[fc7bc51] | 1 | /* |
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| 2 | * CPU Usage Reporter |
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| 3 | * |
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[4da36c1a] | 4 | * COPYRIGHT (c) 1989-2007 |
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[fc7bc51] | 5 | * On-Line Applications Research Corporation (OAR). |
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| 6 | * |
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[98e4ebf5] | 7 | * The license and distribution terms for this file may be |
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| 8 | * found in the file LICENSE in this distribution or at |
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[3160ff6] | 9 | * http://www.rtems.com/license/LICENSE. |
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[fc7bc51] | 10 | * |
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[bc11ec2] | 11 | * $Id$ |
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[fc7bc51] | 12 | */ |
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| 13 | |
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[550c3df7] | 14 | #ifdef HAVE_CONFIG_H |
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| 15 | #include "config.h" |
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| 16 | #endif |
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| 17 | |
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[fc7bc51] | 18 | #include <rtems.h> |
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| 19 | |
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| 20 | #include <assert.h> |
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| 21 | #include <string.h> |
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| 22 | #include <stdlib.h> |
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[ca5fe67] | 23 | #include <ctype.h> |
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[3523321] | 24 | #include <inttypes.h> |
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[fc7bc51] | 25 | |
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[37de72b] | 26 | #include <rtems/cpuuse.h> |
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[eb64f2c6] | 27 | #include <rtems/bspIo.h> |
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[fc7bc51] | 28 | |
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[3e08d4e] | 29 | uint32_t CPU_usage_Ticks_at_last_reset; |
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[fc7bc51] | 30 | |
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| 31 | /*PAGE |
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| 32 | * |
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[bc11ec2] | 33 | * rtems_cpu_usage_report |
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[fc7bc51] | 34 | */ |
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| 35 | |
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[bc11ec2] | 36 | void rtems_cpu_usage_report( void ) |
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[fc7bc51] | 37 | { |
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[3e08d4e] | 38 | uint32_t i; |
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| 39 | uint32_t api_index; |
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[fc7bc51] | 40 | Thread_Control *the_thread; |
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| 41 | Objects_Information *information; |
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| 42 | char name[5]; |
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[1a561f8] | 43 | uint32_t ival, fval; |
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[3e08d4e] | 44 | uint32_t total_units = 0; |
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[fc7bc51] | 45 | |
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[63977bb4] | 46 | for ( api_index = 1 ; |
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| 47 | api_index <= OBJECTS_APIS_LAST ; |
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| 48 | api_index++ ) { |
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| 49 | if ( !_Objects_Information_table[ api_index ] ) |
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| 50 | continue; |
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| 51 | information = _Objects_Information_table[ api_index ][ 1 ]; |
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| 52 | if ( information ) { |
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[fc7bc51] | 53 | for ( i=1 ; i <= information->maximum ; i++ ) { |
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| 54 | the_thread = (Thread_Control *)information->local_table[ i ]; |
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[aed742c] | 55 | |
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[fc7bc51] | 56 | if ( the_thread ) |
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| 57 | total_units += the_thread->ticks_executed; |
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| 58 | } |
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| 59 | } |
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| 60 | } |
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| 61 | |
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[eb64f2c6] | 62 | printk( "CPU Usage by thread\n" |
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| 63 | " ID NAME TICKS PERCENT\n" |
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| 64 | ); |
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[fc7bc51] | 65 | |
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[aed742c] | 66 | for ( api_index = 1 ; |
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| 67 | api_index <= OBJECTS_APIS_LAST ; |
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[63977bb4] | 68 | api_index++ ) { |
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| 69 | if ( !_Objects_Information_table[ api_index ] ) |
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| 70 | continue; |
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| 71 | information = _Objects_Information_table[ api_index ][ 1 ]; |
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| 72 | if ( information ) { |
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[fc7bc51] | 73 | for ( i=1 ; i <= information->maximum ; i++ ) { |
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| 74 | the_thread = (Thread_Control *)information->local_table[ i ]; |
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[aed742c] | 75 | |
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[fc7bc51] | 76 | if ( !the_thread ) |
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| 77 | continue; |
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| 78 | |
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[eb64f2c6] | 79 | rtems_object_get_name( the_thread->Object.id, sizeof(name), name ); |
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[ca5fe67] | 80 | |
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[3523321] | 81 | ival = total_units ? |
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| 82 | the_thread->ticks_executed * 10000 / total_units : 0; |
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| 83 | fval = ival % 100; |
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| 84 | ival /= 100; |
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[eb64f2c6] | 85 | printk( |
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| 86 | "0x%08" PRIx32 " %4s %8" PRId32 " %3" PRId32 |
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| 87 | ".%02" PRId32"\n", |
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[fc7bc51] | 88 | the_thread->Object.id, |
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| 89 | name, |
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| 90 | the_thread->ticks_executed, |
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[3523321] | 91 | ival, |
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| 92 | fval |
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[fc7bc51] | 93 | ); |
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| 94 | } |
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| 95 | } |
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| 96 | } |
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| 97 | |
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[eb64f2c6] | 98 | printk( |
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[3523321] | 99 | "\nTicks since last reset = %" PRId32 "\n", |
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[fc7bc51] | 100 | _Watchdog_Ticks_since_boot - CPU_usage_Ticks_at_last_reset |
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| 101 | ); |
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[eb64f2c6] | 102 | printk( "\nTotal Units = %" PRId32 "\n", total_units ); |
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[fc7bc51] | 103 | } |
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| 104 | |
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[236b701] | 105 | static void CPU_usage_Per_thread_handler( |
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| 106 | Thread_Control *the_thread |
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| 107 | ) |
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| 108 | { |
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| 109 | the_thread->ticks_executed = 0; |
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| 110 | } |
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| 111 | |
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[bc11ec2] | 112 | /* |
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| 113 | * rtems_cpu_usage_reset |
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| 114 | */ |
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| 115 | void rtems_cpu_usage_reset( void ) |
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[fc7bc51] | 116 | { |
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| 117 | CPU_usage_Ticks_at_last_reset = _Watchdog_Ticks_since_boot; |
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| 118 | |
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[236b701] | 119 | rtems_iterate_over_all_threads(CPU_usage_Per_thread_handler); |
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[fc7bc51] | 120 | } |
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