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2026-09-06 - 09:57
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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
Characteristics of the 100 highest latencies:
System rack5slot1.osadl.org (updated Sun Sep 06, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
416421030,1sleep50-21swapper/522:12:245
292762880,1sleep50-21swapper/521:31:515
29351992218,3cyclictest4325-21turbostat21:55:004
2934299191,11cyclictest103-1kworker/0:1H+kblockd22:10:330
2934299184,10cyclictest7003-21ssh21:37:430
2934299180,14cyclictest15043-21sh21:24:200
2934299180,10cyclictest774-21runrttasks21:47:290
2934299180,10cyclictest4506-21sh21:18:070
2934299180,10cyclictest4506-21sh21:18:070
2934299180,10cyclictest27502-21diskmemload00:34:310
2934299180,10cyclictest21766-21ssh23:54:270
2934799179,6cyclictest27798-21grep23:20:251
2934299173,12cyclictest30409-21sh00:17:240
2934299172,8cyclictest31144-21sh23:22:360
2934299171,12cyclictest23204-21sh00:13:330
29342991710,6cyclictest25701-21wc23:20:000
2934299170,9cyclictest8159-21sh00:23:240
2934299170,9cyclictest774-21runrttasks21:29:540
2934299170,9cyclictest29767-21sh21:32:120
2934299170,14cyclictest30900-21sh22:27:370
2934299170,14cyclictest2056-21sh21:53:250
2934299170,14cyclictest10102-21sh21:57:490
162552170,3sleep50-21swapper/500:09:515
2935099164,8cyclictest29056-21mailstats20:15:213
2934999163,9cyclictest700-21gdbus21:35:212
29349991613,2cyclictest31012-21latency_hist22:10:002
2934799168,6cyclictest26339-21sort00:15:141
2934299164,4cyclictest0-21swapper/021:10:180
2934299163,6cyclictest156011needreboot20:55:170
2934299163,11cyclictest11342-21sh22:53:010
2934299162,10cyclictest21060-21runrttasks21:07:500
2934299161,6cyclictest1178-21taskset23:42:120
2935199154,8cyclictest1470-21ntpq20:25:214
2935199150,12cyclictest31273-21sh22:27:534
2935099158,5cyclictest16482-21ssh22:00:493
29350991511,3cyclictest27364-21needreboot23:20:183
2934999155,8cyclictest9536-21/usr/sbin/munin23:10:172
2934999155,8cyclictest9536-21/usr/sbin/munin23:10:172
2934999153,8cyclictest30804-21apt-key21:15:012
2934999153,8cyclictest30804-21apt-key21:15:012
2934999151,10cyclictest29187-21/usr/sbin/munin23:40:112
2934999151,10cyclictest1535-21diskmemload23:24:402
2934999150,9cyclictest31379-21sh21:33:232
2934799153,9cyclictest751-21postgres20:47:471
2934799152,9cyclictest9387-21seq20:41:001
2934799151,10cyclictest29611-21/usr/sbin/munin19:10:211
2934799150,11cyclictest16182-21wc21:25:011
2934299156,7cyclictest20604-21chrt22:21:320
2934299154,9cyclictest683-21dbus-daemon22:00:000
2934299153,9cyclictest25291-21sed23:00:250
2934299153,6cyclictest8228-21ssh00:05:110
2934299153,6cyclictest16018-21ssh21:42:490
2934299153,5cyclictest9959-21which23:10:210
2934299153,5cyclictest9959-21which23:10:200
2934299153,10cyclictest7654-21ssh23:45:320
2934299153,10cyclictest13478-21sh00:25:390
2934299152,9cyclictest25682-21sh23:55:550
2934299152,9cyclictest25682-21sh23:55:550
2934299152,8cyclictest4837-21sh23:25:370
2934299151,10cyclictest4555-21sh00:02:400
2934299151,10cyclictest24723-21diskmemload22:05:260
29342991510,4cyclictest9437-21cut22:15:180
2934299150,8cyclictest13100-21runrttasks19:40:400
2935199143,8cyclictest5845-21latency21:55:184
2935199143,8cyclictest27077-21timerandwakeup21:30:294
2935199141,9cyclictest4546-21ssh22:30:354
2935199141,9cyclictest29929-21sh23:59:024
2935199141,9cyclictest29929-21sh23:59:024
2935199141,9cyclictest16495-21ssh21:25:104
2935199141,10cyclictest13918-21ssh22:35:474
2935199140,10cyclictest9565-21chrt21:39:344
2935199140,10cyclictest9025-21rm21:20:224
2935199140,10cyclictest6784-21grep19:30:134
2935199140,10cyclictest31149-21ssh23:40:244
2935199140,10cyclictest27737-21ssh00:34:424
2935199140,10cyclictest25519-21ssh23:37:434
2935199140,10cyclictest23217-21rm23:00:024
2935199140,10cyclictest21757-21chrt22:40:224
2935199140,10cyclictest17236-21cut21:00:134
2935199140,10cyclictest14246-21sh22:18:204
2935199140,10cyclictest12936-21sh00:07:254
2935099141,9cyclictest9922-21ssh21:20:383
2935099141,9cyclictest734-21sshd22:10:043
2935099141,9cyclictest5728-21diskstats20:35:143
2935099141,9cyclictest5295-21ssh21:36:293
2935099141,9cyclictest31560-21sh00:36:053
2935099141,9cyclictest26217-21fschecks_count00:15:143
2935099141,9cyclictest23691-21/usr/sbin/munin21:10:243
2935099141,9cyclictest20259-21sh22:40:103
2935099141,9cyclictest10821-21sh22:15:503
2935099141,9cyclictest10263-21ssh21:57:573
2935099141,10cyclictest31576-21ssh23:04:573
2935099141,10cyclictest10990-21sh22:52:453
29350991410,3cyclictest24542-21unixbench-2d22:05:233
2935099140,10cyclictest7464-21ssh22:32:423
2935099140,10cyclictest4269-21wc23:25:243
2935099140,10cyclictest3206-21ssh22:48:333
2935099140,10cyclictest31958-21/usr/sbin/munin00:00:253
2935099140,10cyclictest31172-21/usr/sbin/munin21:15:173
2935099140,10cyclictest31172-21/usr/sbin/munin21:15:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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