Code scrub performance library instances in MdeModulePkg

[mirror_edk2.git] / MdeModulePkg / Library / PeiPerformanceLib / PeiPerformanceLib.c

diff --git a/MdeModulePkg/Library/PeiPerformanceLib/PeiPerformanceLib.c b/MdeModulePkg/Library/PeiPerformanceLib/PeiPerformanceLib.c
index 64b488369a43100e31f7f3a44fd0d6bc7856afa2..97dfd0d817d250fd70b19162e60558e8530c9f3f 100644 (file)
--- a/MdeModulePkg/Library/PeiPerformanceLib/PeiPerformanceLib.c
+++ b/MdeModulePkg/Library/PeiPerformanceLib/PeiPerformanceLib.c
@@ -1,5 +1,10 @@
 /** @file\r
-  Performance Library\r
+  Performance library instance used in PEI phase.\r
+\r
+  This file implements all APIs in Performance Library class in MdePkg. It creates\r
+  performance logging GUIDed HOB on the first performance logging and then logs the\r
+  performance data to the GUIDed HOB. Due to the limitation of temporary RAM, the maximum\r
+  number of performance logging entry is specified by PcdMaxPeiPerformanceLogEntries.  \r
 \r
 Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r
 All rights reserved. This program and the accompanying materials\r