diff options
Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_query.c')
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_query.c | 393 |
1 files changed, 392 insertions, 1 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_query.c b/src/gallium/drivers/nvc0/nvc0_query.c index d329148de62..5c4431e5af5 100644 --- a/src/gallium/drivers/nvc0/nvc0_query.c +++ b/src/gallium/drivers/nvc0/nvc0_query.c @@ -26,6 +26,7 @@ #include "nvc0_context.h" #include "nouveau/nv_object.xml.h" +#include "nve4_compute.xml.h" #define NVC0_QUERY_STATE_READY 0 #define NVC0_QUERY_STATE_ACTIVE 1 @@ -36,6 +37,7 @@ struct nvc0_query { uint32_t *data; uint16_t type; uint16_t index; + int8_t ctr[4]; uint32_t sequence; struct nouveau_bo *bo; uint32_t base; @@ -49,6 +51,11 @@ struct nvc0_query { #define NVC0_QUERY_ALLOC_SPACE 256 +static void nve4_mp_pm_query_begin(struct nvc0_context *, struct nvc0_query *); +static void nve4_mp_pm_query_end(struct nvc0_context *, struct nvc0_query *); +static boolean nve4_mp_pm_query_result(struct nvc0_context *, + struct nvc0_query *, void *, boolean); + static INLINE struct nvc0_query * nvc0_query(struct pipe_query *pipe) { @@ -132,6 +139,16 @@ nvc0_query_create(struct pipe_context *pipe, unsigned type) space = 16; break; default: + if (nvc0->screen->base.class_3d >= NVE4_3D_CLASS && + nvc0->screen->base.device->drm_version >= 0x01000101) { + if (type >= NVE4_PM_QUERY(0) && + type <= NVE4_PM_QUERY_MAX) { + /* 8 counters per MP + clock */ + space = 12 * nvc0->screen->mp_count * sizeof(uint32_t); + break; + } + } + debug_printf("invalid query type: %u\n", type); FREE(q); return NULL; } @@ -244,6 +261,8 @@ nvc0_query_begin(struct pipe_context *pipe, struct pipe_query *pq) nvc0_query_get(push, q, 0xc0 + 0x90, 0x0e809002); /* TEP, LAUNCHES */ break; default: + if (q->type >= NVE4_PM_QUERY(0) && q->type <= NVE4_PM_QUERY_MAX) + nve4_mp_pm_query_begin(nvc0, q); break; } q->state = NVC0_QUERY_STATE_ACTIVE; @@ -314,7 +333,8 @@ nvc0_query_end(struct pipe_context *pipe, struct pipe_query *pq) nvc0_query_get(push, q, 0x00, 0x0d005002 | (q->index << 5)); break; default: - assert(0); + if (q->type >= NVE4_PM_QUERY(0) && q->type <= NVE4_PM_QUERY_MAX) + nve4_mp_pm_query_end(nvc0, q); break; } } @@ -343,6 +363,9 @@ nvc0_query_result(struct pipe_context *pipe, struct pipe_query *pq, uint64_t *data64 = (uint64_t *)q->data; unsigned i; + if (q->type >= NVE4_PM_QUERY(0) && q->type <= NVE4_PM_QUERY_MAX) + return nve4_mp_pm_query_result(nvc0, q, result, wait); + if (q->state != NVC0_QUERY_STATE_READY) nvc0_query_update(nvc0->screen->base.client, q); @@ -399,6 +422,7 @@ nvc0_query_result(struct pipe_context *pipe, struct pipe_query *pq, res32[0] = q->data[1]; break; default: + assert(0); /* can't happen, we don't create queries with invalid type */ return FALSE; } @@ -513,6 +537,373 @@ nvc0_so_target_save_offset(struct pipe_context *pipe, nvc0_query_end(pipe, targ->pq); } + +/* === PERFORMANCE MONITORING COUNTERS === */ + +/* Code to read out MP counters: They are accessible via mmio, too, but let's + * just avoid mapping registers in userspace. We'd have to know which MPs are + * enabled/present, too, and that information is not presently exposed. + * We could add a kernel interface for it, but reading the counters like this + * has the advantage of being async (if get_result isn't called immediately). + */ +static const uint64_t nve4_read_mp_pm_counters_code[] = +{ + 0x2042004270420047ULL, /* sched */ + 0x2800400000001de4ULL, /* mov b32 $r0 c0[0] (04) */ + 0x2c0000000c009c04ULL, /* mov b32 $r2 $physid (20) */ + 0x2800400010005de4ULL, /* mov b32 $r1 c0[4] (04) */ + 0x2c0000008400dc04ULL, /* mov b32 $r3 $tidx (27) */ + 0x7000c01050209c03ULL, /* ext u32 $r2 $r2 0x0414 (04) */ + 0x2c00000010011c04ULL, /* mov b32 $r4 $pm0 (20) */ + 0x190e0000fc33dc03ULL, /* set $p1 eq u32 $r3 0 (04) */ + 0x2280428042804277ULL, /* sched */ + 0x2c00000014015c04ULL, /* mov b32 $r5 $pm1 (27) */ + 0x10000000c0209c02ULL, /* mul $r2 u32 $r2 u32 48 (04) */ + 0x2c00000018019c04ULL, /* mov b32 $r6 $pm2 (28) */ + 0x4801000008001c03ULL, /* add b32 ($r0 $c) $r0 $r2 (04) */ + 0x2c0000001c01dc04ULL, /* mov b32 $r7 $pm3 (28) */ + 0x0800000000105c42ULL, /* add b32 $r1 $r1 0 $c (04) */ + 0x2c00000140009c04ULL, /* mov b32 $r2 $clock (28) */ + 0x2042804200420047ULL, /* sched */ + 0x94000000000107c5ULL, /* $p1 st b128 wt g[$r0d] $r4q (04) */ + 0x2c00000020011c04ULL, /* mov b32 $r4 $pm4 (20) */ + 0x2c00000024015c04ULL, /* mov b32 $r5 $pm5 (04) */ + 0x2c00000028019c04ULL, /* mov b32 $r6 $pm6 (20) */ + 0x2c0000002c01dc04ULL, /* mov b32 $r7 $pm7 (04) */ + 0x2c0000014400dc04ULL, /* mov b32 $r3 $clockhi (28) */ + 0x94000000400107c5ULL, /* $p1 st b128 wt g[$r0d+16] $r4q (04) */ + 0x200002e042804207ULL, /* sched */ + 0x2800400020011de4ULL, /* mov b32 $r4 c0[8] (20) */ + 0x2c0000000c015c04ULL, /* mov b32 $r5 $physid (04) */ + 0x94000000800087a5ULL, /* $p1 st b64 wt g[$r0d+32] $r2d (28) */ + 0x94000000a00107a5ULL, /* $p1 st b64 wt g[$r0d+40] $r4d (04) */ + 0x8000000000001de7ULL /* exit (2e) */ +}; + +/* NOTE: intentionally using the same names as NV */ +static const char *nve4_pm_query_names[] = +{ + /* MP counters */ + "prof_trigger_00", + "prof_trigger_01", + "prof_trigger_02", + "prof_trigger_03", + "prof_trigger_04", + "prof_trigger_05", + "prof_trigger_06", + "prof_trigger_07", + "warps_launched", + "threads_launched", + "sm_cta_launched", + "inst_issued1", + "inst_issued2", + "inst_executed", + "local_load", + "local_store", + "shared_load", + "shared_store", + "l1_local_load_hit", + "l1_local_load_miss", + "l1_local_store_hit", + "l1_local_store_miss", + "gld_request", + "gst_request", + "l1_global_load_hit", + "l1_global_load_miss", + "uncached_global_load_transaction", + "global_store_transaction", + "branch", + "divergent_branch", + "active_warps", + "active_cycles" +}; + +/* For simplicity, we will allocate as many group slots as we allocate counter + * slots. This means that a single counter which wants to source from 2 groups + * will have to be declared as using 2 counter slots. This shouldn't really be + * a