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2026-09-03 - 00:52
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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 highest latencies:
System rack5slot0.osadl.org (updated Wed Sep 02, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2267721550,1sleep028462-21kworker/0:110:55:140
510421360,1sleep02878399cyclictest12:03:470
2146121330,2sleep221458-21sshd09:18:532
1079221260,1sleep210772-21sshd09:41:022
983721100,3sleep22879299cyclictest11:11:472
28233210033,55sleep10-21swapper/107:06:201
2021721000,1sleep00-21swapper/010:19:540
2850829833,61sleep30-21swapper/307:09:333
82282930,2sleep10-21swapper/110:15:401
47022920,1sleep02024-21nfsd12:12:290
47022920,1sleep02024-21nfsd12:12:290
104752910,3sleep10-21swapper/112:21:511
219112900,3sleep30-21swapper/311:33:203
99782890,3sleep20-21swapper/212:18:522
318162890,3sleep131811-21cp11:19:481
243302890,2sleep324315-21sshd09:33:343
209642890,2sleep22024-21nfsd12:22:492
66712880,2sleep10-21swapper/109:43:451
49562880,1sleep04951-21bash11:28:560
263182880,6sleep10-21swapper/110:58:241
237012870,0sleep00-21swapper/011:21:550
48882850,3sleep14887-21bash12:35:501
261772850,1sleep326180-21id12:14:283
261772850,1sleep326180-21id12:14:283
172862850,3sleep1211ktimersoftd/111:59:071
101662850,3sleep30-21swapper/310:54:083
261822840,4sleep22879299cyclictest11:04:252
244292840,1sleep024428-21bash09:22:000
239032840,1sleep00-21swapper/009:19:070
309822820,3sleep230978-21sshd09:45:512
173482820,1sleep20-21swapper/210:25:212
173482820,1sleep20-21swapper/210:25:212
146162820,2sleep314614-21sshd10:16:173
41712810,0sleep00-21swapper/010:21:160
311882810,0sleep00-21swapper/009:13:540
40712790,1sleep10-21swapper/112:30:051
215802790,4sleep30-21swapper/309:47:553
199262790,1sleep03-21ksoftirqd/009:35:540
173512790,2sleep217349-21sshd11:30:072
150932780,3sleep20-21swapper/209:32:442
299082770,2sleep2321ktimersoftd/209:57:242
106892760,5sleep30-21swapper/311:09:043
33672740,1sleep03362-21bash09:34:350
150682740,4sleep32879699cyclictest09:24:033
146042720,1sleep20-21swapper/211:52:592
88272710,5sleep12878799cyclictest10:01:201
125772690,0sleep00-21swapper/010:54:220
134962680,3sleep32879699cyclictest09:26:433
274392670,1sleep10-21swapper/111:33:501
15962670,1sleep02878399cyclictest10:12:170
214952660,1sleep10-21swapper/109:24:381
237892620,4sleep22879299cyclictest12:14:162
237892620,4sleep22879299cyclictest12:14:152
165612620,1sleep216548-21sshd10:16:292
2830925632,12sleep20-21swapper/207:07:162
2838524832,13sleep00-21swapper/007:08:100
60482440,3sleep22024-21nfsd12:39:012
92292391,36sleep1144650irq/27-eth011:23:331
154712380,0sleep115472-21sshd12:04:481
202242360,33sleep1144650irq/27-eth010:11:031
67042290,6sleep30-21swapper/309:17:303
290092290,27sleep3144650irq/27-eth012:32:173
85612280,2sleep32023-21nfsd10:42:113
215322270,1sleep121520-21sshd11:10:011
54022260,4sleep25397-21sshd09:11:372
247382250,2sleep10-21swapper/111:53:541
43822240,2sleep34379-21sshd11:23:063
3552241,21sleep3144650irq/27-eth010:00:363
314942240,22sleep3144650irq/27-eth011:10:493
308472240,22sleep1144650irq/27-eth011:01:451
284782240,1sleep00-21swapper/009:48:330
153692240,1sleep015364-21sshd11:15:220
67832230,21sleep228950irq/26-ahci[00010:36:132
327492230,2sleep02024-21nfsd10:09:210
2878799231,15cyclictest0-21swapper/111:09:041
280232230,2sleep10-21swapper/111:42:321
200812230,0sleep3431ktimersoftd/309:10:083
140562230,0sleep014050-21cp12:25:080
52762220,20sleep3144650irq/27-eth012:09:443
303872220,2sleep30-21swapper/310:47:073
257972220,19sleep2144650irq/27-eth010:46:432
129232220,19sleep2144650irq/27-eth010:51:242
2879299213,10cyclictest21407-21sshd10:43:232
2878799218,4cyclictest0-21swapper/110:34:031
2878799211,14cyclictest1025-21sshd09:16:591
274782210,19sleep3144650irq/27-eth012:00:033
120422210,19sleep2144650irq/27-eth011:41:022
43382200,2sleep20-21swapper/212:09:382
2879699200,5cyclictest9237-21bash10:59:513
2879299205,5cyclictest153250irq/28-eth1-rx-11:08:092
2879299201,10cyclictest0-21swapper/210:21:442
2878799208,8cyclictest0-21swapper/109:34:291
2878799207,5cyclictest5365-21sshd09:58:091
2878799201,10cyclictest0-21swapper/111:49:141
57002190,2sleep35698-21sshd11:26:033
2879699199,8cyclictest0-21swapper/310:21:423
2879299197,5cyclictest2691-21sshd09:20:092
2879299191,16cyclictest0-21swapper/210:12:202
2878799199,4cyclictest144650irq/27-eth010:47:101
2878799190,4cyclictest4253-21sshd12:12:261
2878799190,4cyclictest4253-21sshd12:12:261
2878799190,14cyclictest0-21swapper/110:06:531
2878799190,12cyclictest30145-21sshd09:28:171
2878799190,10cyclictest0-21swapper/110:52:341
132622190,3sleep12878799cyclictest11:26:451
295732180,2sleep30-21swapper/311:54:203
2879699181,11cyclictest6147-21sshd10:27:163
2879699181,11cyclictest6147-21sshd10:27:163
2879299186,9cyclictest23365-21sshd11:24:492
2879299185,12cyclictest21216-21sshd11:47:412
2879299180,4cyclictest31137-21kernelversion12:00:172
2878799188,3cyclictest25212-21sshd09:51:011
2878799186,6cyclictest13949-21sshd10:39:471
2878799185,7cyclictest23579-21sshd09:10:211
2878799185,4cyclictest11365-21sensors_temp07:40:211
2878799182,0cyclictest0-21swapper/111:37:461
2878799181,10cyclictest0-21swapper/112:15:531
2878799180,11cyclictest11840-21sshd09:47:041
2878399180,14cyclictest7606-21sshd11:14:430
285862180,0sleep00-21swapper/011:01:310
190892180,16sleep3144650irq/27-eth010:10:573
160912180,0sleep00-21swapper/009:53:090
125282180,2sleep30-21swapper/311:03:063
2879699174,1cyclictest28867-21sshd11:36:493
2879699171,11cyclictest0-21swapper/309:39:323
2879699170,12cyclictest26664-21sshd12:23:203
2879699170,12cyclictest12601-21bash11:18:033
2879299176,5cyclictest26009-21sshd10:05:412
2879299176,5cyclictest0-21swapper/209:51:092
2879299175,8cyclictest2512-21runrttasks07:46:442
2879299174,12cyclictest153250irq/28-eth1-rx-10:00:132
2879299173,13cyclictest153250irq/28-eth1-rx-09:35:582
2879299171,9cyclictest28550-21sshd09:28:092
2879299171,14cyclictest0-21swapper/212:30:132
2879299170,13cyclictest0-21swapper/211:29:062
28787991713,3cyclictest0-21swapper/110:43:151
2878799171,10cyclictest1266-21sshd12:06:241
2878399170,15cyclictest25239-21sshd11:56:520
193602170,15sleep3144650irq/27-eth010:37:233
2879699169,1cyclictest26740-21sshd09:54:103
2879699168,3cyclictest0-21swapper/312:15:593
2879699168,3cyclictest0-21swapper/309:56:053
