linux-kernel - Re: [PATCH v3 1/2] x86/fpu: track AVX-512 usage of tasks

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Message-ID: <CAEX_ruHFehkqopKPHSWRRE32vmDoyWYAr2cVJHLanVip_hVDVg@mail.gmail.com>
Date:   Tue, 20 Nov 2018 14:47:55 +0000
From:   Samuel Neves <sneves@....uc.pt>
To:     aubrey.li@...ux.intel.com
Cc:     dave.hansen@...el.com, aubrey.li@...el.com,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, peterz@...radead.org,
        "H. Peter Anvin" <hpa@...or.com>, ak@...ux.intel.com,
        tim.c.chen@...ux.intel.com,
        Arjan van de Ven <arjan@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] x86/fpu: track AVX-512 usage of tasks

On Tue, Nov 20, 2018 at 1:32 PM Li, Aubrey <aubrey.li@...ux.intel.com> wrote:
> Thanks for your program, Samuel, it's very helpful. But I saw a different
> output on my side, May I have your glibc version?
>

This system is running glibc 2.27, and kernel 4.18.7. The Xeon Gold
5120 also happens to be one of the Skylake-SP models with a single
512-bit FMA unit, instead of 2.

Samuel.