cpupower: Better detect offlined CPUs
[linux-2.6.git] / tools / power / cpupower / utils / helpers / topology.c
index 385ee5c..4eae2c4 100644 (file)
@@ -41,6 +41,8 @@ struct cpuid_core_info {
        unsigned int pkg;
        unsigned int thread;
        unsigned int cpu;
+       /* flags */
+       unsigned int is_online:1;
 };
 
 static int __compare(const void *t1, const void *t2)
@@ -78,6 +80,8 @@ int get_cpu_topology(struct cpupower_topology *cpu_top)
                return -ENOMEM;
        cpu_top->pkgs = cpu_top->cores = 0;
        for (cpu = 0; cpu < cpus; cpu++) {
+               cpu_top->core_info[cpu].cpu = cpu;
+               cpu_top->core_info[cpu].is_online = sysfs_is_cpu_online(cpu);
                cpu_top->core_info[cpu].pkg =
                        sysfs_topology_read_file(cpu, "physical_package_id");
                if ((int)cpu_top->core_info[cpu].pkg != -1 &&
@@ -85,7 +89,6 @@ int get_cpu_topology(struct cpupower_topology *cpu_top)
                        cpu_top->pkgs = cpu_top->core_info[cpu].pkg;
                cpu_top->core_info[cpu].core =
                        sysfs_topology_read_file(cpu, "core_id");
-               cpu_top->core_info[cpu].cpu = cpu;
        }
        cpu_top->pkgs++;