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Modify AOT static PGO to conform to llvm-18 and add a CI job to test static PGO on the coremark benchmark (#4345)

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* static PGO compatible with llvm18 and add CI job to test static PGO on coremark benchmark
* update comments and warning info, bitmaps section in llvm profdata shouldn't be used in PGO
This commit is contained in:
TianlongLiang
2025-06-12 16:57:11 +08:00
committed by GitHub
parent 2fe7105e8d
commit 0343aaf8c3
7 changed files with 38 additions and 6 deletions
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15
core/iwasm/aot/aot_runtime.c
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@ -4877,8 +4877,8 @@ aot_dump_pgo_prof_data_to_buf(AOTModuleInstance *module_inst, char *buf,
}
prof_header.magic = 0xFF6C70726F667281LL;
/* Version 8 */
prof_header.version = 0x0000000000000008LL;
/* Version 9 */
prof_header.version = 0x0000000000000009LL;
/* with VARIANT_MASK_IR_PROF (IR Instrumentation) */
prof_header.version |= 0x1ULL << 56;
/* with VARIANT_MASK_MEMPROF (Memory Profile) */
@ -4887,14 +4887,19 @@ aot_dump_pgo_prof_data_to_buf(AOTModuleInstance *module_inst, char *buf,
prof_header.num_prof_counters = num_prof_counters;
prof_header.names_size = prof_names_size;
prof_header.value_kind_last = 1;
/* __llvm_prf_bits won't be used in PGO, set dummy value here */
prof_header.num_prof_bitmaps = 0;
prof_header.bitmap_delta = 0;
if (!is_little_endian()) {
aot_exchange_uint64((uint8 *)&prof_header.magic);
aot_exchange_uint64((uint8 *)&prof_header.version);
aot_exchange_uint64((uint8 *)&prof_header.num_prof_data);
aot_exchange_uint64((uint8 *)&prof_header.num_prof_counters);
aot_exchange_uint64((uint8 *)&prof_header.num_prof_bitmaps);
aot_exchange_uint64((uint8 *)&prof_header.names_size);
aot_exchange_uint64((uint8 *)&prof_header.counters_delta);
aot_exchange_uint64((uint8 *)&prof_header.bitmap_delta);
aot_exchange_uint64((uint8 *)&prof_header.value_kind_last);
}
@ -4912,19 +4917,23 @@ aot_dump_pgo_prof_data_to_buf(AOTModuleInstance *module_inst, char *buf,
prof_data_64->func_md5 = prof_data->func_md5;
prof_data_64->func_hash = prof_data->func_hash;
prof_data_64->offset_counters = prof_data->offset_counters;
prof_data_64->offset_bitmaps = prof_data->offset_bitmaps;
prof_data_64->func_ptr = prof_data->func_ptr;
prof_data_64->values = (uint64)(uintptr_t)prof_data->values;
prof_data_64->num_counters = prof_data->num_counters;
/* __llvm_prf_bits won't be used in PGO, set dummy value here */
prof_data_64->num_bitmaps = 0;
prof_data_64->num_value_sites[0] = prof_data->num_value_sites[0];
prof_data_64->num_value_sites[1] = prof_data->num_value_sites[1];
if (!is_little_endian()) {
aot_exchange_uint64((uint8 *)&prof_data_64->func_hash);
aot_exchange_uint64((uint8 *)&prof_data_64->offset_counters);
aot_exchange_uint64((uint8 *)&prof_data_64->offset_counters);
aot_exchange_uint64((uint8 *)&prof_data_64->offset_bitmaps);
aot_exchange_uint64((uint8 *)&prof_data_64->func_ptr);
aot_exchange_uint64((uint8 *)&prof_data_64->values);
aot_exchange_uint32((uint8 *)&prof_data_64->num_counters);
aot_exchange_uint32((uint8 *)&prof_data_64->num_bitmaps);
aot_exchange_uint16((uint8 *)&prof_data_64->num_value_sites[0]);
aot_exchange_uint16((uint8 *)&prof_data_64->num_value_sites[1]);
}