RequestServer+AK: Move happy-path logging behind REQUESTSERVER_DEBUG

vdbgln() was responsible for ~10% of samples on pv's flamegraph for
RequestServer (under request_did_finish) when loading github.com in
Browser and recording a whole-system profile. This makes that almost
completely disappear.
This commit is contained in:
Nico Weber 2022-01-21 20:04:58 -05:00 committed by Linus Groh
parent 0e56dac51e
commit 6d532649d4
4 changed files with 12 additions and 6 deletions

View file

@ -346,6 +346,10 @@
#cmakedefine01 REGEX_DEBUG
#endif
#ifndef REQUESTSERVER_DEBUG
#cmakedefine01 REQUESTSERVER_DEBUG
#endif
#ifndef RESIZE_DEBUG
#cmakedefine01 RESIZE_DEBUG
#endif

View file

@ -145,6 +145,7 @@ set(PTHREAD_DEBUG ON)
set(PTMX_DEBUG ON)
set(REACHABLE_DEBUG ON)
set(REGEX_DEBUG ON)
set(REQUESTSERVER_DEBUG ON)
set(RESIZE_DEBUG ON)
set(RESOURCE_DEBUG ON)
set(ROUTING_DEBUG ON)

View file

@ -5,6 +5,7 @@
*/
#include "ConnectionCache.h"
#include <AK/Debug.h>
#include <LibCore/EventLoop.h>
namespace RequestServer::ConnectionCache {
@ -19,7 +20,7 @@ void request_did_finish(URL const& url, Core::Socket const* socket)
return;
}
dbgln("Request for {} finished", url);
dbgln_if(REQUESTSERVER_DEBUG, "Request for {} finished", url);
ConnectionKey key { url.host(), url.port_or_default() };
auto fire_off_next_job = [&](auto& cache) {
@ -40,7 +41,7 @@ void request_did_finish(URL const& url, Core::Socket const* socket)
connection->current_url = {};
connection->removal_timer->on_timeout = [ptr = connection.ptr(), &cache_entry = *it->value, key = it->key, &cache]() mutable {
Core::deferred_invoke([&, key = move(key), ptr] {
dbgln("Removing no-longer-used connection {} (socket {})", ptr, ptr->socket);
dbgln_if(REQUESTSERVER_DEBUG, "Removing no-longer-used connection {} (socket {})", ptr, ptr->socket);
auto did_remove = cache_entry.remove_first_matching([&](auto& entry) { return entry == ptr; });
VERIFY(did_remove);
if (cache_entry.is_empty())
@ -58,9 +59,9 @@ void request_did_finish(URL const& url, Core::Socket const* socket)
if (!is_connected) {
// Create another socket for the connection.
connection->socket = SocketType::construct(nullptr);
dbgln("Creating a new socket for {} -> {}", url, connection->socket);
dbgln_if(REQUESTSERVER_DEBUG, "Creating a new socket for {} -> {}", url, connection->socket);
}
dbgln("Running next job in queue for connection {} @{}", &connection, connection->socket);
dbgln_if(REQUESTSERVER_DEBUG, "Running next job in queue for connection {} @{}", &connection, connection->socket);
auto request = connection->request_queue.take_first();
connection->timer.start();
connection->current_url = url;

View file

@ -105,14 +105,14 @@ decltype(auto) get_or_create_connection(auto& cache, URL const& url, auto& job)
}
auto& connection = sockets_for_url[index];
if (!connection.has_started) {
dbgln("Immediately start request for url {} in {} - {}", url, &connection, connection.socket);
dbgln_if(REQUESTSERVER_DEBUG, "Immediately start request for url {} in {} - {}", url, &connection, connection.socket);
connection.has_started = true;
connection.removal_timer->stop();
connection.timer.start();
connection.current_url = url;
start_job(*connection.socket);
} else {
dbgln("Enqueue request for URL {} in {} - {}", url, &connection, connection.socket);
dbgln_if(REQUESTSERVER_DEBUG, "Enqueue request for URL {} in {} - {}", url, &connection, connection.socket);
connection.request_queue.append(move(start_job));
}
return connection;