From: Khem Raj Date: Wed, 29 Jul 2020 02:28:52 +0000 (-0700) Subject: qemumips: Use 34Kf CPU emulation X-Git-Tag: lucaceresoli/bug-15201-perf-libtraceevent-missing~10432 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e68d2afd4a5529437824b5d6b9a2077c2fefd337;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git qemumips: Use 34Kf CPU emulation Few years ago we switched to using mips32r2 tunings for qemumips however the default CPU emulation still remained 24Kf which is not optimal for mips32r2 ISA for qemu [1], therefore switch to recommended 32Kf for CPU emulation when running qemu in system mode Boot time to console is ~1s faster with this setting, hopefully this should speed up qemumips in general [1] https://www.qemu.org/docs/master/system/target-mips.html#preferred-cpu-models-for-mips-hosts Signed-off-by: Khem Raj Signed-off-by: Richard Purdie --- diff --git a/meta/conf/machine/qemumips.conf b/meta/conf/machine/qemumips.conf index 31ad754483c..4617c3c7b6b 100644 --- a/meta/conf/machine/qemumips.conf +++ b/meta/conf/machine/qemumips.conf @@ -12,3 +12,5 @@ KERNEL_ALT_IMAGETYPE = "vmlinux.bin" SERIAL_CONSOLES ?= "115200;ttyS0 115200;ttyS1" QB_SYSTEM_NAME = "qemu-system-mips" + +QB_CPU = "-cpu 34Kf"