diff options
Diffstat (limited to 'src/dnsperf.1.in')
| -rw-r--r-- | src/dnsperf.1.in | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/src/dnsperf.1.in b/src/dnsperf.1.in index 9ae24bd..c44a5f3 100644 --- a/src/dnsperf.1.in +++ b/src/dnsperf.1.in @@ -1,4 +1,4 @@ -.\" Copyright 2019-2022 OARC, Inc. +.\" Copyright 2019-2023 OARC, Inc. .\" Copyright 2017-2018 Akamai Technologies .\" Copyright 2006-2016 Nominum, Inc. .\" All rights reserved. @@ -341,8 +341,9 @@ The default is the loopback address, 127.0.0.1. \fB-S \fIstats_interval\fR .br .RS -If this parameter is specified, a count of the number of queries per second -during the interval will be printed out every stats_interval seconds. +If this parameter is specified, a count of the number of answers received +per second during the interval will be printed out every \fIstats_interval\fR +seconds. .RE \fB-t \fItimeout\fR @@ -458,7 +459,6 @@ Following type are available. .br \fBunexpected\fR: Suppress messages about answers with an unexpected message ID .RE - \fBnum-queries-per-conn=\fINUMBER\fR .br .RS @@ -474,6 +474,29 @@ Waiting for responses may timeout and the timeout used for this is the same as specified by \fB-t\fR. Note that this option is only useful for connection oriented protocols. .RE + +\fBverbose-interval-stats\fR +.br +.RS +Change the statistics format of \fB-S\fR to that shown at end of run. + +\fIPlease note\fR: Min/max values for latency and connections are not +available in interval statistics. +Number of answers received within \fIstats_interval\fR can legitimately +exceed number of queries sent, depending on answer latency, configured +\fItimeout\fR, and \fIstats_interval\fR. +.RE + +\fBlatency-histogram\fR +.br +.RS +Print detailed latency histograms for DNS answers and connections. +Latency is quantized into bins with roughly 3 % resolution, and latency +range for individual bins increases logarithmically. +This is done to to limit amount of memory required for histograms +and also allows to visualize latency using logarithmic percentile histograms +with minimal postprocessing. +.RE .SH "SEE ALSO" \fBresperf\fR(1) .SH AUTHOR |