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2025-01-15 - 10:50
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot6.osadl.org (updated Wed Jan 15, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1539821680,4sleep02187999cyclictest23:47:040
3082521660,4sleep02187999cyclictest00:47:020
2967421660,4sleep32189899cyclictest00:46:533
1675221660,2sleep12188599cyclictest23:07:591
428621610,4sleep02187999cyclictest01:33:320
428621610,4sleep02187999cyclictest01:33:320
1518911010,4ptp4l401ktimersoftd/320:22:363
151891680,1ptp4l401ktimersoftd/301:13:193
21879996010,18cyclictest18542-21load01:52:090
218042600,3sleep12188599cyclictest23:14:211
2187999599,17cyclictest15882-21/usr/sbin/munin22:27:030
21879995911,13cyclictest2603-21latency_hist22:51:430
2187999589,17cyclictest12055-21chrt00:24:340
2187999578,17cyclictest24377-21munin-node20:57:130
217182574,40sleep00-21swapper/020:25:550
151891570,1ptp4l401ktimersoftd/322:09:173
151891570,1ptp4l401ktimersoftd/301:30:493
2187999568,16cyclictest8231-21/usr/sbin/munin23:37:050
2187999568,10cyclictest7869-21snmp_o5powerctl00:17:100
151891560,1ptp4l401ktimersoftd/323:18:303
151891560,1ptp4l401ktimersoftd/323:03:583
2187999556,17cyclictest0-21swapper/001:27:040
21879995510,9cyclictest18789-21cron21:26:410
151891550,1ptp4l401ktimersoftd/322:30:183
151891550,1ptp4l401ktimersoftd/301:33:583
151891550,1ptp4l401ktimersoftd/301:33:583
151891550,1ptp4l401ktimersoftd/301:04:543
2187999549,14cyclictest28625-21ssh22:42:340
2187999549,13cyclictest16037-21ssh01:09:000
2187999548,15cyclictest5513-21ssh23:34:380
2187999548,14cyclictest9515-21ssh01:40:100
2187999548,14cyclictest28615-21apt-get21:47:010
2187999548,14cyclictest20544-21ssh23:52:430
2187999548,14cyclictest20544-21ssh23:52:430
2187999548,14cyclictest18108-21ssh23:10:460
2187999548,14cyclictest11775-21ssh01:44:440
21879995411,11cyclictest15579-21taskset01:48:150
2187999539,12cyclictest12045-21ssh01:04:540
2187999538,9cyclictest22968-21apt-get23:56:570
2187999538,13cyclictest11536-21ssh23:42:280
2187999537,14cyclictest26183-21ssh22:37:560
2187999537,11cyclictest26364-21apt-get01:21:500
21879995311,18cyclictest9011-21ssh00:59:130
2187999528,18cyclictest30039-21apt-get00:06:520
2187999528,14cyclictest25512-21ssh00:39:340
2187999528,14cyclictest20374-21ssh00:33:180
2187999528,13cyclictest19670-21ssh01:12:250
2187999527,14cyclictest13771-21ssh23:05:550
21879995210,14cyclictest209132grep22:32:030
2187999518,9cyclictest6051-21munin-run00:16:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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