From 01c165cd1b2ac601d5ae73d3cb5e82ccdd94ac94 Mon Sep 17 00:00:00 2001
From: Le Chi Thu <thu2004@yahoo.se>
Date: Tue, 3 Apr 2012 01:23:00 +0200
Subject: Initial commit

---
 ltp_framework/lib/system_specific_hugepages_info.c | 93 ++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 ltp_framework/lib/system_specific_hugepages_info.c

(limited to 'ltp_framework/lib/system_specific_hugepages_info.c')

diff --git a/ltp_framework/lib/system_specific_hugepages_info.c b/ltp_framework/lib/system_specific_hugepages_info.c
new file mode 100644
index 0000000..2344add
--- /dev/null
+++ b/ltp_framework/lib/system_specific_hugepages_info.c
@@ -0,0 +1,93 @@
+/*
+ *
+ *   Copyright (c) International Business Machines  Corp., 2009
+ *
+ *   This program is free software;  you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ *   the GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program;  if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ *   DESCRIPTION
+ *               get_no_of_hugepages() --> Return No. of hugepages for this systems
+ *                                         from /proc/meminfo
+ *               hugepages_size()      --> Return Hugepages Size for this system
+ *                                         from /proc/meminfo
+ */
+
+#include <fcntl.h>
+#include <sys/types.h>
+#include <test.h>
+
+int get_no_of_hugepages() {
+ #ifdef __linux__
+       FILE *f;
+       char buf[BUFSIZ];
+
+       f = popen("grep 'HugePages_Total' /proc/meminfo | cut -d ':' -f2 | tr -d ' \n'", "r");
+       if (!f)
+              tst_brkm(TBROK, NULL,
+                     "Could not get info about Total_Hugepages from /proc/meminfo");
+       if (!fgets(buf, 10, f)) {
+               fclose(f);
+               tst_brkm(TBROK, NULL,
+                     "Could not read Total_Hugepages from /proc/meminfo");
+       }
+       pclose(f);
+       return(atoi(buf));
+ #else
+        return -1;
+ #endif
+}
+
+int get_no_of_free_hugepages() {
+ #ifdef __linux__
+       FILE *f;
+       char buf[BUFSIZ];
+
+       f = popen("grep 'HugePages_Free' /proc/meminfo | cut -d ':' -f2 | tr -d ' \n'", "r");
+       if (!f)
+               tst_brkm(TBROK, NULL,
+                     "Could not get info about HugePages_Free from /proc/meminfo");
+       if (!fgets(buf, 10, f)) {
+               fclose(f);
+               tst_brkm(TBROK, NULL,
+                     "Could not read HugePages_Free from /proc/meminfo");
+       }
+       pclose(f);
+       return(atoi(buf));
+ #else
+        return -1;
+ #endif
+}
+
+int hugepages_size() {
+ #ifdef __linux__
+       FILE *f;
+       char buf[BUFSIZ];
+
+       f = popen("grep 'Hugepagesize' /proc/meminfo | cut -d ':' -f2 | tr -d 'kB \n'", "r");
+       if (!f)
+               tst_brkm(TBROK, NULL,
+                     "Could not get info about HugePages_Size from /proc/meminfo");
+       if (!fgets(buf, 10, f)) {
+               fclose(f);
+               tst_brkm(TBROK, NULL,
+                     "Could not read HugePages_Size from /proc/meminfo");
+       }
+       pclose(f);
+       return(atoi(buf));
+ #else
+        return -1;
+ #endif
+}
-- 
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