void get_event_detail(LttEvent *e, lttv_block* disk_data); |
a4f37ccd |
129 | static char * major_minor_to_diskname( lttv_block* disk_data); |
130 | static void sum_data(char* diskname, guint size, enum operation_t opt, GArray *disk_array); |
4ea3dbbf |
131 | static GtkWidget *disk_performance(Tab * tab); |
132 | |
133 | static gboolean block_read_callback(void *hook_data, void *call_data); |
134 | |
135 | static gboolean block_write_callback(void *hook_data, void *call_data); |
136 | |
137 | |
138 | static gboolean disk_show(void *hook_data, void *call_data){ |
139 | |
140 | guint i; |
141 | lttv_total_block element; |
142 | GtkTreeIter iter; |
143 | LttTime time_interval; |
144 | guint64 time_interval_64; |
145 | guint64 temp_variable; |
146 | guint64 bytes_read_per_sec, bytes_written_per_sec; |
147 | g_info(" diskperformance: disk_show() \n"); |
148 | DiskPerformanceData *disk_performance = (DiskPerformanceData *)hook_data; |
149 | GArray *disk_array = disk_performance->disk_array; |
150 | time_interval = ltt_time_sub(disk_performance->time_window.end_time, disk_performance->time_window.start_time); |
151 | |
152 | time_interval_64 = time_interval.tv_sec; |
153 | time_interval_64 *= NANOSECONDS_PER_SECOND; |
154 | time_interval_64 += time_interval.tv_nsec; |
155 | gtk_list_store_clear(disk_performance->store_m); |
156 | for(i = 0; i < disk_array->len; i++){ |
157 | |
158 | element = g_array_index(disk_array,lttv_total_block,i); |
159 | temp_variable = element.total_bytes_read * NANOSECONDS_PER_SECOND; |
160 | bytes_read_per_sec = (guint64) temp_variable / time_interval_64; |
161 | |
162 | temp_variable = element.total_bytes_written * NANOSECONDS_PER_SECOND; |
163 | bytes_written_per_sec = (guint64) temp_variable / time_interval_64; |
164 | |
165 | gtk_list_store_append (disk_performance->store_m, &iter); |
166 | gtk_list_store_set (disk_performance->store_m, &iter, |
167 | DISKNAME_COLUMN, element.diskname, |
168 | BYTES_RD_COLUMN, element.total_bytes_read, |
169 | BYTES_RD_SEC_COLUMN,bytes_read_per_sec, |
170 | NUM_RD_COLUMN, element.num_read_operations, |
171 | BYTES_WR_COLUMN, element.total_bytes_written, |
172 | BYTES_WR_SEC_COLUMN, bytes_written_per_sec, |
173 | NUM_WR_COLUMN, element.num_write_operations, |
174 | -1); |
175 | |
176 | } |
177 | if(disk_performance->disk_array->len) |
178 | g_array_remove_range (disk_performance->disk_array,0,disk_performance->disk_array->len); |
179 | return FALSE; |
180 | } |
181 | |
182 | static gboolean trace_header(void *hook_data, void *call_data){ |
183 | return FALSE; |
184 | } |
185 | |
186 | |
187 | static gboolean disk_update_time_window(void * hook_data, void * call_data){ |
188 | |
189 | DiskPerformanceData *disk_performance = (DiskPerformanceData *) hook_data; |
190 | const TimeWindowNotifyData *time_window_nofify_data = ((const TimeWindowNotifyData *)call_data); |
191 | disk_performance->time_window = *time_window_nofify_data->new_time_window; |
192 | Tab *tab = disk_performance->tab; |
193 | lttvwindow_events_request_remove_all(tab, disk_performance); |
194 | request_event( disk_performance); |
195 | |
196 | |
197 | return FALSE; |
198 | } |
199 | |
200 | void gui_disperformance_free(DiskPerformanceData *eventdata){ |
201 | Tab *tab = eventdata->tab; |
202 | g_info("disperformance.c : gui_disperformance_free, %p", eventdata); |
203 | g_info("%p, %p", eventdata, tab); |
204 | if(tab != NULL) |
205 | { |
206 | g_array_free (eventdata->disk_array, TRUE); |
207 | |
208 | lttvwindow_unregister_time_window_notify(tab, |
209 | disk_update_time_window, |
210 | eventdata); |
211 | |
212 | lttvwindow_events_request_remove_all(eventdata->tab, |
213 | eventdata); |
214 | g_disk_data_list = g_slist_remove(g_disk_data_list, eventdata); |
215 | } |
216 | g_free(eventdata); |
217 | g_info("disperformance.c : gui_disperformance_free end, %p", eventdata); |
218 | } |
219 | |
220 | |
221 | |
222 | |
223 | |
224 | |
225 | void disk_destructor_full(DiskPerformanceData *disk_data) |
226 | { |
227 | |
228 | if(GTK_IS_WIDGET(disk_data->hbox_v)) |
229 | gtk_widget_destroy(disk_data->hbox_v); |
230 | |
231 | } |
232 | |
233 | static void disk_destroy_walk(gpointer data, gpointer user_data) |
234 | { |
235 | g_info("Walk destroy GUI disk performance Viewer"); |
236 | disk_destructor_full((DiskPerformanceData*)data); |
237 | } |
238 | /** |
239 | * init function |
240 | * |
241 | * |
242 | * This is the entry point of the viewer. |
243 | * |
244 | */ |
245 | static void init() |
246 | { |
247 | |
248 | g_info("Init diskPerformance.c"); |
249 | |
250 | LTT_FACILITY_BLOCK = g_quark_from_string("block"); |
251 | LTT_EVENT_BLOCK_READ = g_quark_from_string("read"); |
252 | LTT_EVENT_BLOCK_WRITE = g_quark_from_string("write"); |
253 | |
254 | lttvwindow_register_constructor("diskperformance", |
255 | "/", |
256 | "Insert Disk Performance", |
257 | hDiskPerformanceInsert_xpm, |
258 | "Insert Disk Performance", |
259 | disk_performance); |
260 | } |
a4f37ccd |
261 | |
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262 | /** |
263 | * Constructor hook |
264 | * |
