diff options
Diffstat (limited to 'gprofng/testsuite/gprofng.display/synprog/so_syn.c')
-rw-r--r-- | gprofng/testsuite/gprofng.display/synprog/so_syn.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/gprofng/testsuite/gprofng.display/synprog/so_syn.c b/gprofng/testsuite/gprofng.display/synprog/so_syn.c new file mode 100644 index 00000000000..6fc5aa61163 --- /dev/null +++ b/gprofng/testsuite/gprofng.display/synprog/so_syn.c @@ -0,0 +1,69 @@ +/* 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 so_burncpu (); + +int +so_cputime () +{ + wlog ("start of so_cputime", NULL); + + /* put a memory leak in here */ + (void) malloc (13); + + fprintf (stderr, "so_burncpu @ 0x%08x\n", (unsigned int) so_burncpu); + so_burncpu (); + + wlog ("end of so_cputime", NULL); + return 13; +} + +void so_init () __attribute__ ((constructor)); + +void +so_init () +{ + fprintf (stderr, "so_init executed\n"); +} + +/* so_burncpu - loop to use a bunch of user time */ +void +so_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, "so_burncpu", NULL); +} |