1 files changed, 8 insertions, 0 deletions

diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index cd872e9c3a9c..ba5efa4710b5 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -828,6 +828,9 @@ static int count_process_nodes(int process_nr)
                 td = g->threads + task_nr;
 
                 node = numa_node_of_cpu(td->curr_cpu);
+                if (node < 0) /* curr_cpu was likely still -1 */
+                        return 0;
+
                 node_present[node] = 1;
         }
 
@@ -882,6 +885,11 @@ static void calc_convergence_compression(int *strong)
         for (p = 0; p < g->p.nr_proc; p++) {
                 unsigned int nodes = count_process_nodes(p);
 
+                if (!nodes) {
+                        *strong = 0;
+                        return;
+                }
+
                 nodes_min = min(nodes, nodes_min);
                 nodes_max = max(nodes, nodes_max);
         }