mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-09-09 06:32:26 +08:00
f8b6a781fb
Casting pointers to unsigned int is generally problematic and hence compilers tend to warn about such. While here they're used only in fprintf(), it still seems better to omit such casts, even if only to avoid setting bad precedents.
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* 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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "stopwatch.h"
|
|
|
|
static void sx_burncpu ();
|
|
|
|
int
|
|
sx_cputime ()
|
|
{
|
|
wlog ("start of sx_cputime", NULL);
|
|
|
|
/* put a memory leak in here */
|
|
(void) malloc (13);
|
|
|
|
fprintf (stderr, "sx_burncpu @ %p\n", sx_burncpu);
|
|
sx_burncpu ();
|
|
wlog ("end of sx_cputime", NULL);
|
|
return 13;
|
|
}
|
|
|
|
void sx_init () __attribute__ ((constructor));
|
|
|
|
void
|
|
sx_init ()
|
|
{
|
|
fprintf (stderr, "sx_init executed\n");
|
|
}
|
|
|
|
/* sx_burncpu - loop to use a bunch of user time */
|
|
void
|
|
sx_burncpu ()
|
|
{
|
|
hrtime_t start = gethrtime ();
|
|
hrtime_t vstart = gethrvtime ();
|
|
volatile float x = 0.; /* temp variable for f.p. calculation */
|
|
long long count = 0;
|
|
do
|
|
{
|
|
x = 0.0;
|
|
for (int j = 0; j < 100000; j++)
|
|
x = x + 1.0;
|
|
count++;
|
|
}
|
|
while (start + testtime * 1e9 > gethrtime ());
|
|
|
|
fprintf (stderr, " Performed %lld while-loop iterations\n", count);
|
|
whrvlog (gethrtime () - start, gethrvtime () - vstart, "sx_burncpu", NULL);
|
|
}
|