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2026-03-16 - 12:55
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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 highest latencies:
System rack5slot0.osadl.org (updated Mon Mar 16, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2929121250,1sleep20-21swapper/200:05:192
2131421210,1sleep10-21swapper/123:00:151
2654721130,2sleep20-21swapper/221:14:302
6045210333,41sleep30-21swapper/319:07:433
180292900,3sleep3649099cyclictest23:24:213
614428734,49sleep10-21swapper/119:08:571
38192860,3sleep1648899cyclictest22:38:071
312242860,1sleep20-21swapper/222:22:452
113952860,1sleep10-21swapper/123:57:451
110442850,1sleep10-21swapper/121:50:311
290032840,2sleep10-21swapper/122:12:431
62462830,2sleep20-21swapper/223:42:072
278382810,2sleep30-21swapper/323:35:273
85462800,2sleep18541-21sshd21:55:121
39412790,1sleep20-21swapper/223:36:502
173702790,2sleep117369-21bash23:48:511
37422770,2sleep20-21swapper/221:54:292
113472770,2sleep2321ktimersoftd/221:26:272
269662760,2sleep30-21swapper/323:25:293
249922760,2sleep30-21swapper/321:23:473
120652760,1sleep30-21swapper/323:57:513
608127333,11sleep20-21swapper/219:08:102
259952700,1sleep30-21swapper/322:26:473
32002660,4sleep3649099cyclictest22:42:543
305672660,4sleep2648999cyclictest23:21:122
75952620,2sleep0648499cyclictest00:16:550
304652480,0sleep330462-21cp23:45:453
603724134,4sleep00-21swapper/019:07:350
288172340,2sleep12512-21runrttasks23:25:471
43752290,2sleep20-21swapper/221:40:012
202332290,3sleep30-21swapper/300:38:463
29182280,4sleep20-21swapper/223:31:452
44982270,2sleep30-21swapper/322:47:593
17192270,0sleep21718-21sshd21:49:202
82262250,23sleep1144650irq/27-eth022:29:071
135962250,1sleep20-21swapper/223:08:572
161692240,2sleep316167-21sshd00:28:123
85772230,3sleep20-21swapper/222:43:442
30702230,2sleep13073-21sshd21:44:411
648499223,17cyclictest9253-21sshd23:27:510
93632212,17sleep1144650irq/27-eth021:21:231
33882211,18sleep1144650irq/27-eth023:51:331
306282210,1sleep10-21swapper/100:30:191
198582210,0sleep20-21swapper/200:13:572
143142210,2sleep314307-21sshd21:46:123
133512210,2sleep30-21swapper/323:04:023
122292210,19sleep2144650irq/27-eth021:36:132
77912200,1sleep20-21swapper/222:14:272
648899209,0cyclictest0-21swapper/121:47:071
648899201,10cyclictest18278-21sshd22:40:161
648499200,10cyclictest0-21swapper/022:13:580
144262200,2sleep20-21swapper/223:28:412
102912200,0sleep041ktimersoftd/022:05:080
6490991913,4cyclictest32436-21sshd00:10:433
648899192,1cyclictest0-21swapper/123:41:141
648499190,18cyclictest22154-21sshd00:24:130
286972190,17sleep1144650irq/27-eth023:06:131
215532190,2sleep20-21swapper/223:59:232
67852180,1sleep30-21swapper/323:32:223
649099180,5cyclictest15164-21sshd22:54:333
648899187,1cyclictest18965-21sshd00:28:391
648899182,0cyclictest0-21swapper/100:16:151
6488991810,1cyclictest6224-21sshd21:16:061
648499181,11cyclictest0-21swapper/021:45:060
648499180,3cyclictest24455-21bash23:00:370
648499180,17cyclictest0-21swapper/023:51:250
648499180,17cyclictest0-21swapper/022:31:470
