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2026-04-17 - 10:08
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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 Fri Apr 17, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3012221250,2sleep30-21swapper/322:16:463
198121230,3sleep3371499cyclictest00:31:473
172421220,2sleep2371399cyclictest22:03:312
911021200,2sleep30-21swapper/322:42:593
190021200,0sleep11884-21sshd23:19:471
331329333,48sleep10-21swapper/119:08:141
281572930,2sleep30-21swapper/322:02:513
86712900,3sleep3371499cyclictest21:25:333
125092900,0sleep00-21swapper/021:18:490
188022890,1sleep20-21swapper/221:12:362
137442890,1sleep30-21swapper/321:33:023
320528633,49sleep30-21swapper/319:06:513
305662850,2sleep20-21swapper/223:52:392
60182830,2sleep36009-21sshd22:31:383
135862820,3sleep10-21swapper/121:50:551
14572810,3sleep0371199cyclictest21:35:110
197812800,2sleep30-21swapper/323:44:223
83622790,1sleep10-21swapper/123:32:101
51372790,3sleep1371299cyclictest21:42:421
184882790,3sleep0371199cyclictest00:06:270
232612780,2sleep30-21swapper/321:41:083
207322780,2sleep10-21swapper/119:45:181
207912770,3sleep220788-21sshd21:23:112
54922760,1sleep15489-21sshd23:39:121
109422760,2sleep20-21swapper/223:05:312
34542750,2sleep20-21swapper/221:56:452
180352720,3sleep20-21swapper/222:47:422
180352720,3sleep20-21swapper/222:47:422
61362710,4sleep0371199cyclictest00:28:260
53042660,2sleep10-21swapper/121:11:081
102842660,0sleep00-21swapper/023:43:190
307932650,2sleep130792-21sshd23:49:041
103012650,3sleep1371299cyclictest22:00:531
292172630,2sleep30-21swapper/321:59:353
344826233,11sleep20-21swapper/219:09:552
232212610,0sleep00-21swapper/022:55:420
253282600,4sleep30-21swapper/323:26:223
267042540,1sleep30-21swapper/322:06:043
334125230,19sleep00-21swapper/019:08:320
315222430,3sleep10-21swapper/123:52:451
190942380,4sleep30-21swapper/321:15:593
248402360,1sleep024836-21sshd21:23:410
282522340,4sleep10-21swapper/122:56:231
65312320,6sleep20-21swapper/200:05:132
41422300,28sleep3144650irq/27-eth000:01:263
236652290,2sleep223666-21sshd23:10:592
198142290,2sleep119813-21sshd22:12:161
287952270,2sleep20-21swapper/223:22:462
280122270,3sleep1371299cyclictest23:56:231
43952260,4sleep2371399cyclictest21:53:292
115332260,5sleep30-21swapper/323:50:243
85822250,1sleep10-21swapper/100:20:231
108712250,3sleep10-21swapper/121:46:421
371299230,22cyclictest144650irq/27-eth022:08:401
3711992320,2cyclictest25008-21sshd22:52:000
309852230,0sleep30-21swapper/322:10:053
94322220,2sleep30-21swapper/321:46:323
61092220,20sleep3144650irq/27-eth022:57:473
227822220,2sleep322781-21sshd00:14:323
212382220,2sleep321236-21sshd22:29:533
131922220,2sleep10-21swapper/100:16:581
34242210,2sleep23423-21bash23:49:382
7872200,2sleep10-21swapper/122:24:051
238892200,1sleep20-21swapper/223:44:492
204692200,18sleep3144650irq/27-eth023:59:413
371399192,16cyclictest36-21rcuop/221:35:482
3712991913,4cyclictest10792-21diskstats21:15:131
28472191,16sleep2144650irq/27-eth000:04:542
164682190,1sleep216467-21sshd21:15:412
123192190,9sleep03-21ksoftirqd/000:39:570
