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Implement performance profiler and call stack dump, and update toolchain document (#501)

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And remove redundant FAST_INTERP macros in wasm_interp_fast.c, and fix wamrc --help wrong line order issue.

Signed-off-by: Wenyong Huang <wenyong.huang@intel.com>
This commit is contained in:
Wenyong Huang
2021-01-17 23:23:10 -06:00
committed by GitHub
parent 794028a968
commit 240ca2ed46
26 changed files with 752 additions and 109 deletions
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191
core/iwasm/aot/aot_runtime.c
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@ -814,6 +814,15 @@ aot_instantiate(AOTModule *module, bool is_sub_inst,
#endif
module_inst->default_wasm_stack_size = stack_size;
#if WASM_ENABLE_PERF_PROFILING != 0
total_size = (uint64)sizeof(AOTFuncPerfProfInfo) *
(module->import_func_count + module->func_count);
if (!(module_inst->func_perf_profilings.ptr =
runtime_malloc(total_size, error_buf, error_buf_size))) {
goto fail;
}
#endif
/* Execute __post_instantiate function and start function*/
if (!execute_post_inst_function(module_inst)
|| !execute_start_function(module_inst)) {
@ -866,6 +875,11 @@ aot_deinstantiate(AOTModuleInstance *module_inst, bool is_sub_inst)
wasm_runtime_destroy_wasi((WASMModuleInstanceCommon*)module_inst);
#endif
#if WASM_ENABLE_PERF_PROFILING != 0
if (module_inst->func_perf_profilings.ptr)
wasm_runtime_free(module_inst->func_perf_profilings.ptr);
#endif
if (module_inst->memories.ptr)
memories_deinstantiate(module_inst);
@ -1128,16 +1142,38 @@ aot_call_function(WASMExecEnv *exec_env,
cell_num += wasm_value_type_cell_num(ext_ret_types[i]);
}
#if (WASM_ENABLE_DUMP_CALL_STACK != 0) || (WASM_ENABLE_PERF_PROFILING != 0)
if (!aot_alloc_frame(exec_env, function->func_index)) {
wasm_runtime_free(argv1);
return false;
}
#endif
ret = invoke_native_internal(exec_env, function->u.func.func_ptr,
func_type, NULL, NULL, argv1, argc, argv);
if (!ret || aot_get_exception(module_inst)) {
if (argv1 != argv1_buf)
wasm_runtime_free(argv1);
if (clear_wasi_proc_exit_exception(module_inst))
return true;
return false;
ret = true;
else
ret = false;
}
#if WASM_ENABLE_DUMP_CALL_STACK != 0
if (!ret) {
aot_dump_call_stack(exec_env);
}
#endif
#if (WASM_ENABLE_DUMP_CALL_STACK != 0) || (WASM_ENABLE_PERF_PROFILING != 0)
aot_free_frame(exec_env);
#endif
if (!ret)
return ret;
/* Get extra result values */
switch (func_type->types[func_type->param_count]) {
case VALUE_TYPE_I32:
@ -1161,10 +1197,28 @@ aot_call_function(WASMExecEnv *exec_env,
return true;
}
else {
#if (WASM_ENABLE_DUMP_CALL_STACK != 0) || (WASM_ENABLE_PERF_PROFILING != 0)
if (!aot_alloc_frame(exec_env, function->func_index)) {
return false;
}
#endif
ret = invoke_native_internal(exec_env, function->u.func.func_ptr,
func_type, NULL, NULL, argv, argc, argv);
if (clear_wasi_proc_exit_exception(module_inst))
return true;
ret = true;
#if WASM_ENABLE_DUMP_CALL_STACK != 0
if (aot_get_exception(module_inst)) {
aot_dump_call_stack(exec_env);
}
#endif
#if (WASM_ENABLE_DUMP_CALL_STACK != 0) || (WASM_ENABLE_PERF_PROFILING != 0)
aot_free_frame(exec_env);
#endif
return ret && !aot_get_exception(module_inst) ? true : false;
}
}
@ -2224,3 +2278,134 @@ aot_get_module_inst_mem_consumption(const AOTModuleInstance *module_inst,
}
#endif /* end of (WASM_ENABLE_MEMORY_PROFILING != 0)
|| (WASM_ENABLE_MEMORY_TRACING != 0) */