648499180,17cyclictest0-21swapper/021:11:530
648499180,17cyclictest0-21swapper/000:34:110
648499180,11cyclictest0-21swapper/023:16:030
279192180,16sleep3144650irq/27-eth022:22:153
649099173,10cyclictest9545-21sshd00:22:123
648999175,1cyclictest10950irq/23-ehci_hcd21:19:552
648899178,4cyclictest0-21swapper/119:35:591
648899177,4cyclictest0-21swapper/122:22:181
648899177,3cyclictest14702-21sshd23:14:021
648899175,0cyclictest0-21swapper/100:01:251
648899172,1cyclictest16506-21sshd22:01:031
648899171,9cyclictest29576-21sshd22:07:571
648899171,2cyclictest144650irq/27-eth022:48:131
648899170,7cyclictest0-21swapper/100:24:131
648499177,9cyclictest0-21swapper/023:36:300
648499177,9cyclictest0-21swapper/021:25:590
648499170,1cyclictest0-21swapper/022:43:490
648499170,1cyclictest0-21swapper/021:41:480
648499170,1cyclictest0-21swapper/021:24:110
648499170,1cyclictest0-21swapper/021:15:360
648499170,1cyclictest0-21swapper/000:01:440
648499170,16cyclictest1425-21sshd22:52:230
648499170,16cyclictest0-21swapper/023:22:530
648499170,16cyclictest0-21swapper/019:55:150
648499170,16cyclictest0-21swapper/000:15:000
648499170,16cyclictest0-21swapper/000:08:270
648499170,13cyclictest0-21swapper/023:40:440
648499170,13cyclictest0-21swapper/023:11:350
648499170,13cyclictest0-21swapper/022:20:000
648499170,12cyclictest30396-21sshd22:37:130
648499170,12cyclictest18499-21sshd21:32:240
648499170,12cyclictest0-21swapper/022:57:210
295732170,15sleep3144650irq/27-eth000:15:203
174862170,15sleep2144650irq/27-eth023:48:532
12222170,1sleep1648899cyclictest00:05:591
96312160,0sleep00-21swapper/023:57:280
649099167,5cyclictest23065-21sshd21:37:563
649099166,5cyclictest0-21swapper/322:11:303
649099162,2cyclictest32729-21sshd22:03:363
649099162,12cyclictest4569-21sshd23:12:253
649099161,14cyclictest0-21swapper/323:19:373
649099160,4cyclictest144650irq/27-eth021:17:293
649099160,14cyclictest15113-21latency_hist22:34:593
648999169,6cyclictest144650irq/27-eth022:00:502
648999163,12cyclictest635-21sshd22:47:222
648999162,13cyclictest25-21rcuop/123:03:092
648999160,7cyclictest0-21swapper/200:35:122
648899167,7cyclictest0-21swapper/120:06:321
648899167,3cyclictest144650irq/27-eth000:14:491
648899166,1cyclictest0-21swapper/121:14:041
6488991613,2cyclictest8720-21sshd23:22:531
648899161,0cyclictest0-21swapper/122:34:051
648499161,14cyclictest0-21swapper/021:35:160
648499160,9cyclictest0-21swapper/020:25:240
648499160,8cyclictest20369-21sshd22:25:520
648499160,1cyclictest0-21swapper/023:05:580
648499160,1cyclictest0-21swapper/022:45:350
648499160,1cyclictest0-21swapper/022:21:100
648499160,1cyclictest0-21swapper/021:50:540
648499160,1cyclictest0-21swapper/019:50:370
648499160,1cyclictest0-21swapper/000:35:380
648499160,1cyclictest0-21swapper/000:25:500
648499160,15cyclictest0-21swapper/022:01:000
648499160,15cyclictest0-21swapper/020:55:080
648499160,15cyclictest0-21swapper/020:51:220
648499160,15cyclictest0-21swapper/019:46:230
648499160,12cyclictest0-21swapper/023:45:100
648499160,12cyclictest0-21swapper/021:55:110
