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1 | 3081d1f9bb20b2b64a192585337a292a9804e0c5 LFR_basic-parameters |
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1 | 29f7f58cbebc19532376c16541841ac4cb5f234c LFR_basic-parameters | |
2 | f5b83fb540b1cfd5d87c68621fb53f238eb623ae header/lfr_common_headers |
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2 | f5b83fb540b1cfd5d87c68621fb53f238eb623ae header/lfr_common_headers |
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1 | /* |
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1 | /* | |
2 | * CPU Usage Reporter |
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2 | * CPU Usage Reporter | |
3 | * |
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3 | * | |
4 | * COPYRIGHT (c) 1989-2009 |
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4 | * COPYRIGHT (c) 1989-2009 | |
5 | * On-Line Applications Research Corporation (OAR). |
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5 | * On-Line Applications Research Corporation (OAR). | |
6 | * |
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6 | * | |
7 | * The license and distribution terms for this file may be |
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7 | * The license and distribution terms for this file may be | |
8 | * found in the file LICENSE in this distribution or at |
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8 | * found in the file LICENSE in this distribution or at | |
9 | * http://www.rtems.com/license/LICENSE. |
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9 | * http://www.rtems.com/license/LICENSE. | |
10 | * |
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10 | * | |
11 | * $Id$ |
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11 | * $Id$ | |
12 | */ |
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12 | */ | |
13 |
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13 | |||
14 | #include "lfr_cpu_usage_report.h" |
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14 | #include "lfr_cpu_usage_report.h" | |
15 | #include "fsw_params.h" |
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15 | #include "fsw_params.h" | |
16 |
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16 | |||
17 | extern rtems_id Task_id[]; |
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17 | extern rtems_id Task_id[]; | |
18 |
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18 | |||
19 | unsigned char lfr_rtems_cpu_usage_report( void ) |
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19 | unsigned char lfr_rtems_cpu_usage_report( void ) | |
20 | { |
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20 | { | |
21 | uint32_t api_index; |
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21 | uint32_t api_index; | |
22 | uint32_t information_index; |
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22 | uint32_t information_index; | |
23 | Thread_Control *the_thread; |
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23 | Thread_Control *the_thread; | |
24 | Objects_Information *information; |
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24 | Objects_Information *information; | |
25 | uint32_t ival; |
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25 | uint32_t ival; | |
26 | uint32_t fval; |
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26 | uint32_t fval; | |
27 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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27 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ | |
28 | Timestamp_Control uptime; |
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28 | Timestamp_Control uptime; | |
29 | Timestamp_Control total; |
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29 | Timestamp_Control total; | |
30 | Timestamp_Control ran; |
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30 | Timestamp_Control ran; | |
31 |
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31 | |||
32 | #else |
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32 | #else | |
33 | #error "Can't compute CPU usage using ticks on LFR" |
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33 | #error "Can't compute CPU usage using ticks on LFR" | |
34 | #endif |
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34 | #endif | |
35 |
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35 | |||
36 | unsigned char cpu_load; |
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36 | unsigned char cpu_load; | |
37 |
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37 | |||
38 | ival = 0; |
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38 | ival = 0; | |
39 | cpu_load = 0; |
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39 | cpu_load = 0; | |
40 |
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40 | |||
41 | for ( api_index = 1 ; api_index <= OBJECTS_APIS_LAST ; api_index++ ) |
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41 | for ( api_index = 1 ; api_index <= OBJECTS_APIS_LAST ; api_index++ ) | |
42 | { |
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42 | { | |
43 | if ( !_Objects_Information_table[ api_index ] ) { } |
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43 | if ( !_Objects_Information_table[ api_index ] ) { } | |
44 | else |
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44 | else | |
45 | { |
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45 | { | |
46 | information = _Objects_Information_table[ api_index ][ 1 ]; |
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46 | information = _Objects_Information_table[ api_index ][ 1 ]; | |
47 | if ( information != NULL ) |
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47 | if ( information != NULL ) | |
48 | { |
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48 | { | |
49 | for(information_index=1;information_index<=information->maximum;information_index++) |
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49 | for(information_index=1;information_index<=information->maximum;information_index++) | |
50 | { |
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50 | { | |
51 | the_thread = (Thread_Control *)information->local_table[ information_index ]; |
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51 | the_thread = (Thread_Control *)information->local_table[ information_index ]; | |
52 |
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52 | |||
53 | if ( the_thread == NULL) { } |
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53 | if ( the_thread == NULL) { } | |
54 | else if(the_thread->Object.id == Task_id[TASKID_SCRB]) // Only measure scrubbing task load, CPU load is 100%-Scrubbing |
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54 | else if(the_thread->Object.id == Task_id[TASKID_SCRB]) // Only measure scrubbing task load, CPU load is 100%-Scrubbing | |
55 | { |
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55 | { | |
56 | _TOD_Get_uptime( &uptime ); |
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56 | _TOD_Get_uptime( &uptime ); | |
57 | _Timestamp_Subtract( &CPU_usage_Uptime_at_last_reset, &uptime, &total ); |
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57 | _Timestamp_Subtract( &CPU_usage_Uptime_at_last_reset, &uptime, &total ); | |
58 | ran = the_thread->cpu_time_used; |
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58 | ran = the_thread->cpu_time_used; | |
59 | _Timestamp_Divide( &ran, &total, &ival, &fval); |
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59 | _Timestamp_Divide( &ran, &total, &ival, &fval); | |
60 | cpu_load = (unsigned char)(CONST_255 - ((ival*CONST_10+fval/CONST_100)*CONST_256/CONST_1000)); |
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60 | cpu_load = (unsigned char) (CONST_255 - ((((ival*CONST_10) + (fval/CONST_100))*CONST_256)/CONST_1000)); | |
61 | } |
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61 | } | |
62 | } |
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62 | } | |
63 | } |
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63 | } | |
64 | } |
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64 | } | |
65 | } |
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65 | } | |
66 | return cpu_load; |
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66 | return cpu_load; | |
67 | } |
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67 | } | |
68 |
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68 | |||
69 |
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69 |
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