diff options
Diffstat (limited to 'tools/perf/util/smt.c')
| -rw-r--r-- | tools/perf/util/smt.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/perf/util/smt.c b/tools/perf/util/smt.c index 453f6f6f29f3..3b791ef2cd50 100644 --- a/tools/perf/util/smt.c +++ b/tools/perf/util/smt.c @@ -23,8 +23,12 @@ int smt_on(void) char fn[256]; snprintf(fn, sizeof fn, - "devices/system/cpu/cpu%d/topology/thread_siblings", - cpu); + "devices/system/cpu/cpu%d/topology/core_cpus", cpu); + if (access(fn, F_OK) == -1) { + snprintf(fn, sizeof fn, + "devices/system/cpu/cpu%d/topology/thread_siblings", + cpu); + } if (sysfs__read_str(fn, &str, &strlen) < 0) continue; /* Entry is hex, but does not have 0x, so need custom parser */ |