LU-1854 ptlrpc: track culled request seq

[fs/lustre-release.git] / lustre / ptlrpc / lproc_ptlrpc.c

diff --git a/lustre/ptlrpc/lproc_ptlrpc.c b/lustre/ptlrpc/lproc_ptlrpc.c
index 3ec4f74..50a981f 100644 (file)
--- a/lustre/ptlrpc/lproc_ptlrpc.c
+++ b/lustre/ptlrpc/lproc_ptlrpc.c
@@ -428,7 +428,11 @@ ptlrpc_lprocfs_svc_req_history_seek(struct ptlrpc_service_part *svcpt,
                  * be near the head), we shouldn't have to do long
                  * re-scans */
                 LASSERT (srhi->srhi_seq == srhi->srhi_req->rq_history_seq);
-               LASSERT(!cfs_list_empty(&svcpt->scp_hist_reqs));
+               LASSERTF(!cfs_list_empty(&svcpt->scp_hist_reqs),
+                        "%s:%d: seek offset "LPU64", request seq "LPU64", "
+                        "last culled "LPU64"\n",
+                        svcpt->scp_service->srv_name, svcpt->scp_cpt,
+                        seq, srhi->srhi_seq, svcpt->scp_hist_seq_culled);
                e = &srhi->srhi_req->rq_history_list;
        } else {
                /* search from start */