2879699162,1cyclictest29986-21sshd12:35:143
2879699162,12cyclictest6508-21bash11:40:303
2879699160,4cyclictest18446-21sshd09:10:003
2879699160,3cyclictest29058-21sshd11:45:253
2879699160,14cyclictest2132-21sshd11:56:163
2879699160,14cyclictest2078-21nscd10:33:553
2879699160,14cyclictest0-21swapper/312:25:123
2879699160,14cyclictest0-21swapper/309:44:193
2879299164,10cyclictest15360-21sshd11:38:322
2879299162,12cyclictest2555-21sshd12:26:542
28792991613,2cyclictest9071-21awk11:55:192
2879299161,14cyclictest0-21swapper/211:19:052
28792991610,5cyclictest0-21swapper/210:31:152
28792991610,4cyclictest2024-21nfsd10:55:092
2878799166,3cyclictest9003-21cp12:27:301
2878799161,8cyclictest25075-21sshd10:20:181
2878799160,9cyclictest22043-21sshd10:25:461
2878799160,9cyclictest22043-21sshd10:25:451
2878799160,10cyclictest9045-21cp09:35:031
2878399160,9cyclictest30662-21sshd10:35:250
2878399160,5cyclictest0-21swapper/011:31:110
2878399160,15cyclictest0-21swapper/012:31:590
100342160,2sleep310033-21bash10:07:123
28796991513,1cyclictest0-21swapper/308:15:173
2879299156,6cyclictest14374-21diskstats09:00:132
2878799151,13cyclictest0-21swapper/107:24:201
2878799150,13cyclictest2512-21runrttasks08:38:161
2878799150,13cyclictest20632sleep108:30:451
2878399158,6cyclictest0-21swapper/009:29:330
2878399157,4cyclictest0-21swapper/010:25:450
2878399157,4cyclictest0-21swapper/010:25:450
2878399157,3cyclictest0-21swapper/011:42:410
2878399157,3cyclictest0-21swapper/009:40:480
2878399155,4cyclictest0-21swapper/011:54:520
28783991511,3cyclictest30684-21kworker/0:108:12:050
2878399150,3cyclictest0-21swapper/010:30:100
2878399150,1cyclictest0-21swapper/011:49:120
2878399150,12cyclictest2567-21sshd12:21:080
2878399150,11cyclictest0-21swapper/010:00:020
2879699140,3cyclictest144650irq/27-eth007:36:143
2879699140,10cyclictest144650irq/27-eth007:30:033
2879299148,5cyclictest2024-21nfsd07:35:392
2879299148,4cyclictest6191-21munin-node08:40:192
2879299142,11cyclictest144650irq/27-eth008:30:272
2879299142,11cyclictest144650irq/27-eth008:15:232
2879299141,11cyclictest0-21swapper/208:50:122
2878799147,5cyclictest19149-21munin-node08:00:141
2878799144,3cyclictest5313-21grep07:29:591
2878799140,13cyclictest0-21swapper/107:19:591
2878399149,1cyclictest0-21swapper/008:35:120
2878399146,3cyclictest0-21swapper/009:59:360
2878399143,10cyclictest0-21swapper/011:38:190
28783991412,1cyclictest19659-21bash10:40:130
28783991412,1cyclictest0-21swapper/008:46:340
2878399140,3cyclictest0-21swapper/012:09:360
2878399140,1cyclictest144650irq/27-eth012:15:260
2878399140,1cyclictest0-21swapper/011:09:170
2878399140,1cyclictest0-21swapper/007:51:250
2878399140,13cyclictest11839-21bash10:45:240
2879699139,3cyclictest144650irq/27-eth008:00:113
2879699139,3cyclictest144650irq/27-eth007:27:143
2879699137,5cyclictest0-21swapper/307:43:543
2879699131,11cyclictest144650irq/27-eth008:05:333
2879699130,12cyclictest0-21swapper/308:44:343
2879699130,12cyclictest0-21swapper/308:38:293
2879699130,12cyclictest0-21swapper/308:22:423
2879699130,12cyclictest0-21swapper/307:57:303
2879699130,11cyclictest7560-21diskstats08:45:123
2879699130,11cyclictest15686-21users09:00:243