371499185,9cyclictest144650irq/27-eth023:05:173
371399186,11cyclictest153250irq/28-eth1-rx-23:32:452
3713991813,4cyclictest9385-21sshd22:35:532
371399180,13cyclictest31651-21sshd22:13:332
371199180,14cyclictest0-21swapper/023:25:040
242082180,0sleep324193-21sshd23:37:243
149282180,4sleep20-21swapper/200:36:382
84492170,2sleep18450-21bash21:35:491
371499170,15cyclictest0-21swapper/322:36:063
371399176,6cyclictest8913-21sshd21:29:092
371399175,11cyclictest8271-21sshd00:16:212
371399174,12cyclictest153250irq/28-eth1-rx-23:36:522
371399174,11cyclictest20228-21bash22:40:272
371399173,9cyclictest0-21swapper/222:23:052
371399172,4cyclictest0-21swapper/223:01:062
3713991713,3cyclictest18162-21sshd22:15:262
371399171,10cyclictest4586-21sshd22:53:312
371299170,4cyclictest10143-21munin-node22:25:201
371299170,15cyclictest0-21swapper/123:29:241
371299170,12cyclictest9607-21sshd23:05:231
3711991714,3cyclictest9085-21kworker/0:020:13:550
371199170,15cyclictest11950-21bash21:29:290
270492170,15sleep1144650irq/27-eth000:07:341
223272170,2sleep10-21swapper/122:19:291
371499160,2cyclictest32247-21cp00:23:313
371499160,14cyclictest0-21swapper/323:23:043
371499160,14cyclictest0-21swapper/321:51:063
371399168,7cyclictest0-21swapper/222:27:252
371399167,5cyclictest23116-21sshd23:55:432
371399165,6cyclictest0-21swapper/222:31:072
371399163,12cyclictest153250irq/28-eth1-rx-23:25:412
371399161,9cyclictest2132-21sshd00:24:332
3713991612,3cyclictest28950irq/26-ahci[00022:05:192
3713991612,3cyclictest28483-21sshd00:31:072
371299168,6cyclictest7877-21sshd21:32:241
371299167,4cyclictest0-21swapper/122:46:331
371299167,4cyclictest0-21swapper/122:46:321
3712991610,4cyclictest958-21sshd21:28:181
371299160,15cyclictest2024-21nfsd00:02:201
371299160,14cyclictest26533-21sshd21:55:431
371299160,14cyclictest24581-21tr22:30:121
371199166,9cyclictest22159-21kworker/0:021:54:430
371199165,10cyclictest9085-21kworker/0:020:28:270
371199160,15cyclictest0-21swapper/000:17:520
371199160,12cyclictest23446-21ls21:55:240
270122160,1sleep027008-21sshd21:41:330
176542160,3sleep10-21swapper/100:25:371
371499158,3cyclictest31705-21sshd00:38:313
371499157,7cyclictest0-21swapper/323:13:013
371499151,3cyclictest144650irq/27-eth022:20:053
371499150,6cyclictest144650irq/27-eth019:55:193
371499150,14cyclictest26580-21grep21:20:153
371499150,13cyclictest9097-21sshd22:50:153
371499150,13cyclictest28625-21sshd00:15:093
371499150,13cyclictest0-21swapper/319:50:153
371499150,13cyclictest0-21swapper/319:30:133
371499150,11cyclictest2023-21nfsd23:46:513
371399156,8cyclictest3710-21cyclictest00:29:052
371399152,9cyclictest33-21ksoftirqd/221:30:172
371399152,12cyclictest0-21swapper/223:15:022
371399151,13cyclictest0-21swapper/220:17:372
371399151,12cyclictest28872-21fschecks_time21:45:132
371399150,13cyclictest27449-21sshd00:11:262
371399150,10cyclictest0-21swapper/222:56:462
371299159,1cyclictest11028-21sshd00:32:471
371299157,4cyclictest5347-21sshd23:42:471
371299157,4cyclictest19479-21sshd00:10:331
3712991511,3cyclictest0-21swapper/122:41:111
371299150,6cyclictest23068-21sshd23:10:551
