diff --git a/tests/unit/test_fmha_smem_p.cu b/tests/unit/test_fmha_smem_p.cu
index 09d1ba87..49105607 100644
--- a/tests/unit/test_fmha_smem_p.cu
+++ b/tests/unit/test_fmha_smem_p.cu
@@ -36,6 +36,7 @@ test_fmha_smem_p(const bf16_t* __restrict__ q, const bf16_t* __restrict__ k,
                  float* __restrict__ o_scalar, float scale)
 {
     const int tid = threadIdx.x, wid = tid / 32, lane = tid % 32;
+    if (tid == 0) printf("Kernel started, smem=%d, wid=%d\n", threadIdx.x, wid);
 
     extern __shared__ char sbuf[];
     uint32_t* sTmemBase = (uint32_t*)sbuf;