265 | */ |
266 | GtkWidget *disk_performance(Tab * tab) |
267 | { |
a4f37ccd |
268 | |
269 | DiskPerformanceData* disk_data = disk_performance_data(tab); |
270 | if(disk_data) |
271 | return disk_data->hbox_v; |
272 | else |
273 | return NULL; |
a4f37ccd |
274 | } |
275 | |
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276 | /** |
277 | * This function initializes the Event Viewer functionnality through the |
278 | * GTK API. |
279 | */ |
280 | DiskPerformanceData *disk_performance_data(Tab *tab) |
281 | { |
a4f37ccd |
282 | LttTime end; |
283 | GtkTreeViewColumn *column; |
284 | GtkCellRenderer *renderer; |
285 | DiskPerformanceData* disk_data = g_new(DiskPerformanceData,1) ; |
286 | |
287 | g_info("enter disk_performance_data \n"); |
288 | |
289 | disk_data->tab = tab; |
290 | disk_data->time_window = lttvwindow_get_time_window(tab); |
291 | |
292 | disk_data->disk_array = g_array_new(FALSE, FALSE, sizeof(lttv_total_block )); |
293 | |
294 | lttvwindow_register_time_window_notify(tab, |
295 | disk_update_time_window, |
296 | disk_data); |
297 | |
298 | disk_data->scroll_win = gtk_scrolled_window_new (NULL, NULL); |
299 | gtk_widget_show (disk_data->scroll_win); |
300 | gtk_scrolled_window_set_policy( |
301 | GTK_SCROLLED_WINDOW(disk_data->scroll_win), |
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302 | GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); |
303 | |
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304 | /* Create a model for storing the data list */ |
305 | disk_data->store_m = gtk_list_store_new ( |
306 | N_COLUMNS, /* Total number of columns */ |
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307 | G_TYPE_STRING, /* Diskname */ |
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308 | G_TYPE_INT64, /* Bytes read */ |
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309 | G_TYPE_INT64, /* Bytes read/sec */ |
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310 | G_TYPE_INT, |
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311 | G_TYPE_INT64, /* bytes written */ |
312 | G_TYPE_INT64, /* bytes written/sec */ |
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313 | G_TYPE_INT |
314 | ); |
315 | |
316 | disk_data->tree_v = gtk_tree_view_new_with_model (GTK_TREE_MODEL (disk_data->store_m)); |
4ea3dbbf |
317 | |
a4f37ccd |
318 | g_object_unref (G_OBJECT (disk_data->store_m)); |
319 | |
320 | renderer = gtk_cell_renderer_text_new (); |
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321 | |
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322 | column = gtk_tree_view_column_new_with_attributes ("DiskName", |
323 | renderer, |
324 | "text", DISKNAME_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 (GTK_TREE_VIEW (disk_data->tree_v), column); |
329 | |
330 | renderer = gtk_cell_renderer_text_new (); |
331 | column = gtk_tree_view_column_new_with_attributes ("BytesRead", |
332 | renderer, |
333 | "text", BYTES_RD_COLUMN, |
334 | NULL); |
335 | gtk_tree_view_column_set_alignment (column, 0.0); |
336 | gtk_tree_view_column_set_fixed_width (column, 220); |
337 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
338 | |
339 | renderer = gtk_cell_renderer_text_new (); |
340 | column = gtk_tree_view_column_new_with_attributes ("BytesRead/sec", |
341 | renderer, |
342 | "text", BYTES_RD_SEC_COLUMN, |
343 | NULL); |
344 | gtk_tree_view_column_set_alignment (column, 1.0); |
345 | gtk_tree_view_column_set_fixed_width (column, 220); |
346 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
347 | |
348 | renderer = gtk_cell_renderer_text_new (); |
349 | column = gtk_tree_view_column_new_with_attributes ("NumReadOperations", |
350 | renderer, |
351 | "text",NUM_RD_COLUMN, |
352 | NULL); |
353 | gtk_tree_view_column_set_alignment (column, 1.0); |
354 | gtk_tree_view_column_set_fixed_width (column, 220); |
355 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
356 | |
357 | renderer = gtk_cell_renderer_text_new (); |
358 | column = gtk_tree_view_column_new_with_attributes ("BytesWritten", |
359 | renderer, |
360 | "text", BYTES_WR_COLUMN, |
361 | NULL); |
362 | gtk_tree_view_column_set_alignment (column, 0.0); |
363 | gtk_tree_view_column_set_fixed_width (column, 145); |
364 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
365 | |
366 | renderer = gtk_cell_renderer_text_new (); |
367 | column = gtk_tree_view_column_new_with_attributes ("BytesWritten/sec", |
368 | renderer, |
369 | "text", BYTES_WR_SEC_COLUMN, |
370 | NULL); |
371 | gtk_tree_view_column_set_alignment (column, 1.0); |
372 | gtk_tree_view_column_set_fixed_width (column, 220); |
373 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
374 | |
375 | renderer = gtk_cell_renderer_text_new (); |
376 | column = gtk_tree_view_column_new_with_attributes ("NumWriteOperations", |
377 | renderer, |
378 | "text",NUM_WR_COLUMN, |
379 | NULL); |
380 | gtk_tree_view_column_set_alignment (column, 0.0); |
381 | gtk_tree_view_column_set_fixed_width (column, 145); |
382 | gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data->tree_v), column); |
383 | |
