| 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
| ||
|
Message-ID: <5622B101.9070404@plumgrid.com> Date: Sat, 17 Oct 2015 13:35:13 -0700 From: Alexei Starovoitov <ast@...mgrid.com> To: Wang Nan <wangnan0@...wei.com>, acme@...nel.org, brendan.d.gregg@...il.com Cc: a.p.zijlstra@...llo.nl, daniel@...earbox.net, dsahern@...il.com, hekuang@...wei.com, jolsa@...nel.org, lizefan@...wei.com, masami.hiramatsu.pt@...achi.com, namhyung@...nel.org, paulus@...ba.org, linux-kernel@...r.kernel.org, pi3orama@....com, xiakaixu@...wei.com Subject: Re: [RFC PATCH 0/7] perf tools: Config BPF maps through perf cmdline On 10/17/15 3:48 AM, Wang Nan wrote: > In these 7 patches: > > 1. perf is able to put values into map: > # perf record -e mybpf.c/maps.values.value=1234/ ... > > 2. perf is able to control different slots in a map separately: > # perf record -e mybpf.c/maps.values.value[1,4-6]=1234,maps.values.value[0,2-3]=5678/ ... > > 3. The second syntax can be applied to perf event also: > # perf record -v -a -e evt=cycles -e mybpf.c/maps.pmu_map.event[0]=evt/ ... > > 4. Compatible with the old syntax: > # perf record -v -a -e evt=cycles -e mybpf.c/maps.pmu_map.event=evt/ ... The concept looks good and solves real need. No opinion on implementation. -- 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