From: Andy Lutomirski <luto@kernel.org>
To: "Sverdlin, Alexander (Nokia - DE/Ulm)" <alexander.sverdlin@nokia.com>
Cc: "x86@kernel.org" <x86@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Jason Vas Dias <jason.vas.dias@gmail.com>
Subject: Re: [PATCH v2] x86/vdso: implement clock_gettime(CLOCK_MONOTONIC_RAW, ...)
Date: Tue, 4 Jun 2019 10:39:06 -0700 [thread overview]
Message-ID: <CALCETrW6aE--Fo3qnK2zCAis5C-NraZtie4RBw59DVmzg5K_oA@mail.gmail.com> (raw)
In-Reply-To: <20190604164117.22154-1-alexander.sverdlin@nokia.com>
On Tue, Jun 4, 2019 at 9:42 AM Sverdlin, Alexander (Nokia - DE/Ulm)
<alexander.sverdlin@nokia.com> wrote:
>
> From: Alexander Sverdlin <alexander.sverdlin@nokia.com>
>
> Add CLOCK_MONOTONIC_RAW to the existing clock_gettime() vDSO
> implementation. This is based on the ideas of Jason Vas Dias and comments
> of Thomas Gleixner.
>
Can you benchmark this against pulling the mult and shift into the
per-clock base?
--Andy
next prev parent reply other threads:[~2019-06-04 17:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-28 8:01 [PATCH] x86/vdso: implement clock_gettime(CLOCK_MONOTONIC_RAW, ...) Sverdlin, Alexander (Nokia - DE/Ulm)
2019-05-28 18:01 ` Thomas Gleixner
2019-06-04 16:42 ` [PATCH v2] " Sverdlin, Alexander (Nokia - DE/Ulm)
2019-06-04 17:39 ` Andy Lutomirski [this message]
2019-06-05 14:41 ` [PATCH v3 0/2] x86/vdso: CLOCK_MONOTONIC_RAW implementation Sverdlin, Alexander (Nokia - DE/Ulm)
2019-06-05 14:41 ` [PATCH v3 1/2] x86/vdso: Move mult and shift into struct vgtod_ts Sverdlin, Alexander (Nokia - DE/Ulm)
2019-06-23 10:18 ` Thomas Gleixner
2019-06-24 9:16 ` Sverdlin, Alexander (Nokia - DE/Ulm)
2019-06-24 9:40 ` Thomas Gleixner
2019-06-27 12:00 ` Sverdlin, Alexander (Nokia - DE/Ulm)
2019-06-27 12:07 ` Thomas Gleixner
2019-06-27 12:15 ` Sverdlin, Alexander (Nokia - DE/Ulm)
2019-06-27 12:21 ` Thomas Gleixner
2019-06-05 14:41 ` [PATCH v3 2/2] x86/vdso: implement clock_gettime(CLOCK_MONOTONIC_RAW, ...) Sverdlin, Alexander (Nokia - DE/Ulm)
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