X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lnet%2Futils%2Frouterstat.c;h=f31f8114886087fc58878d3760c9c152f7cbd218;hb=861c70ff6e3371c752d53fcb71cdc54fe74cd3c2;hp=e518022b6fe5f3985f93c87481aefe3680db44fc;hpb=b3de92bd906f0a9839bac57426be253b864c6e3d;p=fs%2Flustre-release.git diff --git a/lnet/utils/routerstat.c b/lnet/utils/routerstat.c index e518022..f31f811 100644 --- a/lnet/utils/routerstat.c +++ b/lnet/utils/routerstat.c @@ -1,6 +1,4 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: - * +/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. @@ -26,8 +24,10 @@ * GPL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * 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/ @@ -47,7 +47,7 @@ double timenow () { struct timeval tv; - + gettimeofday (&tv, NULL); return (tv.tv_sec + tv.tv_usec / 1000000.0); } @@ -70,7 +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; } @@ -78,7 +78,7 @@ unsigned long long subul(unsigned long a, unsigned long b) { if (a < b) return -1UL - b + a + 1; - + return a - b; } @@ -103,18 +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, @@ -126,9 +126,10 @@ 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_length, new_counter.send_count, @@ -140,7 +141,7 @@ do_stat (int fd) 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); @@ -162,7 +163,7 @@ do_stat (int fd) old_counter = new_counter; fflush (stdout); - + lseek (fd, 0, SEEK_SET); last = timenow(); } @@ -171,7 +172,7 @@ int main (int argc, char **argv) { int interval = 0; int fd; - + if (argc > 1) interval = atoi (argv[1]); @@ -181,11 +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);