From mboxrd@z Thu Jan 1 00:00:00 1970 From: Romain Naour Date: Tue, 29 Sep 2020 23:08:34 +0200 Subject: [Buildroot] [RFC PATCH 0/4] add BCC and bpftrace packages In-Reply-To: <20200929102618.28571-1-qais.yousef@arm.com> References: <20200929102618.28571-1-qais.yousef@arm.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hi Qais, Le 29/09/2020 ? 12:26, Qais Yousef a ?crit?: > *** RESEND AFTER SUBSCRIBING TO THE LIST *** > > The following series adds 2 new packages: > > * BPF Compiler Collection (BCC) > * bpftrace > > It is based on 2020.08 tag. Can rebase on tip of master after this initial RFC > review. > > The support was validated on x86_64 and aarch64 (little endian). Hence > restricted to these 2 archs only. aarch64 big endian is set as valid, but when > I tried to compile that I think LLVM or clang support for aarch64_be + BPF was > generating some errors; or something else was missing. So it might be a better > idea to remove BR2_aarch64_be from Config.in dependency. > > I tried to enable i386 and arm (aarch32); but I encountered some issues and > decided to narrow the initial support to what I got working in hope that other > archs support can follow through later if people are interested. > > IIRC the issues were: > > * bpftrace doesn't support these 2 archs. > * BCC had some build failures on arm. > * BCC had runtime issues on i386. > > Marking this as RFC as it is something that was done over several weekends and > my last contribution to buildroot was many many years ago. So I am sure there > are many rough edges to tackle. Beside from my vague description above, you > might have gotten the hint it's been a while since I last touched it. But I'd > like to get the support merged, so hopefully starting a discussion with what > I have now is a better start. I reviewed your RFC series. I'm agree that bcc is difficult to cross-compile... I suggest adding bpftrace to the bcc series from Jugurtha and keeping you as author of this package. @jugurtha can you have a look at bpftrace package ? I'll mark your RFC series "Changes requested" in patchwork. Thanks! Best regards, Romain > > Qais Yousef (4): > llvm: Add BPF backend > Add BPF Compiler Collection (BCC) Package > Add bpftrace package > clang: Fix undefined reference to dladdr error > > package/Config.in | 2 ++ > package/bcc/0001-fix-dlinfo.patch | 17 ++++++++++ > .../0002-fix-undefined-gzgets-runtime.patch | 15 ++++++++ > .../0003-fix-loading-libc-python-perf.patch | 17 ++++++++++ > .../0004-fix-loading-librt-python-init.patch | 17 ++++++++++ > .../0005-fix-python-installation-path.patch | 15 ++++++++ > package/bcc/Config.in | 34 +++++++++++++++++++ > package/bcc/bcc.mk | 25 ++++++++++++++ > .../0001-fix-no-sys-auxv-header.patch | 22 ++++++++++++ > ...02-fix-missing-def-ADDR_NO_RANDOMIZE.patch | 13 +++++++ > package/bpftrace/0003-install-libparser.patch | 12 +++++++ > .../bpftrace/0004-install-libresources.patch | 12 +++++++ > package/bpftrace/0005-install-libarch.patch | 10 ++++++ > package/bpftrace/0006-install-libast.patch | 11 ++++++ > package/bpftrace/Config.in | 27 +++++++++++++++ > package/bpftrace/bpftrace.mk | 17 ++++++++++ > ...01-fix-undefined-reference-to-dladdr.patch | 13 +++++++ > package/llvm/Config.in | 6 ++++ > package/llvm/llvm.mk | 5 +++ > 19 files changed, 290 insertions(+) > create mode 100644 package/bcc/0001-fix-dlinfo.patch > create mode 100644 package/bcc/0002-fix-undefined-gzgets-runtime.patch > create mode 100644 package/bcc/0003-fix-loading-libc-python-perf.patch > create mode 100644 package/bcc/0004-fix-loading-librt-python-init.patch > create mode 100644 package/bcc/0005-fix-python-installation-path.patch > create mode 100644 package/bcc/Config.in > create mode 100644 package/bcc/bcc.mk > create mode 100644 package/bpftrace/0001-fix-no-sys-auxv-header.patch > create mode 100644 package/bpftrace/0002-fix-missing-def-ADDR_NO_RANDOMIZE.patch > create mode 100644 package/bpftrace/0003-install-libparser.patch > create mode 100644 package/bpftrace/0004-install-libresources.patch > create mode 100644 package/bpftrace/0005-install-libarch.patch > create mode 100644 package/bpftrace/0006-install-libast.patch > create mode 100644 package/bpftrace/Config.in > create mode 100644 package/bpftrace/bpftrace.mk > create mode 100644 package/clang/0001-fix-undefined-reference-to-dladdr.patch >