From 6a9568401cbf8bed89d1f63dae61a07a83a20b50 Mon Sep 17 00:00:00 2001 From: Victor Kamensky Date: Wed, 7 Oct 2020 13:38:38 -0700 Subject: qemumips: use 34Kf-64tlb CPU emulation In order to improve performance of qemumips autobuilder test runs, let's use 34Kf-64tlb cpu type that was introduced in OE version of qemu. 34Kf-64tlb cpu type is identical to 34Kf but it has 64 TLBs configure vs original 16 TLBs. The change in number of TLBs in emulated CPU reduces TLB trash and reduces number of times TLB refill kernel code runs, and therefore siginificantly improves tests execution time. Note 34Kf-64tlb qemu cpu type does not exist in upstream, so far it is added as patch in OE. See qemu 34Kf-64tlb cpu addition commit for more details. Fixes https://bugzilla.yoctoproject.org/show_bug.cgi?id=13992 Signed-off-by: Victor Kamensky Signed-off-by: Richard Purdie --- meta/conf/machine/qemumips.conf | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/meta/conf/machine/qemumips.conf b/meta/conf/machine/qemumips.conf index 1373e4cba0..b8c80f02ef 100644 --- a/meta/conf/machine/qemumips.conf +++ b/meta/conf/machine/qemumips.conf @@ -15,4 +15,4 @@ SERIAL_CONSOLES ?= "115200;ttyS0 115200;ttyS1" QB_SYSTEM_NAME = "qemu-system-mips" -QB_CPU = "-cpu 34Kf" +QB_CPU = "-cpu 34Kf-64tlb" -- cgit 1.2.3-korg