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new man pages: diskdevstat netdevstat scomes varnetload

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Jan Vcelak 2011-01-13 13:50:36 +01:00
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.TH "diskdevstat" "8" "13 Jan 2011" "Phil Knirsch" "Tool for recording harddisk activity"
.SH NAME
diskdevstat \- tool for recording harddisk activity
.SH SYNOPSIS
\fBdiskdevstat\fP [\fIupdate interval\fP] [\fItotal duration\fP] [\fIdisplay histogram\fP]
.SH DESCRIPTION
\fBdiskdevstat\fR is a simple systemtap script to record harddisk activity of processes
and display statistics for read/write operations.
.TP
update interval
Sets sampling interval in seconds.
.TP
total duration
Sets total measurement time in seconds.
.TP
display histogram
If this parameter is present, the histogram will be shown at the end of the measurement.
.SH "SEE ALSO"
.LP
tuned(8)
netdevstat(8)
varnetload(8)
scomes(8)
stap(1)
.SH AUTHOR
Written by Phil Knirsch <pknirsch@redhat.com>.
.SH REPORTING BUGS
Report bugs to <pknirsch@redhat.com>.

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.TH "netdevstat" "8" "13 Jan 2011" "Phil Knirsch" "Tool for recording network activity"
.SH NAME
netdevstat \- tool for recording network activity
.SH SYNOPSIS
\fBnetdevstat\fP [\fIupdate interval\fP] [\fItotal duration\fP] [\fIdisplay histogram\fP]
.SH DESCRIPTION
\fBnetdevstat\fR is a simple systemtap script to record network activity of processes
and display statistics for transmit/receive operations.
.TP
update interval
Sets sampling interval in seconds.
.TP
total duration
Sets total measurement time in seconds.
.TP
display histogram
If this parameter is present, the histogram will be shown at the end of the measurement.
.SH "SEE ALSO"
.LP
tuned(8)
diskdevstat(8)
varnetload(8)
scomes(8)
stap(1)
.SH AUTHOR
Written by Phil Knirsch <pknirsch@redhat.com>.
.SH REPORTING BUGS
Report bugs to <pknirsch@redhat.com>.

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.TH "scomes" "8" "13 Jan 2011" "Phil Knirsch" "Tool for watching system resources"
.SH NAME
scomes \- tool for watching system resources
.SH SYNOPSIS
\fBscomes\fP -c "binary [binary arguments ...]" [timer]
.SH DESCRIPTION
\fBscomes\fR is a simple systemtap script for watching activity of one process. Syscalls count,
userspace and kernelspace ticks, read and written bytes, transitted and received bytes and polling
syscalls are measured.
.TP
binary
Binary file to be executed. This process will be watched.
.TP
timer
Setting this option causes the script to print out statistic every N seconds. If not provided,
the statistics are printed only when watched process terminates.
.SH "SEE ALSO"
.LP
tuned(8)
diskdevstat(8)
netdevstat(8)
varnetload(8)
stap(1)
.SH AUTHOR
Written by Jan Hutar <jhutar@redhat.com>.
.SH REPORTING BUGS
Report bugs to <pknirsch@redhat.com>.

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.TH "varnetload" "8" "13 Jan 2011" "Phil Knirsch" "Tool to create reproducable network traffic"
.SH NAME
varnetload \- tool to create reproducable network traffic
.SH SYNOPSIS
\fBvarnetload\fP [\fI-d delay\fP] [\fI-t time to run\fP] [\fI-u url\fP]
.SH DESCRIPTION
\fBvarnetload\fR is a simple python script to create reproducable sustained network traffic.
In order to use it effectively, you need to have an HTTP server present in your local LAN where you
can put files. Upload a large HTML (or any other kind of file) to the HTTP server. Use the -u option
of the script to point to that URL. Play with the delay option to vary the load put on your network.
.TP
delay
Sets delay between individual downloads in miliseconds. Default value is 1000. But you my find values
range from 0 to 500 more useful.
.TP
time to run
Sets total run time in seconds. Default value is 60.
.TP
url
Sets downloaded resource. Default is http://myhost.mydomain/index.html.
.SH "SEE ALSO"
.LP
tuned(8)
diskdevstat(8)
netdevstat(8)
scomes(8)
.SH AUTHOR
Written by Phil Knirsch <pknirsch@redhat.com>.
.SH REPORTING BUGS
Report bugs to <pknirsch@redhat.com>.