bug#57164: [PATCH 1/3] gnu: Add lttng-modules.

[Mathieu Othacehe <othacehe@gnu.org>]

> * gnu/packages/instrumentation.scm (lttng-modules): New variable.

Pushed with the following changes:

--8<---------------cut here---------------start------------->8---
--- a/gnu/packages/instrumentation.scm
+++ b/gnu/packages/instrumentation.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2021 Olivier Dion <olivier.dion@polymtl.ca>
+;;; Copyright © 2021, 2022 Olivier Dion <olivier.dion@polymtl.ca>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -220,11 +220,11 @@ (define-public lttng-modules
                 "1vm9nnjvid7acsvgwnjyxd60ih9rmbhnfjldxip58n8x9q7d0nb1"))))
     (build-system linux-module-build-system)
     (arguments
-     `(#:tests? #f
-       #:make-flags (list "CONFIG_LTTNG=m" "CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m")))
+     `(#:tests? #f ; no tests
+       #:make-flags (list "CONFIG_LTTNG=m"
+                          "CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m")))
     (home-page "https://lttng.org/")
-    (synopsis "LTTng modules provide kernel tracing capability to the LTTng
-tracer toolset")
+    (synopsis "LTTng kernel modules for the LTTng tracer toolset")
     (description
      "LTTng kernel modules are Linux kernel modules which make
 LTTng kernel tracing possible.  They include essential control modules and
--8<---------------cut here---------------end--------------->8---

Thanks,

Mathieu