time: add ntime_since_now()

[fio.git] / gettime.c

diff --git a/gettime.c b/gettime.c
index 5741932f283ccc8edf8c262b581e9adf936dba2b..79455284a30d715b819a779bf3e7943c602eb549 100644 (file)
--- a/gettime.c
+++ b/gettime.c
@@ -425,6 +425,7 @@ void fio_clock_init(void)
                        fio_clock_source = CS_CPUCLOCK;
        } else if (fio_clock_source == CS_CPUCLOCK)
                log_info("fio: clocksource=cpu may not be reliable\n");
+       dprint(FD_TIME, "gettime: clocksource=%d\n", (int) fio_clock_source);
 }
 
 uint64_t ntime_since(const struct timespec *s, const struct timespec *e)
@@ -447,6 +448,14 @@ uint64_t ntime_since(const struct timespec *s, const struct timespec *e)
        return nsec + (sec * 1000000000LL);
 }
 
+uint64_t ntime_since_now(const struct timespec *s)
+{
+       struct timespec now;
+
+       fio_gettime(&now, NULL);
+       return ntime_since(s, &now);
+}
+
 uint64_t utime_since(const struct timespec *s, const struct timespec *e)
 {
        int64_t sec, usec;
@@ -542,7 +551,7 @@ uint64_t time_since_now(const struct timespec *s)
     defined(CONFIG_SFAA)
 
 #define CLOCK_ENTRIES_DEBUG    100000
-#define CLOCK_ENTRIES_TEST     10000
+#define CLOCK_ENTRIES_TEST     1000
 
 struct clock_entry {
        uint32_t seq;