| Message ID | 20210119124157.12662-1-felix.moessbauer@siemens.com |
|---|---|
| Headers | show |
| Series | RFC: Package perf from linux kernel tools | expand |
Hi, i think perf support in general is something we clearly want to have. As far as i remember Cedric might be interested as well, adding him to CC. Maybe a split into the basic support and the python bindings is useful. Because those python bindings are pretty different from upstream, and they probably deserve a test-package if we agree that we want to support them in isar. Henning Am Tue, 19 Jan 2021 13:41:57 +0100 schrieb Felix Moessbauer <felix.moessbauer@siemens.com>: > Hi all, > > this patch adds support to build the linux-perf<version> package > that includes the kernel specific perf tooling. > > During implementation I tried two different approaches: > 1. package as part of the kernel receipt (as Debian does) > 2. package as a regular package (similar to how the kselftest is > packaged) > > This RFC implements approach 2 but tries to be as close as possible > to the Debian upstream packaging. > By that, we use the same patches from Debian upstream to build our > package. Note, that these are dependent on the exact kernel version. > Here, I used the latest available bugfix version from upstream > (4.19.160). Perf should then be compatible with 4.19 kernels (only > partially tested). > > A major obstacle in implementing approach 1 was that the patches for > linux-tools are not trivial and have to match with the corresponding > kernel version. Writing that in a way that works for various kernel > versions was something I was not able to accomplish. > Hence, I decided that it might be better to avoid that much > complexity in the kernel receipt. Most users might not need the tools > anyways, but probably a custom kernel. > > Finally, this patch also builds the kernel specific python bindings > of perf. This patch has already been sent upstream, but is not yet > integrated in Debian. For reference, see here: > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=860957 > > Best regards, > Felix Mößbauer > > Felix Moessbauer (1): > RFC: Package perf from linux kernel tools > > .../recipes-kernel/linux-perf/files/rules | 53 ++++++++ > .../linux-perf/files/tools-perf-install.patch | 58 +++++++++ > .../linux-perf/files/tools-perf-python.patch | 55 ++++++++ > .../linux-perf/files/tools-perf-version.patch | 119 > ++++++++++++++++++ .../linux-perf/linux-perf-4.19_4.19.160.bb | > 11 ++ .../recipes-kernel/linux-perf/linux-perf.inc | 46 +++++++ > 6 files changed, 342 insertions(+) > create mode 100644 meta-isar/recipes-kernel/linux-perf/files/rules > create mode 100644 > meta-isar/recipes-kernel/linux-perf/files/tools-perf-install.patch > create mode 100644 > meta-isar/recipes-kernel/linux-perf/files/tools-perf-python.patch > create mode 100644 > meta-isar/recipes-kernel/linux-perf/files/tools-perf-version.patch > create mode 100644 > meta-isar/recipes-kernel/linux-perf/linux-perf-4.19_4.19.160.bb > create mode 100644 meta-isar/recipes-kernel/linux-perf/linux-perf.inc >
For a v2 perf should be added to scripts/ci_build or the local.conf used by it which will probably reveal problems with bullseye and stretch, maybe != x86 as well You will get access to a Siemens internal CI for that and other future contributions. Henning Am Tue, 19 Jan 2021 13:41:57 +0100 schrieb Felix Moessbauer <felix.moessbauer@siemens.com>: > Hi all, > > this patch adds support to build the linux-perf<version> package > that includes the kernel specific perf tooling. > > During implementation I tried two different approaches: > 1. package as part of the kernel receipt (as Debian does) > 2. package as a regular package (similar to how the kselftest is > packaged) > > This RFC implements approach 2 but tries to be as close as possible > to the Debian upstream packaging. > By that, we use the same patches from Debian upstream to build our > package. Note, that these are dependent on the exact kernel version. > Here, I used the latest available bugfix version from upstream > (4.19.160). Perf should then be compatible with 4.19 kernels (only > partially tested). > > A major obstacle in implementing approach 1 was that the patches for > linux-tools are not trivial and have to match with the corresponding > kernel version. Writing that in a way that works for various kernel > versions was something I was not able to accomplish. > Hence, I decided that it might be better to avoid that much > complexity in the kernel receipt. Most users might not need the tools > anyways, but probably a custom kernel. > > Finally, this patch also builds the kernel specific python bindings > of perf. This patch has already been sent upstream, but is not yet > integrated in Debian. For reference, see here: > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=860957 > > Best regards, > Felix Mößbauer > > Felix Moessbauer (1): > RFC: Package perf from linux kernel tools > > .../recipes-kernel/linux-perf/files/rules | 53 ++++++++ > .../linux-perf/files/tools-perf-install.patch | 58 +++++++++ > .../linux-perf/files/tools-perf-python.patch | 55 ++++++++ > .../linux-perf/files/tools-perf-version.patch | 119 > ++++++++++++++++++ .../linux-perf/linux-perf-4.19_4.19.160.bb | > 11 ++ .../recipes-kernel/linux-perf/linux-perf.inc | 46 +++++++ > 6 files changed, 342 insertions(+) > create mode 100644 meta-isar/recipes-kernel/linux-perf/files/rules > create mode 100644 > meta-isar/recipes-kernel/linux-perf/files/tools-perf-install.patch > create mode 100644 > meta-isar/recipes-kernel/linux-perf/files/tools-perf-python.patch > create mode 100644 > meta-isar/recipes-kernel/linux-perf/files/tools-perf-version.patch > create mode 100644 > meta-isar/recipes-kernel/linux-perf/linux-perf-4.19_4.19.160.bb > create mode 100644 meta-isar/recipes-kernel/linux-perf/linux-perf.inc >