Test jdk/jfr/api/recording/event/TestPeriod.java failed in JDK12-24 ATR testing with the following error:

Provoking events with period 100 ms
event: time=1544921215627, delta=136
event: time=1544921215727, delta=100
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921216658, delta=245
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921217513, delta=100
event: time=1544921217613, delta=100
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921217946, delta=128
event: time=1544921218100, delta=154
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921219128, delta=199
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921219478, delta=103
event: time=1544921219725, delta=247
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921220416, delta=234
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921220829, delta=191
event: time=1544921220929, delta=100
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921221498, delta=241
event: time=1544921221617, delta=119
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921221916, delta=101
event: time=1544921222165, delta=249
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921222494, delta=167
event: time=1544921222639, delta=145
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921223422, delta=165
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921224116, delta=230
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921224456, delta=143
event: time=1544921224558, delta=102
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921225151, delta=104
Didn't get sufficent number of events. Retrying...

Provoking events with period 100 ms
event: time=1544921225537, delta=-402
event: time=1544921225637, delta=100
event: time=1544921225756, delta=119
verifyDelta: actaul=-402, expected=100 (errorMargin=20)