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pan/perf: Support reading derived counters

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Also pull out pan_perf_counter_read_raw into the header to help
inlining into the generated equation functions added afterwards.
This commit is contained in:
Christoph Pillmayer 2026-04-16 17:21:10 +02:00
parent 7887f4e7b5
commit 5edbcca82b
2 changed files with 25 additions and 13 deletions
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17
src/panfrost/perf/pan_perf.c
View file

@ -21,19 +21,10 @@ int64_t
pan_perf_counter_read(const struct pan_perf *perf,
const struct pan_perf_counter *counter, uint8_t block)
{
STATIC_ASSERT((int)PAN_KMOD_PERF_CAT_FRONTEND == (int)PAN_PERF_COUNTER_CAT_FRONTEND);
STATIC_ASSERT((int)PAN_KMOD_PERF_CAT_TILER == (int)PAN_PERF_COUNTER_CAT_TILER);
STATIC_ASSERT((int)PAN_KMOD_PERF_CAT_MEMSYS == (int)PAN_PERF_COUNTER_CAT_MEMSYS);
STATIC_ASSERT((int)PAN_KMOD_PERF_CAT_SHADER == (int)PAN_PERF_COUNTER_CAT_SHADER);
assert(perf->session->data != NULL);
const uint32_t offset = perf->mem_layout.category[counter->category].offset +
perf->mem_layout.block_stride * block +
perf->mem_layout.counter_stride * counter->offset;
uint8_t *val_ptr = ((uint8_t *)perf->session->data) + offset;
return pan_kmod_perf_load_counter(perf->session, val_ptr);
if (counter->derived != NULL)
return counter->derived(perf, perf->derived_configs, block);
else
return pan_perf_counter_read_raw(perf, counter->category, counter->offset, block);
}
int64_t

21
src/panfrost/perf/pan_perf.h
View file

@ -98,6 +98,27 @@ struct pan_perf {
double derived_configs[PAN_PERF_DERIVED_CONFIG_LAST + 1];
};
static inline
int64_t pan_perf_counter_read_raw(const struct pan_perf *perf,
enum pan_perf_counter_categories cat,
uint8_t counter_index,
uint8_t block)
{
STATIC_ASSERT((int)PAN_KMOD_PERF_CAT_FRONTEND == (int)PAN_PERF_COUNTER_CAT_FRONTEND);
STATIC_ASSERT((int)PAN_KMOD_PERF_CAT_TILER == (int)PAN_PERF_COUNTER_CAT_TILER);
STATIC_ASSERT((int)PAN_KMOD_PERF_CAT_MEMSYS == (int)PAN_PERF_COUNTER_CAT_MEMSYS);
STATIC_ASSERT((int)PAN_KMOD_PERF_CAT_SHADER == (int)PAN_PERF_COUNTER_CAT_SHADER);
assert(perf->session->data != NULL);
const uint32_t offset = perf->mem_layout.category[cat].offset +
perf->mem_layout.block_stride * block +
perf->mem_layout.counter_stride * counter_index;
uint8_t *val_ptr = ((uint8_t *)perf->session->data) + offset;
return pan_kmod_perf_load_counter(perf->session, val_ptr);
}
int64_t pan_perf_counter_read(const struct pan_perf *perf,
const struct pan_perf_counter *counter,
uint8_t block);