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2025-06-16 - 20:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackdslot2.osadl.org (updated Mon Jun 16, 2025 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137391232165,22phc2sys0-21swapper/307:05:083
51972213164,37sleep00-21swapper/007:07:590
51262205172,22sleep20-21swapper/207:07:052
47292205173,21sleep10-21swapper/107:05:271
226262750,2sleep00-21swapper/011:05:190
5650996928,5cyclictest41-21ksoftirqd/310:00:013
564999696,22cyclictest861-21irqrtprio10:20:222
564999670,23cyclictest28213-21cat12:25:002
5650996631,4cyclictest41-21ksoftirqd/311:15:003
564999630,30cyclictest11968-21/usr/sbin/munin11:50:232
5650996220,4cyclictest41-21ksoftirqd/311:01:173
5650996120,4cyclictest41-21ksoftirqd/307:47:123
564999610,26cyclictest9037-21grep07:15:212
5650996030,4cyclictest41-21ksoftirqd/309:45:003
5650996013,9cyclictest41-21ksoftirqd/309:22:443
564999606,19cyclictest30583-21expr08:00:142
5650995926,4cyclictest41-21ksoftirqd/308:35:003
5650995827,4cyclictest41-21ksoftirqd/310:50:173
5650995821,4cyclictest41-21ksoftirqd/311:24:403
5650995729,4cyclictest41-21ksoftirqd/312:20:243
5650995727,10cyclictest41-21ksoftirqd/309:15:003
5650995722,4cyclictest41-21ksoftirqd/309:45:193
5650995721,4cyclictest41-21ksoftirqd/310:00:553
5650995720,4cyclictest41-21ksoftirqd/312:08:563
5650995720,4cyclictest41-21ksoftirqd/311:49:473
5650995720,4cyclictest41-21ksoftirqd/311:49:473
5650995720,4cyclictest41-21ksoftirqd/308:49:473
5650995719,4cyclictest41-21ksoftirqd/310:59:163
5650995719,4cyclictest41-21ksoftirqd/310:20:333
5650995719,4cyclictest41-21ksoftirqd/308:10:473
5650995719,3cyclictest41-21ksoftirqd/311:08:353
5650995718,4cyclictest41-21ksoftirqd/308:58:043
5650995716,4cyclictest41-21ksoftirqd/307:54:023
5650995628,7cyclictest41-21ksoftirqd/308:30:003
5650995620,4cyclictest41-21ksoftirqd/311:43:493
5650995620,4cyclictest41-21ksoftirqd/308:16:493
5650995620,4cyclictest41-21ksoftirqd/307:56:513
5650995619,4cyclictest41-21ksoftirqd/312:02:313
5650995618,4cyclictest41-21ksoftirqd/307:38:303
564999560,24cyclictest19575-21/usr/sbin/munin11:00:292
5650995527,4cyclictest41-21ksoftirqd/308:05:193
5650995527,4cyclictest41-21ksoftirqd/308:00:163
5650995524,7cyclictest41-21ksoftirqd/312:30:193
5650995521,8cyclictest41-21ksoftirqd/307:30:263
5650995520,4cyclictest41-21ksoftirqd/308:52:233
5650995518,9cyclictest41-21ksoftirqd/311:55:233
5650995518,4cyclictest41-21ksoftirqd/311:25:483
5650995518,4cyclictest41-21ksoftirqd/310:48:283
5650995518,4cyclictest41-21ksoftirqd/310:31:403
5650995427,7cyclictest41-21ksoftirqd/309:05:193
5650995426,8cyclictest41-21ksoftirqd/309:30:233
5650995423,4cyclictest41-21ksoftirqd/312:25:173
5650995420,4cyclictest41-21ksoftirqd/311:38:563
5650995418,4cyclictest41-21ksoftirqd/309:19:473
5650995418,4cyclictest41-21ksoftirqd/308:38:353
30862530,2sleep00-21swapper/010:25:190
5650995226,7cyclictest41-21ksoftirqd/311:18:473
5650995226,7cyclictest41-21ksoftirqd/311:18:473
5650995216,9cyclictest41-21ksoftirqd/309:02:183
5650995118,8cyclictest41-21ksoftirqd/310:15:293
5650995114,4cyclictest41-21ksoftirqd/310:27:153
5650995015,4cyclictest41-21ksoftirqd/312:16:103
5650995015,4cyclictest41-21ksoftirqd/312:16:103
5650995014,4cyclictest41-21ksoftirqd/310:41:143
5650995013,8cyclictest41-21ksoftirqd/312:39:013
156322490,3sleep215636-21irqrtprio10:50:222
5650994816,9cyclictest41-21ksoftirqd/309:35:253
565099477,7cyclictest41-21ksoftirqd/309:50:163
5650994721,10cyclictest41-21ksoftirqd/310:05:143
5650994716,9cyclictest41-21ksoftirqd/311:30:273
5650994716,5cyclictest41-21ksoftirqd/310:35:213
565099468,3cyclictest41-21ksoftirqd/307:20:183
565099465,2cyclictest41-21ksoftirqd/307:40:193
565099461,8cyclictest41-21ksoftirqd/311:50:243
5650994616,8cyclictest41-21ksoftirqd/307:18:083
565099443,6cyclictest41-21ksoftirqd/307:10:183
565099443,4cyclictest41-21ksoftirqd/308:25:013
5650994433,3cyclictest41-21ksoftirqd/307:25:143
5650994426,4cyclictest41-21ksoftirqd/312:10:173
564999441,29cyclictest788-21taskset12:35:072
565099437,3cyclictest41-21ksoftirqd/308:40:183
565099437,3cyclictest41-21ksoftirqd/308:40:183
5650994318,7cyclictest41-21ksoftirqd/310:10:203
564999433,23cyclictest30510-21fschecks_count10:15:182
42098430,2rtkit-daemon0-21swapper/012:06:480
564999421,31cyclictest2494-21gnome-shell09:35:592
564999420,25cyclictest14796-21head07:25:282
42098420,2rtkit-daemon0-21swapper/107:12:471
565099412,3cyclictest41-21ksoftirqd/309:25:273
564999391,35cyclictest24881-21unattended-upgr07:46:372
564999391,23cyclictest8873-21fschecks_count09:30:212
5647993935,2cyclictest9-21ksoftirqd/010:00:000
564999381,22cyclictest29073-21/usr/sbin/munin11:20:312
5647993833,3cyclictest10984-21cron11:50:000
5647993833,3cyclictest10984-21cron11:50:000
564999371,22cyclictest218-21systemd-journal09:56:352
564999370,20cyclictest17557-21cron07:35:002
5647993730,4cyclictest9-21ksoftirqd/007:20:000
564999360,2cyclictest0-21swapper/209:15:582
564999360,23cyclictest11479-21timerandwakeup08:25:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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