1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2005 Peter Ho
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;
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.
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,
29 #include <ltt/event.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 <lttvwindow/lttv_plugin_tab.h>
42 #include "hDiskPerformanceInsert.xpm"
45 #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
46 #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format)
47 #define TRACE_NUMBER 0
62 LTTV_READ_OPERATION
= 1,
66 typedef struct _DiskPerformanceData
{
72 LttvHooks
* hooks_trace_after
;
74 LttvHooks
* hooks_trace_before
;
76 TimeWindow time_window
;
78 GtkWidget
* scroll_win
;
80 /* Model containing list data */
81 GtkListStore
*store_m
;
85 /* Widget to display the data in a columned list */
88 /* Selection handler */
89 GtkTreeSelection
*select_c
;
93 LttvHooksById
* event_by_id_hooks
;
95 } DiskPerformanceData
;
98 typedef struct _lttv_block
{
104 typedef struct _lttv_total_block
{
106 guint64 total_bytes_read
;
107 guint num_read_operations
;
108 guint64 total_bytes_written
;
109 guint num_write_operations
;
113 GSList
*g_disk_data_list
= NULL
;
118 GQuark LTT_FACILITY_BLOCK
;
121 GQuark LTT_EVENT_BLOCK_READ
;
122 GQuark LTT_EVENT_BLOCK_WRITE
;
124 static DiskPerformanceData
*disk_performance_data(LttvPluginTab
*ptab
);
125 static void disk_destroy_walk(gpointer data
, gpointer user_data
);
126 static gboolean
disk_show(void *hook_data
, void *call_data
);
127 static gboolean
trace_header(void *hook_data
, void *call_data
);
128 static gboolean
disk_update_time_window(void * hook_data
, void * call_data
);
129 static void request_event( DiskPerformanceData
*disk_performance
);
130 void gui_disperformance_free(DiskPerformanceData
*event_viewer_data
);
131 static void get_event_detail(LttEvent
*e
, lttv_block
* disk_data
);
132 static char * major_minor_to_diskname( lttv_block
* disk_data
);
133 static void sum_data(char* diskname
, guint size
, enum operation_t opt
, GArray
*disk_array
);
134 static GtkWidget
*disk_performance(LttvPlugin
*plugin
);
136 static gboolean
block_read_callback(void *hook_data
, void *call_data
);
138 static gboolean
block_write_callback(void *hook_data
, void *call_data
);
141 static gboolean
disk_show(void *hook_data
, void *call_data
){
144 lttv_total_block element
;
146 LttTime time_interval
;
147 guint64 time_interval_64
;
148 guint64 temp_variable
;
149 guint64 bytes_read_per_sec
, bytes_written_per_sec
;
150 g_info(" diskperformance: disk_show() \n");
151 DiskPerformanceData
*disk_performance
= (DiskPerformanceData
*)hook_data
;
152 GArray
*disk_array
= disk_performance
->disk_array
;
153 time_interval
= ltt_time_sub(disk_performance
->time_window
.end_time
, disk_performance
->time_window
.start_time
);
155 time_interval_64
= time_interval
.tv_sec
;
156 time_interval_64
*= NANOSECONDS_PER_SECOND
;
157 time_interval_64
+= time_interval
.tv_nsec
;
158 gtk_list_store_clear(disk_performance
->store_m
);
159 for(i
= 0; i
< disk_array
->len
; i
++){
161 element
= g_array_index(disk_array
,lttv_total_block
,i
);
162 temp_variable
= element
.total_bytes_read
* NANOSECONDS_PER_SECOND
;
163 bytes_read_per_sec
= (guint64
) temp_variable
/ time_interval_64
;
165 temp_variable
= element
.total_bytes_written
* NANOSECONDS_PER_SECOND
;
166 bytes_written_per_sec
= (guint64
) temp_variable
/ time_interval_64
;
168 gtk_list_store_append (disk_performance
->store_m
, &iter
);
169 gtk_list_store_set (disk_performance
->store_m
, &iter
,
170 DISKNAME_COLUMN
, element
.diskname
,
171 BYTES_RD_COLUMN
, element
.total_bytes_read
,
172 BYTES_RD_SEC_COLUMN
,bytes_read_per_sec
,
173 NUM_RD_COLUMN
, element
.num_read_operations
,
174 BYTES_WR_COLUMN
, element
.total_bytes_written
,
175 BYTES_WR_SEC_COLUMN
, bytes_written_per_sec
,
176 NUM_WR_COLUMN
, element
.num_write_operations
,
180 if(disk_performance
->disk_array
->len
)
181 g_array_remove_range (disk_performance
->disk_array
,0,disk_performance
->disk_array