#if (WASM_ENABLE_DUMP_CALL_STACK != 0) || (WASM_ENABLE_PERF_PROFILING != 0)
static const char *
get_func_name_from_index(const AOTModuleInstance *module_inst,
uint32 func_index)
{
const char *func_name = NULL;
AOTModule *module = module_inst->aot_module.ptr;
if (func_index < module->import_func_count) {
func_name = module->import_funcs[func_index].func_name;
}
else {
uint32 i;
for (i = 0; i < module->export_count; i++) {
AOTExport export = module->exports[i];
if (export.index == func_index
&& export.kind == EXPORT_KIND_FUNC) {
func_name = export.name;
break;
}
}
}
return func_name;
}
bool
aot_alloc_frame(WASMExecEnv *exec_env, uint32 func_index)
{
AOTFrame *frame =
wasm_exec_env_alloc_wasm_frame(exec_env, sizeof(AOTFrame));
#if WASM_ENABLE_PERF_PROFILING != 0
AOTModuleInstance *module_inst =
(AOTModuleInstance*)exec_env->module_inst;
AOTFuncPerfProfInfo *func_perf_prof =
(AOTFuncPerfProfInfo*)module_inst->func_perf_profilings.ptr + func_index;
#endif
if (!frame) {
aot_set_exception((AOTModuleInstance*)exec_env->module_inst,
"auxiliary call stack overflow");
return false;
}
#if WASM_ENABLE_PERF_PROFILING != 0
frame->time_started = os_time_get_boot_microsecond();
frame->func_perf_prof_info = func_perf_prof;
#endif
frame->prev_frame = (AOTFrame *)exec_env->cur_frame;
exec_env->cur_frame = (struct WASMInterpFrame *)frame;
frame->func_index = func_index;
return true;
}
void
aot_free_frame(WASMExecEnv *exec_env)
{
AOTFrame *cur_frame = (AOTFrame *)exec_env->cur_frame;
AOTFrame *prev_frame = cur_frame->prev_frame;
#if WASM_ENABLE_PERF_PROFILING != 0
cur_frame->func_perf_prof_info->total_exec_time +=
os_time_get_boot_microsecond() - cur_frame->time_started;
cur_frame->func_perf_prof_info->total_exec_cnt++;
#endif
wasm_exec_env_free_wasm_frame(exec_env, cur_frame);
exec_env->cur_frame = (struct WASMInterpFrame *)prev_frame;
}
#endif /* end of (WASM_ENABLE_DUMP_CALL_STACK != 0)
|| (WASM_ENABLE_PERF_PROFILING != 0) */
#if WASM_ENABLE_DUMP_CALL_STACK != 0
void
aot_dump_call_stack(WASMExecEnv *exec_env)
{
AOTFrame *cur_frame = (AOTFrame *)exec_env->cur_frame;
AOTModuleInstance *module_inst =
(AOTModuleInstance *)exec_env->module_inst;
const char *func_name;
uint32 n = 0;
os_printf("\n");
while (cur_frame) {
func_name =
get_func_name_from_index(module_inst, cur_frame->func_index);
/* function name not exported, print number instead */
if (func_name == NULL) {
os_printf("#%02d $f%d \n", n, cur_frame->func_index);
}
else {
os_printf("#%02d %s \n", n, func_name);
}
cur_frame = cur_frame->prev_frame;
n++;
}
os_printf("\n");
}
#endif /* end of WASM_ENABLE_DUMP_CALL_STACK */
#if WASM_ENABLE_PERF_PROFILING != 0
void
aot_dump_perf_profiling(const AOTModuleInstance *module_inst)
{
AOTFuncPerfProfInfo *perf_prof = (AOTFuncPerfProfInfo *)
module_inst->func_perf_profilings.ptr;
AOTModule *module = (AOTModule *)module_inst->aot_module.ptr;
uint32 total_func_count = module->import_func_count + module->func_count, i;
const char *func_name;
os_printf("Performance profiler data:\n");
for (i = 0; i < total_func_count; i++, perf_prof++) {
func_name = get_func_name_from_index(module_inst, i);
if (func_name)
os_printf(" func %s, execution time: %.3f ms, execution count: %d times\n",
func_name, perf_prof->total_exec_time / 1000.0f,
perf_prof->total_exec_cnt);
else
os_printf(" func %d, execution time: %.3f ms, execution count: %d times\n",
i, perf_prof->total_exec_time / 1000.0f,
perf_prof->total_exec_cnt);
}
}
#endif /* end of WASM_ENABLE_PERF_PROFILING */