648499160,12cyclictest0-21swapper/019:41:380
225512160,14sleep310950irq/23-ehci_hcd21:52:213
76362150,3sleep30-21swapper/300:07:003
649099157,3cyclictest0-21swapper/300:31:173
649099152,3cyclictest17467-21sshd00:03:393
6490991512,2cyclictest0-21swapper/321:41:013
6490991510,0cyclictest0-21swapper/321:11:483
649099150,6cyclictest0-21swapper/323:08:093
649099150,14cyclictest0-21swapper/322:38:393
649099150,13cyclictest17713-21sshd21:56:253
649099150,13cyclictest0-21swapper/321:25:493
649099150,13cyclictest0-21swapper/319:40:153
648999158,6cyclictest27603-21sshd00:25:042
648999157,6cyclictest0-21swapper/222:16:332
648999156,5cyclictest13748-21sshd00:32:472
648999153,11cyclictest1844-21sshd00:01:082
6489991510,1cyclictest2024-21nfsd20:42:422
648999150,6cyclictest15075-21sshd23:53:242
648999150,6cyclictest0-21swapper/222:30:072
648999150,4cyclictest36-21rcuop/222:36:022
648999150,13cyclictest0-21swapper/221:58:072
648899157,1cyclictest18410-21ntp_kernel_pll_20:45:181
648899156,2cyclictest3398-21sshd22:18:361
648899156,2cyclictest30856-21sshd22:56:461
648899156,0cyclictest0-21swapper/121:05:121
648899155,3cyclictest8093-21sshd00:36:501
648899155,3cyclictest0-21swapper/119:30:141
648899154,3cyclictest5595-21sshd21:35:161
648899154,1cyclictest0-21swapper/123:36:081
648899153,4cyclictest1316-21munin-node20:10:211
6488991513,1cyclictest0-21swapper/122:52:541
648899151,13cyclictest6901-21sshd21:25:451
648899151,13cyclictest2024-21nfsd23:15:541
6488991511,3cyclictest144650irq/27-eth020:03:531
648499154,10cyclictest0-21swapper/019:18:230
648499150,1cyclictest0-21swapper/020:45:290
648499150,1cyclictest0-21swapper/020:35:310
648499150,1cyclictest0-21swapper/020:17:430
648499150,1cyclictest0-21swapper/020:03:340
648499150,1cyclictest0-21swapper/019:30:010
648499150,1cyclictest0-21swapper/019:28:300
648499150,1cyclictest0-21swapper/019:21:540
648499150,14cyclictest29597-21sshd23:30:500
648499150,14cyclictest0-21swapper/020:07:210
648499150,11cyclictest0-21swapper/020:30:540
648499150,11cyclictest0-21swapper/020:10:400
649099143,10cyclictest10950irq/23-ehci_hcd21:09:223
649099143,10cyclictest10950irq/23-ehci_hcd20:09:333
6490991411,2cyclictest0-21swapper/323:53:533
6490991410,3cyclictest10950irq/23-ehci_hcd21:04:033
649099140,8cyclictest25-21rcuop/122:56:113
649099140,13cyclictest22850-21sshd22:16:353
649099140,13cyclictest12526-21sshd21:31:273
649099140,13cyclictest10400-21sshd22:05:093
649099140,13cyclictest0-21swapper/319:23:103
649099140,12cyclictest30869-21sshd23:40:523
649099140,11cyclictest0-21swapper/319:25:183
648999148,5cyclictest3948-21sshd23:12:202
648999148,5cyclictest144650irq/27-eth019:43:552
648999148,4cyclictest30084-21memory20:00:182
648999148,4cyclictest11045-21munin-node19:20:192
648999147,2cyclictest10950irq/23-ehci_hcd00:16:482
648999141,4cyclictest14101-21sshd22:05:282
648999141,12cyclictest6709-21sshd21:20:562
6489991411,2cyclictest0-21swapper/222:50:152
6489991411,2cyclictest0-21swapper/221:33:282
648999141,12cyclictest0-21swapper/220:36:312
648999140,9cyclictest0-21swapper/219:47:512
