linux-kernel - Re: [PATCH] kprobes: Print an error if probe is rejected

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Message-Id: <20210619011516.dadbd24e27996bae62fd288f@kernel.org>
Date:   Sat, 19 Jun 2021 01:15:16 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        linux-kernel@...r.kernel.org,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] kprobes: Print an error if probe is rejected

Hi Naveen,

On Mon, 14 Jun 2021 21:00:52 +0530
"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com> wrote:

> Steven Rostedt wrote:
> > On Fri, 11 Jun 2021 19:25:38 +0530
> > "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com> wrote:
> > 
> >> We also have perf_event_open() as an interface to add probes, and I 
> >> don't think it would be helpful to require all tools to utilize the 
> >> error log from tracefs for this purpose.
> > 
> > The there should be a perf interface to read the errors. I agree with
> > Masami. Let's not have console logs for probe errors.
> 
> Ok, understood.

Will you update this?

Thank you,

> 
> 
> Thanks,
> Naveen
> 


-- 
Masami Hiramatsu <mhiramat@...nel.org>