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Diffstat (limited to 'usr/src/man/man1m/syncstat.1m')
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diff --git a/usr/src/man/man1m/syncstat.1m b/usr/src/man/man1m/syncstat.1m deleted file mode 100644 index bc9ce30ea0..0000000000 --- a/usr/src/man/man1m/syncstat.1m +++ /dev/null @@ -1,192 +0,0 @@ -'\" te -.\" Copyright (c) 1993, Sun Microsystems, Inc. -.\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License. -.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License. -.\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner] -.TH SYNCSTAT 1M "Mar 9, 1993" -.SH NAME -syncstat \- report driver statistics from a synchronous serial link -.SH SYNOPSIS -.LP -.nf -\fB/usr/sbin/syncstat\fR [\fB-c\fR] \fIdevice\fR [\fIinterval\fR] -.fi - -.SH DESCRIPTION -.sp -.LP -The \fBsyncstat\fR command reports the event statistics maintained by a -synchronous serial device driver. The report may be a single snapshot of the -accumulated totals, or a series of samples showing incremental changes. Prior -to these it prints the device name being used to query a particular device -driver, along with a number indicating the channel number (ppa) under control -of that driver. -.sp -.LP -Event statistics are maintained by a driver for each physical channel that it -supports. They are initialized to zero at the time the driver module is loaded -into the system, which may be either at boot time or when one of the driver's -entry points is first called. -.sp -.LP -The \fIdevice\fR argument is the name of the serial device as it appears in -the \fB/dev\fR directory. For example, \fBzsh0\fR specifies the first -on-board serial device. -.sp -.LP -The following is a breakdown of \fBsyncstat\fR output: -.sp - -.sp -.TS -l l -l l . -\fBspeed\fR T{ -The line speed the device has been set to operate at. It is the user's responsibility to make this value correspond to the modem clocking speed when clocking is provided by the modem. -T} -\fBipkts\fR The total number of input packets. -\fBopkts\fR The total number of output packets. -\fBundrun\fR T{ -The number of transmitter underrun errors. -T} -\fBovrrun\fR The number of receiver overrun errors. -\fBabort\fR The number of aborted received frames. -\fBcrc\fR T{ -The number of received frames with CRC errors. -T} -\fBisize\fR T{ -The average size (in bytes) of input packets. -T} -\fBosize\fR T{ -The average size (in bytes) of output packets. -T} -.TE - -.SH OPTIONS -.sp -.ne 2 -.na -\fB\fB-c\fR\fR -.ad -.RS 12n -Clear the accumulated statistics for the device specified. This may be useful -when it is not desirable to unload a particular driver, or when the driver is -not capable of being unloaded. -.RE - -.sp -.ne 2 -.na -\fB\fIinterval\fR\fR -.ad -.RS 12n -\fBsyncstat\fR samples the statistics every \fIinterval\fR seconds and reports -incremental changes. The output reports line utilization for input and output -in place of average packet sizes. These are the relationships between bytes -transferred and the baud rate, expressed as percentages. The loop repeats -indefinitely, with a column heading printed every twenty lines for convenience. -.RE - -.SH EXAMPLES -.LP -\fBExample 1 \fRSample output from the \fBsyncstat\fR command: -.sp -.in +2 -.nf -example# \fBsyncstat zsh0\fR - - -speed ipkts opkts undrun ovrrun abort crc isize osize -9600 15716 17121 0 0 1 3 98 89 -.fi -.in -2 -.sp - -.sp -.in +2 -.nf -example# \fBsyncstat \fR\fB-c\fR\fB zsh0\fR - -speed ipkts opkts undrun ovrrun abort crc isize osize -9600 0 0 0 0 0 0 0 0 -.fi -.in -2 -.sp - -.sp -.LP -In the following sample output a new line of output is generated every five -seconds: - -.sp -.in +2 -.nf -example# \fBsyncstat zsh0 5\fR - -ipkts opkts undrun ovrrun abort crc iutil outil -12 10 0 0 0 0 5% 4% -22 60 0 0 0 0 3% 90% -36 14 0 0 0 1 51% 2% -.fi -.in -2 -.sp - -.SH SEE ALSO -.sp -.LP -\fBsyncinit\fR(1M), \fBsyncloop\fR(1M), \fBattributes\fR(5), \fBzsh\fR(7D) -.SH DIAGNOSTICS -.sp -.ne 2 -.na -\fB\fBbad interval: \fR\fIarg\fR\fR -.ad -.sp .6 -.RS 4n -The argument \fIarg\fR is expected to be an interval and could not be -understood. -.RE - -.sp -.ne 2 -.na -\fB\fIdevice\fR\fB missing minor device number\fR\fR -.ad -.sp .6 -.RS 4n -The name \fIdevice\fR does not end in a decimal number that can be used as a -minor device number. -.RE - -.sp -.ne 2 -.na -\fB\fBbaud rate not set\fR\fR -.ad -.sp .6 -.RS 4n -The \fIinterval\fR option is being used and the baud rate on the device is -zero. This would cause a divide-by-zero error when computing the line -utilization statistics. -.RE - -.SH WARNINGS -.sp -.LP -Underrun, overrun, frame-abort, and CRC errors have a variety of causes. -Communication protocols are typically able to handle such errors and initiate -recovery of the transmission in which the error occurred. Small numbers of such -errors are not a significant problem for most protocols. However, because the -overhead involved in recovering from a link error can be much greater than that -of normal operation, high error rates can greatly degrade overall link -throughput. High error rates are often caused by problems in the link hardware, -such as cables, connectors, interface electronics or telephone lines. They may -also be related to excessive load on the link or the supporting system. -.sp -.LP -The percentages for input and output line utilization reported when using the -\fIinterval\fR option may occasionally be reported as slightly greater than -100% because of inexact sampling times and differences in the accuracy between -the system clock and the modem clock. If the percentage of use greatly exceeds -100%, or never exceeds 50%, then the baud rate set for the device probably does -not reflect the speed of the modem. |