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Diffstat (limited to 'cddl/contrib/dtracetoolkit/Man/man1m/tcpstat.d.1m')
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diff --git a/cddl/contrib/dtracetoolkit/Man/man1m/tcpstat.d.1m b/cddl/contrib/dtracetoolkit/Man/man1m/tcpstat.d.1m new file mode 100644 index 000000000000..4db577c446a5 --- /dev/null +++ b/cddl/contrib/dtracetoolkit/Man/man1m/tcpstat.d.1m @@ -0,0 +1,58 @@ +.TH tcpstat.d 1m "$Date:: 2007-08-05 #$" "USER COMMANDS" +.SH NAME +tcpstat.d \- print TCP statistics. Uses DTrace. +.SH SYNOPSIS +.B tcpstat.d +.SH DESCRIPTION +tcpstat.d is a DTrace program to print TCP statistics every second, +retrieved from the MIB provider. + +This program can be used to help identify how utilised the network +interfaces may be, as well as TCP transmission errors. + +The TCP statistics are documented in the mib2_tcp struct +in /usr/include/inet/mib2.h; and also in the mib provider +chapter of the DTrace Guide, found at +http://docs.sun.com/db/doc/817-6223. + +Since this uses DTrace, only the root user or users with the +dtrace_kernel privilege can run this command. +.SH OS +Solaris +.SH STABILITY +stable - needs the mib provider. +.SH EXAMPLES +.TP +Print statistics every second, +# +.B tcpstat.d +.PP +.SH FIELDS +.TP +TCP_out +TCP bytes sent +.TP +TCP_outRe +TCP bytes retransmitted +.TP +TCP_in +TCP bytes received +.TP +TCP_inDup +TCP bytes received duplicated +.TP +TCP_inUn +TCP bytes received out of order +.PP +.SH DOCUMENTATION +See the DTraceToolkit for further documentation under the +Docs directory. The DTraceToolkit docs may include full worked +examples with verbose descriptions explaining the output. +.SH EXIT +tcpstat.d will run forever until Ctrl\-C is hit. +.SH AUTHOR +Brendan Gregg +[Sydney, Australia] +.SH SEE ALSO +nicstat(1M), dtrace(1M) + |