ntpd: let user know if spike was detected

function                                             old     new   delta
update_local_clock                                   861     943     +82

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/networking/ntpd.c b/networking/ntpd.c
index 99817e8..13cca3e 100644 (file)
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -1347,10 +1347,12 @@ update_local_clock(peer_t *p)
         * offset exceeds the step threshold and when it does not.
         */
        if (abs_offset > STEP_THRESHOLD) {
+               double remains;
+
                switch (G.discipline_state) {
                case STATE_SYNC:
                        /* The first outlyer: ignore it, switch to SPIK state */
-                       VERB3 bb_error_msg("offset:%+f - spike detected", offset);
+                       VERB2 bb_error_msg("offset:%+f - spike", offset);
                        G.discipline_state = STATE_SPIK;
                        return -1; /* "decrease poll interval" */
 
@@ -1358,9 +1360,10 @@ update_local_clock(peer_t *p)
                        /* Ignore succeeding outlyers until either an inlyer
                         * is found or the stepout threshold is exceeded.
                         */
-                       if (since_last_update < WATCH_THRESHOLD) {
-                               VERB3 bb_error_msg("spike detected, datapoint ignored, %f sec remains",
-                                               WATCH_THRESHOLD - since_last_update);
+                       remains = WATCH_THRESHOLD - since_last_update;
+                       if (remains > 0) {
+                               VERB2 bb_error_msg("spike, datapoint ignored, %f sec remains",
+                                               remains);
                                return -1; /* "decrease poll interval" */
                        }
                        /* fall through: we need to step */