384 | disk_data->select_c = gtk_tree_view_get_selection (GTK_TREE_VIEW (disk_data->tree_v)); |
385 | gtk_tree_selection_set_mode (disk_data->select_c, GTK_SELECTION_SINGLE); |
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386 | |
a4f37ccd |
387 | gtk_container_add (GTK_CONTAINER (disk_data->scroll_win), disk_data->tree_v); |
388 | |
389 | disk_data->hbox_v = gtk_hbox_new(0, 0); |
390 | gtk_box_pack_start(GTK_BOX(disk_data->hbox_v), disk_data->scroll_win, TRUE, TRUE, 0); |
391 | |
392 | gtk_widget_show(disk_data->hbox_v); |
393 | gtk_widget_show(disk_data->tree_v); |
394 | |
395 | |
396 | g_disk_data_list = g_slist_append(g_disk_data_list, disk_data); |
397 | g_object_set_data_full(G_OBJECT(disk_data->hbox_v), |
398 | "disk_data", |
399 | disk_data, |
400 | (GDestroyNotify)gui_disperformance_free); |
401 | |
402 | request_event(disk_data); |
403 | return disk_data; |
404 | } |
a4f37ccd |
405 | |
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406 | /** |
407 | * |
408 | * For each trace in the traceset, this function: |
409 | * - calls lttv_trace_find_hook() & registers a hook function to event_by_id_hooks |
410 | * - registers a callback function to each hook |
411 | * - calls lttvwindow_events_request() to request data in a specific |
412 | * time interval to the main window |
413 | * |
414 | */ |
415 | static void request_event(DiskPerformanceData *disk_performance) |
416 | { |
417 | guint i, k, l, nb_trace; |
a4f37ccd |
418 | |
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419 | GArray *hooks; |
a4f37ccd |
420 | |
4ea3dbbf |
421 | guint ret; |
422 | |
423 | LttvTraceHook *hook; |
424 | |
425 | LttvTraceState *ts; |
a4f37ccd |
426 | |
4ea3dbbf |
427 | LttvTraceHookByFacility *thf; |
428 | |
429 | LttvTracesetContext *tsc = lttvwindow_get_traceset_context(disk_performance->tab); |
430 | /* Get the traceset */ |
431 | LttvTraceset *traceset = tsc->ts; |
432 | |
433 | nb_trace = lttv_traceset_number(traceset); |
a4f37ccd |
434 | |
4ea3dbbf |
435 | for(i = 0; i<MIN(TRACE_NUMBER+1, nb_trace);i++) |
436 | { |
437 | EventsRequest *events_request = g_new(EventsRequest, 1); |
438 | |
439 | hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook)); |
440 | |
441 | hooks = g_array_set_size(hooks, 2); |
442 | |
443 | /* Get a trace state */ |
444 | ts = (LttvTraceState *)tsc->traces[i]; |
445 | |
446 | disk_performance->event_by_id_hooks = lttv_hooks_by_id_new(); |
447 | /* Register event_by_id_hooks with a callback function */ |
448 | ret = lttv_trace_find_hook(ts->parent.t, |
449 | LTT_FACILITY_BLOCK, LTT_EVENT_BLOCK_READ, |
450 | 0, 0, 0, |
451 | block_read_callback, |
452 | disk_performance, |
453 | &g_array_index(hooks, LttvTraceHook, 0)); |
454 | |
455 | ret = lttv_trace_find_hook(ts->parent.t, |
456 | LTT_FACILITY_BLOCK, LTT_EVENT_BLOCK_WRITE, |
457 | 0, 0, 0, |
458 | block_write_callback, |
459 | disk_performance, |
460 | &g_array_index(hooks, LttvTraceHook, 1)); |
461 | |
462 | g_assert(!ret); |
463 | |
464 | /*iterate through the facility list*/ |
465 | for(k = 0 ; k < hooks->len; k++) |
466 | { |
467 | hook = &g_array_index(hooks, LttvTraceHook, k); |
468 | for(l=0; l<hook->fac_list->len; l++) |
469 | { |
470 | thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l); |
471 | lttv_hooks_add(lttv_hooks_by_id_find(disk_performance->event_by_id_hooks, thf->id), |
472 | thf->h, |
473 | disk_performance, |
474 | LTTV_PRIO_DEFAULT); |
475 | |
476 | } |
477 | } |
478 | |
479 | disk_performance->hooks_trace_after = lttv_hooks_new(); |
480 | /* Registers a hook function */ |
481 | lttv_hooks_add(disk_performance->hooks_trace_after, disk_show, disk_performance, LTTV_PRIO_DEFAULT); |
482 | |
483 | disk_performance->hooks_trace_before = lttv_hooks_new(); |
484 | /* Registers a hook function */ |
485 | lttv_hooks_add(disk_performance->hooks_trace_before, trace_header, disk_performance, LTTV_PRIO_DEFAULT); |
486 | |
487 | /* Initalize the EventsRequest structure */ |
488 | events_request->owner = disk_performance; |
489 | events_request->viewer_data = disk_performance; |
490 | events_request->servicing = FALSE; |
491 | events_request->start_time = disk_performance->time_window.start_time; |
492 | events_request->start_position = NULL; |
493 | events_request->stop_flag = FALSE; |
494 | events_request->end_time = disk_performance->time_window.end_time; |
495 | events_request->num_events = G_MAXUINT; |
496 | events_request->end_position = NULL; |
497 | events_request->trace = i; |
498 | events_request->hooks = hooks; |
499 | events_request->before_chunk_traceset = NULL; |
500 | events_request->before_chunk_trace = disk_performance->hooks_trace_before; |
501 | events_request->before_chunk_tracefile= NULL; |
502 | events_request->event = NULL; |
503 | events_request->event_by_id = disk_performance->event_by_id_hooks; |
504 | events_request->after_chunk_tracefile = NULL; |
505 | events_request->after_chunk_trace = NULL; |
506 | events_request->after_chunk_traceset = NULL; |
507 | events_request->before_request = NULL; |
508 | events_request->after_request = disk_performance->hooks_trace_after; |
