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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "executor_explorer_utils.h"
#include <vespa/vespalib/data/slime/cursor.h>
#include <vespa/vespalib/util/adaptive_sequenced_executor.h>
#include <vespa/vespalib/util/blockingthreadstackexecutor.h>
#include <vespa/vespalib/util/sequencedtaskexecutor.h>
#include <vespa/vespalib/util/singleexecutor.h>
#include <vespa/vespalib/util/threadstackexecutor.h>
using vespalib::AdaptiveSequencedExecutor;
using vespalib::BlockingThreadStackExecutor;
using vespalib::ISequencedTaskExecutor;
using vespalib::SequencedTaskExecutor;
using vespalib::SingleExecutor;
using vespalib::ThreadExecutor;
using vespalib::ThreadStackExecutor;
using vespalib::slime::Cursor;
namespace proton::explorer {
namespace {
void
convert_syncable_executor_to_slime(const ThreadExecutor& executor, const vespalib::string& type, Cursor& object)
{
object.setString("type", type);
object.setLong("num_threads", executor.getNumThreads());
object.setLong("task_limit", executor.getTaskLimit());
}
void
convert_single_executor_to_slime(const SingleExecutor& executor, Cursor& object)
{
convert_syncable_executor_to_slime(executor, "SingleExecutor", object);
object.setLong("watermark", executor.get_watermark());
object.setDouble("reaction_time_sec", vespalib::to_s(executor.get_reaction_time()));
}
void
set_type(Cursor& object, const vespalib::string& type)
{
object.setString("type", type);
}
void
convert_sequenced_executor_to_slime(const SequencedTaskExecutor& executor, Cursor& object)
{
set_type(object, "SequencedTaskExecutor");
object.setLong("num_executors", executor.getNumExecutors());
convert_executor_to_slime(executor.first_executor(), object.setObject("executor"));
}
void
convert_adaptive_executor_to_slime(const AdaptiveSequencedExecutor& executor, Cursor& object)
{
set_type(object, "AdaptiveSequencedExecutor");
object.setLong("num_strands", executor.getNumExecutors());
auto cfg = executor.get_config();
object.setLong("num_threads", cfg.num_threads);
object.setLong("max_waiting", cfg.max_waiting);
object.setLong("max_pending", cfg.max_pending);
object.setLong("wakeup_limit", cfg.wakeup_limit);
}
}
void
convert_executor_to_slime(const ThreadExecutor* executor, Cursor& object)
{
if (executor == nullptr) {
return;
}
if (const auto* single = dynamic_cast<const SingleExecutor*>(executor)) {
convert_single_executor_to_slime(*single, object);
} else if (const auto* blocking = dynamic_cast<const BlockingThreadStackExecutor*>(executor)) {
convert_syncable_executor_to_slime(*blocking, "BlockingThreadStackExecutor", object);
} else if (const auto* thread = dynamic_cast<const ThreadStackExecutor*>(executor)) {
convert_syncable_executor_to_slime(*thread, "ThreadStackExecutor", object);
} else {
convert_syncable_executor_to_slime(*executor, "ThreadExecutor", object);
}
}
void
convert_executor_to_slime(const ISequencedTaskExecutor* executor, Cursor& object)
{
if (executor == nullptr) {
return;
}
if (const auto* seq = dynamic_cast<const SequencedTaskExecutor*>(executor)) {
convert_sequenced_executor_to_slime(*seq, object);
} else if (const auto* ada = dynamic_cast<const AdaptiveSequencedExecutor*>(executor)) {
convert_adaptive_executor_to_slime(*ada, object);
} else {
set_type(object, "ISequencedTaskExecutor");
object.setLong("num_executors", executor->getNumExecutors());
}
}
}
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