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2026-06-18 - 04:52
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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 rack5slot0.osadl.org (updated Thu Jun 18, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2681121180,3sleep21404099cyclictest23:57:022
587821140,1sleep11403999cyclictest22:02:361
119422960,1sleep011941-21sshd22:25:460
1365829233,55sleep10-21swapper/119:08:271
167372910,2sleep08-21rcu_preempt22:00:100
89042900,1sleep20-21swapper/223:18:392
3812900,0sleep00-21swapper/023:03:540
203792900,4sleep00-21swapper/000:10:500
189312900,0sleep041ktimersoftd/021:35:290
91542860,0sleep041ktimersoftd/021:59:220
252782840,2sleep20-21swapper/222:59:312
59912830,0sleep00-21swapper/022:53:110
167722830,2sleep10-21swapper/100:06:581
1174528333,46sleep30-21swapper/319:05:083
108292830,1sleep20-21swapper/222:50:142
55182820,1sleep03-21ksoftirqd/022:49:430
322752810,2sleep30-21swapper/323:17:393
171232810,2sleep30-21swapper/323:12:353
96842800,3sleep30-21swapper/321:52:323
112332800,1sleep011229-21bash00:35:440
317122790,2sleep20-21swapper/223:39:302
143902780,1sleep10-21swapper/121:42:001
4292750,1sleep20-21swapper/223:50:332
210882750,5sleep10-21swapper/122:22:551
306102740,1sleep12024-21nfsd23:07:041
296412730,2sleep129640-21sshd23:57:221
1372927232,11sleep20-21swapper/219:09:212
86602710,2sleep20-21swapper/200:13:252
119942710,4sleep11403999cyclictest00:24:591
96702690,2sleep10-21swapper/123:47:511
306092680,2sleep10-21swapper/121:58:101
179662680,4sleep01403899cyclictest00:25:290
292282640,1sleep10-21swapper/123:53:521
327322630,4sleep21404099cyclictest00:38:132
102182580,2sleep01403899cyclictest22:57:250
1372725732,4sleep00-21swapper/019:09:190
303952430,0sleep00-21swapper/023:50:180
59912380,2sleep25975-21sshd23:00:552
76472330,2sleep20-21swapper/221:27:302
141352330,2sleep10-21swapper/122:14:581
210762292,25sleep328950irq/26-ahci[00021:57:103
230092280,2sleep22512-21runrttasks23:27:242
175132280,3sleep10-21swapper/121:38:551
147632280,1sleep20-21swapper/223:05:202
176682260,2sleep10-21swapper/122:33:261
114782260,1sleep00-21swapper/022:32:440
261252250,2sleep20-21swapper/222:01:092
185802250,23sleep1144650irq/27-eth000:29:201
16822250,2sleep10-21swapper/121:20:041
166752250,2sleep20-21swapper/221:21:332
153402250,1sleep01403899cyclictest21:28:210
151702250,4sleep31404199cyclictest21:28:203
252052240,2sleep125203-21sshd23:24:111
150662230,1sleep014056-21munin-node19:10:180
130512230,21sleep2144650irq/27-eth022:29:312
243482221,18sleep3144650irq/27-eth022:59:253
181102220,2sleep20-21swapper/222:40:202
179522220,1sleep217953-21sshd21:14:562
15672221,19sleep228950irq/26-ahci[00023:14:272
116862220,1sleep011678-21sshd21:52:450
86772210,3sleep31493-21kworker/3:022:10:033
77182210,2sleep20-21swapper/221:55:402
23352210,2sleep32329-21bash22:31:423
228072210,2sleep122804-21bash23:34:491
210722210,0sleep00-21swapper/022:15:370
100322211,17sleep1144650irq/27-eth021:34:431
241042200,4sleep31404199cyclictest22:37:323
206202200,18sleep2144650irq/27-eth021:18:382
122612200,18sleep1144650irq/27-eth022:50:221
322632190,18sleep128950irq/26-ahci[00000:30:411
312632190,1sleep00-21swapper/021:40:180
25262190,17sleep1144650irq/27-eth023:28:521
21932190,1sleep30-21swapper/323:46:543
210272190,7sleep30-21swapper/322:00:303
196072190,0sleep00-21swapper/019:20:190
1404199192,15cyclictest2088-21snmpd22:43:373
1403899196,11cyclictest0-21swapper/020:00:000
167692180,16sleep1144650irq/27-eth022:07:261
158022182,15sleep1144650irq/27-eth019:11:241
14039991811,1cyclictest23389-21cp00:04:071
1403999180,12cyclictest8857-21sshd23:11:401
1403899181,12cyclictest0-21swapper/023:42:050
1404199170,12cyclictest30467-21sshd22:05:123
1403999177,3cyclictest11122-21sshd21:14:111
125132170,15sleep3144650irq/27-eth000:39:363
324932160,3sleep10-21swapper/122:42:081
20042160,2sleep10-21swapper/100:38:241
1404199168,4cyclictest144650irq/27-eth000:30:133
14041991613,2cyclictest0-21swapper/322:25:493
1404199160,14cyclictest10856-21sshd21:45:373
1404199160,11cyclictest144650irq/27-eth000:00:273
1404099167,4cyclictest32473-21sshd00:05:142
1404099163,9cyclictest27061-21sshd23:20:282
1404099163,6cyclictest2024-21nfsd00:24:452
1404099163,1cyclictest30177-21sshd22:34:482
1404099162,13cyclictest2024-21nfsd22:05:082
1404099161,3cyclictest0-21swapper/222:37:182
14040991613,2cyclictest25417-21sshd21:36:142
1404099160,4cyclictest20069-21sshd21:46:382
1404099160,11cyclictest17464-21bash22:18:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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