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From: Jie Zhou <jizh@linux.microsoft.com>
To: dev@dpdk.org
Cc: dmitry.kozliuk@gmail.com, xiaoyun.li@intel.com, roretzla@microsoft.com,
talshn@nvidia.com, pallavi.kadam@intel.com, andrew.rybchenko@oktetlabs.ru,
thomas@monjalon.net, bruce.richardson@intel.com, ferruh.yigit@intel.com,
konstantin.ananyev@intel.com, stable@dpdk.org
Date: Tue, 29 Jun 2021 13:23:41 -0700
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<1624998226-12220-1-git-send-email-jizh@linux.microsoft.com>
Subject: [dpdk-dev] [PATCH v15 4/9] eal/Windows: add clock_gettime on Windows
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Add clock_gettime on Windows in rte_os_shim.h
Signed-off-by: Jie Zhou <jizh@linux.microsoft.com>
Acked-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
---
lib/eal/windows/include/rte_os_shim.h | 33 +++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/lib/eal/windows/include/rte_os_shim.h b/lib/eal/windows/include/rte_os_shim.h
index 824d9748ba..33619745ab 100644
--- a/lib/eal/windows/include/rte_os_shim.h
+++ b/lib/eal/windows/include/rte_os_shim.h
@@ -77,4 +77,37 @@ rte_timespec_get(struct timespec *now, int base)
#endif /* RTE_TOOLCHAIN_GCC */
+/* Identifier for system-wide realtime clock. */
+#define CLOCK_REALTIME 0
+/* Monotonic system-wide clock. */
+#define CLOCK_MONOTONIC 1
+
+typedef int clockid_t;
+
+static inline int
+rte_clock_gettime(clockid_t clock_id, struct timespec *tp)
+{
+ const int NS_PER_SEC = 1E9;
+ LARGE_INTEGER pf, pc;
+ LONGLONG nsec;
+
+ switch (clock_id) {
+ case CLOCK_REALTIME:
+ if (timespec_get(tp, TIME_UTC) != TIME_UTC)
+ return -1;
+ return 0;
+ case CLOCK_MONOTONIC:
+ QueryPerformanceFrequency(&pf);
+ QueryPerformanceCounter(&pc);
+
+ nsec = pc.QuadPart * NS_PER_SEC / pf.QuadPart;
+ tp->tv_sec = nsec / NS_PER_SEC;
+ tp->tv_nsec = nsec - tp->tv_sec * NS_PER_SEC;
+ return 0;
+ default:
+ return -1;
+ }
+}
+#define clock_gettime(clock_id, tp) rte_clock_gettime(clock_id, tp)
+
#endif /* _RTE_OS_SHIM_ */
--
2.31.0.vfs.0.1