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Date:   Mon, 26 Mar 2018 20:49:36 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     David Rientjes <rientjes@...gle.com>
Cc:     Laurent Dufour <ldufour@...ux.vnet.ibm.com>,
        paulmck@...ux.vnet.ibm.com, peterz@...radead.org,
        akpm@...ux-foundation.org, kirill@...temov.name, mhocko@...nel.org,
        dave@...olabs.net, jack@...e.cz,
        Matthew Wilcox <willy@...radead.org>, benh@...nel.crashing.org,
        mpe@...erman.id.au, paulus@...ba.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, hpa@...or.com,
        Will Deacon <will.deacon@....com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        kemi.wang@...el.com, sergey.senozhatsky.work@...il.com,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        haren@...ux.vnet.ibm.com, khandual@...ux.vnet.ibm.com,
        npiggin@...il.com, bsingharora@...il.com,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        linuxppc-dev@...ts.ozlabs.org, x86@...nel.org
Subject: Re: [PATCH v9 21/24] perf tools: Add support for the SPF perf event

On Mon, Mar 26, 2018 at 02:44:48PM -0700, David Rientjes wrote:
> On Tue, 13 Mar 2018, Laurent Dufour wrote:
> 
> > Add support for the new speculative faults event.
> > 
> > Signed-off-by: Laurent Dufour <ldufour@...ux.vnet.ibm.com>
> 
> Acked-by: David Rientjes <rientjes@...gle.com>
> 
> Aside: should there be a new spec_flt field for struct task_struct that 
> complements maj_flt and min_flt and be exported through /proc/pid/stat?

No. task_struct is already too bloated. If you need per process tracking 
you can always get it through trace points.

-Andi

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