->len
);
185 static gboolean
trace_header(void *hook_data
, void *call_data
){
190 static gboolean
disk_update_time_window(void * hook_data
, void * call_data
){
192 DiskPerformanceData
*disk_performance
= (DiskPerformanceData
*) hook_data
;
193 const TimeWindowNotifyData
*time_window_nofify_data
= ((const TimeWindowNotifyData
*)call_data
);
194 disk_performance
->time_window
= *time_window_nofify_data
->new_time_window
;
195 Tab
*tab
= disk_performance
->tab
;
196 lttvwindow_events_request_remove_all(tab
, disk_performance
);
197 request_event( disk_performance
);
203 void gui_disperformance_free(DiskPerformanceData
*eventdata
){
204 Tab
*tab
= eventdata
->tab
;
205 g_info("disperformance.c : gui_disperformance_free, %p", eventdata
);
206 g_info("%p, %p", eventdata
, tab
);
209 g_array_free (eventdata
->disk_array
, TRUE
);
211 lttvwindow_unregister_time_window_notify(tab
,
212 disk_update_time_window
,
215 lttvwindow_events_request_remove_all(eventdata
->tab
,
217 g_disk_data_list
= g_slist_remove(g_disk_data_list
, eventdata
);
220 g_info("disperformance.c : gui_disperformance_free end, %p", eventdata
);
228 void disk_destructor_full(DiskPerformanceData
*disk_data
)
231 if(GTK_IS_WIDGET(disk_data
->hbox_v
))
232 gtk_widget_destroy(disk_data
->hbox_v
);
236 static void disk_destroy_walk(gpointer data
, gpointer user_data
)
238 g_info("Walk destroy GUI disk performance Viewer");
239 disk_destructor_full((DiskPerformanceData
*)data
);
245 * This is the entry point of the viewer.
251 g_info("Init diskPerformance.c");
253 LTT_FACILITY_BLOCK
= g_quark_from_string("block");
254 LTT_EVENT_BLOCK_READ
= g_quark_from_string("read");
255 LTT_EVENT_BLOCK_WRITE
= g_quark_from_string("write");
257 lttvwindow_register_constructor("diskperformance",
259 "Insert Disk Performance",
260 hDiskPerformanceInsert_xpm
,
261 "Insert Disk Performance",
269 GtkWidget
*disk_performance(LttvPlugin
*plugin
)
271 LttvPluginTab
*ptab
= LTTV_PLUGIN_TAB(plugin
);
272 DiskPerformanceData
* disk_data
= disk_performance_data(ptab
);
274 return disk_data
->hbox_v
;
280 * This function initializes the Event Viewer functionnality through the
283 DiskPerformanceData
*disk_performance_data(LttvPluginTab
*ptab
)
286 GtkTreeViewColumn
*column
;
287 GtkCellRenderer
*renderer
;
288 DiskPerformanceData
* disk_data
= g_new(DiskPerformanceData
,1) ;
290 g_info("enter disk_performance_data \n");
291 Tab
*tab
= ptab
->tab
;
292 disk_data
->tab
= tab
;
293 disk_data
->ptab
= ptab
;
294 disk_data
->time_window
= lttvwindow_get_time_window(tab
);
296 disk_data
->disk_array
= g_array_new(FALSE
, FALSE
, sizeof(lttv_total_block
));
298 lttvwindow_register_time_window_notify(tab
,
299 disk_update_time_window
,
302 disk_data
->scroll_win
= gtk_scrolled_window_new (NULL
, NULL
);
303 gtk_widget_show (disk_data
->scroll_win
);
304 gtk_scrolled_window_set_policy(
305 GTK_SCROLLED_WINDOW(disk_data
->scroll_win
),
306 GTK_POLICY_AUTOMATIC
, GTK_POLICY_AUTOMATIC
);
308 /* Create a model for storing the data list */
309 disk_data
->store_m
= gtk_list_store_new (
310 N_COLUMNS
, /* Total number of columns */
311 G_TYPE_STRING
, /* Diskname */
312 G_TYPE_INT64
, /* Bytes read */
313 G_TYPE_INT64
, /* Bytes read/sec */
315 G_TYPE_INT64
, /* bytes written */
316 G_TYPE_INT64
, /* bytes written/sec */
320 disk_data
->tree_v
= gtk_tree_view_new_with_model (GTK_TREE_MODEL (disk_data
->store_m
));
322 g_object_unref (G_OBJECT (disk_data
->store_m
));
324 renderer
= gtk_cell_renderer_text_new ();
326 column
= gtk_tree_view_column_new_with_attributes ("DiskName",
328 "text", DISKNAME_COLUMN
,
330 gtk_tree_view_column_set_alignment (column
, 0.0);
331 gtk_tree_view_column_set_fixed_width (column
, 45);
332 gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data
->tree_v
), column
);
334 renderer
= gtk_cell_renderer_text_new ();
335 column
= gtk_tree_view_column_new_with_attributes ("BytesRead",
337 "text", BYTES_RD_COLUMN
,
339 gtk_tree_view_column_set_alignment (column
, 0.0);
340 gtk_tree_view_column_set_fixed_width (column