509 | |
510 | lttvwindow_events_request(disk_performance->tab, events_request); |
a4f37ccd |
511 | } |
a4f37ccd |
512 | |
a4f37ccd |
513 | } |
514 | |
4ea3dbbf |
515 | /** |
516 | * This function is called whenever a read event occurs. |
517 | * |
518 | */ |
519 | static gboolean block_read_callback(void *hook_data, void *call_data) |
520 | { |
521 | LttEvent *e; |
522 | LttTime event_time; |
523 | unsigned cpu_id; |
524 | lttv_block block_read; |
525 | char *diskname; |
526 | |
527 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
528 | LttvTracefileState *tfs = (LttvTracefileState *)call_data; |
529 | DiskPerformanceData *disk_performance = (DiskPerformanceData *)hook_data; |
530 | GArray *disk_array = disk_performance->disk_array; |
531 | e = ltt_tracefile_get_event(tfc->tf); |
532 | event_time = ltt_event_time(e); |
533 | cpu_id = ltt_event_cpu_id(e); |
4ea3dbbf |
534 | |
e62ca91e |
535 | get_event_detail(e, &block_read); |
536 | diskname = major_minor_to_diskname(&block_read); |
537 | sum_data(diskname, block_read.size,LTTV_READ_OPERATION, disk_array); |
538 | |
539 | return FALSE; |
a4f37ccd |
540 | } |
541 | |
4ea3dbbf |
542 | /** |
543 | * This function is called whenever a write event occurs. |
544 | * |
545 | */ |
546 | static gboolean block_write_callback(void *hook_data, void *call_data) |
547 | { |
548 | LttEvent *e; |
549 | LttTime event_time; |
550 | unsigned cpu_id; |
551 | lttv_block block_write; |
552 | char *diskname; |
553 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
554 | LttvTracefileState *tfs = (LttvTracefileState *)call_data; |
555 | DiskPerformanceData *disk_performance = (DiskPerformanceData *)hook_data; |
556 | GArray *disk_array = disk_performance->disk_array; |
557 | e = ltt_tracefile_get_event(tfc->tf); |
558 | event_time = ltt_event_time(e); |
559 | cpu_id = ltt_event_cpu_id(e); |
e62ca91e |
560 | |
561 | get_event_detail(e, &block_write); |
562 | diskname = major_minor_to_diskname(&block_write); |
563 | sum_data(diskname, block_write.size,LTTV_WRITE_OPERATION, disk_array); |
564 | |
4ea3dbbf |
565 | return FALSE; |
a4f37ccd |
566 | } |
a4f37ccd |
567 | |
4ea3dbbf |
568 | /** |
569 | * This function extracts the major, minor and size |
570 | * |
571 | */ |
572 | static void get_event_detail(LttEvent *e, lttv_block* disk_data) |
573 | { |
574 | guint i, num_fields; |
575 | LttEventType *event_type; |
576 | LttField *element; |
577 | LttField *field; |
578 | event_type = ltt_event_eventtype(e); |
579 | num_fields = ltt_eventtype_num_fields(event_type); |
580 | |
581 | for(i = 0 ; i < num_fields ; i++) |
a4f37ccd |
582 | { |
4ea3dbbf |
583 | element = ltt_eventtype_field(event_type,i); |
e62ca91e |
584 | switch(i) |
585 | { |
586 | case 0: |
587 | disk_data->major_number = ltt_event_get_long_unsigned(e, element); |
588 | break; |
589 | |
590 | case 1: |
591 | disk_data->minor_number = ltt_event_get_long_unsigned(e, element); |
592 | break; |
593 | case 2: |
594 | disk_data->size = ltt_event_get_long_unsigned(e, element); |
595 | break; |
596 | } |
597 | |
a4f37ccd |
598 | } |
4ea3dbbf |
599 | |
a4f37ccd |
600 | } |
a4f37ccd |
601 | |
e62ca91e |
602 | |
a4f37ccd |
603 | |
4ea3dbbf |
604 | /** |
605 | * This function calculates: the number of operations, the total bytes read or written, |
606 | * the average number of bytes read or written by sec. |
607 | */ |
608 | static void sum_data(char* diskname, guint size, enum operation_t operation, GArray *disk_array) |
609 | { |
a4f37ccd |
610 | |
611 | lttv_total_block data; |
612 | lttv_total_block *element; |
613 | guint i; |
614 | gboolean notFound = FALSE; |
615 | |
616 | memset ((void*)&data, 0,sizeof(lttv_total_block)); |
617 | |
618 | if(disk_array->len == NO_ITEMS){ |
619 | strcpy(data.diskname, diskname); |
620 | if(operation == LTTV_READ_OPERATION){ |
621 | data.total_bytes_read = size; |
622 | data.num_read_operations++; |
623 | } |
624 | else{ |
625 | data.total_bytes_written = size; |
626 | data.num_write_operations ++; |
627 | } |
628 | g_array_append_val (disk_array, data); |
629 | } |
630 | else{ |
631 | for(i = 0; i < disk_array->len; i++){ |
632 | element = &g_array_index(disk_array,lttv_total_block,i); |
633 | if(strcmp(element->diskname,diskname) == 0){ |
634 | if(operation == LTTV_READ_OPERATION){ |
635 | element->num_read_operations++; |
636 | element->total_bytes_read += size; |
637 | } |
638 | else{ |
639 | element->num_write_operations ++; |
640 | element->total_bytes_written += size; |
641 | } |
642 | notFound = TRUE; |
643 | } |
644 | } |
645 | if(!notFound){ |
646 | strcpy(data.diskname, diskname); |
647 | if(operation == LTTV_READ_OPERATION){ |
648 | data.total_bytes_read = size; |
649 | data.num_read_operations ++; |
650 | } |
651 | else{ |
652 | data.total_bytes_written = size; |
653 | data.num_write_operations ++; |
654 | } |
655 | g_array_append_val (disk_array, data); |
656 | } |
657 | } |
658 | } |
659 | |
a4f37ccd |
660 | |
a4f37ccd |
661 | static void destroy() |
662 | { |
663 | g_info("Destroy diskPerformance"); |
664 | g_slist_foreach(g_disk_data_list, disk_destroy_walk, NULL ); |
