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Diffstat (limited to 'gprofng/testsuite/gprofng.display/synprog/so_syn.c')
-rw-r--r--gprofng/testsuite/gprofng.display/synprog/so_syn.c69
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);
+}