linux-kernel - Re: [PATCH v4 19/23] kprobes: Remove kretprobe hash

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Message-ID: <20200828190245.GH1362448@hirez.programming.kicks-ass.net>
Date:   Fri, 28 Aug 2020 21:02:45 +0200
From:   peterz@...radead.org
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Eddy_Wu@...ndmicro.com,
        x86@...nel.org, davem@...emloft.net, rostedt@...dmis.org,
        naveen.n.rao@...ux.ibm.com, anil.s.keshavamurthy@...el.com,
        linux-arch@...r.kernel.org, cameron@...dycamel.com,
        oleg@...hat.com, will@...nel.org, paulmck@...nel.org
Subject: Re: [PATCH v4 19/23] kprobes: Remove kretprobe hash

On Sat, Aug 29, 2020 at 03:37:26AM +0900, Masami Hiramatsu wrote:
> cd /sys/kernel/debug/tracing/
> 
> echo r:schedule schedule >> kprobe_events
> echo 1 > events/kprobes/enable
> 
> sleep 333

Thanks! that does indeed trigger it reliably. Let me go have dinner and
then I'll try and figure out where it goes side-ways.