665 | g_slist_free(g_disk_data_list); |
666 | |
667 | lttvwindow_unregister_constructor(disk_performance); |
668 | |
669 | } |
670 | |
e62ca91e |
671 | /** |
672 | * This function convert the major and minor number to the corresponding disk. |
673 | * Data taken from Documentation/devices.txt of the kernel tree. |
674 | */ |
675 | static char * major_minor_to_diskname( lttv_block* disk_data) |
676 | { |
677 | switch(disk_data->major_number) |
678 | { |
679 | /* IDE Disks */ |
680 | case 3: /* First MFM, RLL and IDE hard disk/CD-ROM interface */ |
681 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
682 | return "/dev/hda"; |
683 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
684 | return "/dev/hdb"; |
685 | break; |
686 | |
687 | case 22: /*Second IDE hard disk/CD-ROM interface */ |
688 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
689 | return "/dev/hdc"; |
690 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
691 | return "/dev/hdd"; |
692 | break; |
693 | |
694 | case 33: /* Third IDE hard disk/CD-ROM interface */ |
695 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
696 | return "/dev/hde"; |
697 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
698 | return "/dev/hdf"; |
699 | break; |
700 | |
701 | case 34: /* Fourth IDE hard disk/CD-ROM interface */ |
702 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
703 | return "/dev/hdg"; |
704 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
705 | return "/dev/hdh"; |
706 | break; |
707 | |
708 | case 56: /* Fifth IDE hard disk/CD-ROM interface */ |
709 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
710 | return "/dev/hdi"; |
711 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
712 | return "/dev/hdj"; |
713 | break; |
714 | |
715 | case 57: /* Sixth IDE hard disk/CD-ROM interface */ |
716 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
717 | return "/dev/hdk"; |
718 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
719 | return "/dev/hdl"; |
720 | break; |
721 | |
722 | case 88: /* Seventh IDE hard disk/CD-ROM interface */ |
723 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
724 | return "/dev/hdm"; |
725 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
726 | return "/dev/hdn"; |
727 | break; |
728 | |
729 | case 89: /* Eighth IDE hard disk/CD-ROM interface */ |
730 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
731 | return "/dev/hdo"; |
732 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
733 | return "/dev/hdp"; |
734 | break; |
735 | |
736 | case 90: /* Ninth IDE hard disk/CD-ROM interface */ |
737 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
738 | return "/dev/hdq"; |
739 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
740 | return "/dev/hdr"; |
741 | break; |
742 | |
743 | case 91: /* Tenth IDE hard disk/CD-ROM interface */ |
744 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 64)) |
745 | return "/dev/hds"; |
746 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 128)) |
747 | return "/dev/hdt"; |
748 | break; |
749 | |
750 | /* SCSI Disks */ |
751 | case 8: /* SCSI disk devices */ |
752 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
753 | return "/dev/sda"; // First SCSI disk whole disk |
754 | |
755 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
756 | return "/dev/sdb";// Second SCSI disk whole disk |
757 | |
758 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
759 | return "/dev/sdc";// Third SCSI disk whole disk |
760 | |
761 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
762 | return "/dev/sdd";// Fourth SCSI disk whole disk |
763 | |
764 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
765 | return "/dev/sde";// Fifth SCSI disk whole disk |
766 | |
767 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
768 | return "/dev/sdf";// Sixth SCSI disk whole disk |
769 | |
770 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
771 | return "/dev/sdg";// seventh SCSI disk whole disk |
772 | |
773 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
774 | return "/dev/sdh";// eighth SCSI disk whole disk |
775 | |
776 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
777 | return "/dev/sdi";// 9th SCSI disk whole disk |
778 | |
779 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
780 | return "/dev/sdj";// 10th SCSI disk whole disk |
781 | |
782 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
783 | return "/dev/sdk";// 11th SCSI disk whole disk |
784 | |
785 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
786 | return "/dev/sdl";// 12th SCSI disk whole disk |
787 | |
788 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
789 | return "/dev/sdm";// 13th SCSI disk whole disk |
790 | |
791 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
792 | return "/dev/sdn";// 14th SCSI disk whole disk |
793 | |
794 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
795 | return "/dev/sdo";// 15th SCSI disk whole disk |
796 | |
797 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
798 | return "/dev/sdp";// 16th SCSI disk whole disk |
799 | break; |
