diff options
Diffstat (limited to 'kernel/gsp_sema_service.c')
| -rw-r--r-- | kernel/gsp_sema_service.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c index d9f5895..b7290d4 100644 --- a/kernel/gsp_sema_service.c +++ b/kernel/gsp_sema_service.c @@ -3136,6 +3136,7 @@ static void svc_pool_boot_store(u64 va, u64 pa, int ap); /* m168 */ static bool svc_dst_guard_hold(u64 va); /* m169b */ static bool svc_dst_guard_pending(u64 va); /* r231 */ static u32 svc_read_order_log; /* r231 budget */ +static u32 svc_atrace_log; /* r234 A-TRACE budget */ static int svc_pool_pa_lookup(u64 va, u64 *pa, int *ap) { @@ -5368,6 +5369,31 @@ static int svc_copy(struct nv_vgpu_device *vgpu, u64 dst, u64 src, size_t total, total); pr_info("sema-bigcopy: src16=%16phN dst16_before=%16phN\n", sb, db); + /* + * r234 A-TRACE: one labeled line per 64 KB copy so the probe A + * upload/readback is greppable end-to-end. pt=P1 = H2D source + * read (the uploaded bytes as ints), pt=P4 = D2H source read + * (the engine-authored page as ints). The expected content is + * ints 0,1,2,3,... for the probe A buffer. + */ + if (total == 65536u && svc_atrace_log < 128u) { + u32 i0, i1, i2, i3, j0 = 0, j1 = 0, j2 = 0, j3 = 0; + + svc_atrace_log++; + memcpy(&i0, sb, 4); + memcpy(&i1, sb + 4, 4); + memcpy(&i2, sb + 8, 4); + memcpy(&i3, sb + 12, 4); + memcpy(&j0, db, 4); + memcpy(&j1, db + 4, 4); + memcpy(&j2, db + 8, 4); + memcpy(&j3, db + 12, 4); + pr_info("vgsp: A-TRACE pt=%s dst_va=0x%llx dst_pa=0x%llx dst_prov=%u | src_va=0x%llx src_pa=0x%llx src_prov=%u | src_int4=%d %d %d %d dst_int4_before=%d %d %d %d\n", + dst_shadow || dst_aperture == CE_APERTURE_VID ? + "P1" : "P4", + dst_orig, dst, dst_prov, src_orig, src, + src_prov, i0, i1, i2, i3, j0, j1, j2, j3); + } } /* @@ -5738,6 +5764,24 @@ static int svc_copy(struct nv_vgpu_device *vgpu, u64 dst, u64 src, size_t total, } pr_info("sema-bigcopy: dst16_after=%16phN (dst_va=0x%llx pa=0x%llx)\n", da, dst_orig, dst); + /* + * r234 A-TRACE pt=P2/P4R: the destination content right after + * the copy - for H2D this is the landed upload (P2), for D2H + * the host-side readback result (P4R). + */ + if (total == 65536u && svc_atrace_log < 128u) { + u32 i0, i1, i2, i3; + + svc_atrace_log++; + memcpy(&i0, da, 4); + memcpy(&i1, da + 4, 4); + memcpy(&i2, da + 8, 4); + memcpy(&i3, da + 12, 4); + pr_info("vgsp: A-TRACE pt=%s dst_va=0x%llx dst_pa=0x%llx dst_int4_after=%d %d %d %d\n", + dst_shadow || dst_aperture == CE_APERTURE_VID ? + "P2" : "P4R", + dst_orig, dst, i0, i1, i2, i3); + } } if (gsp_sema_dbg && !src_shadow && !dst_shadow && |