-#include <stdio.h>
+/*
+ * 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.gnu.org/licenses/gpl-2.0.html
+ *
+ * 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 <errno.h>
-#include <string.h>
#include <fcntl.h>
-#include <unistd.h>
+#include <glob.h>
+#include <limits.h>
+#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include <sys/types.h>
#include <sys/time.h>
+#include <unistd.h>
+
+#include <libcfs/util/param.h>
double
timenow ()
{
struct timeval tv;
-
+
gettimeofday (&tv, NULL);
return (tv.tv_sec + tv.tv_usec / 1000000.0);
}
+typedef struct {
+ unsigned long msgs_alloc;
+ unsigned long msgs_max;
+ unsigned long errors;
+ unsigned long send_count;
+ unsigned long recv_count;
+ unsigned long route_count;
+ unsigned long drop_count;
+ unsigned long long send_length;
+ unsigned long long recv_length;
+ unsigned long long route_length;
+ unsigned long long drop_length;
+} counters_t;
+
+unsigned long long subull(unsigned long long a, unsigned long long b)
+{
+ if (a < b)
+ return -1ULL - b + a + 1;
+
+ return a - b;
+}
+
+unsigned long long subul(unsigned long a, unsigned long b)
+{
+ if (a < b)
+ return -1UL - b + a + 1;
+
+ return a - b;
+}
+
+double rul(unsigned long a, double secs)
+{
+ return (double)a/secs;
+}
+
+double rull(unsigned long long a, double secs)
+{
+ return (double)a/secs;
+}
+
void
do_stat (int fd)
{
static char buffer[1024];
static double last = 0.0;
- static unsigned long long old_bytes;
- static unsigned long old_packets;
- static unsigned long old_errors;
+ static counters_t old_counter;
double now;
double t;
- unsigned long long new_bytes, bytes;
- unsigned long new_packets, packets;
- unsigned long new_errors, errors;
- unsigned long depth;
+ 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",
- &new_bytes, &new_packets, &new_errors, &depth);
-
- if (n < 3)
+
+ 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,
+ &new_counter.route_count, &new_counter.drop_count,
+ &new_counter.send_length, &new_counter.recv_length,
+ &new_counter.route_length, &new_counter.drop_length);
+ if (n < 11)
{
fprintf (stderr, "Can't parse statfile\n");
exit (1);
}
-
- if (last == 0.0)
- printf ("%llu bytes, %lu packets (sz %lld), %lu errors",
- new_bytes, new_packets,
- (long long)((new_packets == 0) ? 0LL : new_bytes/new_packets),
- new_errors);
- else
- {
- t = now - last;
-
- if (new_bytes < old_bytes)
- bytes = -1ULL - old_bytes + new_bytes + 1;
- else
- bytes = new_bytes - old_bytes;
- if (new_packets < old_packets)
- packets = -1UL - old_packets + new_packets + 1;
- else
- packets = new_packets - old_packets;
- if (new_errors < old_errors)
- errors = -1UL - old_errors + new_errors + 1;
- else
- errors = new_errors - old_errors;
-
- printf ("%9llu bytes (%7.2fMb/s), %7lu packets (sz %5lld, %5ld/s), %lu errors (%ld/s)",
- bytes, ((double)bytes)/((1<<20) * t),
- packets, (long long)((packets == 0) ? 0LL : bytes/packets), (long)(packets/t),
- errors, (long)(errors/t));
- }
- old_bytes = new_bytes;
- old_packets = new_packets;
- old_errors = new_errors;
- if (n == 4)
- printf (", depth (%ld)\n", depth);
- else
- printf ("\n");
+ if (last == 0.0) {
+ 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,
+ 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);
+ counter.route_count = subul(new_counter.route_count, old_counter.route_count);
+ counter.drop_count = subul(new_counter.drop_count, old_counter.drop_count);
+ counter.send_length = subull(new_counter.send_length, old_counter.send_length);
+ counter.recv_length = subull(new_counter.recv_length, old_counter.recv_length);
+ counter.route_length = subull(new_counter.route_length, old_counter.route_length);
+ counter.drop_length = subull(new_counter.drop_length, old_counter.drop_length);
+
+ 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",
+ counter.msgs_alloc, counter.msgs_max,
+ rul(counter.errors,t),
+ rull(counter.send_length,t*1024.0*1024.0), rul(counter.send_count, t),
+ rull(counter.recv_length,t*1024.0*1024.0), rul(counter.recv_count, t),
+ rull(counter.route_length,t*1024.0*1024.0), rul(counter.route_count, t),
+ rull(counter.drop_length,t*1024.0*1024.0), rul(counter.drop_count, t));
+ }
+ old_counter = new_counter;
fflush (stdout);
-
+
lseek (fd, 0, SEEK_SET);
last = timenow();
}
-int main (int argc, char **argv)
+int main(int argc, char **argv)
{
- int interval = 0;
- int fd;
-
- if (argc > 1)
- interval = atoi (argv[1]);
-
- fd = open ("/proc/sys/portals/router", O_RDONLY);
- if (fd < 0)
- {
- fprintf (stderr, "Can't open stat: %s\n", strerror (errno));
- return (1);
- }
-
- do_stat (fd);
- if (interval == 0)
- return (0);
-
- for (;;)
- {
- sleep (interval);
- do_stat (fd);
- }
+ int interval = 0;
+ glob_t path;
+ int fd;
+
+ if (argc > 1)
+ interval = atoi(argv[1]);
+
+ if (cfs_get_param_paths(&path, "stats") != 0) {
+ fprintf(stderr, "LNet stats not available\n");
+ return 1;
+ }
+
+ fd = open(path.gl_pathv[0], O_RDONLY);
+ if (fd < 0) {
+ fprintf(stderr, "failed to open '%s': %s\n", path.gl_pathv[0],
+ strerror(errno));
+ cfs_free_param_data(&path);
+ return 1;
+ }
+ cfs_free_param_data(&path);
+
+ do_stat(fd);
+ if (interval == 0)
+ return 0;
+
+ while (1) {
+ sleep(interval);
+ do_stat(fd);
+ }
+ /* Never reached */
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff