1/* Copyright (C) 2021 Free Software Foundation, Inc. 2 Contributed by Oracle. 3 4 This file is part of GNU Binutils. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21#include "config.h" 22#include <assert.h> 23#include "Sample.h" 24#include "util.h" 25#include "Exp_Layout.h" 26 27Sample::Sample (int num) 28{ 29 number = num; 30 prusage = NULL; 31 start_time = end_time = 0; 32 start_label = end_label = NULL; 33 validated = false; 34} 35 36Sample::~Sample () 37{ 38 delete prusage; 39 free (start_label); 40 free (end_label); 41} 42 43PrUsage * 44Sample::get_usage () 45{ 46 if (validated == false) 47 { 48 validate_usage (); 49 validated = true; 50 } 51 return prusage; 52} 53 54void 55Sample::validate_usage () 56{ 57 if (prusage == NULL || validated) 58 return; 59 validated = true; 60 61 // Make sure that none of the times are negative, force to zero if so 62 if (prusage->pr_utime < 0) 63 prusage->pr_utime = 0; 64 if (prusage->pr_stime < 0) 65 prusage->pr_stime = 0; 66 if (prusage->pr_ttime < 0) 67 prusage->pr_ttime = 0; 68 if (prusage->pr_tftime < 0) 69 prusage->pr_tftime = 0; 70 if (prusage->pr_dftime < 0) 71 prusage->pr_dftime = 0; 72 if (prusage->pr_kftime < 0) 73 prusage->pr_kftime = 0; 74 if (prusage->pr_ltime < 0) 75 prusage->pr_ltime = 0; 76 if (prusage->pr_slptime < 0) 77 prusage->pr_slptime = 0; 78 if (prusage->pr_wtime < 0) 79 prusage->pr_wtime = 0; 80 if (prusage->pr_stoptime < 0) 81 prusage->pr_stoptime = 0; 82 if (prusage->pr_rtime < 0) 83 prusage->pr_rtime = 0; 84 85 // Now make sure that the sum of states is >= prusage->pr_rtime 86 hrtime_t sum = prusage->pr_utime + prusage->pr_stime + prusage->pr_ttime 87 + prusage->pr_tftime + prusage->pr_dftime + prusage->pr_kftime 88 + prusage->pr_ltime + prusage->pr_slptime + prusage->pr_wtime 89 + prusage->pr_stoptime; 90 91 sum = sum - prusage->pr_rtime; 92 if (sum < 0)// increment sleep time to make it match 93 prusage->pr_slptime = prusage->pr_slptime - sum; 94} 95