polygraph-cmp-lx(1)

polygraph-cmp-lx1

Log comparison tool

Usage

cmp-lx.pl [--precision=percent] [{--scope=important | all}] <f1.lx> <f2.lx>

Overview

Cmp-lx compares results from two tests and prints stats that differ significantly. With important scope some stats are ignored. The following events are not important:

*.last

*.min and *.max except for *.hist.min and *.hist.max

*.mean if there is corresponding *.hist.mean

rare events

Histogram and errors are important.

Rare events are events that happened in less than 0.1% of the cases where they could have occurred. Measurements related to such events are not important. Event rate is calculated using xact.started measurement as total count. List of events:

basic offered hit miss cachable uncachable fill ims reload range
head post put abort page ssl ftp 100_continue proxy_validations auth
tunneled proxy_validation rep req

Options

--precision=percent

difference threshold in percent, default: 10

--scope=important|all

which stats to compare, default: important

Releases

Unchanged in 3 releases since Debian 7 (Wheezy).

  1. 7–9

From polygraph 4.3.2-5 in Debian 9 (Stretch). Parsed by carta from the page's man source.