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2026-03-19 - 13:36
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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 all highest latencies:
System rack5slot0.osadl.org (updated Thu Mar 19, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811421240,2sleep12132-21sshd00:04:351
2581521170,1sleep00-21swapper/000:14:000
1772529434,48sleep10-21swapper/119:07:531
224562920,3sleep31817099cyclictest00:20:453
70812900,2sleep16752-21sshd22:55:231
292592870,1sleep329257-21sshd21:51:293
51262860,2sleep25113-21sshd22:17:292
1784128633,49sleep30-21swapper/319:09:233
301112850,3sleep20-21swapper/223:23:422
287242850,2sleep10-21swapper/100:21:271
313172830,2sleep30-21swapper/323:38:333
114502830,4sleep11816899cyclictest22:04:131
249492820,2sleep224950-21sshd23:59:272
166612820,0sleep00-21swapper/021:20:570
134562820,1sleep213454-21sshd23:25:172
118312780,3sleep10-21swapper/121:24:101
115822780,2sleep211577-21sshd22:37:242
245482770,1sleep20-21swapper/223:41:132
89902760,2sleep20-21swapper/222:07:352
315122740,2sleep10-21swapper/121:48:151
291092720,0sleep129028-21sshd21:55:001
11472710,0sleep00-21swapper/022:40:120
130542700,1sleep30-21swapper/322:21:433
11802690,2sleep20-21swapper/222:51:122
51762680,0sleep00-21swapper/023:27:520
134792680,0sleep00-21swapper/023:50:440
293732670,1sleep11816899cyclictest22:31:311
148742660,4sleep114872-21id00:30:441
97622650,1sleep20-21swapper/223:46:582
1777425933,14sleep00-21swapper/019:08:320
1787925734,11sleep20-21swapper/219:09:502
253012450,1sleep025302-21wget22:35:100
130012340,0sleep213000-21bash21:35:562
31462330,0sleep23145-21bash00:37:072
92102300,0sleep00-21swapper/023:36:060
322642300,1sleep032256-21sshd23:23:550
37202290,1sleep03717-21bash21:30:540
25492294,23sleep110950irq/23-ehci_hcd23:53:151
154112290,26sleep3144650irq/27-eth021:43:093
189302280,2sleep218898-21sshd22:56:492
119382281,25sleep1144650irq/27-eth022:25:221
276242260,3sleep10-21swapper/123:56:091
150872260,2sleep21816999cyclictest22:00:352
102112260,1sleep22024-21nfsd21:20:192
233252250,2sleep223313-21sshd21:40:262
150852250,2sleep315084-21sshd21:32:263
12112250,0sleep00-21swapper/022:47:490
78792240,2sleep27880-21latency_hist21:10:002
34342230,3sleep20-21swapper/223:02:532
290442230,4sleep11816899cyclictest00:06:441
216962230,3sleep021697-21mailstats22:05:210
172842230,3sleep12023-21nfsd21:10:521
169752230,21sleep3144650irq/27-eth000:31:003
144942230,21sleep3144650irq/27-eth023:40:133
29212210,3sleep20-21swapper/222:44:262
285022210,12sleep1144650irq/27-eth022:20:011
210202210,3sleep121012-21sshd00:17:101
1816899210,13cyclictest0-21swapper/122:37:201
141432211,18sleep3144650irq/27-eth022:25:363
10792210,2sleep10-21swapper/122:13:391
312122200,1sleep031210-21sshd22:58:220
236212200,3sleep10-21swapper/121:25:261
18170992016,2cyclictest30023-21cp23:34:573
70512190,1sleep27050-21bash21:55:572
59212190,1sleep12512-21runrttasks23:31:491
293032190,2sleep329295-21sshd23:12:573
293032190,2sleep329295-21sshd23:12:573
18169991915,3cyclictest30610-21sshd21:12:182
1816899190,8cyclictest0-21swapper/123:00:381
1816899190,8cyclictest0-21swapper/121:32:481