371299150,6cyclictest0-21swapper/122:35:081
371299150,3cyclictest11340-21sshd23:24:431
371299150,14cyclictest0-21swapper/121:05:551
371299150,13cyclictest0-21swapper/119:50:161
371299150,11cyclictest7948-21bash00:35:511
371299150,11cyclictest144650irq/27-eth021:20:181
371199159,2cyclictest0-21swapper/021:48:090
371199157,4cyclictest0-21swapper/022:35:440
371199156,8cyclictest22720-21kworker/0:022:27:500
371199153,1cyclictest0-21swapper/023:14:190
3711991511,3cyclictest21571-21kworker/0:000:03:130
371199150,8cyclictest0-21swapper/022:11:100
371199150,4cyclictest16326-21sshd23:36:270
371199150,1cyclictest0-21swapper/023:23:040
371199150,14cyclictest0-21swapper/023:16:430
371499149,4cyclictest9193-21bash00:09:273
371499146,6cyclictest27899-21sshd21:10:123
3714991412,1cyclictest0-21swapper/320:02:373
371499140,5cyclictest0-21swapper/320:33:223
371499140,5cyclictest0-21swapper/300:25:553
371499140,13cyclictest0-21swapper/323:00:533
371499140,13cyclictest0-21swapper/319:25:193
371499140,12cyclictest1719-21sshd21:35:133
371499140,12cyclictest1562-21grep20:15:133
371499140,11cyclictest12272-21sshd23:17:243
371499140,10cyclictest0-21swapper/323:32:253
371399148,5cyclictest0-21swapper/220:09:302
371399145,7cyclictest29017-21sshd21:41:462
371399142,10cyclictest27184-21iostat20:00:142
3713991412,1cyclictest0-21swapper/220:30:122
371399141,11cyclictest8594-21diskstats19:20:122
371399141,11cyclictest19374-21diskstats20:55:122
371399141,11cyclictest19374-21diskstats20:55:112
371299141,11cyclictest8952-21cp22:50:141
371299140,13cyclictest0-21swapper/120:40:571
371299140,13cyclictest0-21swapper/120:00:231
371299140,12cyclictest2088-21snmpd20:19:481
371299140,10cyclictest32247-21sshd23:00:551
371199149,1cyclictest21561-21sshd22:05:290
371199142,9cyclictest10390-21sshd21:11:420
371199141,2cyclictest17893-21sed22:15:250
371199140,3cyclictest11885-21sshd23:02:140
371199140,1cyclictest0-21swapper/023:57:050
371199140,12cyclictest0-21swapper/023:45:520
371199140,10cyclictest23304-21sshd23:06:550
302522140,7sleep0371199cyclictest22:41:350
371499139,3cyclictest144650irq/27-eth020:25:203
371499137,5cyclictest0-21swapper/320:10:143
371499132,3cyclictest144650irq/27-eth019:20:233
3714991311,1cyclictest0-21swapper/321:00:243
3714991311,1cyclictest0-21swapper/320:53:563
371499130,12cyclictest0-21swapper/322:45:153
371499130,12cyclictest0-21swapper/322:45:143
371499130,12cyclictest0-21swapper/320:47:413
371499130,12cyclictest0-21swapper/320:41:303
371499130,12cyclictest0-21swapper/320:36:563
371499130,12cyclictest0-21swapper/320:05:283
371499130,12cyclictest0-21swapper/319:46:423
371499130,12cyclictest0-21swapper/319:41:523
371499130,12cyclictest0-21swapper/319:38:553
371499130,11cyclictest4135-21needreboot20:20:163
371399139,3cyclictest144650irq/27-eth021:06:072
371399138,4cyclictest2024-21nfsd19:56:572
371399134,8cyclictest0-21swapper/220:50:082
371399132,10cyclictest0-21swapper/219:15:132
371399131,3cyclictest23689-21taskset19:52:052
371399131,10cyclictest4489-21iostat_ios19:10:142
371399130,12cyclictest25-21rcuop/119:25:192