, 220);
341 gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data
->tree_v
), column
);
343 renderer
= gtk_cell_renderer_text_new ();
344 column
= gtk_tree_view_column_new_with_attributes ("BytesRead/sec",
346 "text", BYTES_RD_SEC_COLUMN
,
348 gtk_tree_view_column_set_alignment (column
, 1.0);
349 gtk_tree_view_column_set_fixed_width (column
, 220);
350 gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data
->tree_v
), column
);
352 renderer
= gtk_cell_renderer_text_new ();
353 column
= gtk_tree_view_column_new_with_attributes ("NumReadOperations",
355 "text",NUM_RD_COLUMN
,
357 gtk_tree_view_column_set_alignment (column
, 1.0);
358 gtk_tree_view_column_set_fixed_width (column
, 220);
359 gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data
->tree_v
), column
);
361 renderer
= gtk_cell_renderer_text_new ();
362 column
= gtk_tree_view_column_new_with_attributes ("BytesWritten",
364 "text", BYTES_WR_COLUMN
,
366 gtk_tree_view_column_set_alignment (column
, 0.0);
367 gtk_tree_view_column_set_fixed_width (column
, 145);
368 gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data
->tree_v
), column
);
370 renderer
= gtk_cell_renderer_text_new ();
371 column
= gtk_tree_view_column_new_with_attributes ("BytesWritten/sec",
373 "text", BYTES_WR_SEC_COLUMN
,
375 gtk_tree_view_column_set_alignment (column
, 1.0);
376 gtk_tree_view_column_set_fixed_width (column
, 220);
377 gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data
->tree_v
), column
);
379 renderer
= gtk_cell_renderer_text_new ();
380 column
= gtk_tree_view_column_new_with_attributes ("NumWriteOperations",
382 "text",NUM_WR_COLUMN
,
384 gtk_tree_view_column_set_alignment (column
, 0.0);
385 gtk_tree_view_column_set_fixed_width (column
, 145);
386 gtk_tree_view_append_column (GTK_TREE_VIEW (disk_data
->tree_v
), column
);
388 disk_data
->select_c
= gtk_tree_view_get_selection (GTK_TREE_VIEW (disk_data
->tree_v
));
389 gtk_tree_selection_set_mode (disk_data
->select_c
, GTK_SELECTION_SINGLE
);
391 gtk_container_add (GTK_CONTAINER (disk_data
->scroll_win
), disk_data
->tree_v
);
393 disk_data
->hbox_v
= gtk_hbox_new(0, 0);
394 gtk_box_pack_start(GTK_BOX(disk_data
->hbox_v
), disk_data
->scroll_win
, TRUE
, TRUE
, 0);
396 gtk_widget_show(disk_data
->hbox_v
);
397 gtk_widget_show(disk_data
->tree_v
);
400 g_disk_data_list
= g_slist_append(g_disk_data_list
, disk_data
);
401 g_object_set_data_full(G_OBJECT(disk_data
->hbox_v
),
404 (GDestroyNotify
)gui_disperformance_free
);
406 request_event(disk_data
);
412 * For each trace in the traceset, this function:
413 * - calls lttv_trace_find_hook() & registers a hook function to event_by_id_hooks
414 * - registers a callback function to each hook
415 * - calls lttvwindow_events_request() to request data in a specific
416 * time interval to the main window
419 static void request_event(DiskPerformanceData
*disk_performance
)
421 guint i
, k
, l
, nb_trace
;
431 LttvTraceHookByFacility
*thf
;
433 LttvTracesetContext
*tsc
= lttvwindow_get_traceset_context(disk_performance
->tab
);
434 /* Get the traceset */
435 LttvTraceset
*traceset
= tsc
->ts
;
437 nb_trace
= lttv_traceset_number(traceset
);
439 for(i
= 0; i
<MIN(TRACE_NUMBER
+1, nb_trace
);i
++)
441 EventsRequest
*events_request
= g_new(EventsRequest
, 1);
443 hooks
= g_array_new(FALSE
, FALSE
, sizeof(LttvTraceHook
));
445 hooks
= g_array_set_size(hooks
, 2);
447 /* Get a trace state */
448 ts
= (LttvTraceState
*)tsc
->traces
[i
];
450 disk_performance
->event_by_id_hooks
= lttv_hooks_by_id_new();
451 /* Register event_by_id_hooks with a callback function */
452 ret
= lttv_trace_find_hook(ts
->parent
.t
,
453 LTT_FACILITY_BLOCK
, LTT_EVENT_BLOCK_READ
,
457 &g_array_index(hooks
, LttvTraceHook
, 0));
459 ret
= lttv_trace_find_hook(ts
->parent
.t
,
460 LTT_FACILITY_BLOCK
, LTT_EVENT_BLOCK_WRITE
,
462 block_write_callback
,
464 &g_array_index(hooks
, LttvTraceHook
, 1));
468 /*iterate through the facility list*/
469 for(k
= 0 ; k
< hooks
->len
; k
++)
471 hook
= &g_array_index(hooks
, LttvTraceHook