267382180,16sleep3144650irq/27-eth000:17:493
240142180,16sleep1144650irq/27-eth022:19:331
196232180,16sleep1144650irq/27-eth000:27:521
18169991815,2cyclictest0-21swapper/221:31:192
1816899188,6cyclictest0-21swapper/123:07:231
1816899180,7cyclictest5429-21sshd21:55:461
1816899180,6cyclictest26875-21sshd22:47:041
1816899180,12cyclictest0-21swapper/122:41:431
97692170,2sleep00-21swapper/000:04:470
18170991713,3cyclictest10950irq/23-ehci_hcd00:25:213
1816999177,4cyclictest10950irq/23-ehci_hcd22:30:142
1816999176,4cyclictest10950irq/23-ehci_hcd23:52:572
18169991714,2cyclictest18654-21sshd00:16:532
1816999171,14cyclictest5158-21sshd23:17:342
1816899172,5cyclictest13992-21sshd23:47:261
1816899171,7cyclictest0-21swapper/123:29:241
1816899170,7cyclictest13233-21sshd23:36:321
1816899170,7cyclictest0-21swapper/123:22:291
1816899170,7cyclictest0-21swapper/123:11:521
1816899170,7cyclictest0-21swapper/123:11:521
1816799175,11cyclictest0-21swapper/023:05:460
1816799173,13cyclictest15157-21sshd22:04:420
1816799171,12cyclictest0-21swapper/023:49:450
324822160,14sleep3144650irq/27-eth023:17:013
301182160,14sleep3144650irq/27-eth021:37:523
23732160,15sleep310950irq/23-ehci_hcd21:23:013
219392160,14sleep3144650irq/27-eth022:30:333
18170991611,4cyclictest19637-21sshd21:17:593
1817099160,4cyclictest26416-21sshd00:10:063
1817099160,15cyclictest0-21swapper/323:04:393
1817099160,14cyclictest0-21swapper/322:44:373
1816999164,11cyclictest10950irq/23-ehci_hcd20:12:522
18169991613,2cyclictest0-21swapper/222:13:592
18169991610,4cyclictest22826-21sshd21:50:462
1816899165,4cyclictest10950irq/23-ehci_hcd19:10:131
1816899162,5cyclictest0-21swapper/122:50:381
1816899161,6cyclictest0-21swapper/123:15:561
18168991610,4cyclictest144650irq/27-eth021:44:251
1816899160,6cyclictest0-21swapper/122:05:511
1816899160,6cyclictest0-21swapper/100:35:011
1816799163,9cyclictest0-21swapper/020:15:140
1816799163,1cyclictest0-21swapper/021:35:460
1816799162,6cyclictest7840-21sshd22:32:580
18167991612,1cyclictest0-21swapper/000:16:540
1816799161,14cyclictest17882-21sshd23:18:570
18167991611,2cyclictest25553-21sshd23:59:320
1816799160,15cyclictest0-21swapper/021:54:010
1817099158,6cyclictest0-21swapper/323:53:013
1817099157,7cyclictest0-21swapper/322:00:473
1817099151,13cyclictest24373-21sshd22:57:293
18170991511,3cyclictest10950irq/23-ehci_hcd19:34:093
1817099150,9cyclictest0-21swapper/323:25:163
1817099150,4cyclictest3990-21sshd21:27:033
1817099150,3cyclictest32663-21sshd21:55:183
1817099150,3cyclictest0-21swapper/321:49:343
1817099150,14cyclictest0-21swapper/322:37:533
1817099150,14cyclictest0-21swapper/322:06:283
1817099150,13cyclictest23469-21munin-node22:50:123
1817099150,13cyclictest0-21swapper/320:50:123
1817099150,13cyclictest0-21swapper/300:04:543
1816999157,7cyclictest12813-21sshd22:25:262
1816999157,7cyclictest0-21swapper/223:39:312
1816999156,3cyclictest10950irq/23-ehci_hcd21:28:152
18169991512,2cyclictest717-21bash00:03:472
18169991512,2cyclictest5720-21sshd00:11:272
18169991512,2cyclictest10710-21sshd21:45:582
1816999151,13cyclictest2024-21nfsd20:36:212
18169991511,3cyclictest20187-21sshd00:05:452
1816999151,13cyclictest0-21swapper/220:26:092
1816999151,12cyclictest22736-21iostat_ios23:05:152
1816999150,13cyclictest0-21swapper/222:45:592
1816999150,13cyclictest0-21swapper/219:20:122
1816899157,3cyclictest144650irq/27-eth000:11:221
1816899157,3cyclictest10950irq/23-ehci_hcd19:40:541
1816899154,4cyclictest10950irq/23-ehci_hcd21:17:161
1816899150,13cyclictest2512-21runrttasks19:15:171
1816899150,13cyclictest0-21swapper/120:10:411
1816799157,5cyclictest0-21swapper/000:22:550
1816799157,3cyclictest0-21swapper/021:10:200
1816799157,2cyclictest1738-21sshd00:25:520
1816799151,6cyclictest0-21swapper/020:23:420
18167991513,1cyclictest0-21swapper/019:42:180
1816799151,1cyclictest20883-21sshd23:00:590
1816799151,13cyclictest9741-21sshd00:08:100
1816799151,13cyclictest0-21swapper/022:26:590
1816799151,13cyclictest0-21swapper/022:22:360
1816799151,13cyclictest0-21swapper/022:13:250
1816799151,13cyclictest0-21swapper/021:55:120
1816799151,13cyclictest0-21swapper/021:47:590
1816799151,13cyclictest0-21swapper/019:55:480
18167991510,1cyclictest0-21swapper/023:13:590
18167991510,1cyclictest0-21swapper/023:13:590
1816799150,1cyclictest0-21swapper/019:10:120
1816799150,14cyclictest0-21swapper/021:41:490
1816799150,14cyclictest0-21swapper/000:35:200
51022140,12sleep3144650irq/27-eth023:57:183
259802140,12sleep3144650irq/27-eth023:45:143
1817099148,2cyclictest0-21swapper/300:06:243
1817099147,6cyclictest0-21swapper/323:05:593
1817099143,10cyclictest10950irq/23-ehci_hcd20:29:553
1817099143,10cyclictest10950irq/23-ehci_hcd20:19:063
1817099140,3cyclictest15829-21sshd22:18:393
1817099140,13cyclictest0-21swapper/322:45:463
1817099140,12cyclictest32541-21grep23:20:223
1817099140,12cyclictest11841-21ntp_kernel_err21:10:203
1816999149,4cyclictest0-21swapper/200:29:252
1816999148,5cyclictest0-21swapper/222:23:472
1816999148,5cyclictest0-21swapper/219:44:232
1816999148,5cyclictest0-21swapper/219:25:132
1816999148,5cyclictest0-21swapper/200:20:182
1816999147,6cyclictest2132-21sshd23:30:032
1816999147,6cyclictest14312-21sshd00:34:362
1816999143,10cyclictest2132-21sshd21:16:082
1816999141,12cyclictest2024-21nfsd21:01:552
1816999141,12cyclictest0-21swapper/220:05:212
1816999141,12cyclictest0-21swapper/219:35:052
1816899148,5cyclictest0-21swapper/120:20:591
1816899147,5cyclictest15110-21sshd23:40:151
1816899141,11cyclictest0-21swapper/119:25:151
1816899140,13cyclictest0-21swapper/121:04:431
1816899140,13cyclictest0-21swapper/120:51:361
1816899140,13cyclictest0-21swapper/120:46:571
1816899140,13cyclictest0-21swapper/120:41:231
1816899140,13cyclictest0-21swapper/120:31:301
1816899140,13cyclictest0-21swapper/120:25:201
1816899140,13cyclictest0-21swapper/120:05:041
1816899140,13cyclictest0-21swapper/120:04:241
1816899140,13cyclictest0-21swapper/119:55:161
1816899140,13cyclictest0-21swapper/119:53:531
1816899140,13cyclictest0-21swapper/119:31:221
1816899140,12cyclictest6949-21sendmail_mailqu21:05:201
1816899140,12cyclictest4947-21sshd21:35:111
1816799148,5cyclictest0-21swapper/021:17:390
1816799148,5cyclictest0-21swapper/020:40:380
1816799148,5cyclictest0-21swapper/019:19:360
1816799144,9cyclictest0-21swapper/019:36:430
