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intel/perf: prep work to enable new perf counters

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Those are not part of the OA reports and need some additional
scaffolding. Those counters are only available when doing queries as
we need to emit MI_SRMs to record them.

Equations making use of those counters are not there yet, they will
come in a follow up commit updating a bunch of oa-*.xml files.

v2: Fix typo

v3: Use PERF_CNT_VALUE_MASK (Marcin)

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6518>
This commit is contained in:
Lionel Landwerlin
2019-07-04 20:34:28 +03:00
committed by Marge Bot
parent 969f6efbc2
commit a6e980e9bf
8 changed files with 72 additions and 61 deletions
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13
src/intel/perf/gen_perf.c
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@@ -423,6 +423,7 @@ init_oa_sys_vars(struct gen_perf_config *perf, const struct gen_device_info *dev
perf->sys_vars.gt_max_freq = max_freq_mhz * 1000000;
perf->sys_vars.timestamp_frequency = devinfo->timestamp_frequency;
perf->sys_vars.revision = devinfo->revision;
perf->sys_vars.query_mode = true;
compute_topology_builtins(perf, devinfo);
return true;
@@ -1117,6 +1118,18 @@ gen_perf_query_result_read_gt_frequency(struct gen_perf_query_result *result,
result->gt_frequency[1] *= 1000000ULL;
}
void
gen_perf_query_result_read_perfcnts(struct gen_perf_query_result *result,
const struct gen_perf_query_info *query,
const uint64_t *start,
const uint64_t *end)
{
for (uint32_t i = 0; i < 2; i++) {
result->accumulator[query->perfcnt_offset + i] =
(end[i] & PERF_CNT_VALUE_MASK) - (start[i] & PERF_CNT_VALUE_MASK);
}
}
void
gen_perf_query_result_clear(struct gen_perf_query_result *result)
{