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lttng-modules: new package

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Add linux kernel modules needed to do kernel tracing with LTTng.

To make them available to lttng in NixOS, add this to configuration.nix:

  boot.extraModulePackages = [ pkgs.linuxPackages.lttngModules ];
This commit is contained in:
Bjørn Forsman 2013-07-04 22:34:32 +02:00
parent 5a3a82d81c
commit 70ea99cfa8
3 changed files with 66 additions and 0 deletions
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31
pkgs/os-specific/linux/lttng-modules/default.nix Normal file
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@ -0,0 +1,31 @@
{ stdenv, fetchurl, kernelDev }:
stdenv.mkDerivation rec {
pname = "lttng-modules-2.2.1";
name = "${pname}-${kernelDev.version}";
src = fetchurl {
url = "https://lttng.org/files/lttng-modules/${pname}.tar.bz2";
sha256 = "00ww1443ssv614s1ix6zby8llaf6zzlxcf5k4w7jsyji47ng33m2";
};
patches = [ ./lttng-fix-build-error-on-linux-3.2.patch ];
preConfigure = ''
export KERNELDIR="${kernelDev}/lib/modules/${kernelDev.modDirVersion}/build"
export INSTALL_MOD_PATH="$out"
'';
installPhase = ''
make modules_install
'';
meta = with stdenv.lib; {
description = "Linux kernel modules for LTTng tracing";
homepage = http://lttng.org/;
license = with licenses; [ lgpl21 gpl2 mit ];
platforms = platforms.linux;
maintainers = [ maintainers.bjornfor ];
};
}

33
pkgs/os-specific/linux/lttng-modules/lttng-fix-build-error-on-linux-3.2.patch Normal file
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@ -0,0 +1,33 @@
When building against linux 3.2, we get this build error:
building /tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/lttng-probe-ext3.o
CC [M] /tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/lttng-probe-ext3.o
In file included from /tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/../../../probes/lttng-events.h:759:0,
from /tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/../../../probes/define_trace.h:148,
from /tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/ext3.h:868,
from /tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/lttng-probe-ext3.c:48:
/tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/../../../probes/../instrumentation/events/lttng-module/ext3.h: In function '__event_probe__ext3__page_op':
/tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/../../../probes/../instrumentation/events/lttng-module/ext3.h:240:1: error: dereferencing pointer to incomplete type
/tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/../../../probes/../instrumentation/events/lttng-module/ext3.h:240:1: error: dereferencing pointer to incomplete type
/tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/../../../probes/../instrumentation/events/lttng-module/ext3.h:240:1: error: dereferencing pointer to incomplete type
/tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/../../../probes/../instrumentation/events/lttng-module/ext3.h: In function '__event_probe__ext3_invalidatepage':
/tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/../../../probes/../instrumentation/events/lttng-module/ext3.h:298:1: error: dereferencing pointer to incomplete type
/tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/../../../probes/../instrumentation/events/lttng-module/ext3.h:298:1: error: dereferencing pointer to incomplete type
/tmp/nix-build-lttng-modules-2.2.0.drv-0/lttng-modules-2.2.0/probes/../instrumentation/events/lttng-module/../../../probes/../instrumentation/events/lttng-module/ext3.h:298:1: error: dereferencing pointer to incomplete type
because a check for existing ext3/*h files in the kernel build tree is skipped
for linux < 3.4. Fix it by extending the ext3_dep_check thing to also be run
when building against linux >= 3.2 (not only linux >= 3.4).
diff -uNr lttng-modules-2.2.0.orig/probes/Makefile lttng-modules-2.2.0/probes/Makefile
--- lttng-modules-2.2.0.orig/probes/Makefile 2013-06-19 03:22:44.000000000 +0200
+++ lttng-modules-2.2.0/probes/Makefile 2013-07-06 13:22:15.902957717 +0200
@@ -59,7 +59,7 @@
ext3_dep_check = $(wildcard $(ext3_dep))
ext3 = $(shell \
if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 1 ] ; then \
- if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 4 -a \
+ if [ $(VERSION) -ge 3 -a $(PATCHLEVEL) -ge 2 -a \
-z "$(ext3_dep_check)" ] ; then \
echo "warn" ; \
exit ; \

2
pkgs/top-level/all-packages.nix
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@ -6521,6 +6521,8 @@ let
iwlwifi4965ucode = iwlwifi4965ucodeV2;
lttngModules = callPackage ../os-specific/linux/lttng-modules { };
atheros = callPackage ../os-specific/linux/atheros/0.9.4.nix { };
broadcom_sta = callPackage ../os-specific/linux/broadcom-sta/default.nix { };