this patch introduces a -cpu-map option. It has the form C:x,y,z..., and have the effect of setting the affinity mask of vcpu C to processors x,y,z...
Signed-off-by: Glauber Costa <[EMAIL PROTECTED]> --- qemu/vl.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/qemu/vl.c b/qemu/vl.c index 4715594..fa830dd 100644 --- a/qemu/vl.c +++ b/qemu/vl.c @@ -8059,6 +8059,7 @@ static void help(int exitcode) "-no-kvm disable KVM hardware virtualization\n" #endif "-no-kvm-irqchip disable KVM kernel mode PIC/IOAPIC/LAPIC\n" + "-cpu-map C:x,y,z... set cpu 'C' affinity to processors x,y,z...\n" #endif #ifdef TARGET_I386 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" @@ -8177,6 +8178,7 @@ enum { QEMU_OPTION_no_acpi, QEMU_OPTION_no_kvm, QEMU_OPTION_no_kvm_irqchip, + QEMU_OPTION_cpu_map, QEMU_OPTION_no_reboot, QEMU_OPTION_show_cursor, QEMU_OPTION_daemonize, @@ -8263,6 +8265,7 @@ const QEMUOption qemu_options[] = { { "no-kvm", 0, QEMU_OPTION_no_kvm }, #endif { "no-kvm-irqchip", 0, QEMU_OPTION_no_kvm_irqchip }, + { "cpu-map", HAS_ARG, QEMU_OPTION_cpu_map }, #endif #if defined(TARGET_PPC) || defined(TARGET_SPARC) { "g", 1, QEMU_OPTION_g }, @@ -9211,6 +9214,16 @@ int main(int argc, char **argv) kvm_irqchip = 0; break; } + case QEMU_OPTION_cpu_map: { + int c = atoi(optarg); + char *ptr = strchr(optarg, ':'); + cpu_set_t set; + if (!ptr) + fprintf(stderr, "invalid cpu mapping %s\n", ptr); + process_cpu_set(++ptr, &set); + kvm_store_cpu_affinity(c, &set); + break; + } #endif case QEMU_OPTION_usb: usb_enabled = 1; -- 1.5.0.6 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel