[Mesa-dev] [PATCH 07/16] nvc0: fix queries which use multiple MP counters on Fermi
Ilia Mirkin
imirkin at alum.mit.edu
Fri Oct 16 10:32:43 PDT 2015
Other than the missing * (1 << c), what was wrong with the old logic?
On Fri, Oct 16, 2015 at 1:22 PM, Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
> Queries which use more than one MP counters was misconfigured and
> computing the final result was also wrong because sources need to
> be configured on different hardware counters instead.
>
> According to the blob, computing the result is now as follows:
>
> FOR i..n
> val += ctr[i] * pow(2, i)
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
> .../drivers/nouveau/nvc0/nvc0_query_hw_sm.c | 128 +++++++++++++--------
> 1 file changed, 81 insertions(+), 47 deletions(-)
>
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c b/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c
> index 2060662..99e9073 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c
> @@ -131,7 +131,7 @@ struct nvc0_hw_sm_counter_cfg
> uint32_t num_src : 3; /* number of sources (1 - 6, only for NVC0:NVE4) */
> uint32_t sig_dom : 1; /* if 0, MP_PM_A (per warp-sched), if 1, MP_PM_B */
> uint32_t sig_sel : 8; /* signal group */
> - uint64_t src_sel; /* signal selection for up to 6 sources (48 bit) */
> + uint32_t src_sel; /* signal selection for up to 4 sources */
> };
>
> #define NVC0_COUNTER_OPn_SUM 0
> @@ -280,44 +280,82 @@ static const uint64_t nvc0_read_hw_sm_counters_code[] =
> 0x8000000000001de7ULL
> };
>
> -#define _Q(n, f, m, g, c, s0, s1, s2, s3, s4, s5) [NVC0_HW_SM_QUERY_##n] = { { { f, NVC0_COMPUTE_MP_PM_OP_MODE_##m, c, 0, g, s0|(s1 << 8)|(s2 << 16)|(s3 << 24)|(s4##ULL << 32)|(s5##ULL << 40) }, {}, {}, {} }, 1, NVC0_COUNTER_OPn_SUM, { 1, 1 } }
> +#define _C(f, o, g, s) { f, NVC0_COMPUTE_MP_PM_OP_MODE_##o, 0, 0, g, s }
> +#define _Q(n, c, ...) [NVC0_HW_SM_QUERY_##n] = { \
> + { __VA_ARGS__ }, c, NVC0_COUNTER_OPn_SUM, { 1, 1 }, \
> +}
>
> static const struct nvc0_hw_sm_query_cfg nvc0_hw_sm_queries[] =
> {
> - _Q(ACTIVE_CYCLES, 0xaaaa, LOGOP, 0x11, 1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(ACTIVE_WARPS, 0xaaaa, LOGOP, 0x24, 6, 0x10, 0x21, 0x32, 0x43, 0x54, 0x65),
> - _Q(ATOM_COUNT, 0xaaaa, LOGOP, 0x63, 1, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(BRANCH, 0xaaaa, LOGOP, 0x1a, 2, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00),
> - _Q(DIVERGENT_BRANCH, 0xaaaa, LOGOP, 0x19, 2, 0x20, 0x31, 0x00, 0x00, 0x00, 0x00),
> - _Q(GLD_REQUEST, 0xaaaa, LOGOP, 0x64, 1, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(GRED_COUNT, 0xaaaa, LOGOP, 0x63, 1, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(GST_REQUEST, 0xaaaa, LOGOP, 0x64, 1, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(INST_EXECUTED, 0xaaaa, LOGOP, 0x2d, 3, 0x00, 0x11, 0x22, 0x00, 0x00, 0x00),
> - _Q(INST_ISSUED1_0, 0xaaaa, LOGOP, 0x7e, 1, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(INST_ISSUED1_1, 0xaaaa, LOGOP, 0x7e, 1, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(INST_ISSUED2_0, 0xaaaa, LOGOP, 0x7e, 1, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(INST_ISSUED2_1, 0xaaaa, LOGOP, 0x7e, 1, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(LOCAL_LD, 0xaaaa, LOGOP, 0x64, 1, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(LOCAL_ST, 0xaaaa, LOGOP, 0x64, 1, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(PROF_TRIGGER_0, 0xaaaa, LOGOP, 0x01, 1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(PROF_TRIGGER_1, 0xaaaa, LOGOP, 0x01, 1, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(PROF_TRIGGER_2, 0xaaaa, LOGOP, 0x01, 1, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(PROF_TRIGGER_3, 0xaaaa, LOGOP, 0x01, 1, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(PROF_TRIGGER_4, 0xaaaa, LOGOP, 0x01, 1, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(PROF_TRIGGER_5, 0xaaaa, LOGOP, 0x01, 1, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(PROF_TRIGGER_6, 0xaaaa, LOGOP, 0x01, 1, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(PROF_TRIGGER_7, 0xaaaa, LOGOP, 0x01, 1, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(SHARED_LD, 0xaaaa, LOGOP, 0x64, 1, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(SHARED_ST, 0xaaaa, LOGOP, 0x64, 1, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00),
> - _Q(THREADS_LAUNCHED, 0xaaaa, LOGOP, 0x26, 6, 0x10, 0x21, 0x32, 0x43, 0x54, 0x65),
> - _Q(TH_INST_EXECUTED_0, 0xaaaa, LOGOP, 0xa3, 6, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55),
> - _Q(TH_INST_EXECUTED_1, 0xaaaa, LOGOP, 0xa5, 6, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55),
> - _Q(TH_INST_EXECUTED_2, 0xaaaa, LOGOP, 0xa4, 6, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55),
> - _Q(TH_INST_EXECUTED_3, 0xaaaa, LOGOP, 0xa6, 6, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55),
> - _Q(WARPS_LAUNCHED, 0xaaaa, LOGOP, 0x26, 1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00),
> + _Q(ACTIVE_CYCLES, 1, _C(0xaaaa, LOGOP, 0x11, 0x00000000)),
> + _Q(ACTIVE_WARPS, 6, _C(0xaaaa, LOGOP, 0x24, 0x00000010),
> + _C(0xaaaa, LOGOP, 0x24, 0x00000021),
> + _C(0xaaaa, LOGOP, 0x24, 0x00000032),
> + _C(0xaaaa, LOGOP, 0x24, 0x00000043),
> + _C(0xaaaa, LOGOP, 0x24, 0x00000054),
> + _C(0xaaaa, LOGOP, 0x24, 0x00000065)),
> + _Q(ATOM_COUNT, 1, _C(0xaaaa, LOGOP, 0x63, 0x00000030)),
> + _Q(BRANCH, 2, _C(0xaaaa, LOGOP, 0x1a, 0x00000000),
> + _C(0xaaaa, LOGOP, 0x1a, 0x00000011)),
> + _Q(DIVERGENT_BRANCH, 2, _C(0xaaaa, LOGOP, 0x19, 0x00000020),
> + _C(0xaaaa, LOGOP, 0x19, 0x00000031)),
> + _Q(GLD_REQUEST, 1, _C(0xaaaa, LOGOP, 0x64, 0x00000030)),
> + _Q(GRED_COUNT, 1, _C(0xaaaa, LOGOP, 0x63, 0x00000040)),
> + _Q(GST_REQUEST, 1, _C(0xaaaa, LOGOP, 0x64, 0x00000060)),
> + _Q(INST_EXECUTED, 3, _C(0xaaaa, LOGOP, 0x2d, 0x00000000),
> + _C(0xaaaa, LOGOP, 0x2d, 0x00000011),
> + _C(0xaaaa, LOGOP, 0x2d, 0x00000022)),
> + _Q(INST_ISSUED1_0, 1, _C(0xaaaa, LOGOP, 0x7e, 0x00000010)),
> + _Q(INST_ISSUED1_1, 1, _C(0xaaaa, LOGOP, 0x7e, 0x00000040)),
> + _Q(INST_ISSUED2_0, 1, _C(0xaaaa, LOGOP, 0x7e, 0x00000020)),
> + _Q(INST_ISSUED2_1, 1, _C(0xaaaa, LOGOP, 0x7e, 0x00000050)),
> + _Q(LOCAL_LD, 1, _C(0xaaaa, LOGOP, 0x64, 0x00000020)),
> + _Q(LOCAL_ST, 1, _C(0xaaaa, LOGOP, 0x64, 0x00000050)),
> + _Q(PROF_TRIGGER_0, 1, _C(0xaaaa, LOGOP, 0x01, 0x00000000)),
> + _Q(PROF_TRIGGER_1, 1, _C(0xaaaa, LOGOP, 0x01, 0x00000010)),
> + _Q(PROF_TRIGGER_2, 1, _C(0xaaaa, LOGOP, 0x01, 0x00000020)),
> + _Q(PROF_TRIGGER_3, 1, _C(0xaaaa, LOGOP, 0x01, 0x00000030)),
> + _Q(PROF_TRIGGER_4, 1, _C(0xaaaa, LOGOP, 0x01, 0x00000040)),
> + _Q(PROF_TRIGGER_5, 1, _C(0xaaaa, LOGOP, 0x01, 0x00000050)),
> + _Q(PROF_TRIGGER_6, 1, _C(0xaaaa, LOGOP, 0x01, 0x00000060)),
> + _Q(PROF_TRIGGER_7, 1, _C(0xaaaa, LOGOP, 0x01, 0x00000070)),
> + _Q(SHARED_LD, 1, _C(0xaaaa, LOGOP, 0x64, 0x00000010)),
> + _Q(SHARED_ST, 1, _C(0xaaaa, LOGOP, 0x64, 0x00000040)),
> + _Q(THREADS_LAUNCHED, 6, _C(0xaaaa, LOGOP, 0x26, 0x00000010),
> + _C(0xaaaa, LOGOP, 0x26, 0x00000021),
> + _C(0xaaaa, LOGOP, 0x26, 0x00000032),
> + _C(0xaaaa, LOGOP, 0x26, 0x00000043),
> + _C(0xaaaa, LOGOP, 0x26, 0x00000054),
> + _C(0xaaaa, LOGOP, 0x26, 0x00000065)),
> + _Q(TH_INST_EXECUTED_0, 6, _C(0xaaaa, LOGOP, 0xa3, 0x00000000),
> + _C(0xaaaa, LOGOP, 0xa3, 0x00000011),
> + _C(0xaaaa, LOGOP, 0xa3, 0x00000022),
> + _C(0xaaaa, LOGOP, 0xa3, 0x00000033),
> + _C(0xaaaa, LOGOP, 0xa3, 0x00000044),
> + _C(0xaaaa, LOGOP, 0xa3, 0x00000055)),
> + _Q(TH_INST_EXECUTED_1, 6, _C(0xaaaa, LOGOP, 0xa5, 0x00000000),
> + _C(0xaaaa, LOGOP, 0xa5, 0x00000011),
> + _C(0xaaaa, LOGOP, 0xa5, 0x00000022),
> + _C(0xaaaa, LOGOP, 0xa5, 0x00000033),
> + _C(0xaaaa, LOGOP, 0xa5, 0x00000044),
> + _C(0xaaaa, LOGOP, 0xa5, 0x00000055)),
> + _Q(TH_INST_EXECUTED_2, 6, _C(0xaaaa, LOGOP, 0xa4, 0x00000000),
> + _C(0xaaaa, LOGOP, 0xa4, 0x00000011),
> + _C(0xaaaa, LOGOP, 0xa4, 0x00000022),
> + _C(0xaaaa, LOGOP, 0xa4, 0x00000033),
> + _C(0xaaaa, LOGOP, 0xa4, 0x00000044),
> + _C(0xaaaa, LOGOP, 0xa4, 0x00000055)),
> + _Q(TH_INST_EXECUTED_3, 6, _C(0xaaaa, LOGOP, 0xa6, 0x00000000),
> + _C(0xaaaa, LOGOP, 0xa6, 0x00000011),
> + _C(0xaaaa, LOGOP, 0xa6, 0x00000022),
> + _C(0xaaaa, LOGOP, 0xa6, 0x00000033),
> + _C(0xaaaa, LOGOP, 0xa6, 0x00000044),
> + _C(0xaaaa, LOGOP, 0xa6, 0x00000055)),
> + _Q(WARPS_LAUNCHED, 1, _C(0xaaaa, LOGOP, 0x26, 0x00000000)),
> };
>
> #undef _Q
> +#undef _C
>
> static const struct nvc0_hw_sm_query_cfg *
> nvc0_hw_sm_query_get_cfg(struct nvc0_context *nvc0, struct nvc0_hw_query *hq)
> @@ -431,7 +469,7 @@ nvc0_hw_sm_begin_query(struct nvc0_context *nvc0, struct nvc0_hw_query *hq)
> }
>
> assert(cfg->num_counters <= 8);
> - PUSH_SPACE(push, 4 * 8 * 6 + 2);
> + PUSH_SPACE(push, 8 * 8 + 2);
>
> /* set sequence field to 0 (used to check if result is available) */
> for (i = 0; i < screen->mp_count; ++i) {
> @@ -441,8 +479,6 @@ nvc0_hw_sm_begin_query(struct nvc0_context *nvc0, struct nvc0_hw_query *hq)
> hq->sequence++;
>
> for (i = 0; i < cfg->num_counters; ++i) {
> - unsigned s;
> -
> if (!screen->pm.num_hw_sm_active[0]) {
> BEGIN_NVC0(push, SUBC_SW(0x0600), 1);
> PUSH_DATA (push, 0x80000000);
> @@ -458,16 +494,14 @@ nvc0_hw_sm_begin_query(struct nvc0_context *nvc0, struct nvc0_hw_query *hq)
> }
>
> /* configure and reset the counter(s) */
> - for (s = 0; s < cfg->ctr[i].num_src; s++) {
> - BEGIN_NVC0(push, NVC0_COMPUTE(MP_PM_SIGSEL(s)), 1);
> - PUSH_DATA (push, cfg->ctr[i].sig_sel);
> - BEGIN_NVC0(push, NVC0_COMPUTE(MP_PM_SRCSEL(s)), 1);
> - PUSH_DATA (push, (cfg->ctr[i].src_sel >> (s * 8)) & 0xff);
> - BEGIN_NVC0(push, NVC0_COMPUTE(MP_PM_OP(s)), 1);
> - PUSH_DATA (push, (cfg->ctr[i].func << 4) | cfg->ctr[i].mode);
> - BEGIN_NVC0(push, NVC0_COMPUTE(MP_PM_SET(s)), 1);
> - PUSH_DATA (push, 0);
> - }
> + BEGIN_NVC0(push, NVC0_COMPUTE(MP_PM_SIGSEL(c)), 1);
> + PUSH_DATA (push, cfg->ctr[i].sig_sel);
> + BEGIN_NVC0(push, NVC0_COMPUTE(MP_PM_SRCSEL(c)), 1);
> + PUSH_DATA (push, cfg->ctr[i].src_sel);
> + BEGIN_NVC0(push, NVC0_COMPUTE(MP_PM_OP(c)), 1);
> + PUSH_DATA (push, (cfg->ctr[i].func << 4) | cfg->ctr[i].mode);
> + BEGIN_NVC0(push, NVC0_COMPUTE(MP_PM_SET(c)), 1);
> + PUSH_DATA (push, 0);
> }
> return true;
> }
> @@ -581,7 +615,7 @@ nvc0_hw_sm_query_read_data(uint32_t count[32][8],
> if (nouveau_bo_wait(hq->bo, NOUVEAU_BO_RD, nvc0->base.client))
> return false;
> }
> - count[p][c] = hq->data[b + hsq->ctr[c]];
> + count[p][c] = hq->data[b + hsq->ctr[c]] * (1 << c);
> }
> }
> return true;
> --
> 2.6.1
>
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