, k
);
472 for(l
=0; l
<hook
->fac_list
->len
; l
++)
474 thf
= g_array_index(hook
->fac_list
, LttvTraceHookByFacility
*, l
);
475 lttv_hooks_add(lttv_hooks_by_id_find(disk_performance
->event_by_id_hooks
, thf
->id
),
483 disk_performance
->hooks_trace_after
= lttv_hooks_new();
484 /* Registers a hook function */
485 lttv_hooks_add(disk_performance
->hooks_trace_after
, disk_show
, disk_performance
, LTTV_PRIO_DEFAULT
);
487 disk_performance
->hooks_trace_before
= lttv_hooks_new();
488 /* Registers a hook function */
489 lttv_hooks_add(disk_performance
->hooks_trace_before
, trace_header
, disk_performance
, LTTV_PRIO_DEFAULT
);
491 /* Initalize the EventsRequest structure */
492 events_request
->owner
= disk_performance
;
493 events_request
->viewer_data
= disk_performance
;
494 events_request
->servicing
= FALSE
;
495 events_request
->start_time
= disk_performance
->time_window
.start_time
;
496 events_request
->start_position
= NULL
;
497 events_request
->stop_flag
= FALSE
;
498 events_request
->end_time
= disk_performance
->time_window
.end_time
;
499 events_request
->num_events
= G_MAXUINT
;
500 events_request
->end_position
= NULL
;
501 events_request
->trace
= i
;
502 events_request
->hooks
= hooks
;
503 events_request
->before_chunk_traceset
= NULL
;
504 events_request
->before_chunk_trace
= disk_performance
->hooks_trace_before
;
505 events_request
->before_chunk_tracefile
= NULL
;
506 events_request
->event
= NULL
;
507 events_request
->event_by_id
= disk_performance
->event_by_id_hooks
;
508 events_request
->after_chunk_tracefile
= NULL
;
509 events_request
->after_chunk_trace
= NULL
;
510 events_request
->after_chunk_traceset
= NULL
;
511 events_request
->before_request
= NULL
;
512 events_request
->after_request
= disk_performance
->hooks_trace_after
;
514 lttvwindow_events_request(disk_performance
->tab
, events_request
);
520 * This function is called whenever a read event occurs.
523 static gboolean
block_read_callback(void *hook_data
, void *call_data
)
528 lttv_block block_read
;
531 LttvTracefileContext
*tfc
= (LttvTracefileContext
*)call_data
;
532 LttvTracefileState
*tfs
= (LttvTracefileState
*)call_data
;
533 DiskPerformanceData
*disk_performance
= (DiskPerformanceData
*)hook_data
;
534 GArray
*disk_array
= disk_performance
->disk_array
;
535 e
= ltt_tracefile_get_event(tfc
->tf
);
536 event_time
= ltt_event_time(e
);
537 cpu_id
= ltt_event_cpu_id(e
);
539 get_event_detail(e
, &block_read
);
540 diskname
= major_minor_to_diskname(&block_read
);
541 sum_data(diskname
, block_read
.size
,LTTV_READ_OPERATION
, disk_array
);
547 * This function is called whenever a write event occurs.
550 static gboolean
block_write_callback(void *hook_data
, void *call_data
)
555 lttv_block block_write
;
557 LttvTracefileContext
*tfc
= (LttvTracefileContext
*)call_data
;
558 LttvTracefileState
*tfs
= (LttvTracefileState
*)call_data
;
559 DiskPerformanceData
*disk_performance
= (DiskPerformanceData
*)hook_data
;
560 GArray
*disk_array
= disk_performance
->disk_array
;
561 e
= ltt_tracefile_get_event(tfc
->tf
);
562 event_time
= ltt_event_time(e
);
563 cpu_id
= ltt_event_cpu_id(e
);
565 get_event_detail(e
, &block_write
);
566 diskname
= major_minor_to_diskname(&block_write
);
567 sum_data(diskname
, block_write
.size
,LTTV_WRITE_OPERATION
, disk_array
);
573 * This function extracts the major, minor and size
576 static void get_event_detail(LttEvent
*e
, lttv_block
* disk_data
)
579 LttEventType
*event_type
;
582 event_type
= ltt_event_eventtype(e
);
583 num_fields
= ltt_eventtype_num_fields(event_type
);
585 for(i
= 0 ; i
< num_fields
; i
++)
587 element
= ltt_eventtype_field(event_type
,i
);
591 disk_data
->major_number
= ltt_event_get_long_unsigned(e
, element
);
595 disk_data
->minor_number
= ltt_event_get_long_unsigned(e
, element
);
598 disk_data
->size
= ltt_event_get_long_unsigned(e
, element
);
609 * This function calculates: the number of operations, the total bytes read or written,
610 * the average number of bytes read or written by sec.
