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This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
77 lines
2.2 KiB
Groff
77 lines
2.2 KiB
Groff
.\" Copyright 2017 IBM Corp.
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.\" s390-tools is free software; you can redistribute it and/or modify
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.\" it under the terms of the MIT license. See LICENSE for details.
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.\"
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.TH ZIOMON 8 "Jul 2008" "s390-tools"
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.SH NAME
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ziomon \- Collect data for performance analysis of fcp adapters.
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.SH SYNOPSIS
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.B ziomon
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[-h] [-V] [-v] [-f] [-l <sz_limit>] [-i n] -d n -o <logfile> <device>...
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.SH DESCRIPTION
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.B ziomon
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starts and controls various utilities to collect data for performance analysis
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for a specified duration. Note that it is possible to specify multipath
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devices also. If multipath devices are specified, the respective
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regular devices used by the multipath devices will be monitored.
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.SH OPTIONS
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.TP
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.BR "\-h" " or " "\-\-help"
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Print help information, then exit.
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.TP
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.BR "\-v" " or " "\-\-version"
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Print version information, then exit.
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.TP
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.BR "\-V" " or " "\-\-verbose"
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Be verbose.
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.TP
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.BR "\-f" " or " "\-\-force"
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Force start of data collection even though there is insufficient free disk space.
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.TP
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.BR "\-l" " or " "\-\-size-limit"
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Upper limit of the output files. May include one of the suffixes
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M (megabytes), G (gigabytes) or T (terabytes) to specify a unit measure.
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Unit measure defaults to megabytes.
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Note that this is only a tentative value which might be slightly exceeded.
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.TP
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.BR "\-i" " or " "\-\-interval-length"
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Specify the time to elapse between recording data in seconds. Must be an even number.
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Defaults to 60 seconds.
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.TP
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.BR "\-d" " or " "\-\-duration"
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Overall monitoring duration in minutes. Must be a multiple of the
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interval length.
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.TP
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.BR "\-o" " or " "\-\-outfile"
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Basename for output files.
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.TP
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.BR device
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specifies a device to collect respective data for.
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.SH EXAMPLES
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Collect data for devices /dev/sda, /dev/sdg, /dev/sdp and the multipath device
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/dev/mapper/36005076303ffc104000000000000212b for 5 minutes.
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Data should be sampled every 20 seconds.
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The collected data size should not exceed 50 MB.
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The output files should base their names on 'trace_data':
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ziomon -i 20 -d 5 -l 50M -o trace_data /dev/mapper/36005076303ffc104000000000000212b /dev/sda /dev/sdg /dev/sdp
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.SH "SEE ALSO"
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.BR ziomon_mgr (8),
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.BR ziomon_util (8),
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.BR ziomon_zfcpdd (8)
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.BR ziomon_fcpconf (8)
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