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-rw-r--r--tools/perf/util/header.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index f558f83769af..a33197a4fd21 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -716,18 +716,19 @@ static int build_cpu_topo(struct cpu_topo *tp, int cpu)
char filename[MAXPATHLEN];
char *buf = NULL, *p;
size_t len = 0;
+ ssize_t sret;
u32 i = 0;
int ret = -1;
sprintf(filename, CORE_SIB_FMT, cpu);
fp = fopen(filename, "r");
if (!fp)
- return -1;
-
- if (getline(&buf, &len, fp) <= 0)
- goto done;
+ goto try_threads;
+ sret = getline(&buf, &len, fp);
fclose(fp);
+ if (sret <= 0)
+ goto try_threads;
p = strchr(buf, '\n');
if (p)
@@ -743,7 +744,9 @@ static int build_cpu_topo(struct cpu_topo *tp, int cpu)
buf = NULL;
len = 0;
}
+ ret = 0;
+try_threads:
sprintf(filename, THRD_SIB_FMT, cpu);
fp = fopen(filename, "r");
if (!fp)