diff options
Diffstat (limited to 'kernel/tools/power/cpupower/utils/helpers/topology.c')
| -rw-r--r-- | kernel/tools/power/cpupower/utils/helpers/topology.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/kernel/tools/power/cpupower/utils/helpers/topology.c b/kernel/tools/power/cpupower/utils/helpers/topology.c index c13120af5..9cbb7fd75 100644 --- a/kernel/tools/power/cpupower/utils/helpers/topology.c +++ b/kernel/tools/power/cpupower/utils/helpers/topology.c @@ -76,13 +76,19 @@ int get_cpu_topology(struct cpupower_topology *cpu_top) 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), @@ -93,12 +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 |