From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Josef Bacik <jbacik@fb.com>,
"ksummit-discuss@lists.linux-foundation.org"
<ksummit-discuss@lists.linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Josef Bacik <josef@toxicpanda.com>
Subject: Re: [Ksummit-discuss] [MAINTAINER TOPIC] tracepoints without user space interfaces
Date: Thu, 21 Sep 2017 18:45:24 +0900 [thread overview]
Message-ID: <20170921094524.GF773@jagdpanzerIV.localdomain> (raw)
In-Reply-To: <20170920111306.1a74f2ec@gandalf.local.home>
Hello,
On (09/20/17 11:13), Steven Rostedt wrote:
> On Wed, 20 Sep 2017 11:04:05 -0400
> Josef Bacik <josef@toxicpanda.com> wrote:
>
> > The tricky part is we want to be able to access these from eBPF. I argue that
> > eBPF is run in the kernel so it has the same rules as kernel modules. Others
> > seem less convinced of this argument, so it would be good to get a definitive
> > answer. Thanks,
>
> Note, adding a module to let eBPF access these tracepoints would also
> be trivial. Would a module be of issue at FB? It could be easily added
> at boot up.
JFI, seems that Josef's reply didn't make it to the ksummit-discuss list.
I'm interested in this topic, tho.
-ss
next prev parent reply other threads:[~2017-09-21 9:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-20 13:50 Steven Rostedt
2017-09-20 14:54 ` Josef Bacik
2017-09-20 15:04 ` Josef Bacik
2017-09-20 15:13 ` Steven Rostedt
2017-09-21 9:45 ` Sergey Senozhatsky [this message]
2017-09-29 23:50 ` Alexei Starovoitov
2017-10-04 0:55 ` Steven Rostedt
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