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>

1 files changed, 7 insertions, 4 deletions

diff --git a/networking/ntpd.c b/networking/ntpd.c
index 99817e83b..13cca3e77 100644
--- 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 */