linux-kernel - Re: [RFC 1/1] mm: Add per-task struct tlb counters

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Message-ID: <YyHB48HSs/1S6S08@hirez.programming.kicks-ass.net>
Date:   Wed, 14 Sep 2022 13:58:27 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     Joe Damato <jdamato@...tly.com>, x86@...nel.org,
        linux-mm@...ck.org, Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Valentin Schneider <vschneid@...hat.com>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [RFC 1/1] mm: Add per-task struct tlb counters

On Wed, Sep 14, 2022 at 12:40:55AM -0700, Dave Hansen wrote:
>  Why didn't the tracepoints work for you?

This; perf should be able to get you per-task slices of those events.