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-rw-r--r--gnu/packages/linux.scm26
1 files changed, 26 insertions, 0 deletions
diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 78182555c1..0b656629df 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -39,6 +39,7 @@
 ;;; Copyright © 2019 Brice Waegeneire <brice@waegenei.re>
 ;;; Copyright © 2019 Kei Kebreau <kkebreau@posteo.net>
 ;;; Copyright © 2020 Oleg Pykhalov <go.wigust@gmail.com>
+;;; Copyright © 2020 Pierre Neidhardt <mail@ambrevar.xyz>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -6382,3 +6383,28 @@ the Linux kernel, C standard library, and libdl (for dynamic linking).  While
 ELL is designed to be efficient and compact enough for use on embedded Linux
 platforms, it is not limited to resource-constrained systems.")
     (license license:lgpl2.1+)))
+
+(define-public lttng-ust
+  (package
+    (name "lttng-ust")
+    (version "2.11.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://lttng.org/files/lttng-ust/"
+                                  "lttng-ust-" version ".tar.bz2"))
+              (sha256
+               (base32
+                "1n646yz7882svf5a4ay3vqiiz3qjn3pgkkij9kk22871wp7q0ck8"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("liburcu" ,liburcu)
+       ("numactl" ,numactl)))
+    (native-inputs
+     `(("python" ,python-3)))
+    (home-page "https://lttng.org/")
+    (synopsis "LTTng userspace tracer libraries")
+    (description "The user space tracing library, liblttng-ust, is the LTTng
+user space tracer.  It receives commands from a session daemon, for example to
+enable and disable specific instrumentation points, and writes event records
+to ring buffers shared with a consumer daemon.")
+    (license license:lgpl2.1+)))