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diff --git a/doc/dropwatch.1 b/doc/dropwatch.1 new file mode 100644 index 0000000..d9e754e --- /dev/null +++ b/doc/dropwatch.1 @@ -0,0 +1,36 @@ +.PU +.TH dropwatch "1" "Mar 2009" "Neil Horman" +.SH NAME +dropwatch - kernel dropped packet monitoring utility +.SH SYNOPSIS +.B dropwatch [-l <method> | list] +.SH DESCRIPTION +.I dropwatch +dropwatch is an interactive utility for monitoring and recording packets that +are dropped by the kernel +.SH OPTIONS +.TP +.B -l <method> | list +Select the translation method to use when a drop alert arrives. By default the +raw instruction pointer of a drop location is output, but by the use of the -l +option, we can assign a translation method so that the instruction pointer can +be translated into function names. Currently supported lookup methods are: +.PP +.B kas - use /proc/kallsyms to lookup instruction pointers to function mappings +.SH INTERACTIVE COMMANDS +.TP +.B start +Tells the kernel to start reporting dropped packets +.TP +.B stop +Tells the kernel to discontinue reporting dropped packets +.TP +.B exit +Exits the dropmonitor program +.TP +.B help +Displays summary of all commands +.TP +.B set alertlimit <value> +Sets a triggerpoint to stop monitoring for dropped packets after <value> alerts +have been received |