[dpdk-dev] [PATCH v6 05/10] app/testpmd: add clock_gettime_monotonic

[Jie Zhou]

Add clock_gettime_monotonic for testpmd on Windows

Signed-off-by: Jie Zhou <j...@microsoft.com>
Signed-off-by: Jie Zhou <j...@linux.microsoft.com>
---
 app/test-pmd/config.c | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index ef0b9784d..a5f8fec5b 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -63,6 +63,12 @@
 
 #define NS_PER_SEC 1E9
 
+#ifdef RTE_EXEC_ENV_WINDOWS
+#define _clock_gettime_monotonic(cur_time) clock_gettime_monotonic(&cur_time)
+#else
+#define _clock_gettime_monotonic(cur_time) clock_gettime(CLOCK_TYPE_ID, 
&cur_time)
+#endif
+
 static char *flowtype_to_str(uint16_t flow_type);
 
 static const struct {
@@ -170,6 +176,27 @@ print_ethaddr(const char *name, struct rte_ether_addr 
*eth_addr)
        printf("%s%s", name, buf);
 }
 
+#ifdef RTE_EXEC_ENV_WINDOWS
+static int
+clock_gettime_monotonic(struct timespec *tp)
+{
+       LARGE_INTEGER pf, pc;
+       LONGLONG nsec;
+
+       if (QueryPerformanceFrequency(&pf) == 0)
+               return -1;
+
+       if (QueryPerformanceCounter(&pc) == 0)
+               return -1;
+
+       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;
+}
+#endif
+
 void
 nic_stats_display(portid_t port_id)
 {
@@ -186,6 +213,8 @@ nic_stats_display(portid_t port_id)
 
        static const char *nic_stats_border = "########################";
 
+       int ret;
+
        if (port_id_is_invalid(port_id, ENABLED_WARN)) {
                print_valid_ports();
                return;
@@ -202,7 +231,9 @@ nic_stats_display(portid_t port_id)
               "%-"PRIu64"\n", stats.opackets, stats.oerrors, stats.obytes);
 
        diff_ns = 0;
-       if (clock_gettime(CLOCK_TYPE_ID, &cur_time) == 0) {
+
+       ret = _clock_gettime_monotonic(cur_time);
+       if (ret == 0) {
                uint64_t ns;
 
                ns = cur_time.tv_sec * NS_PER_SEC;
-- 
2.30.0.vfs.0.2