sema-svc: targeted 256-byte op + compute-channel release-block tracing (the DtoH op is still invisible)

1 files changed, 16 insertions, 0 deletions

diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c
index 4ecfe14..8b5f4af 100644
--- a/kernel/gsp_sema_service.c
+++ b/kernel/gsp_sema_service.c
@@ -353,6 +353,7 @@ struct sema_svc {
 	u64			memsets_fail;
 	u64			ring_ops;		/* op runs from ring-decoded pushes */
 	u64			lda_log;		/* LAUNCH_DMA inventory budget */
+	u64			sem256_log;		/* 256-byte op trace budget */
 	u64			copy_watch_log;		/* sema_copy_watch log budget */
 	u64			copy_pat_log;		/* sema_copy_pat log budget */
 	u64			copy_dst_log;		/* sema_copy_dst log budget */
@@ -2303,6 +2304,13 @@ static void svc_run_ops(struct nv_vgpu_device *vgpu, struct svc_memset_op *ops,
 			svc.memsets_nomap++;
 		else
 			svc.memsets_fail++;
+		if (m->bytes == 256 && svc.sem256_log < 64) {
+			svc.sem256_log++;
+			pr_info("sema-256: type=%u dst=0x%llx src=0x%llx bytes=%llu rc=%d h=0x%x done=%llu nomap=%llu fail=%llu\n",
+				m->type, m->dst, m->src, m->bytes, rc, ch_h,
+				svc.memsets_done, svc.memsets_nomap,
+				svc.memsets_fail);
+		}
 		if ((rc == 0 && svc.memsets_done <= gsp_sema_ops_log) ||
 		    (rc != 0 && svc.memsets_fail + svc.memsets_nomap <= 64))
 			pr_info("sema-svc: %s dst=0x%llx value=0x%llx elem=%u count=%u bytes=%llu phys=%u ap=%u src=0x%llx srcphys=%u srcap=%u rc=%d h=0x%x\n",
@@ -3162,6 +3170,14 @@ static void svc_decode_stream(struct nv_vgpu_device *vgpu, const u8 *buf,
 				 * only the copy itself.
 				 */
 				if (allow_ops && n_ops && !gsp_sema_skip_ops) {
+					if (ch->engine_type == 0 &&
+					    svc.sem256_log < 64) {
+						svc.sem256_log++;
+						pr_info("sema-sem0: h=0x%x va=0x%llx allow=%u n_ops=%u skip=%u\n",
+							ch->h_object, sem_va,
+							allow_ops, n_ops,
+							gsp_sema_skip_ops);
+					}
 					svc_run_ops(vgpu, ops, n_ops, ch->h_object);
 					svc.ring_ops++;
 					ops_runs++;