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add bind_cpu to EventLoop thread. #656

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add bind_cpu to EventLoop thread. #656

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77ff8d9
set default thread name for EventLoop
zjqzero Sep 18, 2025
bc6bb04
add bind_cpu for EventLoop
zjqzero Sep 18, 2025
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12 changes: 11 additions & 1 deletion src/sw/redis++/event_loop.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,10 @@ EventLoop::EventLoop() {
_event_async = _create_uv_async(_event_callback);
_stop_async = _create_uv_async(_stop_callback);

_loop_thread = std::thread([this]() { uv_run(this->_loop.get(), UV_RUN_DEFAULT); });
_loop_thread = std::thread([this]() {
pthread_setname_np(pthread_self(), "redis-ev");
uv_run(this->_loop.get(), UV_RUN_DEFAULT);
});
}

EventLoop::~EventLoop() {
Expand All @@ -56,6 +59,13 @@ void EventLoop::stop() {
}
}

int EventLoop::bind_cpu(int cpu_id) {
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
CPU_SET(cpu_id, &cpuset);
return pthread_setaffinity_np(_loop_thread.native_handle(), sizeof(cpu_set_t), &cpuset);
}

void EventLoop::unwatch(AsyncConnectionSPtr connection, std::exception_ptr err) {
assert(connection);

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2 changes: 2 additions & 0 deletions src/sw/redis++/event_loop.h
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Expand Up @@ -54,6 +54,8 @@ class EventLoop {

void stop();

int EventLoop::bind_cpu(int cpu_id)

private:
static void _connect_callback(const redisAsyncContext *ctx, int status);

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