From 05f51137831bc3711ba80f52ad0586ae247ee7d3 Mon Sep 17 00:00:00 2001
From: Adam Wujek <adam.wujek@cern.ch>
Date: Fri, 19 Feb 2016 11:50:34 +0100
Subject: [PATCH] userspace/libwr: add functions get_monotonic_*
Add function get_monotonic_tics and get_monotonic_sec to the libwr to keep
them in the one place.
Signed-off-by: Adam Wujek <adam.wujek@cern.ch>
---
userspace/libwr/include/libwr/util.h | 4 ++++
userspace/libwr/util.c | 18 ++++++++++++++++++
2 files changed, 22 insertions(+)
diff --git a/userspace/libwr/include/libwr/util.h b/userspace/libwr/include/libwr/util.h
index a4703dfad..5dfe4ff33 100644
--- a/userspace/libwr/include/libwr/util.h
+++ b/userspace/libwr/include/libwr/util.h
@@ -8,5 +8,9 @@
void shw_udelay_init(void);
void shw_udelay(uint32_t microseconds);
+/* get monotonic number of useconds */
+uint64_t get_monotonic_tics(void);
+/* get monotonic number of seconds */
+time_t get_monotonic_sec(void);
#endif /* __LIBWR_HW_UTIL_H */
diff --git a/userspace/libwr/util.c b/userspace/libwr/util.c
index 2cb9df3cf..50145ad68 100644
--- a/userspace/libwr/util.c
+++ b/userspace/libwr/util.c
@@ -52,3 +52,21 @@ void shw_udelay(uint32_t microseconds)
for (i = 0; i < loops_per_msec * microseconds / 1000; i++)
;
}
+
+/* get monotonic number of useconds */
+uint64_t get_monotonic_tics(void)
+{
+ struct timespec tv;
+ clock_gettime(CLOCK_MONOTONIC, &tv);
+
+ return (uint64_t) tv.tv_sec * 1000000ULL +
+ (uint64_t) (tv.tv_nsec / 1000);
+}
+
+/* get monotonic number of seconds */
+time_t get_monotonic_sec(void)
+{
+ struct timespec tv;
+ clock_gettime(CLOCK_MONOTONIC, &tv);
+ return tv.tv_sec;
+}
--
GitLab