800 | |
801 | case 65: /* SCSI disk devices */ |
802 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
803 | return "/dev/sdq"; |
804 | |
805 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
806 | return "/dev/sdr"; |
807 | |
808 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
809 | return "/dev/sds"; |
810 | |
811 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
812 | return "/dev/sdt"; |
813 | |
814 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
815 | return "/dev/sdu"; |
816 | |
817 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
818 | return "/dev/sdv"; |
819 | |
820 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
821 | return "/dev/sdw"; |
822 | |
823 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
824 | return "/dev/sdy"; |
825 | |
826 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
827 | return "/dev/sdx"; |
828 | |
829 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
830 | return "/dev/sdz"; |
831 | |
832 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
833 | return "/dev/sdaa"; |
834 | |
835 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
836 | return "/dev/sdab"; |
837 | |
838 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
839 | return "/dev/sdac"; |
840 | |
841 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
842 | return "/dev/sdad"; |
843 | |
844 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
845 | return "/dev/sdae"; |
846 | |
847 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
848 | return "/dev/sdaf"; |
849 | break; |
850 | |
851 | case 66: /* SCSI disk devices */ |
852 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
853 | return "/dev/sdag"; |
854 | |
855 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
856 | return "/dev/sdah"; |
857 | |
858 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
859 | return "/dev/sdai"; |
860 | |
861 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
862 | return "/dev/sdaj"; |
863 | |
864 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
865 | return "/dev/sdak"; |
866 | |
867 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
868 | return "/dev/sdal"; |
869 | |
870 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
871 | return "/dev/sdam"; |
872 | |
873 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
874 | return "/dev/sdan"; |
875 | |
876 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
877 | return "/dev/sdao"; |
878 | |
879 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
880 | return "/dev/sdap"; |
881 | |
882 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
883 | return "/dev/sdaq"; |
884 | |
885 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
886 | return "/dev/sdar"; |
887 | |
888 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
889 | return "/dev/sdas"; |
890 | |
891 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
892 | return "/dev/sdat"; |
893 | |
894 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
895 | return "/dev/sdau"; |
896 | |
897 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
898 | return "/dev/sdav"; |
899 | break; |
900 | |
901 | |
902 | case 67: /* SCSI disk devices */ |
903 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
904 | return "/dev/sdaw"; |
905 | |
906 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
907 | return "/dev/sdax"; |
908 | |
909 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
910 | return "/dev/sday"; |
911 | |
912 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
913 | return "/dev/sdaz"; |
914 | |
915 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
916 | return "/dev/sdba"; |
917 | |
918 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
919 | return "/dev/sdbb"; |
920 | |
921 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
922 | return "/dev/sdbc"; |
923 | |
924 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
925 | return "/dev/sdbd"; |
926 | |
927 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
928 | return "/dev/sdbe"; |
929 | |
930 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
931 | return "/dev/sdbf"; |
932 | |
933 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
934 | return "/dev/sdbg"; |
935 | |
936 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
937 | return "/dev/sdbh"; |
938 | |
939 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
940 | return "/dev/sdbi"; |
941 | |
942 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
943 | return "/dev/sdbj"; |
944 | |
945 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
946 | return "/dev/sdbk"; |
947 | |
948 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
949 | return "/dev/sdbl"; |
950 | break; |
951 | |
952 | case 68 : /* SCSI disk devices */ |
953 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
954 | return "/dev/sdbm"; |
955 | |
956 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
957 | return "/dev/sdbm"; |
958 | |
959 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
960 | return "/dev/sdbo"; |
961 | |
962 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
