Added millisecond-accurate timestamp to JSON output

Kept original value for backward compatibility.

diff --git a/stat.c b/stat.c
index fc1efd4057bd29ffa41e4e45c6061cd4e50624e2..53848843860011441ed60c199e17437199545a6c 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -1636,16 +1636,21 @@ void __show_run_stats(void)
        if (output_format & FIO_OUTPUT_JSON) {
                struct thread_data *global;
                char time_buf[32];
        if (output_format & FIO_OUTPUT_JSON) {
                struct thread_data *global;
                char time_buf[32];

-               time_t time_p;
+               struct timeval now;
+               unsigned long long ms_since_epoch;

 
 

-               time(&time_p);
-               os_ctime_r((const time_t *) &time_p, time_buf,
+               gettimeofday(&now, NULL);
+               ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
+                                (unsigned long long)(now.tv_usec) / 1000;
+
+               os_ctime_r((const time_t *) &now.tv_sec, time_buf,

                                sizeof(time_buf));
                time_buf[strlen(time_buf) - 1] = '\0';
 
                root = json_create_object();
                json_object_add_value_string(root, "fio version", fio_version_string);
                                sizeof(time_buf));
                time_buf[strlen(time_buf) - 1] = '\0';
 
                root = json_create_object();
                json_object_add_value_string(root, "fio version", fio_version_string);

-               json_object_add_value_int(root, "timestamp", time_p);
+               json_object_add_value_int(root, "timestamp", now.tv_sec);
+               json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);

                json_object_add_value_string(root, "time", time_buf);
                global = get_global_options();
                json_add_job_opts(root, "global options", &global->opt_list, false);
                json_object_add_value_string(root, "time", time_buf);
                global = get_global_options();
                json_add_job_opts(root, "global options", &global->opt_list, false);