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

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Date:   Mon, 14 Jun 2021 21:00:52 +0530
From:   "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     "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

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.


Thanks,
Naveen