Date: Mon, 13 Sep 2021 17:36:40 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 254513] virtio_random: random_harvestq spinning on a CPU with Q35 virtio random device Message-ID: <bug-254513-27103-t14gSaw91n@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-254513-27103@https.bugs.freebsd.org/bugzilla/> References: <bug-254513-27103@https.bugs.freebsd.org/bugzilla/>
next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254513 --- Comment #23 from Conrad Meyer <cem@freebsd.org> --- We read a lot from random sources we expect to be =E2=80=9Cfast=E2=80=9D, l= ike virtio-rng. https://github.com/freebsd/freebsd-src/blob/main/sys/dev/random/random_harv= estq.c#L231 10Hz x 4B x HARVESTSIZE x (max) RANDOM_KEYSIZE_WORDS x 32 pools http://fxr.watson.org/fxr/source/dev/random/random_harvestq.h#L32 http://fxr.watson.org/fxr/source/dev/random/hash.h#L37 Up to about 20 kB/s. --=20 You are receiving this mail because: You are the assignee for the bug. You are on the CC list for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-254513-27103-t14gSaw91n>