From 2d276cad0b46d68e6886645559cd47c0165392fe Mon Sep 17 00:00:00 2001
From: isanae <14251494+isanae@users.noreply.github.com>
Date: Thu, 19 Dec 2019 19:35:36 -0500
Subject: put expensive logging in an optional function

---
 src/shared/util.cpp | 21 +++++++++++++++++++++
 src/shared/util.h   | 14 ++++++++++++++
 2 files changed, 35 insertions(+)

(limited to 'src/shared')

diff --git a/src/shared/util.cpp b/src/shared/util.cpp
index 302dea7d..4ac95465 100644
--- a/src/shared/util.cpp
+++ b/src/shared/util.cpp
@@ -21,6 +21,7 @@ along with Mod Organizer.  If not, see <http://www.gnu.org/licenses/>.
 #include "windows_error.h"
 #include "mainwindow.h"
 #include "env.h"
+#include <log.h>
 #include <usvfs.h>
 #include <usvfs_version.h>
 
@@ -320,6 +321,26 @@ void SetThisThreadName(const QString& s)
 } // namespace MOShared
 
 
+TimeThis::TimeThis(QString what)
+  : m_what(std::move(what)), m_start(Clock::now())
+{
+}
+
+TimeThis::~TimeThis()
+{
+  using namespace std::chrono;
+
+  const auto end = Clock::now();
+  const auto d = duration_cast<milliseconds>(end - m_start).count();
+
+  if (m_what.isEmpty()) {
+    MOBase::log::debug("{} ms", d);
+  } else {
+    MOBase::log::debug("{} {} ms", m_what, d);
+  }
+}
+
+
 static bool g_exiting = false;
 static bool g_canClose = false;
 
diff --git a/src/shared/util.h b/src/shared/util.h
index b6f898db..788d2444 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -52,6 +52,20 @@ void SetThisThreadName(const QString& s);
 } // namespace MOShared
 
 
+class TimeThis
+{
+public:
+  TimeThis(QString what={});
+  ~TimeThis();
+
+private:
+  using Clock = std::chrono::high_resolution_clock;
+
+  QString m_what;
+  Clock::time_point m_start;
+};
+
+
 enum class Exit
 {
   None    = 0x00,
-- 
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