612 static void sum_data(char* diskname
, guint size
, enum operation_t operation
, GArray
*disk_array
)
615 lttv_total_block data
;
616 lttv_total_block
*element
;
618 gboolean notFound
= FALSE
;
620 memset ((void*)&data
, 0,sizeof(lttv_total_block
));
622 if(disk_array
->len
== NO_ITEMS
){
623 strcpy(data
.diskname
, diskname
);
624 if(operation
== LTTV_READ_OPERATION
){
625 data
.total_bytes_read
= size
;
626 data
.num_read_operations
++;
629 data
.total_bytes_written
= size
;
630 data
.num_write_operations
++;
632 g_array_append_val (disk_array
, data
);
635 for(i
= 0; i
< disk_array
->len
; i
++){
636 element
= &g_array_index(disk_array
,lttv_total_block
,i
);
637 if(strcmp(element
->diskname
,diskname
) == 0){
638 if(operation
== LTTV_READ_OPERATION
){
639 element
->num_read_operations
++;
640 element
->total_bytes_read
+= size
;
643 element
->num_write_operations
++;
644 element
->total_bytes_written
+= size
;
650 strcpy(data
.diskname
, diskname
);
651 if(operation
== LTTV_READ_OPERATION
){
652 data
.total_bytes_read
= size
;
653 data
.num_read_operations
++;
656 data
.total_bytes_written
= size
;
657 data
.num_write_operations
++;
659 g_array_append_val (disk_array
, data
);
665 static void destroy()
667 g_info("Destroy diskPerformance");
668 g_slist_foreach(g_disk_data_list
, disk_destroy_walk
, NULL
);
669 g_slist_free(g_disk_data_list
);
671 lttvwindow_unregister_constructor(disk_performance
);
676 * This function convert the major and minor number to the corresponding disk.
677 * Data taken from Documentation/devices.txt of the kernel tree.
679 static char * major_minor_to_diskname( lttv_block
* disk_data
)
681 switch(disk_data
->major_number
)
684 case 3: /* First MFM, RLL and IDE hard disk/CD-ROM interface */
685 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 64))
687 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 128))
691 case 22: /*Second IDE hard disk/CD-ROM interface */
692 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 64))
694 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 128))
698 case 33: /* Third IDE hard disk/CD-ROM interface */
699 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 64))
701 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 128))
705 case 34: /* Fourth IDE hard disk/CD-ROM interface */
706 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 64))
708 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 128))
712 case 56: /* Fifth IDE hard disk/CD-ROM interface */
713 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 64))
715 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 128))
719 case 57: /* Sixth IDE hard disk/CD-ROM interface */
720 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 64))
722 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 128))
726 case 88: /* Seventh IDE hard disk/CD-ROM interface */
727 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 64))
729 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 128))
733 case 89: /* Eighth IDE hard disk/CD-ROM interface */
734 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 64))
736 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 128))
740 case 90: /* Ninth IDE hard disk/CD-ROM interface */
741 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 64))
743 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 128))
747 case 91: /* Tenth IDE hard disk/CD-ROM interface */
748 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 64))
750 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 128))
755 case 8: /* SCSI disk devices */
756 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 16))
757 return "/dev/sda"; // First SCSI disk whole disk
759 if((disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 32))
760 return "/dev/sdb";// Second SCSI disk whole disk
762 if((disk_data
->minor_number
>= 32) && (disk_data
->minor_number
< 48))
763 return "/dev/sdc";// Third SCSI disk whole disk
765 if((disk_data
->minor_number
>= 48) && (disk_data
->minor_number
< 64))
766 return "/dev/sdd";// Fourth SCSI disk whole disk
768 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 80))
769 return "/dev/sde";// Fifth SCSI disk whole disk
771 if((disk_data
->minor_number
>= 80) && (disk_data
->minor_number
< 96))
772 return "/dev/sdf";// Sixth SCSI disk whole disk
