From: fche@redhat.com (Frank Ch. Eigler)
To: Alexei Starovoitov <ast@plumgrid.com>
Cc: Andi Kleen <andi@firstfloor.org>, Ingo Molnar <mingo@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Tom Zanussi <tom.zanussi@linux.intel.com>,
Jovi Zhangwei <jovi.zhangwei@gmail.com>,
Eric Dumazet <edumazet@google.com>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH tip 0/5] tracing filters with BPF
Date: Thu, 05 Dec 2013 11:11:57 -0500 [thread overview]
Message-ID: <y0meh5rs2eq.fsf@fche.csb> (raw)
In-Reply-To: <CAMEtUuzWLcTOeQSrhEQHVn7DbuoJn7bNek9-toQ9xZYzya3-ag@mail.gmail.com> (Alexei Starovoitov's message of "Wed, 4 Dec 2013 20:40:44 -0800")
ast wrote:
>>[...]
> Did simple ktap test with 1M alloc_skb/kfree_skb toy test from earlier email:
> trace skb:kfree_skb {
> if (arg2 == 0x100) {
> printf("%x %x\n", arg1, arg2)
> }
> }
> [...]
For reference, you might try putting systemtap into the performance
comparison matrix too:
# stap -e 'probe kernel.trace("kfree_skb") {
if ($location == 0x100 /* || $location == 0x200 etc. */ ) {
printf("%x %x\n", $skb, $location)
}
}'
- FChE
next prev parent reply other threads:[~2013-12-05 16:12 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-03 4:28 [RFC PATCH tip 0/5] tracing filters with BPF Alexei Starovoitov
2013-12-03 4:28 ` [RFC PATCH tip 1/5] Extended BPF core framework Alexei Starovoitov
2013-12-03 4:28 ` [RFC PATCH tip 2/5] Extended BPF JIT for x86-64 Alexei Starovoitov
2013-12-03 4:28 ` [RFC PATCH tip 3/5] Extended BPF (64-bit BPF) design document Alexei Starovoitov
2013-12-03 17:01 ` H. Peter Anvin
2013-12-03 19:59 ` Alexei Starovoitov
2013-12-03 20:41 ` Frank Ch. Eigler
2013-12-03 21:31 ` Alexei Starovoitov
2013-12-04 9:24 ` Ingo Molnar
2013-12-03 4:28 ` [RFC PATCH tip 4/5] use BPF in tracing filters Alexei Starovoitov
2013-12-04 0:48 ` Masami Hiramatsu
2013-12-04 1:11 ` Steven Rostedt
2013-12-05 0:05 ` Masami Hiramatsu
2013-12-05 5:11 ` Alexei Starovoitov
2013-12-06 8:43 ` Masami Hiramatsu
2013-12-06 10:05 ` Jovi Zhangwei
2013-12-06 23:48 ` Masami Hiramatsu
2013-12-08 18:22 ` Frank Ch. Eigler
2013-12-09 10:12 ` Masami Hiramatsu
2013-12-03 4:28 ` [RFC PATCH tip 5/5] tracing filter examples in BPF Alexei Starovoitov
2013-12-04 0:35 ` Jonathan Corbet
2013-12-04 1:21 ` Alexei Starovoitov
2013-12-03 9:16 ` [RFC PATCH tip 0/5] tracing filters with BPF Ingo Molnar
2013-12-03 15:33 ` Steven Rostedt
2013-12-03 18:26 ` Alexei Starovoitov
2013-12-04 1:13 ` Masami Hiramatsu
2013-12-09 7:29 ` Namhyung Kim
2013-12-09 9:51 ` Masami Hiramatsu
2013-12-03 18:06 ` Alexei Starovoitov
2013-12-04 9:34 ` Ingo Molnar
2013-12-04 17:36 ` Alexei Starovoitov
2013-12-05 10:38 ` Ingo Molnar
2013-12-06 5:43 ` Alexei Starovoitov
2013-12-03 10:34 ` Masami Hiramatsu
2013-12-04 0:01 ` Andi Kleen
2013-12-04 3:09 ` Alexei Starovoitov
2013-12-05 4:40 ` Alexei Starovoitov
2013-12-05 10:41 ` Ingo Molnar
2013-12-05 13:46 ` Steven Rostedt
2013-12-05 22:36 ` Alexei Starovoitov
2013-12-05 23:37 ` Steven Rostedt
2013-12-06 4:49 ` Alexei Starovoitov
2013-12-10 15:47 ` Ingo Molnar
2013-12-11 2:32 ` Alexei Starovoitov
2013-12-11 3:35 ` Masami Hiramatsu
2013-12-12 2:48 ` Alexei Starovoitov
2013-12-05 16:11 ` Frank Ch. Eigler [this message]
2013-12-05 19:43 ` Alexei Starovoitov
2013-12-06 0:14 ` Andi Kleen
2013-12-06 1:10 ` H. Peter Anvin
2013-12-06 1:20 ` Andi Kleen
2013-12-06 1:28 ` H. Peter Anvin
2013-12-06 21:43 ` Frank Ch. Eigler
2013-12-06 5:16 ` Alexei Starovoitov
2013-12-06 23:54 ` Masami Hiramatsu
2013-12-07 1:01 ` Alexei Starovoitov
2013-12-06 5:46 ` Jovi Zhangwei
2013-12-07 1:12 ` Alexei Starovoitov
2013-12-07 16:53 ` Jovi Zhangwei
2013-12-06 5:19 ` Jovi Zhangwei
2013-12-06 23:58 ` Masami Hiramatsu
2013-12-07 16:21 ` Jovi Zhangwei
2013-12-09 4:59 ` Masami Hiramatsu
2013-12-06 6:17 ` Jovi Zhangwei
2013-12-05 16:31 ` Frank Ch. Eigler
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