963 | return "/dev/sdbp"; |
964 | |
965 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
966 | return "/dev/sdbq"; |
967 | |
968 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
969 | return "/dev/sdbr"; |
970 | |
971 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
972 | return "/dev/sdbs"; |
973 | |
974 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
975 | return "/dev/sdbt"; |
976 | |
977 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
978 | return "/dev/sdbu"; |
979 | |
980 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
981 | return "/dev/sdbv"; |
982 | |
983 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
984 | return "/dev/sdbw"; |
985 | |
986 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
987 | return "/dev/sdbx"; |
988 | |
989 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
990 | return "/dev/sdby"; |
991 | |
992 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
993 | return "/dev/sdbz"; |
994 | |
995 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
996 | return "/dev/sdca"; |
997 | |
998 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
999 | return "/dev/sdcb"; |
1000 | break; |
1001 | case 69 : /* SCSI disk devices */ |
1002 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
1003 | return "/dev/sdcc"; |
1004 | |
1005 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
1006 | return "/dev/sdcd"; |
1007 | |
1008 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
1009 | return "/dev/sdce"; |
1010 | |
1011 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
1012 | return "/dev/sdcf"; |
1013 | |
1014 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
1015 | return "/dev/sdcg"; |
1016 | |
1017 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
1018 | return "/dev/sdch"; |
1019 | |
1020 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
1021 | return "/dev/sdci"; |
1022 | |
1023 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
1024 | return "/dev/sdcj"; |
1025 | |
1026 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
1027 | return "/dev/sdck"; |
1028 | |
1029 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
1030 | return "/dev/sdcl"; |
1031 | |
1032 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
1033 | return "/dev/sdcm"; |
1034 | |
1035 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
1036 | return "/dev/sdcn"; |
1037 | |
1038 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
1039 | return "/dev/sdco"; |
1040 | |
1041 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
1042 | return "/dev/sdcp"; |
1043 | |
1044 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
1045 | return "/dev/sdcq"; |
1046 | |
1047 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
1048 | return "/dev/sdcr"; |
1049 | break; |
1050 | |
1051 | |
1052 | case 70 : /* SCSI disk devices */ |
1053 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
1054 | return "/dev/sdcs"; |
1055 | |
1056 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
1057 | return "/dev/sdct"; |
1058 | |
1059 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
1060 | return "/dev/sdcu"; |
1061 | |
1062 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
1063 | return "/dev/sdcv"; |
1064 | |
1065 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
1066 | return "/dev/sdcw"; |
1067 | |
1068 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
1069 | return "/dev/sdcx"; |
1070 | |
1071 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
1072 | return "/dev/sdcy"; |
1073 | |
1074 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
1075 | return "/dev/sdcz"; |
1076 | |
1077 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
1078 | return "/dev/sdda"; |
1079 | |
1080 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
1081 | return "/dev/sddb"; |
1082 | |
1083 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
1084 | return "/dev/sddc"; |
1085 | |
1086 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
1087 | return "/dev/sddd"; |
1088 | |
1089 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
1090 | return "/dev/sdde"; |
a4f37ccd |
1091 | |
e62ca91e |
1092 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
1093 | return "/dev/sddf"; |
1094 | |
1095 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
1096 | return "/dev/sddg"; |
1097 | |
1098 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
1099 | return "/dev/sddh"; |
1100 | break; |
1101 | |
1102 | case 71: /* SCSI disk devices */ |
1103 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
1104 | return "/dev/sddi"; |
1105 | |
1106 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
1107 | return "/dev/sddj"; |
1108 | |
1109 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
1110 | return "/dev/sddk"; |
1111 | |
1112 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
1113 | return "/dev/sddl"; |
1114 | |
1115 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
1116 | return "/dev/sddm"; |
1117 | |
1118 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
1119 | return "/dev/sddn"; |
1120 | |
1121 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