774 if((disk_data
->minor_number
>= 96) && (disk_data
->minor_number
< 112))
775 return "/dev/sdg";// seventh SCSI disk whole disk
777 if((disk_data
->minor_number
>= 112) && (disk_data
->minor_number
< 128))
778 return "/dev/sdh";// eighth SCSI disk whole disk
780 if((disk_data
->minor_number
>= 128) && (disk_data
->minor_number
< 144))
781 return "/dev/sdi";// 9th SCSI disk whole disk
783 if((disk_data
->minor_number
>= 144) && (disk_data
->minor_number
< 160))
784 return "/dev/sdj";// 10th SCSI disk whole disk
786 if((disk_data
->minor_number
>= 160) && (disk_data
->minor_number
< 176))
787 return "/dev/sdk";// 11th SCSI disk whole disk
789 if((disk_data
->minor_number
>= 176) && (disk_data
->minor_number
< 192))
790 return "/dev/sdl";// 12th SCSI disk whole disk
792 if((disk_data
->minor_number
>= 192) && (disk_data
->minor_number
< 208))
793 return "/dev/sdm";// 13th SCSI disk whole disk
795 if((disk_data
->minor_number
>= 208) && (disk_data
->minor_number
< 224))
796 return "/dev/sdn";// 14th SCSI disk whole disk
798 if((disk_data
->minor_number
>= 224) && (disk_data
->minor_number
< 240))
799 return "/dev/sdo";// 15th SCSI disk whole disk
801 if((disk_data
->minor_number
>= 240) && (disk_data
->minor_number
< 256))
802 return "/dev/sdp";// 16th SCSI disk whole disk
805 case 65: /* SCSI disk devices */
806 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 16))
809 if((disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 32))
812 if((disk_data
->minor_number
>= 32) && (disk_data
->minor_number
< 48))
815 if((disk_data
->minor_number
>= 48) && (disk_data
->minor_number
< 64))
818 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 80))
821 if((disk_data
->minor_number
>= 80) && (disk_data
->minor_number
< 96))
824 if((disk_data
->minor_number
>= 96) && (disk_data
->minor_number
< 112))
827 if((disk_data
->minor_number
>= 112) && (disk_data
->minor_number
< 128))
830 if((disk_data
->minor_number
>= 128) && (disk_data
->minor_number
< 144))
833 if((disk_data
->minor_number
>= 144) && (disk_data
->minor_number
< 160))
836 if((disk_data
->minor_number
>= 160) && (disk_data
->minor_number
< 176))
839 if((disk_data
->minor_number
>= 176) && (disk_data
->minor_number
< 192))
842 if((disk_data
->minor_number
>= 192) && (disk_data
->minor_number
< 208))
845 if((disk_data
->minor_number
>= 208) && (disk_data
->minor_number
< 224))
848 if((disk_data
->minor_number
>= 224) && (disk_data
->minor_number
< 240))
851 if((disk_data
->minor_number
>= 240) && (disk_data
->minor_number
< 256))
855 case 66: /* SCSI disk devices */
856 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 16))
859 if((disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 32))
862 if((disk_data
->minor_number
>= 32) && (disk_data
->minor_number
< 48))
865 if((disk_data
->minor_number
>= 48) && (disk_data
->minor_number
< 64))
868 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 80))
871 if((disk_data
->minor_number
>= 80) && (disk_data
->minor_number
< 96))
874 if((disk_data
->minor_number
>= 96) && (disk_data
->minor_number
< 112))
877 if((disk_data
->minor_number
>= 112) && (disk_data
->minor_number
< 128))
880 if((disk_data
->minor_number
>= 128) && (disk_data
->minor_number
< 144))
883 if((disk_data
->minor_number
>= 144) && (disk_data
->minor_number
< 160))
886 if((disk_data
->minor_number
>= 160) && (disk_data
->minor_number
< 176))
889 if((disk_data
->minor_number
>= 176) && (disk_data
->minor_number
< 192))
892 if((disk_data
->minor_number
>= 192) && (disk_data
->minor_number
< 208))
895 if((disk_data
->minor_number
>= 208) && (disk_data
->minor_number
< 224))
898 if((disk_data
->minor_number
>= 224) && (disk_data
->minor_number
< 240))
901 if((disk_data
->minor_number
>= 240) && (disk_data
->minor_number
< 256))
906 case 67: /* SCSI disk devices */
907 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 16))
910 if((disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 32))
913 if((disk_data
->minor_number
>= 32) && (disk_data
->minor_number
< 48))
916 if((disk_data
->minor_number
>= 48) && (disk_data
->minor_number
< 64))
919 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 80))
922 if((disk_data
->minor_number
>= 80) && (disk_data
->minor_number
< 96))
925 if((disk_data
->minor_number
>= 96) && (disk_data
->minor_number
< 112))
