[IMPROVE] add tm_stat struct

this struct is used for counting time intervals

Change-Id: Ib237bea84e12dc7645866ec702678103aee3e4ff
Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>

diff --git a/energy/energy.c b/energy/energy.c
index ffb37ad..6e80191 100644 (file)
--- a/energy/energy.c
+++ b/energy/energy.c
@@ -25,7 +25,6 @@
 
 
 #include <linux/module.h>
-#include <linux/time.h>
 #include <linux/file.h>
 #include <linux/spinlock.h>
 #include <linux/magic.h>
@@ -37,17 +36,7 @@
 #include <linux/atomic.h>
 #include "energy.h"
 #include "lcd/lcd_base.h"
-
-
-static u64 get_ntime(void)
-{
-       struct timespec ts;
-       getnstimeofday(&ts);
-       return timespec_to_ns(&ts);
-}
-
-
-
+#include "tm_stat.h"
 
 
 /* ============================================================================

diff --git a/energy/tm_stat.h b/energy/tm_stat.h
new file mode 100644 (file)
index 0000000..b739d35
--- /dev/null
+++ b/energy/tm_stat.h
@@ -0,0 +1,79 @@
+#ifndef _TM_STAT_H
+#define _TM_STAT_H
+
+/*
+ *  Dynamic Binary Instrumentation Module based on KProbes
+ *  energy/tm_stat.h
+ *
+ * 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.
+ *
+ * Copyright (C) Samsung Electronics, 2013
+ *
+ * 2013         Vyacheslav Cherkashin <v.cherkashin@samsung.com>
+ *
+ */
+
+
+#include <linux/types.h>
+#include <linux/time.h>
+
+
+struct tm_stat {
+       u64 timestamp;
+       u64 running;
+};
+
+
+#define DEFINE_TM_STAT(tm_name)                \
+       struct tm_stat tm_name = {      \
+               .timestamp = 0,         \
+               .running = 0            \
+       }
+
+
+static inline u64 get_ntime(void)
+{
+       struct timespec ts;
+       getnstimeofday(&ts);
+       return timespec_to_ns(&ts);
+}
+
+static inline void tm_stat_init(struct tm_stat *tm)
+{
+       tm->timestamp = 0;
+       tm->running = 0;
+}
+
+static inline void tm_stat_set_timestamp(struct tm_stat *tm, u64 time)
+{
+       tm->timestamp = time;
+}
+
+static inline u64 tm_stat_timestamp(struct tm_stat *tm)
+{
+       return tm->timestamp;
+}
+
+static inline void tm_stat_update(struct tm_stat *tm, u64 time)
+{
+       tm->running += time - tm->timestamp;
+}
+
+static inline u64 tm_stat_running(struct tm_stat *tm)
+{
+       return tm->running;
+}
+
+#endif /* _TM_STAT_H */