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-rw-r--r--kernel/gsp_sema_service.c42
1 files changed, 35 insertions, 7 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c
index 21f0de0..e336277 100644
--- a/kernel/gsp_sema_service.c
+++ b/kernel/gsp_sema_service.c
@@ -351,6 +351,8 @@ 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_rel_dbg; /* rel-apply diagnostic budget */
+ u64 counter_pub_dbg; /* counter-publish diagnostic budget */
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;
@@ -2107,6 +2109,7 @@ static void svc_counter_release_apply(struct nv_vgpu_device *vgpu, u32 h,
u64 pa = 0;
u32 cur = 0;
int i;
+ u32 dbg = 0;
if (!h || !payload)
return;
@@ -2119,21 +2122,43 @@ static void svc_counter_release_apply(struct nv_vgpu_device *vgpu, u32 h,
}
}
spin_unlock_irqrestore(&svc.chan_lock, flags);
- if (!pa)
+ if (!pa) {
+ if (svc.counter_rel_dbg < 32) {
+ svc.counter_rel_dbg++;
+ pr_info("sema-chan: rel-apply h=0x%x pay=%u -> no slot registered\n",
+ h, payload);
+ }
return;
+ }
- if (svc_read_ap(vgpu, pa, SVC_APERTURE_SYS, &cur, sizeof(cur)))
+ if (svc_read_ap(vgpu, pa, SVC_APERTURE_SYS, &cur, sizeof(cur))) {
+ if (svc.counter_rel_dbg < 32) {
+ svc.counter_rel_dbg++;
+ pr_info("sema-chan: rel-apply h=0x%x pa=0x%llx pay=%u -> read failed\n",
+ h, pa, payload);
+ }
return;
- if (payload <= cur || payload - cur > 0x100000)
+ }
+ if (payload <= cur || payload - cur > 0x100000) {
+ if (svc.counter_rel_dbg < 32) {
+ svc.counter_rel_dbg++;
+ pr_info("sema-chan: rel-apply h=0x%x pa=0x%llx pay=%u cur=%u -> skip\n",
+ h, pa, payload, cur);
+ }
return;
+ }
if (svc_write_ap(vgpu, pa, SVC_APERTURE_SYS, &payload,
sizeof(payload)))
return;
svc.releases_applied++;
svc.counter_rel_applied++;
svc.post_hint_until = jiffies + 10 * HZ;
- pr_info_ratelimited("sema-chan: counter release h=0x%x pa=0x%llx val=%u (was %u)\n",
- h, pa, payload, cur);
+ if (svc.counter_rel_dbg < 32) {
+ svc.counter_rel_dbg++;
+ pr_info("sema-chan: rel-apply h=0x%x pa=0x%llx pay=%u cur=%u -> written\n",
+ h, pa, payload, cur);
+ }
+ (void)dbg;
}
/*
@@ -3966,8 +3991,11 @@ static void svc_counter_publish(struct nv_vgpu_device *vgpu,
&val, sizeof(val)))
return;
ch->counter_last = val;
- pr_info_ratelimited("sema-chan: counter publish h=0x%x pa=0x%llx val=%u\n",
- ch->h_object, ch->counter_pa, val);
+ if (svc.counter_pub_dbg < 48) {
+ svc.counter_pub_dbg++;
+ pr_info("sema-chan: counter publish h=0x%x pa=0x%llx val=%u (was %u)\n",
+ ch->h_object, ch->counter_pa, val, cur);
+ }
}
/*