928 if((disk_data
->minor_number
>= 112) && (disk_data
->minor_number
< 128))
931 if((disk_data
->minor_number
>= 128) && (disk_data
->minor_number
< 144))
934 if((disk_data
->minor_number
>= 144) && (disk_data
->minor_number
< 160))
937 if((disk_data
->minor_number
>= 160) && (disk_data
->minor_number
< 176))
940 if((disk_data
->minor_number
>= 176) && (disk_data
->minor_number
< 192))
943 if((disk_data
->minor_number
>= 192) && (disk_data
->minor_number
< 208))
946 if((disk_data
->minor_number
>= 208) && (disk_data
->minor_number
< 224))
949 if((disk_data
->minor_number
>= 224) && (disk_data
->minor_number
< 240))
952 if((disk_data
->minor_number
>= 240) && (disk_data
->minor_number
< 256))
956 case 68 : /* SCSI disk devices */
957 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 16))
960 if((disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 32))
963 if((disk_data
->minor_number
>= 32) && (disk_data
->minor_number
< 48))
966 if((disk_data
->minor_number
>= 48) && (disk_data
->minor_number
< 64))
969 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 80))
972 if((disk_data
->minor_number
>= 80) && (disk_data
->minor_number
< 96))
975 if((disk_data
->minor_number
>= 96) && (disk_data
->minor_number
< 112))
978 if((disk_data
->minor_number
>= 112) && (disk_data
->minor_number
< 128))
981 if((disk_data
->minor_number
>= 128) && (disk_data
->minor_number
< 144))
984 if((disk_data
->minor_number
>= 144) && (disk_data
->minor_number
< 160))
987 if((disk_data
->minor_number
>= 160) && (disk_data
->minor_number
< 176))
990 if((disk_data
->minor_number
>= 176) && (disk_data
->minor_number
< 192))
993 if((disk_data
->minor_number
>= 192) && (disk_data
->minor_number
< 208))
996 if((disk_data
->minor_number
>= 208) && (disk_data
->minor_number
< 224))
999 if((disk_data
->minor_number
>= 224) && (disk_data
->minor_number
< 240))
1002 if((disk_data
->minor_number
>= 240) && (disk_data
->minor_number
< 256))
1005 case 69 : /* SCSI disk devices */
1006 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 16))
1009 if((disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 32))
1012 if((disk_data
->minor_number
>= 32) && (disk_data
->minor_number
< 48))
1015 if((disk_data
->minor_number
>= 48) && (disk_data
->minor_number
< 64))
1018 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 80))
1021 if((disk_data
->minor_number
>= 80) && (disk_data
->minor_number
< 96))
1024 if((disk_data
->minor_number
>= 96) && (disk_data
->minor_number
< 112))
1027 if((disk_data
->minor_number
>= 112) && (disk_data
->minor_number
< 128))
1030 if((disk_data
->minor_number
>= 128) && (disk_data
->minor_number
< 144))
1033 if((disk_data
->minor_number
>= 144) && (disk_data
->minor_number
< 160))
1036 if((disk_data
->minor_number
>= 160) && (disk_data
->minor_number
< 176))
1039 if((disk_data
->minor_number
>= 176) && (disk_data
->minor_number
< 192))
1042 if((disk_data
->minor_number
>= 192) && (disk_data
->minor_number
< 208))
1045 if((disk_data
->minor_number
>= 208) && (disk_data
->minor_number
< 224))
1048 if((disk_data
->minor_number
>= 224) && (disk_data
->minor_number
< 240))
1051 if((disk_data
->minor_number
>= 240) && (disk_data
->minor_number
< 256))
1056 case 70 : /* SCSI disk devices */
1057 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 16))
1060 if((disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 32))
1063 if((disk_data
->minor_number
>= 32) && (disk_data
->minor_number
< 48))
1066 if((disk_data
->minor_number
>= 48) && (disk_data
->minor_number
< 64))
1069 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 80))
1072 if((disk_data
->minor_number
>= 80) && (disk_data
->minor_number
< 96))
1075 if((disk_data
->minor_number
>= 96) && (disk_data
->minor_number
< 112))
1078 if((disk_data
->minor_number
>= 112) && (disk_data
->minor_number
< 128))
1081 if((disk_data
->minor_number
>= 128) && (disk_data
->minor_number
< 144))
1084 if((disk_data
->minor_number
>= 144) && (disk_data
->minor_number
< 160))
1087 if((disk_data
->minor_number
>= 160) && (disk_data
->minor_number
< 176))
1090 if((disk_data
->minor_number
>= 176) && (disk_data
->minor_number
< 192))
1093 if((disk_data
->minor_number
>= 192) && (disk_data
->minor_number
< 208))
1096 if((disk_data
->minor_number
>= 208) && (disk_data
->minor_number
< 224))
1099 if((disk_data
->minor_number
>= 224) && (disk_data
->minor_number
< 240))
1102 if((disk_data
->minor_number
>= 240) && (disk_data
->minor_number
< 256))
1106 case 71: /* SCSI disk devices */
1107 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 16))
1110 if((disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 32))
1113 if((disk_data
->minor_number
>= 32) && (disk_data
->minor_number
< 48))
1116 if((disk_data
->minor_number
>= 48) && (disk_data
->minor_number
< 64))
1119 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 80))
1122 if((disk_data
->minor_number
>= 80) && (disk_data
->minor_number
< 96))
1125 if((disk_data
->minor_number
>= 96) && (disk_data
->minor_number
< 112))
1128 if((disk_data
->minor_number
>= 112) && (disk_data
->minor_number
< 128))
1131 if((disk_data
->minor_number
>= 128) && (disk_data
->minor_number
< 144))
1134 if((disk_data
->minor_number
>= 144) && (disk_data
->minor_number
< 160))
1137 if((disk_data
->minor_number
>= 160) && (disk_data
->minor_number
< 176))
1140 if((disk_data
->minor_number
>= 176) && (disk_data
->minor_number
< 192))
1143 if((disk_data
->minor_number
>= 192) && (disk_data
->minor_number
< 208))
1146 if((disk_data
->minor_number
>= 208) && (disk_data
->minor_number
< 224))
1149 if((disk_data
->minor_number
>= 224) && (disk_data
->minor_number
< 240))
1152 if((disk_data
->minor_number
>= 240) && (disk_data
->minor_number
< 256))
1156 case 128: /* SCSI disk devices */
1157 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 16))
1160 if((disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 32))
1163 if((disk_data
->minor_number
>= 32) && (disk_data
->minor_number
< 48))
1166 if((disk_data
->minor_number
>= 48) && (disk_data
->minor_number
< 64))
1169 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 80))
1172 if((disk_data
->minor_number
>= 80) && (disk_data
->minor_number
< 96))
1175 if((disk_data
->minor_number
>= 96) && (disk_data
->minor_number
< 112))
1178 if((disk_data
->minor_number
>= 112) && (disk_data
->minor_number
< 128))
1181 if((disk_data
->minor_number
>= 128) && (disk_data
->minor_number
< 144))
1184 if((disk_data
->minor_number
>= 144) && (disk_data
->minor_number
< 160))
1187 if((disk_data
->minor_number
>= 160) && (disk_data
->minor_number
< 176))
1190 if((disk_data
->minor_number
>= 176) && (disk_data
->minor_number
< 192))
1193 if((disk_data
->minor_number
>= 192) && (disk_data
->minor_number
< 208))
1196 if((disk_data
->minor_number
>= 208) && (disk_data
->minor_number
< 224))
1199 if((disk_data
->minor_number
>= 224) && (disk_data
->minor_number
< 240))
1202 if((disk_data
->minor_number
>= 240) && (disk_data
->minor_number
< 256))
1206 case 129: /* SCSI disk devices */
1207 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 16))
1210 if((disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 32))
1213 if((disk_data
->minor_number
>= 32) && (disk_data
->minor_number
< 48))
1216 if((disk_data
->minor_number
>= 48) && (disk_data
->minor_number
< 64))
1219 if((disk_data
->minor_number
>= 64) && (disk_data
->minor_number
< 80))
1222 if((disk_data
->minor_number
>= 80) && (disk_data
->minor_number
< 96))
1225 if((disk_data
->minor_number
>= 96) && (disk_data
->minor_number
< 112))
1228 if((disk_data
->minor_number
>= 112) && (disk_data
->minor_number
< 128))
1231 if((disk_data
->minor_number
>= 128) && (disk_data
->minor_number
< 144))
1234 if((disk_data
->minor_number
>= 144) && (disk_data
->minor_number
< 160))
1237 if((disk_data
->minor_number
>= 160) && (disk_data
->minor_number
< 176))
1240 if((disk_data
->minor_number
>= 176) && (disk_data
->minor_number
< 192))
1243 if((disk_data
->minor_number
>= 192) && (disk_data
->minor_number
< 208))
1246 if((disk_data
->minor_number
>= 208) && (disk_data
->minor_number
< 224))
1249 if((disk_data
->minor_number
>= 224) && (disk_data
->minor_number
< 240))
1252 if((disk_data
->minor_number
>= 240) && (disk_data
->minor_number
< 256))
1255 /*USB block devices*/
1257 if( (disk_data
->minor_number
>= 0) && (disk_data
->minor_number
< 8))
1259 if( (disk_data
->minor_number
>= 8) && (disk_data
->minor_number
< 16))
1261 if( (disk_data
->minor_number
>= 16) && (disk_data
->minor_number
< 24))
1269 LTTV_MODULE("diskperformance", "disk info view", \
1270 "Produce disk I/O performance", \
1271 init
, destroy
, "lttvwindow")