gem5  v21.2.1.1
cprintftime.cc
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1 /*
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28 
29 #include <unistd.h>
30 
31 #include <csignal>
32 #include <iostream>
33 #include <list>
34 #include <sstream>
35 #include <string>
36 
37 #include "base/cprintf.hh"
38 
39 volatile int stop = false;
40 
41 void
42 handle_alarm(int signal)
43 {
44  stop = true;
45 }
46 
47 void
48 do_test(int seconds)
49 {
50  stop = false;
51  alarm(seconds);
52 }
53 
54 int
56 {
57  std::stringstream result;
58  int iterations = 0;
59 
60  signal(SIGALRM, handle_alarm);
61 
62  do_test(10);
63  while (!stop) {
64  std::stringstream result;
65  gem5::ccprintf(result,
66  "this is a %s of %d iterations %3.2f %p\n",
67  "test", iterations, 51.934, &result);
68 
69  iterations += 1;
70  }
71 
73  "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  int dummy;
80  sprintf(result,
81  "this is a %s of %d iterations %3.2f %p\n",
82  "test", iterations, 51.934, &dummy);
83 
84  iterations += 1;
85  }
86 
88  "completed %d iterations of sprintf in 10s, %f iterations/s\n",
89  iterations, iterations / 10.0);
90 
91  return 0;
92 }
do_test
void do_test(int seconds)
Definition: cprintftime.cc:48
gem5::cprintf
void cprintf(const char *format, const Args &...args)
Definition: cprintf.hh:155
gem5::ccprintf
void ccprintf(cp::Print &print)
Definition: cprintf.hh:130
stop
volatile int stop
Definition: cprintftime.cc:39
cprintf.hh
main
int main()
Definition: cprintftime.cc:55
handle_alarm
void handle_alarm(int signal)
Definition: cprintftime.cc:42

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