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[204.195.120.218]) by smtp.gmail.com with ESMTPSA id i10-20020a17090a2a0a00b0020b21019086sm8599589pjd.3.2023.02.25.12.54.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Feb 2023 12:54:26 -0800 (PST) Date: Sat, 25 Feb 2023 12:54:25 -0800 From: Stephen Hemminger To: Michael Richardson via Bloat Message-ID: <20230225125425.7d440ba9@hermes.local> In-Reply-To: <27972.1677357422@localhost> References: <27972.1677357422@localhost> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/WLtqakAr+haRa3PDqi/ieMQ"; protocol="application/pgp-signature"; micalg=pgp-sha256 Subject: Re: [Bloat] WSL2 + fq_codel X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Feb 2023 20:54:28 -0000 --Sig_/WLtqakAr+haRa3PDqi/ieMQ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Sat, 25 Feb 2023 15:37:02 -0500 Michael Richardson via Bloat wrote: > Dave Taht via Bloat wrote: > > I so want to believe... I so want to believe... can anyone confirm?= =20 >=20 > > https://raw.githubusercontent.com/microsoft/WSL2-Linux-Kernel/linux= -msft-wsl-5.15.y/Microsoft/config-wsl =20 >=20 > But, AFAIK, WSL isn't a kernel. It's an implementation of the Linux ABI = on > top of Windows service(s). If you told me that they build some of it from > actual Linux kernel sources, I'd believe you. (Rather like User-Mode-Lin= ux) >=20 > If you told me that they have a kernel that they build for when they actu= ally > spin up an actual VM (such as to run containers) that would also be unsur= prising. >=20 > > ... =20 >=20 > > CONFIG_NET_SCH_DEFAULT=3Dy > > CONFIG_DEFAULT_FQ_CODEL=3Dy > > # CONFIG_DEFAULT_PFIFO_FAST is not set > > CONFIG_DEFAULT_NET_SCH=3D"fq_codel" =20 >=20 > It would be nice if the billion windows desktops started doing > something better, but I don't think it will help observed latency. > The real question is what the default schedule for the default Azure Linu= x VM > is. >=20 I think WSL2 is actually a full Linux VM running in Hyper-V. --Sig_/WLtqakAr+haRa3PDqi/ieMQ Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEn2/DRbBb5+dmuDyPgKd/YJXN5H4FAmP6dYEACgkQgKd/YJXN 5H5wKxAAnVDqVrcJKNRVOWWENFrzTqi3mwcabwecF/uuxcVF8B4WYEjNBRkPMtHx sXH+z1+xGd2f5BW7McZdXjE9XN+FfnObxPlIa5EQrUztPdr8TQTSGddn34QcL6ZB fTitpfSqMo3QKuDL+zQhchfrvh0Zt8NYnpPRJv7fXcsOOZYd3RrnVpUGr0w59Mau H7pldezoMWGbIB3zzHuEkAALJahTVaLu0qJuorU4tqPYYGbdqIPvs64A2refQ/ZT C0/DiwHuuHK/tUgDLucrt1Y9CEewKqucV7MuTukWTcc7lOff0+PJcqDYfcofELgn g1XiNQT/YQ3kzy9nCl/TDI35Vp7s+2PR/0a4izkcvL4hfMX4MkbeBH9QKDxzCUi2 YnDPEdV0TdklmFrXXdRfq+/8SgHLl6dL2lr0qC8J2RMzMU+Mhuyf43BaTw6u9D+b Jg2Wry8BKFciXGkd93TtDhFu+jQG7+DPYXY3xazhCtG97OncmvwZCDfTuM+DR/r/ IG+u1/dO47/I/D2ZAOjgc7RYs3/COgxvSS3Bss7B24D+/aT9T93KowBTAiW2gIvL U0x93SMqQpS7PEWWNW3PC2TwtjT0NNwYT6PpgTKRDbY3wdNixysiaRZp/ajZDE6u mD3gJWNvp/q+qJf93ee5FULdgBVT3bbkx/3tEWKHdTTAh9gDmEA= =ROK/ -----END PGP SIGNATURE----- --Sig_/WLtqakAr+haRa3PDqi/ieMQ--