On Wed, Sep 01 2021, Raphaël Mélotte wrote:

> * gnu/packages/monitoring.scm (fatrace): New variable.
> ---
>  gnu/packages/monitoring.scm | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
>
> diff --git a/gnu/packages/monitoring.scm b/gnu/packages/monitoring.scm
> index d2aef0eaab..87df0fa634 100644
> --- a/gnu/packages/monitoring.scm
> +++ b/gnu/packages/monitoring.scm
> @@ -9,6 +9,7 @@
>  ;;; Copyright © 2020 Lars-Dominik Braun <ldb@leibniz-psychology.org>
>  ;;; Copyright © 2021 Marius Bakke <marius@gnu.org>
>  ;;; Copyright © 2021 Stefan Reichör <stefan@xsteve.at>
> +;;; Copyright © 2021 Raphaël Mélotte <raphael.melotte@mind.be>
>  ;;;
>  ;;; This file is part of GNU Guix.
>  ;;;
> @@ -650,3 +651,30 @@ LAN, if wanted, and clients can switch between multiple hosts on the network.
>  Hostscope features a bridge to Influx DB.  So Grafana can be used to visualize
>  the recorded data over time.")
>      (license license:gpl3+)))
> +
> +(define-public fatrace
> +  (package
> +    (name "fatrace")
> +    (version "0.16.3")
> +    (source (origin
> +              (method git-fetch)
> +              (uri (git-reference
> +                    (url "https://github.com/martinpitt/fatrace")
> +                    (commit version)))
> +              (file-name (git-file-name name version))
> +              (sha256
> +               (base32
> +                "1bxz6v1z0icp716jnv3knjyqp8bv6xnkz8gqd8z3g2b6yxj5xff3"))))
> +    (build-system gnu-build-system)
> +    (arguments
> +     `(#:phases (modify-phases %standard-phases

Nit: The ‘modify-phases’ form is usually on a separate line:

  (arguments
   `(#:phases
     (modify-phases %standard-phases
      ...)))
      
> +                  (delete 'configure)
> +                  ;; there are no tests to execute:
> +                  (delete 'check))

Are you sure about that?  There is a test/ directory in the Git repo.

> +       #:make-flags
> +       (list (string-append "CC=" ,(cc-for-target))
> +             (string-append "PREFIX=" %output))))
> +    (synopsis "File access events monitor")
> +    (description "Utility to report system wide file access events.")

The description should be a complete sentence; maybe (based on the README)

  This package provides a utility to report system wide file access
  events from all running processes.  Its main purpose is to find
  processes which keep waking up the disk unnecessarily and thus prevent
  some power saving.

The package builds fine.  :-)