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Optimize logs

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Pass va_args instead of constructing a temporary array
This commit is contained in:
Nekotekina 2018-09-19 14:14:04 +03:00
parent 11e297c975
commit 26da91c972
2 changed files with 23 additions and 8 deletions
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25
Utilities/Log.cpp
View File

@ -1,4 +1,4 @@
#include "Log.h"
#include "Log.h"
#include "File.h"
#include "StrFmt.h"
#include "sema.h"
@ -7,6 +7,7 @@
#include "Utilities/Thread.h"
#include "rpcs3_version.h"
#include <cstring>
#include <cstdarg>
#include <string>
#include <unordered_map>
#include <thread>
@ -240,7 +241,7 @@ void logs::listener::add(logs::listener* _new)
}
}
void logs::message::broadcast(const char* fmt, const fmt_type_info* sup, const u64* args) const
void logs::message::broadcast(const char* fmt, const fmt_type_info* sup, ...) const
{
// Get timestamp
const u64 stamp = get_stamp();
@ -269,9 +270,23 @@ void logs::message::broadcast(const char* fmt, const fmt_type_info* sup, const u
}
}
// Get text
thread_local std::string text; text.clear();
fmt::raw_append(text, fmt, sup, args);
// Get text, extract va_args
thread_local std::string text;
thread_local std::vector<u64> args;
std::size_t args_count = 0;
for (auto v = sup; v->fmt_string; v++)
args_count++;
text.clear();
args.resize(args_count);
va_list c_args;
va_start(c_args, sup);
for (u64& arg : args)
arg = va_arg(c_args, u64);
va_end(c_args);
fmt::raw_append(text, fmt, sup, args.data());
std::string prefix = g_tls_log_prefix();
// Get first (main) listener

6
Utilities/Log.h
View File

@ -31,7 +31,7 @@ namespace logs
private:
// Send log message to global logger instance
void broadcast(const char*, const fmt_type_info*, const u64*) const;
void broadcast(const char*, const fmt_type_info*, ...) const;
friend struct channel;
};
@ -73,12 +73,12 @@ namespace logs
#define GEN_LOG_METHOD(_sev)\
const message msg_##_sev{this, level::_sev};\
template <typename... Args>\
SAFE_BUFFERS void _sev(const char* fmt, const Args&... args)\
void _sev(const char* fmt, const Args&... args)\
{\
if (UNLIKELY(level::_sev <= enabled))\
{\
static constexpr fmt_type_info type_list[sizeof...(Args) + 1]{fmt_type_info::make<fmt_unveil_t<Args>>()...};\
msg_##_sev.broadcast(fmt, type_list, fmt_args_t<Args...>{fmt_unveil<Args>::get(args)...});\
msg_##_sev.broadcast(fmt, type_list, u64{fmt_unveil<Args>::get(args)}...);\
}\
}