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Expose thread_id in info cpus

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Based on patch by Glauber Costa:

To allow management applications like libvirt to apply CPU affinities to
the VCPU threads, expose their ID via info cpus. This patch provides the
pre-existing and used interface from qemu-kvm.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Jan Kiszka 2011-03-15 12:26:31 +01:00 • committed by Marcelo Tosatti
parent f2574737f6
commit dc7a09cfe4
8 changed files with 29 additions and 0 deletions
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2
cpus.c
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@ -776,6 +776,7 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
qemu_mutex_lock(&qemu_global_mutex);
qemu_thread_get_self(env->thread);
env->thread_id = qemu_get_thread_id();
r = kvm_init_vcpu(env);
if (r < 0) {
@ -817,6 +818,7 @@ static void *qemu_tcg_cpu_thread_fn(void *arg)
/* signal CPU creation */
qemu_mutex_lock(&qemu_global_mutex);
for (env = first_cpu; env != NULL; env = env->next_cpu) {
env->thread_id = qemu_get_thread_id();
env->created = 1;
}
qemu_cond_signal(&qemu_cpu_cond);