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https://github.com/espressif/binutils-gdb.git
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bb368aad29
top-level * Makefile.def: Add gprofng module. * configure.ac: Add --enable-gprofng option. * src-release.sh: Add gprofng. * Makefile.in: Regenerate. * configure: Regenerate. * gprofng: New directory. binutils * MAINTAINERS: Add gprofng maintainer. * README-how-to-make-a-release: Add gprofng. include. * collectorAPI.h: New file. * libcollector.h: New file. * libfcollector.h: New file.
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/* Copyright (C) 2021 Free Software Foundation, Inc.
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Contributed by Oracle.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include "stopwatch.h"
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static void so_burncpu ();
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int
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so_cputime ()
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{
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wlog ("start of so_cputime", NULL);
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/* put a memory leak in here */
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(void) malloc (13);
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fprintf (stderr, "so_burncpu @ 0x%08x\n", (unsigned int) so_burncpu);
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so_burncpu ();
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wlog ("end of so_cputime", NULL);
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return 13;
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}
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void so_init () __attribute__ ((constructor));
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void
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so_init ()
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{
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fprintf (stderr, "so_init executed\n");
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}
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/* so_burncpu - loop to use a bunch of user time */
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void
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so_burncpu ()
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{
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hrtime_t start = gethrtime ();
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hrtime_t vstart = gethrvtime ();
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volatile float x = 0.; /* temp variable for f.p. calculation */
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long long count = 0;
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do
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{
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x = 0.0;
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for (int j = 0; j < 100000; j++)
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x = x + 1.0;
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count++;
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}
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while (start + testtime * 1e9 > gethrtime ());
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fprintf (stderr, " Performed %lld while-loop iterations\n", count);
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whrvlog (gethrtime () - start, gethrvtime () - vstart, "so_burncpu", NULL);
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}
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