---
name: "polygraph-cmp-lx"
section: "1"
platform: "linux"
package: "polygraph"
version: "4.3.2-5"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/polygraph-cmp-lx"
---

# polygraph-cmp-lx(1)

log comparison tool

## NAME

polygraph-cmp-lx - log comparison tool

## SYNOPSIS

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

## DESCRIPTION

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

## COPYRIGHT

Copyright © 2003-2006 The Measurement Factory, Inc.

## SEE ALSO

[**polygraph**(7)](/polygraph/7.md) - general information and a list of programs

**http://www.web-polygraph.org/** - project web site