2879699130,11cyclictest10264-21iostat_ios08:50:143
2879299137,5cyclictest0-21swapper/209:09:192
2879299135,7cyclictest18165-21sensors_temp07:55:212
2879299131,6cyclictest0-21swapper/207:40:202
2879299131,3cyclictest0-21swapper/208:00:142
2879299130,4cyclictest8405-21pmu-power08:45:192
2879299130,4cyclictest2512-21runrttasks07:14:402
2879299130,4cyclictest2088-21snmpd08:21:402
2879299130,12cyclictest0-21swapper/207:50:032
2879299130,12cyclictest0-21swapper/207:30:092
2879299130,12cyclictest0-21swapper/207:25:032
2879299130,12cyclictest0-21swapper/207:21:372
2879299130,12cyclictest0-21swapper/207:15:492
2879299130,11cyclictest30622-21wget08:25:132
2878799139,3cyclictest144650irq/27-eth009:05:321
2878799132,10cyclictest144650irq/27-eth007:56:501
2878799132,10cyclictest144650irq/27-eth007:46:311
2878799131,11cyclictest144650irq/27-eth007:31:471
2878799130,12cyclictest0-21swapper/109:00:221
2878799130,12cyclictest0-21swapper/108:58:141
2878799130,12cyclictest0-21swapper/108:46:231
2878799130,11cyclictest23715-21munin-node08:10:111
2878799130,11cyclictest21756-21diskstats08:05:131
2878799130,11cyclictest10644-21ntp_states08:50:191
2878399134,8cyclictest7220-21kworker/0:009:02:510
28783991311,1cyclictest0-21swapper/007:47:340
2878399130,5cyclictest27037-21cp12:35:020
2878399130,12cyclictest0-21swapper/008:43:470
2878399130,12cyclictest0-21swapper/008:32:060
237022130,2sleep30-21swapper/308:10:123
2879699127,4cyclictest2512-21runrttasks07:16:463
2879699120,4cyclictest144650irq/27-eth008:30:113
2879699120,4cyclictest0-21swapper/308:25:273
2879699120,3cyclictest0-21swapper/307:20:163
2879699120,11cyclictest29085-21df07:10:113
2879699120,11cyclictest144650irq/27-eth007:45:203
2879699120,11cyclictest12529-21iostat08:55:163
2879699120,11cyclictest0-21swapper/307:51:063
2879299128,3cyclictest24436-21munin-node08:10:142
2879299120,3cyclictest12101-21diskstats08:55:132
2879299120,11cyclictest3419-21if_err_eth008:35:162
2879299120,10cyclictest22210-21munin-node08:05:162
2878799128,3cyclictest28511-21df08:20:111
2878799121,10cyclictest144650irq/27-eth008:25:011
2878799120,3cyclictest5726-21iostat_ios08:40:151
2878799120,3cyclictest29136-21df_inode07:10:121
2878799120,11cyclictest0-21swapper/107:50:261
2878799120,10cyclictest26238-21df08:15:121
2878399129,1cyclictest0-21swapper/008:51:110
2878399128,3cyclictest0-21swapper/008:55:050
2878399128,3cyclictest0-21swapper/007:30:020
2878399128,3cyclictest0-21swapper/007:21:200
2878399121,8cyclictest144650irq/27-eth009:09:170
2878399121,10cyclictest0-21swapper/008:05:080
28783991210,1cyclictest0-21swapper/007:59:540
2878399120,9cyclictest0-21swapper/007:10:120
2878399120,1cyclictest0-21swapper/008:22:580
2878399120,11cyclictest0-21swapper/008:18:360
2878399120,11cyclictest0-21swapper/007:35:130
2878399120,11cyclictest0-21swapper/007:25:100
2878399120,11cyclictest0-21swapper/007:15:200
2878399120,10cyclictest0-21swapper/008:00:410
2878799110,10cyclictest0-21swapper/107:35:121
2878399110,2cyclictest0-21swapper/007:40:540
2878399110,10cyclictest0-21swapper/008:25:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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