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path: root/tools/power/cpupower/utils/helpers/topology.c
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Diffstat (limited to 'tools/power/cpupower/utils/helpers/topology.c')
-rw-r--r--tools/power/cpupower/utils/helpers/topology.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/tools/power/cpupower/utils/helpers/topology.c b/tools/power/cpupower/utils/helpers/topology.c
index cea398c176e7..9cbb7fd75171 100644
--- a/tools/power/cpupower/utils/helpers/topology.c
+++ b/tools/power/cpupower/utils/helpers/topology.c
@@ -73,18 +73,22 @@ int get_cpu_topology(struct cpupower_topology *cpu_top)
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);
- if (!cpu_top->core_info[cpu].is_online)
- continue;
if(sysfs_topology_read_file(
cpu,
"physical_package_id",
- &(cpu_top->core_info[cpu].pkg)) < 0)
- return -1;
+ &(cpu_top->core_info[cpu].pkg)) < 0) {
+ cpu_top->core_info[cpu].pkg = -1;
+ cpu_top->core_info[cpu].core = -1;
+ continue;
+ }
if(sysfs_topology_read_file(
cpu,
"core_id",
- &(cpu_top->core_info[cpu].core)) < 0)
- return -1;
+ &(cpu_top->core_info[cpu].core)) < 0) {
+ cpu_top->core_info[cpu].pkg = -1;
+ cpu_top->core_info[cpu].core = -1;
+ continue;
+ }
}
qsort(cpu_top->core_info, cpus, sizeof(struct cpuid_core_info),
@@ -95,12 +99,15 @@ int get_cpu_topology(struct cpupower_topology *cpu_top)
done by pkg value. */
last_pkg = cpu_top->core_info[0].pkg;
for(cpu = 1; cpu < cpus; cpu++) {
- if(cpu_top->core_info[cpu].pkg != last_pkg) {
+ if (cpu_top->core_info[cpu].pkg != last_pkg &&
+ cpu_top->core_info[cpu].pkg != -1) {
+
last_pkg = cpu_top->core_info[cpu].pkg;
cpu_top->pkgs++;
}
}
- cpu_top->pkgs++;
+ if (!cpu_top->core_info[0].pkg == -1)
+ cpu_top->pkgs++;
/* Intel's cores count is not consecutively numbered, there may
* be a core_id of 3, but none of 2. Assume there always is 0