Fix offwaketime regression introduced by #ac00ac5
diff --git a/tools/offwaketime.py b/tools/offwaketime.py
index da9dbdb..665b666 100755
--- a/tools/offwaketime.py
+++ b/tools/offwaketime.py
@@ -140,7 +140,7 @@
 // of the Process who wakes it
 BPF_HASH(wokeby, u32, struct wokeby_t);
 
-BPF_STACK_TRACE(stack_traces, 2);
+BPF_STACK_TRACE(stack_traces, STACK_STORAGE_SIZE);
 
 int waker(struct pt_regs *ctx, struct task_struct *p) {
     // PID and TGID of the target Process to be waken