lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 4 Aug 2015 18:39:39 +0800 From: "Wangnan (F)" <wangnan0@...wei.com> To: Arnaldo Carvalho de Melo <acme@...nel.org>, pi3orama <pi3orama@....com> CC: He Kuang <hekuang@...wei.com>, Li Zefan <lizefan@...wei.com>, "Alexei Starovoitov" <ast@...mgrid.com>, Xia Kaixu <xiakaixu@...wei.com>, <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>, David Ahern <dsahern@...il.com>, Namhyung Kim <namhyung@...nel.org> Subject: Re: perf eBPF patch ordering. was: Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering events using eBPF programs On 2015/8/4 13:28, Wangnan (F) wrote: > Hi Arnaldo, > > The following changes since commit > 922cc21746202956acb41c89a6190bb50805fa31: > > perf tools: Introduce llvm config options (2015-07-31 12:17:50 -0300) > > are available in the git repository at: > > https://github.com/WangNan0/linux.git ebpf > > for you to fetch changes up to d85bf4b6470b8d860bbae25418e5ae3ccd9711e8: > > perf tools: Support attach BPF program on uprobe events (2015-08-04 > 04:59:20 +0000) > > ---------------------------------------------------------------- > > The new cset has following improvements: > > 1. Improve error message: now don't dump LLVM environment setting > messages > if clang is found. Also, describe how to pre-compile .c file into .o. > > See: perf tools: Call clang to compile C source to object code > https://github.com/WangNan0/linux/commit/264676a5b922aaf1e9be3800fe06d5b67b06cd12 > > > 2. Reorder patches, so when 'perf record' is able to accept '--event > file.c', the BPF filter > should work. Also, an example BPF script file is provided, and the > compilation > method is described in commit message. > > See: > perf tools: Infrastructure for compiling scriptlets when > passing '.c' to --event > https://github.com/WangNan0/linux/commit/eca622f4a88e1a791fc2405c398256ad572eba54 > > > 3. Introduce 'perf test BPF', which uses previous introduced > scriptlet, fork a > 'perf record' to utilise it and uses 'perf report' to check the > result. > > See: perf tests: Enforce LLVM test for BPF test > https://github.com/WangNan0/linux/commit/a7cdab453863c580446dc2c3a3f3a86f21b770ce > > > perf test: Enable 'perf test' run as test targets > https://github.com/WangNan0/linux/commit/b14f2627e95d348be5ec19bd24a5117e8c2ffe46 > > and > perf test: Add 'perf test BPF' > https://github.com/WangNan0/linux/commit/8414217dbfa57df4dbb55642dc26205e1c7cbdf1 > Just realized that 'tempnam' is not safe. Switch to mkdtemp. Please see the new version: https://github.com/WangNan0/linux/commit/bd02aed760c4a35fec4483d24c158799f05f6f9e and pull request update: The following changes since commit 922cc21746202956acb41c89a6190bb50805fa31: perf tools: Introduce llvm config options (2015-07-31 12:17:50 -0300) are available in the git repository at: https://github.com/WangNan0/linux.git ebpf for you to fetch changes up to 47ef1d2a64bd0e7931835e1c40caed21f793c8b8: perf tools: Support attach BPF program on uprobe events (2015-08-04 10:30:50 +0000) Thank you. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists