4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
44 #include <sys/types.h>
48 #include <libcfs/util/param.h>
55 gettimeofday (&tv, NULL);
56 return (tv.tv_sec + tv.tv_usec / 1000000.0);
60 unsigned long msgs_alloc;
61 unsigned long msgs_max;
63 unsigned long send_count;
64 unsigned long recv_count;
65 unsigned long route_count;
66 unsigned long drop_count;
67 unsigned long long send_length;
68 unsigned long long recv_length;
69 unsigned long long route_length;
70 unsigned long long drop_length;
73 unsigned long long subull(unsigned long long a, unsigned long long b)
76 return -1ULL - b + a + 1;
81 unsigned long long subul(unsigned long a, unsigned long b)
84 return -1UL - b + a + 1;
89 double rul(unsigned long a, double secs)
91 return (double)a/secs;
94 double rull(unsigned long long a, double secs)
96 return (double)a/secs;
102 static char buffer[1024];
103 static double last = 0.0;
104 static counters_t old_counter;
107 counters_t new_counter;
111 lseek (fd, 0, SEEK_SET);
113 n = read(fd, buffer, sizeof(buffer) - 1);
116 fprintf (stderr, "Can't read statfile\n");
121 n = sscanf(buffer, "%lu %lu %lu %lu %lu %lu %lu %llu %llu %llu %llu",
122 &new_counter.msgs_alloc, &new_counter.msgs_max,
124 &new_counter.send_count, &new_counter.recv_count,
125 &new_counter.route_count, &new_counter.drop_count,
126 &new_counter.send_length, &new_counter.recv_length,
127 &new_counter.route_length, &new_counter.drop_length);
130 fprintf (stderr, "Can't parse statfile\n");
135 printf("M %lu(%lu) E %lu S %llu/%lu R %llu/%lu F %llu/%lu "
137 new_counter.msgs_alloc, new_counter.msgs_max,
139 new_counter.send_length, new_counter.send_count,
140 new_counter.recv_length, new_counter.recv_count,
141 new_counter.route_length, new_counter.route_count,
142 new_counter.drop_length, new_counter.drop_count);
146 counter.msgs_alloc = new_counter.msgs_alloc;
147 counter.msgs_max = new_counter.msgs_max;
149 counter.errors = subul(new_counter.errors, old_counter.errors);
150 counter.send_count = subul(new_counter.send_count, old_counter.send_count);
151 counter.recv_count = subul(new_counter.recv_count, old_counter.recv_count);
152 counter.route_count = subul(new_counter.route_count, old_counter.route_count);
153 counter.drop_count = subul(new_counter.drop_count, old_counter.drop_count);
154 counter.send_length = subull(new_counter.send_length, old_counter.send_length);
155 counter.recv_length = subull(new_counter.recv_length, old_counter.recv_length);
156 counter.route_length = subull(new_counter.route_length, old_counter.route_length);
157 counter.drop_length = subull(new_counter.drop_length, old_counter.drop_length);
159 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",
160 counter.msgs_alloc, counter.msgs_max,
161 rul(counter.errors,t),
162 rull(counter.send_length,t*1024.0*1024.0), rul(counter.send_count, t),
163 rull(counter.recv_length,t*1024.0*1024.0), rul(counter.recv_count, t),
164 rull(counter.route_length,t*1024.0*1024.0), rul(counter.route_count, t),
165 rull(counter.drop_length,t*1024.0*1024.0), rul(counter.drop_count, t));
168 old_counter = new_counter;
171 lseek (fd, 0, SEEK_SET);
175 int main(int argc, char **argv)
182 interval = atoi(argv[1]);
184 if (cfs_get_param_paths(&path, "stats") != 0) {
185 fprintf(stderr, "LNet stats not available\n");
189 fd = open(path.gl_pathv[0], O_RDONLY);
191 fprintf(stderr, "failed to open '%s': %s\n", path.gl_pathv[0],
193 cfs_free_param_data(&path);
196 cfs_free_param_data(&path);