diff options
Diffstat (limited to 'kernel/gsp_sema_service.c')
| -rw-r--r-- | kernel/gsp_sema_service.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c index 4c063db..fb096f1 100644 --- a/kernel/gsp_sema_service.c +++ b/kernel/gsp_sema_service.c @@ -3962,6 +3962,7 @@ static void svc_session_flush(void); /* defined next to the pending queue */ #define SVC_LEDGER_EVICT_RESET 256u static u32 svc_ledger_n; static u64 svc_ledger_diverges; +static u32 svc_d2hmap_log; /* D2H-MAP per-page destination budget */ static u64 svc_ledger_stores; static u64 svc_ledger_evictions; static u64 svc_ledger_evict_since_reset; @@ -5880,6 +5881,7 @@ static int svc_copy(struct nv_vgpu_device *vgpu, u64 dst, u64 src, size_t total, u32 aper = 0; u64 lpa = 0; u32 lap = 0; + u32 wprov = 0; if (svc_op_translate(vgpu, dst_orig + o, &pa, &aper)) { /* @@ -5892,6 +5894,7 @@ static int svc_copy(struct nv_vgpu_device *vgpu, u64 dst, u64 src, size_t total, pa = lpa; aper = (lap == SVC_APERTURE_FB) ? CE_APERTURE_VID : CE_APERTURE_SYS; + wprov = 0xF1; } else if (dst_orig >= SVC_VAS_FLOOR && !svc_ledger_lookup(dst_orig + o, &lpa, &lap) && ((lpa & ~(u64)(SEMA_PAGE_SIZE - 1)) != @@ -5906,12 +5909,27 @@ static int svc_copy(struct nv_vgpu_device *vgpu, u64 dst, u64 src, size_t total, * stay consistent with it. */ svc_ledger_diverges++; - if (svc_ledger_diverges <= 32) + if (svc_ledger_diverges <= 512) pr_info("sema-ledger: DIVERGE write va=0x%llx prev=0x%llx cur=0x%llx\n", dst_orig + o, lpa, pa); pa = lpa; aper = (lap == SVC_APERTURE_FB) ? CE_APERTURE_VID : CE_APERTURE_SYS; + wprov = 0xF0; + } else { + wprov = svc.op_tr_src; + } + /* + * D2H-MAP (diagnostic): per-page destination + * resolution of large host-dest copies - the direct + * witness for which guest pages a readback lands on. + * Bounded; one line per 4 KB page of copies >= 1 MB. + */ + if (total >= (1u << 20) && !(o & (SEMA_PAGE_SIZE - 1)) && + svc_d2hmap_log < 4096u) { + svc_d2hmap_log++; + pr_info("sema-d2hmap: va=0x%llx o=%zu pa=0x%llx ap=%u prov=%u\n", + dst_orig + o, o, pa, aper, wprov); } if (aper == CE_APERTURE_VID) { u8 *base = vgpu->bars[1].vaddr; |