Improve profiler speed.

1 files changed, 17 insertions, 4 deletions

diff --git a/src/utils/perfomance.cpp b/src/utils/perfomance.cpp
index 93d09cb40..d7ed52d4b 100644
--- a/src/utils/perfomance.cpp
+++ b/src/utils/perfomance.cpp
@@ -29,6 +29,7 @@
 #include <algorithm>
 #include <cstdarg>
 #include <cstdio>
+#include <fcntl.h>
 #include <fstream>
 #include <iostream>
 
@@ -37,11 +38,12 @@
 static const clockid_t clockType = CLOCK_MONOTONIC;
 
 #define timeData ((static_cast<long long int>(time.tv_sec) * 1000000000LL \
-    + static_cast<long long int>(time.tv_nsec)) / 1000)
+    + static_cast<long long int>(time.tv_nsec)) / 1)
 
 namespace Perfomance
 {
     std::ofstream file;
+    std::string temp;
     long long unsigned int startTime;
 
     void init(const std::string &path)
@@ -49,6 +51,7 @@ namespace Perfomance
         file.open(path.c_str(), std::ios_base::trunc);
         timespec time;
         clock_gettime(clockType, &time);
+        temp.reserve(10000000U);
         startTime = timeData;
     }
 
@@ -62,21 +65,31 @@ namespace Perfomance
     {
         timespec time;
         clock_gettime(clockType, &time);
-        file << (timeData - startTime) << " __init__" << std::endl;
+        temp.append(toString(timeData - startTime)).append(
+            " __init__\n");
     }
 
     void blockStart(const std::string &name)
     {
         timespec time;
         clock_gettime(clockType, &time);
-        file << (timeData - startTime) << " start: " << name << std::endl;
+        temp.append(toString(timeData - startTime)).append(
+            " start: ").append(name).append("\n");
     }
 
     void blockEnd(const std::string &name)
     {
         timespec time;
         clock_gettime(clockType, &time);
-        file << (timeData - startTime) << " end: " << name << std::endl;
+        temp.append(toString(timeData - startTime)).append(
+            " end: ").append(name).append("\n");
+    }
+
+    void flush()
+    {
+        file << temp;
+        temp.clear();
+//        file.flush();
     }
 }  // namespace Perfomance