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Diffstat (limited to 'cddl/contrib/dtracetoolkit/Man/man1m/iofile.d.1m')
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diff --git a/cddl/contrib/dtracetoolkit/Man/man1m/iofile.d.1m b/cddl/contrib/dtracetoolkit/Man/man1m/iofile.d.1m new file mode 100644 index 000000000000..fd3016dd5674 --- /dev/null +++ b/cddl/contrib/dtracetoolkit/Man/man1m/iofile.d.1m @@ -0,0 +1,49 @@ +.TH iofile.d 1m "$Date:: 2007-08-05 #$" "USER COMMANDS" +.SH NAME +iofile.d \- I/O wait time by file and process. Uses DTrace. +.SH SYNOPSIS +.B iofile.d +.SH DESCRIPTION +This prints the total I/O wait times for each filename by process. +This can help determine why an application is performing poorly by +identifying which file they are waiting on, and the total times. +Both disk and NFS I/O are measured. + +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 io provider. +.SH EXAMPLES +.TP +Sample until Ctrl\-C is hit then print report, +# +.B iofile.d +.PP +.SH FIELDS +.TP +PID +process ID +.TP +CMD +process name +.TP +TIME +total wait time for disk events, us +.TP +FILE +file pathname +.PP +.SH BASED ON +/usr/demo/dtrace/iocpu.d +.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 +iofile.d will sample until Ctrl\-C is hit. +.SH SEE ALSO +iosnoop(1M), dtrace(1M) + |