15 gettimeofday (&tv, NULL);
16 return (tv.tv_sec + tv.tv_usec / 1000000.0);
20 unsigned long msgs_alloc;
21 unsigned long msgs_max;
23 unsigned long send_count;
24 unsigned long recv_count;
25 unsigned long route_count;
26 unsigned long drop_count;
27 unsigned long long send_length;
28 unsigned long long recv_length;
29 unsigned long long route_length;
30 unsigned long long drop_length;
33 unsigned long long subull(unsigned long long a, unsigned long long b)
36 return -1ULL - b + a + 1;
41 unsigned long long subul(unsigned long a, unsigned long b)
44 return -1UL - b + a + 1;
49 double rul(unsigned long a, double secs)
51 return (double)a/secs;
54 double rull(unsigned long long a, double secs)
56 return (double)a/secs;
62 static char buffer[1024];
63 static double last = 0.0;
64 static counters_t old_counter;
67 counters_t new_counter;
71 lseek (fd, 0, SEEK_SET);
73 n = read (fd, buffer, sizeof (buffer));
76 fprintf (stderr, "Can't read statfile\n");
81 n = sscanf (buffer, "%lu %lu %lu %lu %lu %lu %lu %Lu %Lu %Lu %Lu",
82 &new_counter.msgs_alloc, &new_counter.msgs_max,
84 &new_counter.send_count, &new_counter.recv_count,
85 &new_counter.route_count, &new_counter.drop_count,
86 &new_counter.send_length, &new_counter.recv_length,
87 &new_counter.route_length, &new_counter.drop_length);
90 fprintf (stderr, "Can't parse statfile\n");
95 printf ("M %lu(%lu) E %lu S %lu/%llu R %lu/%llu F %lu/%llu D %lu/%llu\n",
96 new_counter.msgs_alloc, new_counter.msgs_max,
98 new_counter.send_count, new_counter.send_length,
99 new_counter.recv_count, new_counter.recv_length,
100 new_counter.route_count, new_counter.route_length,
101 new_counter.drop_count, new_counter.drop_length);
105 counter.msgs_alloc = new_counter.msgs_alloc;
106 counter.msgs_max = new_counter.msgs_max;
108 counter.errors = subul(new_counter.errors, old_counter.errors);
109 counter.send_count = subul(new_counter.send_count, old_counter.send_count);
110 counter.recv_count = subul(new_counter.recv_count, old_counter.recv_count);
111 counter.route_count = subul(new_counter.route_count, old_counter.route_count);
112 counter.drop_count = subul(new_counter.drop_count, old_counter.drop_count);
113 counter.send_length = subull(new_counter.send_length, old_counter.send_length);
114 counter.recv_length = subull(new_counter.recv_length, old_counter.recv_length);
115 counter.route_length = subull(new_counter.route_length, old_counter.route_length);
116 counter.drop_length = subull(new_counter.drop_length, old_counter.drop_length);
118 printf ("M %3lu(%3lu) E %0.0f S %7.2f/%6.0f R %7.2f/%6.0f F %7.2f/%6.0f D %4.2f/%0.0f\n",
119 counter.msgs_alloc, counter.msgs_max,
120 rul(counter.errors,t),
121 rull(counter.send_length,t*1024.0*1024.0), rul(counter.send_count, t),
122 rull(counter.recv_length,t*1024.0*1024.0), rul(counter.recv_count, t),
123 rull(counter.route_length,t*1024.0*1024.0), rul(counter.route_count, t),
124 rull(counter.drop_length,t*1024.0*1024.0), rul(counter.drop_count, t));
127 old_counter = new_counter;
130 lseek (fd, 0, SEEK_SET);
134 int main (int argc, char **argv)
140 interval = atoi (argv[1]);
142 fd = open ("/proc/sys/lnet/stats", O_RDONLY);
145 fprintf (stderr, "Can't open stat: %s\n", strerror (errno));