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logging/backend: Use const reference to refer to log filter 

The filter is returned via const reference, so this was making a
pointless copy of the entire filter every time a message was being
pushed into the logger instance.
This commit is contained in:
Lioncash 2018-08-13 21:44:53 -04:00
parent 309564abe3
commit bc7bfd96f0
1 changed files with 3 additions and 2 deletions
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5
src/common/logging/backend.cpp
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@ -302,13 +302,14 @@ Backend* GetBackend(std::string_view backend_name) {
void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename, void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename,
unsigned int line_num, const char* function, const char* format, unsigned int line_num, const char* function, const char* format,
const fmt::format_args& args) { const fmt::format_args& args) {
auto filter = Impl::Instance().GetGlobalFilter(); auto& instance = Impl::Instance();
const auto& filter = instance.GetGlobalFilter();
if (!filter.CheckMessage(log_class, log_level)) if (!filter.CheckMessage(log_class, log_level))
return; return;
Entry entry = Entry entry =
CreateEntry(log_class, log_level, filename, line_num, function, fmt::vformat(format, args)); CreateEntry(log_class, log_level, filename, line_num, function, fmt::vformat(format, args));
Impl::Instance().PushEntry(std::move(entry)); instance.PushEntry(std::move(entry));
} }
} // namespace Log } // namespace Log