648999140,4cyclictest27391-21sshd23:15:472
648999140,13cyclictest10375-21sshd22:58:402
648999140,13cyclictest0-21swapper/220:07:592
648999140,12cyclictest2339-21uname20:10:182
648999140,12cyclictest17379-21sshd22:25:242
648899145,1cyclictest10747-21sshd21:31:091
648899144,4cyclictest0-21swapper/120:26:451
648899144,1cyclictest0-21swapper/123:33:181
648899143,10cyclictest10950irq/23-ehci_hcd19:50:221
648899143,0cyclictest0-21swapper/121:05:001
648899141,12cyclictest0-21swapper/120:21:271
648499142,10cyclictest0-21swapper/021:05:390
6484991411,2cyclictest0-21swapper/021:00:060
648499140,1cyclictest0-21swapper/019:35:170
648499140,1cyclictest0-21swapper/019:10:410
648499140,13cyclictest0-21swapper/020:42:560
649099137,5cyclictest0-21swapper/320:24:333
649099137,5cyclictest0-21swapper/319:59:213
649099137,5cyclictest0-21swapper/319:30:483
649099137,2cyclictest0-21swapper/319:15:193
6490991311,1cyclictest0-21swapper/319:51:403
649099130,12cyclictest2024-21nfsd20:40:583
649099130,12cyclictest0-21swapper/320:57:523
649099130,12cyclictest0-21swapper/320:48:193
649099130,12cyclictest0-21swapper/320:39:243
649099130,12cyclictest0-21swapper/320:31:093
649099130,11cyclictest4340-21hddtemp_smartct20:15:143
649099130,11cyclictest18116-21df19:35:123
648999139,3cyclictest144650irq/27-eth020:50:412
648999138,4cyclictest9978-21munin-node19:15:192
648999138,3cyclictest18524-21hddtemp_smartct19:35:142
648999138,3cyclictest14073-21iostat_ios19:25:152
648999137,4cyclictest2100-21snmpd19:54:032
648999137,1cyclictest2024-21nfsd20:56:242
648999131,3cyclictest27685-21iostat19:55:132
6489991311,1cyclictest0-21swapper/220:45:162
648999130,4cyclictest11329-21sshd00:22:302
648999130,12cyclictest0-21swapper/219:31:332
648999130,11cyclictest6772-21df19:10:122
648999130,10cyclictest144650irq/27-eth020:26:502
648899138,3cyclictest4426-21iostat_ios20:15:151
648899138,3cyclictest23782-21taskset20:59:011
648899137,4cyclictest27197-21df19:55:111
648899135,0cyclictest0-21swapper/120:30:131
648899132,9cyclictest0-21swapper/120:40:491
648899132,10cyclictest144650irq/27-eth019:27:181
648899132,10cyclictest144650irq/27-eth019:20:241
648899132,0cyclictest0-21swapper/119:15:121
648499130,1cyclictest0-21swapper/020:21:040
649099128,3cyclictest2512-21runrttasks20:50:303
649099127,4cyclictest0-21swapper/320:11:083
649099126,1cyclictest2512-21runrttasks20:00:143
649099120,3cyclictest23537-21ntp_states19:45:173
649099120,11cyclictest144650irq/27-eth019:10:543
649099120,11cyclictest0-21swapper/320:25:073
648999127,4cyclictest24425-21munin-node21:00:102
648999120,11cyclictest5938-21munin-node20:20:202
648999120,11cyclictest26706-21diskstats21:05:122
648999120,11cyclictest0-21swapper/220:30:332
648999120,11cyclictest0-21swapper/220:15:032
648899128,3cyclictest14513-21chrt20:36:381
648899128,3cyclictest0-21swapper/119:47:041
648899123,1cyclictest0-21swapper/120:52:431
648899122,3cyclictest144650irq/27-eth019:10:211
648899117,3cyclictest20441-21df_inode19:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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