117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
/*
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* Copyright (c) 2015-2017 Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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*/
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/**
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* @file
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* Wind River Titanium Cloud Maintenance Time Utility Header
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*/
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#include "timeUtil.h"
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typedef struct
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{
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bool init ;
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time_debug_type last_time ;
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time_debug_type this_time ;
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time_delta_type diff_time ;
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unsigned long under_50_msec ;
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unsigned long under_500_msec;
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unsigned long under_1_sec ;
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unsigned long under_2_sec ;
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unsigned long under_3_sec ;
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unsigned long under_5_sec ;
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unsigned long over_5_sec ;
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unsigned long counter ;
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} timeUtil_type ;
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static timeUtil_type time_struct ;
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void timeUtil_sched_init ( void )
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{
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gettime ( time_struct.last_time );
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time_struct.under_50_msec = 0 ;
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time_struct.under_500_msec = 0 ;
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time_struct.under_1_sec = 0 ;
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time_struct.under_2_sec = 0 ;
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time_struct.under_3_sec = 0 ;
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time_struct.under_5_sec = 0 ;
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time_struct.over_5_sec = 0 ;
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time_struct.counter = 0 ;
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time_struct.init = true ;
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}
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void scheduling_histogram ( void )
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{
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ilog ("Under: 50ms: %ld - 500ms:%ld - 1s:%ld - 2s:%ld - 3s:%ld - 5s:%ld ---- over:%ld\n",
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time_struct.under_50_msec,
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time_struct.under_500_msec,
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time_struct.under_1_sec,
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time_struct.under_2_sec,
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time_struct.under_3_sec,
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time_struct.under_5_sec,
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time_struct.over_5_sec);
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}
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void timeUtil_sched_sample ( void )
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{
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if ( time_struct.init == false )
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{
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elog ("Time struct not initialized\n");
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return ;
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}
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gettime ( time_struct.this_time );
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timedelta ( time_struct.last_time, time_struct.this_time, time_struct.diff_time );
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if ( time_struct.diff_time.secs == 0 )
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{
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if ( time_struct.diff_time.msecs < 50000 ) time_struct.under_50_msec++ ;
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else if ( time_struct.diff_time.msecs < 500000 ) time_struct.under_500_msec++ ;
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else time_struct.under_1_sec++ ;
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}
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else
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{
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if ( time_struct.diff_time.secs < 2 )
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{
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time_struct.under_2_sec++ ;
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}
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else if ( time_struct.diff_time.secs < 3 )
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{
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wlog (">>> Minor Scheduling delay: %ld.%3ld secs\n",
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time_struct.diff_time.secs,
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time_struct.diff_time.msecs );
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time_struct.under_3_sec++ ;
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}
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else if ( time_struct.diff_time.secs < 5 )
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{
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wlog (">>> Major Scheduling delay: %ld.%3ld secs\n",
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time_struct.diff_time.secs,
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time_struct.diff_time.msecs );
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time_struct.under_5_sec++ ;
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scheduling_histogram ( );
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}
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else
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{
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wlog (">>> Critical Scheduling delay: %ld.%3ld secs\n",
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time_struct.diff_time.secs,
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time_struct.diff_time.msecs );
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time_struct.over_5_sec++ ;
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scheduling_histogram ( );
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}
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}
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time_struct.last_time.ts.tv_sec = time_struct.this_time.ts.tv_sec ;
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time_struct.last_time.ts.tv_nsec = time_struct.this_time.ts.tv_nsec ;
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if ( ++time_struct.counter >= 1000 )
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{
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scheduling_histogram ( );
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time_struct.counter = 0 ;
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}
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}
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