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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-29 15:48:18 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-29 15:48:18 -0400 |
| commit | 8780fbb3eaea0b08a727898a5e5d62462307091d (patch) | |
| tree | 36303447093d4e1f8ba987e2f19e154fcf88490b | |
| parent | 94af95e7d5063b18dff02abf0a124200de40b576 (diff) | |
| download | open-iov-8780fbb3eaea0b08a727898a5e5d62462307091d.tar.gz open-iov-8780fbb3eaea0b08a727898a5e5d62462307091d.zip | |
sema-svc: diagnostics for GR counter release/publish paths
| -rw-r--r-- | kernel/gsp_sema_service.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c index d4cab22..b9cb40b 100644 --- a/kernel/gsp_sema_service.c +++ b/kernel/gsp_sema_service.c @@ -351,6 +351,9 @@ struct sema_svc { u64 releases_jumped; /* applied with gap > 1 */ u64 releases_faked; /* skipped-entry fallback */ u64 counter_rel_applied; /* releases to registered counters */ + u64 counter_pub_calls; /* publishes that found a registered counter */ + u64 gr_rel_applied; /* release writes into the GR counter page */ + u64 gr_rel_log; u64 builds; u64 gpfifo_entries_done; /* entries consumed via GPFIFO */ u64 gpfifo_nomap; /* GPFIFO/pushbuf VA not mapped */ @@ -1773,6 +1776,8 @@ static void svc_rebuild(struct nv_vgpu_device *vgpu) svc.memsets_fail, svc.ring_ops, svc.ops_denied, svc.false_trans, svc.gpfifo_skipped, svc.releases_faked, svc.counter_rel_applied); + pr_info("sema-svc: counter pub_calls=%llu gr_rel=%llu\n", + svc.counter_pub_calls, svc.gr_rel_applied); pr_info("sema-svc: gpfifo done=%llu nomap=%llu vidmem_writes=%llu ring_auto=%u pb=%u/%u pins=%u/%llu ipins=%u/%llu\n", svc.gpfifo_entries_done, svc.gpfifo_nomap, svc.vidmem_writes, svc_ring_n, svc_pb_n, svc_pb_passes, @@ -2561,6 +2566,16 @@ static void svc_decode_stream(struct nv_vgpu_device *vgpu, const u8 *buf, if (!svc_sem_write(vgpu, sem_va, cur)) { svc.releases_applied++; svc.post_hint_until = jiffies + 10 * HZ; + if (ch_eng == 0 && + sem_va >= 0x204000000ULL && + sem_va < 0x204100000ULL) { + svc.gr_rel_applied++; + if (svc.gr_rel_log < 48) { + svc.gr_rel_log++; + pr_info("sema-chan: gr release h=0x%x va=0x%llx pay=%u\n", + ch_h, sem_va, cur); + } + } } } @@ -3881,6 +3896,7 @@ static void svc_counter_publish(struct nv_vgpu_device *vgpu, if (!ch->counter_pa) return; + svc.counter_pub_calls++; val = put; if (val == ch->counter_last) |