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Mar 19, 2025
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use datasink in example runner #8920

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37 changes: 25 additions & 12 deletions examples/devtools/example_runner/example_runner.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
#include <gflags/gflags.h>

#include <executorch/devtools/bundled_program/bundled_program.h>
#include <executorch/devtools/etdump/data_sinks/buffer_data_sink.h>
#include <executorch/devtools/etdump/etdump_flatcc.h>
#include <executorch/extension/data_loader/buffer_data_loader.h>
#include <executorch/runtime/executor/method.h>
Expand Down Expand Up @@ -76,6 +77,7 @@ DEFINE_int32(
262144, // 256 KB
"Size of the debug buffer in bytes to allocate for intermediate outputs and program outputs logging.");

using executorch::etdump::BufferDataSink;
using executorch::etdump::ETDumpGen;
using executorch::etdump::ETDumpResult;
using executorch::extension::BufferDataLoader;
Expand Down Expand Up @@ -216,27 +218,38 @@ int main(int argc, char** argv) {
// be used by a single thread at at time, but it can be reused.
//
ETDumpGen etdump_gen;
Result<Method> method =
program->load_method(method_name, &memory_manager, &etdump_gen);
ET_CHECK_MSG(
method.ok(),
"Loading of method %s failed with status 0x%" PRIx32,
method_name,
static_cast<int>(method.error()));
ET_LOG(Info, "Method loaded.");

// Malloc debug buffer and create if and only if we need to log intermediate
// tensor outputs
void* debug_buffer = malloc(FLAGS_debug_buffer_size);
Result<BufferDataSink> data_sink_ret =
BufferDataSink::create(debug_buffer, FLAGS_debug_buffer_size);
ET_CHECK_MSG(
data_sink_ret.ok(),
"Creating Datasink for etdump failed with status 0x%" PRIx32,
static_cast<int>(data_sink_ret.error()));

BufferDataSink* data_sink = &data_sink_ret.get();

if (FLAGS_dump_intermediate_outputs) {
Span<uint8_t> buffer((uint8_t*)debug_buffer, FLAGS_debug_buffer_size);
etdump_gen.set_debug_buffer(buffer);
etdump_gen.set_event_tracer_debug_level(
EventTracerDebugLogLevel::kIntermediateOutputs);
etdump_gen.set_data_sink(data_sink);
} else if (FLAGS_dump_outputs) {
Span<uint8_t> buffer((uint8_t*)debug_buffer, FLAGS_debug_buffer_size);
etdump_gen.set_debug_buffer(buffer);
etdump_gen.set_event_tracer_debug_level(
EventTracerDebugLogLevel::kProgramOutputs);
etdump_gen.set_data_sink(data_sink);
}

Result<Method> method =
program->load_method(method_name, &memory_manager, &etdump_gen);
ET_CHECK_MSG(
method.ok(),
"Loading of method %s failed with status 0x%" PRIx32,
method_name,
static_cast<int>(method.error()));
ET_LOG(Info, "Method loaded.");

// Use the inputs embedded in the bundled program.
status = executorch::bundled_program::load_bundled_input(
*method, file_data.data(), FLAGS_testset_idx);
Expand Down
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