problem because such queries don't make much sense ... (unless someone is + * really creative). + */ +struct nve4_mp_counter_cfg +{ + uint32_t func : 16; /* mask or 4-bit logic op (depending on mode) */ + uint32_t mode : 4; /* LOGOP,B6,LOGOP_B6(_PULSE) */ + uint32_t pad : 3; + uint32_t sig_dom : 1; /* if 0, MP_PM_A, if 1, MP_PM_B */ + uint32_t sig_sel : 8; /* signal group */ + uint32_t src_sel : 32; /* signal selection for up to 5 sources */ +}; + +struct nve4_mp_pm_query_cfg +{ + struct nve4_mp_counter_cfg ctr[4]; + uint8_t num_counters; + uint8_t op; /* PIPE_LOGICOP_CLEAR(for ADD),OR,AND */ +}; + +#define _Q1A(n, f, m, g, s) [NVE4_PM_QUERY_##n] = { { { f, NVE4_COMPUTE_MP_PM_FUNC_MODE_##m, 0, 0, NVE4_COMPUTE_MP_PM_A_SIGSEL_##g, s }, {}, {}, {} }, 1, PIPE_LOGICOP_CLEAR } +#define _Q1B(n, f, m, g, s) [NVE4_PM_QUERY_##n] = { { { f, NVE4_COMPUTE_MP_PM_FUNC_MODE_##m, 0, 1, NVE4_COMPUTE_MP_PM_B_SIGSEL_##g, s }, {}, {}, {} }, 1, PIPE_LOGICOP_CLEAR } + +static const struct nve4_mp_pm_query_cfg nve4_mp_pm_queries[] = +{ + _Q1A(PROF_TRIGGER_0, 0x0001, B6, USER, 0x00000000), + _Q1A(PROF_TRIGGER_1, 0x0001, B6, USER, 0x00000004), + _Q1A(PROF_TRIGGER_2, 0x0001, B6, USER, 0x00000008), + _Q1A(PROF_TRIGGER_3, 0x0001, B6, USER, 0x0000000c), + _Q1A(PROF_TRIGGER_4, 0x0001, B6, USER, 0x00000010), + _Q1A(PROF_TRIGGER_5, 0x0001, B6, USER, 0x00000014), + _Q1A(PROF_TRIGGER_6, 0x0001, B6, USER, 0x00000018), + _Q1A(PROF_TRIGGER_7, 0x0001, B6, USER, 0x0000001c), + _Q1A(LAUNCHED_WARPS, 0x0001, B6, LAUNCH, 0x00000004), + _Q1A(LAUNCHED_THREADS, 0x003f, B6, LAUNCH, 0x398a4188), + _Q1B(LAUNCHED_CTA, 0x0001, B6, WARP, 0x0000001c), + _Q1A(INST_ISSUED1, 0x0001, B6, ISSUE, 0x00000004), + _Q1A(INST_ISSUED2, 0x0001, B6, ISSUE, 0x00000008), + _Q1A(INST_EXECUTED, 0x0003, B6, EXEC, 0x00000398), + _Q1A(LD_SHARED, 0x0001, B6, LDST, 0x00000000), + _Q1A(ST_SHARED, 0x0001, B6, LDST, 0x00000004), + _Q1A(LD_LOCAL, 0x0001, B6, LDST, 0x00000008), + _Q1A(ST_LOCAL, 0x0001, B6, LDST, 0x0000000c), + _Q1A(GLD_REQUEST, 0x0001, B6, LDST, 0x00000010), + _Q1A(GST_REQUEST, 0x0001, B6, LDST, 0x00000014), + _Q1B(L1_LOCAL_LOAD_HIT, 0x0001, B6, L1, 0x00000000), + _Q1B(L1_LOCAL_LOAD_MISS, 0x0001, B6, L1, 0x00000004), + _Q1B(L1_LOCAL_STORE_HIT, 0x0001, B6, L1, 0x00000008), + _Q1B(L1_LOCAL_STORE_MISS, 0x0001, B6, L1, 0x0000000c), + _Q1B(L1_GLOBAL_LOAD_HIT, 0x0001, B6, L1, 0x00000010), + _Q1B(L1_GLOBAL_LOAD_MISS, 0x0001, B6, L1, 0x00000014), + _Q1B(GLD_TRANSACTIONS_UNCACHED, 0x0001, B6, MEM, 0x00000000), + _Q1B(GST_TRANSACTIONS, 0x0001, B6, MEM, 0x00000004), + _Q1A(BRANCH, 0x0001, B6, BRANCH, 0x0000000c), + _Q1A(BRANCH_DIVERGENT, 0x0001, B6, BRANCH, 0x00000010), + _Q1B(ACTIVE_WARPS, 0x003f, B6, WARP, 0x398a4188), + _Q1B(ACTIVE_CYCLES, 0x0001, B6, WARP, 0x00000004) +}; + +#undef _Q1A +#undef _Q1B + +void +nve4_mp_pm_query_begin(struct nvc0_context *nvc0, struct nvc0_query *q) +{ + struct nvc0_screen *screen = nvc0->screen; + struct nouveau_pushbuf *push = nvc0->base.pushbuf; + const struct nve4_mp_pm_query_cfg *cfg; + unsigned i, c; + unsigned num_ab[2] = { 0, 0 }; + + cfg = &nve4_mp_pm_queries[q->type - PIPE_QUERY_DRIVER_SPECIFIC]; + + /* check if we have enough free counter slots */ + for (i = 0; i < cfg->num_counters; ++i) + num_ab[cfg->ctr[i].sig_dom]++; + + if (screen->pm.num_mp_pm_active[0] + num_ab[0] > 4 || + screen->pm.num_mp_pm_active[1] + num_ab[1] > 4) { + NOUVEAU_ERR("Not enough free MP counter slots !