Latency monitor: command duration is in useconds. Convert.

src/latency.h

@@ -36,7 +36,7 @@ void latencyAddSample(char *event, mstime_t latency);
 /* Add the sample only if the elapsed time is >= to the configured threshold. */
 #define latencyAddSampleIfNeeded(event,var) \
     if (server.latency_monitor_threshold && \
-        var >= server.latency_monitor_threshold) \
-          latencyAddSample(event,var);
+        (var) >= server.latency_monitor_threshold) \
+          latencyAddSample((event),(var));
 
 #endif /* __LATENCY_H */

src/redis.c

@@ -1934,7 +1934,7 @@ void call(redisClient *c, int flags) {
     if (flags & REDIS_CALL_SLOWLOG && c->cmd->proc != execCommand) {
         char *latency_event = (c->cmd->flags & REDIS_CMD_FAST) ?
                               "fast-command" : "command";
-        latencyAddSampleIfNeeded(latency_event,duration);
+        latencyAddSampleIfNeeded(latency_event,duration/1000);
         slowlogPushEntryIfNeeded(c->argv,c->argc,duration);
     }
     if (flags & REDIS_CALL_STATS) {