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c2a11e18c8
cpu_count() returns multiprocessing.cpu_count() but that is simply returns os.cpu_count() so we could use that directly. However this returns the number of CPUs on the host, not the number of usable CPUs on the host. If the user is using scheduler affinity then the number of usable CPUs may be less, so when determining how many cores we can use check the affinity instead. (From OE-Core rev: e2e8ccbe410b2f38bcd9525982b2261cf71aab60) Signed-off-by: Ross Burton <ross.burton@arm.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
QEMU Emulation Targets ====================== To simplify development, the build system supports building images to work with the QEMU emulator in system emulation mode. Several architectures are currently supported in 32 and 64 bit variants: * ARM (qemuarm + qemuarm64) * x86 (qemux86 + qemux86-64) * PowerPC (qemuppc only) * MIPS (qemumips + qemumips64) Use of the QEMU images is covered in the Yocto Project Reference Manual. The appropriate MACHINE variable value corresponding to the target is given in brackets.