X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lnet%2Futils%2Frouterstat.c;h=f31f8114886087fc58878d3760c9c152f7cbd218;hp=0b4e5135539fabf0fdad7e63bb49d2a7bf73f6b8;hb=861c70ff6e3371c752d53fcb71cdc54fe74cd3c2;hpb=3d3bc28fb48d858bbe6a66ab567a13eeb0b86c40 diff --git a/lnet/utils/routerstat.c b/lnet/utils/routerstat.c index 0b4e513..f31f811 100644 --- a/lnet/utils/routerstat.c +++ b/lnet/utils/routerstat.c @@ -1,3 +1,39 @@ +/* + * GPL HEADER START + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. + * + * 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 version 2 for more details (a copy is included + * in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see + * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + * GPL HEADER END + */ +/* + * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2011, Intel Corporation. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. + */ + #include #include #include @@ -11,7 +47,7 @@ double timenow () { struct timeval tv; - + gettimeofday (&tv, NULL); return (tv.tv_sec + tv.tv_usec / 1000000.0); } @@ -34,7 +70,7 @@ unsigned long long subull(unsigned long long a, unsigned long long b) { if (a < b) return -1ULL - b + a + 1; - + return a - b; } @@ -42,7 +78,7 @@ unsigned long long subul(unsigned long a, unsigned long b) { if (a < b) return -1UL - b + a + 1; - + return a - b; } @@ -67,18 +103,18 @@ do_stat (int fd) counters_t new_counter; counters_t counter; int n; - + lseek (fd, 0, SEEK_SET); now = timenow(); - n = read (fd, buffer, sizeof (buffer)); + n = read(fd, buffer, sizeof(buffer) - 1); if (n < 0) { fprintf (stderr, "Can't read statfile\n"); exit (1); - } + } buffer[n] = 0; - - n = sscanf (buffer, "%lu %lu %lu %lu %lu %lu %lu %Lu %Lu %Lu %Lu", + + n = sscanf(buffer, "%lu %lu %lu %lu %lu %lu %lu %llu %llu %llu %llu", &new_counter.msgs_alloc, &new_counter.msgs_max, &new_counter.errors, &new_counter.send_count, &new_counter.recv_count, @@ -90,21 +126,22 @@ do_stat (int fd) fprintf (stderr, "Can't parse statfile\n"); exit (1); } - + if (last == 0.0) { - printf ("M %lu(%lu) E %lu S %lu/%llu R %lu/%llu F %lu/%llu D %lu/%llu\n", + printf("M %lu(%lu) E %lu S %llu/%lu R %llu/%lu F %llu/%lu " + "D %llu/%lu\n", new_counter.msgs_alloc, new_counter.msgs_max, - new_counter.errors, - new_counter.send_count, new_counter.send_length, - new_counter.recv_count, new_counter.recv_length, - new_counter.route_count, new_counter.route_length, - new_counter.drop_count, new_counter.drop_length); + new_counter.errors, + new_counter.send_length, new_counter.send_count, + new_counter.recv_length, new_counter.recv_count, + new_counter.route_length, new_counter.route_count, + new_counter.drop_length, new_counter.drop_count); } else { t = now - last; counter.msgs_alloc = new_counter.msgs_alloc; counter.msgs_max = new_counter.msgs_max; - + counter.errors = subul(new_counter.errors, old_counter.errors); counter.send_count = subul(new_counter.send_count, old_counter.send_count); counter.recv_count = subul(new_counter.recv_count, old_counter.recv_count); @@ -126,7 +163,7 @@ do_stat (int fd) old_counter = new_counter; fflush (stdout); - + lseek (fd, 0, SEEK_SET); last = timenow(); } @@ -135,7 +172,7 @@ int main (int argc, char **argv) { int interval = 0; int fd; - + if (argc > 1) interval = atoi (argv[1]); @@ -145,11 +182,11 @@ int main (int argc, char **argv) fprintf (stderr, "Can't open stat: %s\n", strerror (errno)); return (1); } - + do_stat (fd); if (interval == 0) return (0); - + for (;;) { sleep (interval);