1816799141,9cyclictest0-21swapper/000:30:380
1816799141,8cyclictest0-21swapper/021:07:180
1816799141,1cyclictest0-21swapper/022:18:020
1816799141,1cyclictest0-21swapper/019:27:440
1816799141,12cyclictest0-21swapper/023:40:220
1816799141,12cyclictest0-21swapper/020:25:550
1816799140,5cyclictest0-21swapper/019:45:270
1816799140,13cyclictest0-21swapper/023:34:400
1816799140,13cyclictest0-21swapper/022:52:160
1816799140,13cyclictest0-21swapper/021:25:000
1816799140,13cyclictest0-21swapper/020:05:180
1817099132,10cyclictest144650irq/27-eth020:35:213
1817099132,0cyclictest25667-21hddtemp_smartct19:25:133
1817099130,5cyclictest144650irq/27-eth021:01:133
1817099130,5cyclictest0-21swapper/320:43:473
1817099130,12cyclictest19294-21sshd00:35:113
1817099130,12cyclictest1457-21cut22:10:133
1817099130,12cyclictest144650irq/27-eth019:15:013
1817099130,12cyclictest0-21swapper/321:05:223
1817099130,12cyclictest0-21swapper/320:56:163
1817099130,12cyclictest0-21swapper/320:46:443
1817099130,12cyclictest0-21swapper/320:20:543
1817099130,12cyclictest0-21swapper/320:12:593
1817099130,12cyclictest0-21swapper/320:05:593
1817099130,12cyclictest0-21swapper/320:03:383
1817099130,12cyclictest0-21swapper/319:51:313
1817099130,12cyclictest0-21swapper/319:44:283
1817099130,12cyclictest0-21swapper/319:35:463
1817099130,11cyclictest18503-21df_inode19:10:103
1816999138,4cyclictest27493-21sshd23:12:432
1816999138,4cyclictest27493-21sshd23:12:422
1816999138,4cyclictest0-21swapper/220:02:582
1816999138,4cyclictest0-21swapper/219:51:362
1816999131,4cyclictest2024-21nfsd19:46:592
1816999131,11cyclictest2409-21munin-node20:55:202
1816999131,11cyclictest18759-21ntp_states20:20:172
18169991311,1cyclictest0-21swapper/220:46:282
1816999130,12cyclictest0-21swapper/220:40:482
1816999130,12cyclictest0-21swapper/220:31:452
1816999130,12cyclictest0-21swapper/220:15:532
1816999130,12cyclictest0-21swapper/219:57:142
1816899138,4cyclictest0-21swapper/119:21:221
1816899137,5cyclictest0-21swapper/120:16:271
1816899135,3cyclictest0-21swapper/120:35:591
1816899130,12cyclictest0-21swapper/119:45:061
1816899130,11cyclictest30282-21munin-node19:35:131
1816799138,4cyclictest0-21swapper/019:20:130
1816799137,5cyclictest0-21swapper/020:46:360
1816799137,5cyclictest0-21swapper/020:10:120
1816799134,8cyclictest0-21swapper/019:50:480
1816799131,11cyclictest0-21swapper/020:51:290
1816799131,11cyclictest0-21swapper/019:30:020
1816799130,12cyclictest0-21swapper/020:00:430
1817099127,3cyclictest22221-21munin-node20:30:093
1817099120,3cyclictest6566-21df_inode19:55:123
1817099120,11cyclictest0-21swapper/319:45:013
1817099120,11cyclictest0-21swapper/319:20:073
1816999128,3cyclictest20718-21df19:15:112
1816999128,3cyclictest18449-21df19:10:102
1816999121,9cyclictest31498-21munin-node20:50:122
1816999120,3cyclictest27939-21hddtemp_smartct19:30:132
1816899120,3cyclictest1200-21munin-node20:55:121
1816799121,1cyclictest0-21swapper/020:35:290
1816799120,1cyclictest0-21swapper/020:58:570
1816799120,11cyclictest0-21swapper/021:00:280
1816799120,11cyclictest0-21swapper/020:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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