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cprintftime.cc
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1 /*
2  * Copyright (c) 2002-2005 The Regents of The University of Michigan
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met: redistributions of source code must retain the above copyright
8  * notice, this list of conditions and the following disclaimer;
9  * redistributions in binary form must reproduce the above copyright
10  * notice, this list of conditions and the following disclaimer in the
11  * documentation and/or other materials provided with the distribution;
12  * neither the name of the copyright holders nor the names of its
13  * contributors may be used to endorse or promote products derived from
14  * this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * Authors: Nathan Binkert
29  */
30 
31 #include <iostream>
32 #include <list>
33 #include <sstream>
34 #include <string>
35 
36 #include "base/cprintf.hh"
37 
38 using namespace std;
39 
40 volatile int stop = false;
41 
42 void
43 handle_alarm(int signal)
44 {
45  stop = true;
46 }
47 
48 void
49 do_test(int seconds)
50 {
51  stop = false;
52  alarm(seconds);
53 }
54 
55 int
57 {
58  stringstream result;
59  int iterations = 0;
60 
61  signal(SIGALRM, handle_alarm);
62 
63  do_test(10);
64  while (!stop) {
65  stringstream result;
66  ccprintf(result,
67  "this is a %s of %d iterations %3.2f %#x\n",
68  "test", iterations, 51.934, &result);
69 
70  iterations += 1;
71  }
72 
73  cprintf("completed %d iterations of ccprintf in 10s, %f iterations/s\n",
74  iterations, iterations / 10.0);
75 
76  do_test(10);
77  while (!stop) {
78  char result[1024];
79  sprintf(result,
80  "this is a %s of %d iterations %3.2f %#x\n",
81  "test", iterations, 51.934, &result);
82 
83  iterations += 1;
84  }
85 
86  cprintf("completed %d iterations of sprintf in 10s, %f iterations/s\n",
87  iterations, iterations / 10.0);
88 
89  return 0;
90 }
void ccprintf(cp::Print &print)
Definition: cprintf.hh:130
void handle_alarm(int signal)
Definition: cprintftime.cc:43
void do_test(int seconds)
Definition: cprintftime.cc:49
volatile int stop
Definition: cprintftime.cc:40
void cprintf(const char *format, const Args &...args)
Definition: cprintf.hh:155
int main()
Definition: cprintftime.cc:56

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