\n"); + return; + } + + assert(cfg->num_counters <= 4); + PUSH_SPACE(push, 4 * 8 + 6); + + if (!screen->pm.mp_counters_enabled) { + screen->pm.mp_counters_enabled = TRUE; + BEGIN_NVC0(push, SUBC_SW(0x06ac), 1); + PUSH_DATA (push, 0x1fcb); + } + + /* set sequence field to 0 (used to check if result is available) */ + for (i = 0; i < screen->mp_count; ++i) + q->data[i * 10 + 10] = 0; + + for (i = 0; i < cfg->num_counters; ++i) { + const unsigned d = cfg->ctr[i].sig_dom; + + if (!screen->pm.num_mp_pm_active[d]) { + uint32_t m = (1 << 22) | (1 << (7 + (8 * !d))); + if (screen->pm.num_mp_pm_active[!d]) + m |= 1 << (7 + (8 * d)); + BEGIN_NVC0(push, SUBC_SW(0x0600), 1); + PUSH_DATA (push, m); + } + screen->pm.num_mp_pm_active[d]++; + + for (c = d * 4; c < (d * 4 + 4); ++c) { + if (!screen->pm.mp_counter[c]) { + q->ctr[i] = c; + screen->pm.mp_counter[c] = (struct pipe_query *)q; + break; + } + } + assert(c <= (d * 4 + 3)); /* must succeed, already checked for space */ + + /* configure and reset the counter(s) */ + if (d == 0) + BEGIN_NVC0(push, NVE4_COMPUTE(MP_PM_A_SIGSEL(c & 3)), 1); + else + BEGIN_NVC0(push, NVE4_COMPUTE(MP_PM_B_SIGSEL(c & 3)), 1); + PUSH_DATA (push, cfg->ctr[i].sig_sel); + BEGIN_NVC0(push, NVE4_COMPUTE(MP_PM_SRCSEL(c)), 1); + PUSH_DATA (push, cfg->ctr[i].src_sel + 0x2108421 * (c & 3)); + BEGIN_NVC0(push, NVE4_COMPUTE(MP_PM_FUNC(c)), 1); + PUSH_DATA (push, (cfg->ctr[i].func << 4) | cfg->ctr[i].mode); + BEGIN_NVC0(push, NVE4_COMPUTE(MP_PM_SET(c)), 1); + PUSH_DATA (push, 0); + } +} + +static void +nve4_mp_pm_query_end(struct nvc0_context *nvc0, struct nvc0_query *q) +{ + struct nvc0_screen *screen = nvc0->screen; + struct pipe_context *pipe = &nvc0->base.pipe; + struct nouveau_pushbuf *push = nvc0->base.pushbuf; + uint32_t mask; + uint32_t input[3]; + const uint block[3] = { 32, 1, 1 }; + const uint grid[3] = { screen->mp_count, 1, 1 }; + unsigned c; + const struct nve4_mp_pm_query_cfg *cfg; + + cfg = &nve4_mp_pm_queries[q->type - PIPE_QUERY_DRIVER_SPECIFIC]; + + if (unlikely(!screen->pm.prog)) { + struct nvc0_program *prog = CALLOC_STRUCT(nvc0_program); + prog->type = PIPE_SHADER_COMPUTE; + prog->translated = TRUE; + prog->num_gprs = 8; + prog->code = (uint32_t *)nve4_read_mp_pm_counters_code; + prog->code_size = sizeof(nve4_read_mp_pm_counters_code); + prog->parm_size = 12; + screen->pm.prog = prog; + } + + /* disable all counting */ + PUSH_SPACE(push, 8); + for (c = 0; c < 8; ++c) + if (screen->pm.mp_counter[c]) + IMMED_NVC0(push, NVE4_COMPUTE(MP_PM_FUNC(c)), 0); + /* release counters for this query */ + for (c = 0; c < 8; ++c) { + if (nvc0_query(screen->pm.mp_counter[c]) == q) { + screen->pm.num_mp_pm_active[c / 4]--; + screen->pm.mp_counter[c] = NULL; + } + } + + BCTX_REFN_bo(nvc0->bufctx_cp, CP_QUERY, NOUVEAU_BO_GART | NOUVEAU_BO_WR, + q->bo); + + pipe->bind_compute_state(pipe, screen->pm.prog); + input[0] = (q->bo->offset + q->base); + input[1] = (q->bo->offset + q->base) >> 32; + input[2] = q->sequence; + pipe->launch_grid(pipe, block, grid, 0, input); + + nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_QUERY); + + /* re-activate other counters */ + PUSH_SPACE(push, 16); + mask = 0; + for (c = 0; c < 8; ++c) { + unsigned i; + q = nvc0_query(screen->pm.mp_counter[c]); + if (!q) + continue; + cfg = &nve4_mp_pm_queries[q->type - PIPE_QUERY_DRIVER_SPECIFIC]; + for (i = 0; i < cfg->num_counters; ++i) { + if (mask & (1 << q->ctr[i])) + break; + mask |= 1 << q->ctr[i]; + BEGIN_NVC0(push, NVE4_COMPUTE(MP_PM_FUNC(q->ctr[i])), 1); + PUSH_DATA (push, (cfg->ctr[i].func << 4) | cfg->ctr[i].mode); + } + } +} + +static boolean +nve4_mp_pm_query_result(struct nvc0_context *nvc0, struct nvc0_query *q, + void *result, boolean wait) +{ + uint32_t count[4]; + uint64_t value = 0; + unsigned p, c; + const struct nve4_mp_pm_query_cfg *cfg; + + cfg = &nve4_mp_pm_queries[q->type - PIPE_QUERY_DRIVER_SPECIFIC]; + + for (p = 0; p < nvc0->screen->mp_count_compute; ++p) { + uint64_t clock; + const unsigned b = p * 12; + + clock = *(uint64_t *)&q->data[b + 8]; + (void)clock; /* might be interesting one day */ + + if (q->data[b + 10] != q->sequence) { + /* WARNING: This will spin forever if you loop with wait == FALSE and + * the push buffer hasn't been flushed ! + */ + if (!wait) + return FALSE; + if (nouveau_bo_wait(q->bo, NOUVEAU_BO_RD, nvc0->base.client)) + return FALSE; + } + + for (c = 0; c < cfg->num_counters; ++c) + count[c] = q->data[b + q->ctr[c]]; + for (; c < 4; ++c) + count[c] = 0; + + switch (cfg->op) { + case PIPE_LOGICOP_AND: + value &= count[0] & count[1] & count[2] & count[3]; + break; + case PIPE_LOGICOP_OR: + value |= count[0] | count[1] | count[2] | count[3]; + break; + case PIPE_LOGICOP_CLEAR: /* abused as ADD */ + default: + value += count[0] + count[1] + count[2] + count[3]; + break; + } + } + *(uint64_t *)result = value; + return TRUE; +} + +int +nvc0_screen_get_driver_query_info(struct pipe_screen *pscreen, + unsigned id, + struct pipe_driver_query_info *info) +{ + struct nvc0_screen *screen = nvc0_screen(pscreen); + + if (screen->base.class_3d >= NVE4_3D_CLASS) { + unsigned count = 0; + if (screen->base.device->drm_version >= 0x01000101) + count = NVE4_PM_QUERY_COUNT; + if (!info) + return count; + if (id < count) { + info->name = nve4_pm_query_names[id]; + info->query_type = NVE4_PM_QUERY(id); + info->max_value = ~0ULL; + info->uses_byte_units = FALSE; + return 1; + } + } else { + if (!info) + return 0; + } + /* user asked for info about non-existing query */ + info->name = "this_is_not_the_query_you_are_looking_for"; + info->query_type = 0xdeadd01d; + info->max_value = 0; + info->uses_byte_units = FALSE; + return 0; +} + void nvc0_init_query_functions(struct nvc0_context *nvc0) { |