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2026-03-20 - 12:13
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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 rack2slot0.osadl.org (updated Fri Mar 20, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1589421030,0sleep20-21swapper/223:04:342
292972870,0sleep029296-21sshd00:11:400
92102790,0sleep10-21swapper/121:55:401
327542770,0sleep10-21swapper/122:49:321
263002760,2sleep23178799cyclictest23:35:392
126442740,2sleep23178799cyclictest21:45:362
108162680,2sleep23178799cyclictest00:23:562
194242570,1sleep30-21swapper/323:21:223
182722550,0sleep01026-21sshd00:16:140
310992520,0sleep00-21swapper/000:39:280
309962520,2sleep03177699cyclictest22:05:040
60212510,1sleep26019-21munin-plugin-st22:50:012
292402510,0sleep30-21swapper/321:44:013
262192510,1sleep2311rcuc/223:49:272
31942500,1sleep33191-21bash22:41:273
255512490,0sleep20-21swapper/222:54:242
196182490,0sleep319615-21lspci00:16:213
214062480,0sleep10-21swapper/100:08:181
210762480,0sleep30-21swapper/322:17:523
235482450,2sleep33179399cyclictest22:26:413
19112360,0sleep2321ktimersoftd/200:03:542
203292340,0sleep00-21swapper/021:43:010
316652249,10sleep30-21swapper/319:09:543
3159022311,7sleep20-21swapper/219:08:562
3148022211,7sleep00-21swapper/019:07:340
3149822110,7sleep10-21swapper/119:07:471
120442210,0sleep00-21swapper/023:48:130
39632190,2sleep03177699cyclictest22:19:340
53672170,0sleep30-21swapper/323:28:273
251332170,1sleep1231rcuc/122:43:221
136482170,0sleep213642-21sshd23:51:052
270692160,0sleep00-21swapper/021:57:400
112152160,0sleep00-21swapper/000:23:590
71322150,0sleep20-21swapper/221:19:332
71322150,0sleep20-21swapper/221:19:322
246702150,0sleep30-21swapper/321:53:583
59432140,1sleep1674-21dbus-daemon22:33:281
3178199140,11cyclictest20132-21sshd23:10:201
3177699140,13cyclictest0-21swapper/023:44:250
247452140,0sleep10-21swapper/122:37:501
208042140,0sleep20-21swapper/221:50:042
95462130,0sleep20-21swapper/222:39:192
79172130,0sleep20-21swapper/221:14:042
31787991311,1cyclictest23952-21grepconf.sh23:16:132
3178199130,1cyclictest16912-21lspci22:50:501
3178199130,12cyclictest0-21swapper/100:19:101
31776991311,1cyclictest29979-21gdbus22:45:550
161492130,0sleep30-21swapper/322:48:053
151232130,0sleep10-21swapper/122:20:281
31793991210,1cyclictest5356-21sshd00:01:243
31793991210,1cyclictest30544-21sshd00:33:533
3179399120,11cyclictest27009-21lspci22:51:433
3179399120,11cyclictest0-21swapper/321:45:533
31787991210,1cyclictest22248-21sshd00:05:322
3178799120,11cyclictest0-21swapper/222:30:232
31781991211,0cyclictest0-21swapper/100:20:191
3178199120,1cyclictest6880-21sshd21:51:591
3178199120,1cyclictest0-21swapper/122:06:301
3178199120,11cyclictest623-17sedispatch23:27:401
3178199120,11cyclictest0-21swapper/123:22:091
3178199120,11cyclictest0-21swapper/123:02:001
31776991210,1cyclictest699-21gdbus00:02:450
3177699120,1cyclictest31133-21sshd22:41:040
3177699120,1cyclictest2540-21lspci22:57:540
3177699120,1cyclictest18273-21sshd23:37:440
3177699120,1cyclictest0-21swapper/022:34:140
3177699120,1cyclictest0-21swapper/022:14:250
3179399119,1cyclictest29406-21sshd23:44:133
31793991110,0cyclictest0-21swapper/300:27:443
3179399110,10cyclictest0-21swapper/322:35:143
3179399110,10cyclictest0-21swapper/321:58:143
3178799110,10cyclictest23488-21sshd23:43:432
3178799110,10cyclictest0-21swapper/222:58:222
3178799110,10cyclictest0-21swapper/221:31:232
3178199119,1cyclictest11037-21wc23:45:191
3178199119,1cyclictest0-21swapper/100:03:401
3178199110,10cyclictest0-21swapper/123:17:501
3178199110,10cyclictest0-21swapper/122:25:401
3178199110,10cyclictest0-21swapper/121:36:291
3178199110,10cyclictest0-21swapper/121:18:301
3178199110,10cyclictest0-21swapper/121:18:291
3177699119,1cyclictest0-21swapper/021:50:440
31776991110,0cyclictest0-21swapper/022:29:550
31776991110,0cyclictest0-21swapper/000:26:440
223502110,1sleep3370-21jbd2/sda1-823:18:523
3179399100,0cyclictest0-21swapper/323:32:033
3179399100,0cyclictest0-21swapper/300:20:233
3178799109,0cyclictest0-21swapper/223:30:222
3178799109,0cyclictest0-21swapper/223:20:322
3178799109,0cyclictest0-21swapper/222:18:522
3178799109,0cyclictest0-21swapper/222:00:022
3178799108,1cyclictest33-21ksoftirqd/223:30:012
3178799108,1cyclictest1-21systemd22:24:032
3178799100,0cyclictest0-21swapper/222:06:532
3178199109,0cyclictest0-21swapper/123:58:591
3178199109,0cyclictest0-21swapper/123:07:091
3178199109,0cyclictest0-21swapper/120:30:501
3178199100,0cyclictest0-21swapper/122:01:391
3178199100,0cyclictest0-21swapper/119:35:091
3177699109,0cyclictest9457-21kworker/0:021:33:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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