1122 | return "/dev/sddo"; |
1123 | |
1124 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
1125 | return "/dev/sddp"; |
1126 | |
1127 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
1128 | return "/dev/sddq"; |
1129 | |
1130 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
1131 | return "/dev/sddr"; |
1132 | |
1133 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
1134 | return "/dev/sdds"; |
1135 | |
1136 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
1137 | return "/dev/sddt"; |
1138 | |
1139 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
1140 | return "/dev/sddu"; |
1141 | |
1142 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
1143 | return "/dev/sddv"; |
1144 | |
1145 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
1146 | return "/dev/sddw"; |
1147 | |
1148 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
1149 | return "/dev/sddx"; |
1150 | break; |
1151 | |
1152 | case 128: /* SCSI disk devices */ |
1153 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
1154 | return "/dev/sddy"; |
1155 | |
1156 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
1157 | return "/dev/sddz"; |
1158 | |
1159 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
1160 | return "/dev/sdea"; |
1161 | |
1162 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
1163 | return "/dev/sdeb"; |
1164 | |
1165 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
1166 | return "/dev/sdec"; |
1167 | |
1168 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
1169 | return "/dev/sded"; |
1170 | |
1171 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
1172 | return "/dev/sdee"; |
1173 | |
1174 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
1175 | return "/dev/sdef"; |
1176 | |
1177 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
1178 | return "/dev/sdeg"; |
1179 | |
1180 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
1181 | return "/dev/sdeh"; |
1182 | |
1183 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
1184 | return "/dev/sdei"; |
1185 | |
1186 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
1187 | return "/dev/sdej"; |
1188 | |
1189 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
1190 | return "/dev/sdek"; |
1191 | |
1192 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
1193 | return "/dev/sdel"; |
1194 | |
1195 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
1196 | return "/dev/sdem"; |
1197 | |
1198 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
1199 | return "/dev/sden"; |
1200 | break; |
1201 | |
1202 | case 129: /* SCSI disk devices */ |
1203 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 16)) |
1204 | return "/dev/sdeo"; |
1205 | |
1206 | if((disk_data->minor_number >= 16) && (disk_data->minor_number < 32)) |
1207 | return "/dev/sdep"; |
1208 | |
1209 | if((disk_data->minor_number >= 32) && (disk_data->minor_number < 48)) |
1210 | return "/dev/sdeq"; |
1211 | |
1212 | if((disk_data->minor_number >= 48) && (disk_data->minor_number < 64)) |
1213 | return "/dev/sder"; |
1214 | |
1215 | if((disk_data->minor_number >= 64) && (disk_data->minor_number < 80)) |
1216 | return "/dev/sdes"; |
1217 | |
1218 | if((disk_data->minor_number >= 80) && (disk_data->minor_number < 96)) |
1219 | return "/dev/sdet"; |
1220 | |
1221 | if((disk_data->minor_number >= 96) && (disk_data->minor_number < 112)) |
1222 | return "/dev/sdeu"; |
1223 | |
1224 | if((disk_data->minor_number >= 112) && (disk_data->minor_number < 128)) |
1225 | return "/dev/sdev"; |
1226 | |
1227 | if((disk_data->minor_number >= 128) && (disk_data->minor_number < 144)) |
1228 | return "/dev/sdew"; |
1229 | |
1230 | if((disk_data->minor_number >= 144) && (disk_data->minor_number < 160)) |
1231 | return "/dev/sdez"; |
1232 | |
1233 | if((disk_data->minor_number >= 160) && (disk_data->minor_number < 176)) |
1234 | return "/dev/sdey"; |
1235 | |
1236 | if((disk_data->minor_number >= 176) && (disk_data->minor_number < 192)) |
1237 | return "/dev/sdez"; |
1238 | |
1239 | if((disk_data->minor_number >= 192) && (disk_data->minor_number < 208)) |
1240 | return "/dev/sdfa"; |
1241 | |
1242 | if((disk_data->minor_number >= 208) && (disk_data->minor_number < 224)) |
1243 | return "/dev/sdfb"; |
1244 | |
1245 | if((disk_data->minor_number >= 224) && (disk_data->minor_number < 240)) |
1246 | return "/dev/sdfc"; |
1247 | |
1248 | if((disk_data->minor_number >= 240) && (disk_data->minor_number < 256)) |
1249 | return "/dev/sdfd"; |
1250 | break; |
1251 | /*USB block devices*/ |
1252 | case 180: |
1253 | if( (disk_data->minor_number >= 0) && (disk_data->minor_number < 8)) |
1254 | return "/dev/uba"; |
1255 | if( (disk_data->minor_number >= 8) && (disk_data->minor_number < 16)) |
1256 | return "/dev/ubb"; |
1257 | if( (disk_data->minor_number >= 16) && (disk_data->minor_number < 24)) |
1258 | return "/dev/ubc"; |
1259 | break; |
1260 | |
1261 | } |
1262 | |
1263 | |
1264 | } |
a4f37ccd |
1265 | LTTV_MODULE("diskperformance", "disk info view", \ |
1266 | "Produce disk I/O performance", \ |
1267 | init, destroy, "lttvwindow") |
1268 | |