X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fmans%2Foping.pod;h=5582286ffc7b2f334b216e42851c5c6c79e12c10;hb=12e4f9fd1ff58b047b531ec2fc744d4417cfae78;hp=8b8c644cfad164b9f4b7001ec099ed4e05e6bd9a;hpb=441f2f6f137275321d6bb3d8bfb35f414c580ab6;p=liboping.git diff --git a/src/mans/oping.pod b/src/mans/oping.pod index 8b8c644..5582286 100644 --- a/src/mans/oping.pod +++ b/src/mans/oping.pod @@ -166,6 +166,69 @@ I (ECN), even if the deprecated I (ToS) aliases were used to specify the bits of outgoing packets. +=item B<-u>|B<-U> + +I B<-u> forces UTF-8 output, B<-U> disables UTF-8 output. If +neither is given, the codeset is automatically determined from the locale. + +=item B<-g> B|B|B|B + +I Selects the graph to display. + +=over 4 + +=item B + +Do not show a graph. + +=item B + +Show a graph with time on the x-axis, the y-axis shows the round-trip time. +This is the default graph. + +If your terminal supports unicode and colors, they are used to improve +the precision of the data shown: a green box is drawn for round-trip times up +to one third of the configured timeout, the height representing the RTT. Longer +RTTs will start to fill the box yellow (with a green background) and then red +(with a yellow background). Lost packages are drawn as a bold red explamation +mark. + +=item B + +Show a I where the x-axis, i.e. the width of the window, is the +round-trip time. The entire width of the window it the ping interval, set with +the B<-i> option. + +The box is sized so it contains 50% of the replies. The vertical line shows the +median. The whiskers are sized to contain 95% of the replies -- 2.5% below the +whiskers and 2.5% above. + + |----------[#####|##########]--------------------------------------------| + ^ ^ ^ ^ ^ + 2.75% 25% 50% 75% 97.5% + +=item B + +Show a I of the round-trip times. The width of the window is taken +as round-trip time from 0ms on the left to the I (the B<-i> option, +default 1000ms) on the right. + +The height of the graph is scaled so that the most-used buckets vertically fills +the line. The buckets are colored green up to and including the 80th +percentile, yellow up to and including the 95th percentile and red for the +remainder. + +=back + +=item B<-P> I + +Configures the latency percentile to report. I must be a number +between zero and 100, exclusively in both cases. In general, defaults to B<95>. +If B<-c> is given and a number less than 20, this would be the same as the +maximum. In this case the default is chosen so that it excludes the maximum, +e.g. if B<-cE5> is given, the default is I<80>. The calculated percentile +is based on the last 900 packets (15 minutes with the default interval). + =item B<-Z> I If any hosts have a drop rate higher than I, where I is a @@ -187,22 +250,19 @@ If supported by the terminal, I will highlight the round-trip times the "expected" range, yellow marks moderately unusual times and times that differ a lot from the expected value are printed in red. -The information used to categorize round-trip times is the I -round-trip time and the I. RTTs that differ from the -average by less than the standard deviation are considered to be "normal" and -are printed in green. Times that differ from the average more than the standard -deviation but less than twice the standard deviation are considered "moderately -unusual" and are printed in yellow. Times differing more than twice the -standard deviation from the average are considered to be "unusual" and are +The information used to categorize round-trip times is the I. RTTs +in the 80th percentile are considered to be "normal" and are printed in green. +RTTs within the 95th percentile are considered "moderately unusual" and are +printed in yellow. RTTs above that are considered to be "unusual" and are printed in red. =head1 SEE ALSO -L, L, L +L, L, L =head1 AUTHOR liboping is written by Florian "octo" Forster Eff at octo.itE. -Its homepage can be found at L. +Its homepage can be found at L. Copyright (c) 2005-2011 by Florian "octo" Forster.