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/* Copyright (C) 2021 Free Software Foundation, Inc.
Contributed by Oracle.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "config.h"
#include <assert.h>
#include "Sample.h"
#include "util.h"
#include "Exp_Layout.h"
Sample::Sample (int num)
{
number = num;
prusage = NULL;
start_time = end_time = 0;
start_label = end_label = NULL;
validated = false;
}
Sample::~Sample ()
{
delete prusage;
free (start_label);
free (end_label);
}
PrUsage *
Sample::get_usage ()
{
if (validated == false)
{
validate_usage ();
validated = true;
}
return prusage;
}
void
Sample::validate_usage ()
{
if (prusage == NULL || validated)
return;
validated = true;
// Make sure that none of the times are negative, force to zero if so
if (prusage->pr_utime < 0)
prusage->pr_utime = 0;
if (prusage->pr_stime < 0)
prusage->pr_stime = 0;
if (prusage->pr_ttime < 0)
prusage->pr_ttime = 0;
if (prusage->pr_tftime < 0)
prusage->pr_tftime = 0;
if (prusage->pr_dftime < 0)
prusage->pr_dftime = 0;
if (prusage->pr_kftime < 0)
prusage->pr_kftime = 0;
if (prusage->pr_ltime < 0)
prusage->pr_ltime = 0;
if (prusage->pr_slptime < 0)
prusage->pr_slptime = 0;
if (prusage->pr_wtime < 0)
prusage->pr_wtime = 0;
if (prusage->pr_stoptime < 0)
prusage->pr_stoptime = 0;
if (prusage->pr_rtime < 0)
prusage->pr_rtime = 0;
// Now make sure that the sum of states is >= prusage->pr_rtime
hrtime_t sum = prusage->pr_utime + prusage->pr_stime + prusage->pr_ttime
+ prusage->pr_tftime + prusage->pr_dftime + prusage->pr_kftime
+ prusage->pr_ltime + prusage->pr_slptime + prusage->pr_wtime
+ prusage->pr_stoptime;
sum = sum - prusage->pr_rtime;
if (sum < 0)// increment sleep time to make it match
prusage->pr_slptime = prusage->pr_slptime - sum;
}
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