371399130,12cyclictest0-21swapper/220:45:152
371399130,12cyclictest0-21swapper/220:39:532
371399130,12cyclictest0-21swapper/220:20:022
371399130,12cyclictest0-21swapper/219:42:212
371399130,12cyclictest0-21swapper/219:35:572
371399130,12cyclictest0-21swapper/219:34:422
371299139,3cyclictest144650irq/27-eth021:04:021
371299131,9cyclictest0-21swapper/119:16:261
371299130,4cyclictest30978-21munin-node20:10:151
371299130,4cyclictest14505-21munin-node20:45:111
371299130,2cyclictest24483-21diskstats19:55:121
371299130,2cyclictest0-21swapper/119:25:481
371299130,12cyclictest0-21swapper/120:56:211
371299130,12cyclictest0-21swapper/120:56:201
371299130,12cyclictest0-21swapper/120:30:001
371299130,12cyclictest0-21swapper/119:38:171
371299130,12cyclictest0-21swapper/119:30:231
371299130,12cyclictest0-21swapper/119:20:241
371299130,11cyclictest3484-21diskstats20:20:121
371199139,1cyclictest10072-21sshd23:50:170
371199131,4cyclictest0-21swapper/021:34:430
3711991311,1cyclictest8463-21sshd00:32:300
3711991311,1cyclictest25439-21sshd22:45:070
3711991311,1cyclictest25439-21sshd22:45:070
371199130,1cyclictest15166-21sshd22:22:060
371199130,12cyclictest0-21swapper/023:30:010
371199130,12cyclictest0-21swapper/020:55:240
371199130,12cyclictest0-21swapper/020:55:240
371199130,12cyclictest0-21swapper/020:50:540
371199130,12cyclictest0-21swapper/020:45:290
371199130,12cyclictest0-21swapper/020:05:160
371199130,12cyclictest0-21swapper/020:00:470
371199130,12cyclictest0-21swapper/019:59:190
371199130,12cyclictest0-21swapper/019:15:380
371199130,12cyclictest0-21swapper/000:21:030
371199130,10cyclictest0-21swapper/022:32:170
371199130,10cyclictest0-21swapper/019:20:160
3714991210,1cyclictest0-21swapper/319:15:073
371499120,3cyclictest24281-21hddtemp_smartct21:05:143
371399124,4cyclictest144650irq/27-eth020:10:152
371399120,3cyclictest21588-21df21:00:092
371399120,3cyclictest12906-21munin-node20:40:142
371399120,11cyclictest0-21swapper/219:46:082
371399120,10cyclictest2100-21snmpd20:25:032
3712991210,1cyclictest0-21swapper/120:35:121
371299120,3cyclictest17688-21munin-node19:40:121
371299120,11cyclictest5017-21smart_sda19:10:191
371299120,11cyclictest0-21swapper/120:50:011
371299120,10cyclictest28974-21df20:05:101
371299120,10cyclictest0-21swapper/120:25:181
371199128,3cyclictest0-21swapper/022:00:030
371199128,2cyclictest0-21swapper/020:30:080
371199127,4cyclictest9367-21sshd00:13:030
371199123,8cyclictest9085-21kworker/0:019:40:460
3711991210,1cyclictest0-21swapper/019:26:110
3711991210,1cyclictest0-21swapper/019:11:170
371199120,2cyclictest0-21swapper/021:01:170
371199120,2cyclictest0-21swapper/020:15:410
371199120,2cyclictest0-21swapper/019:50:240
371199120,1cyclictest0-21swapper/020:36:080
371199120,1cyclictest0-21swapper/020:20:140
371199120,11cyclictest0-21swapper/021:07:220
371199120,11cyclictest0-21swapper/019:35:290
371499110,3cyclictest19808-21iostat_ios20:55:153
371499110,3cyclictest19808-21iostat_ios20:55:153
371499110,10cyclictest4054-21diskstats19:10:113
371199117,3cyclictest9085-21kworker/0:020:40:020
371199117,3cyclictest9085-21kworker/0:019:45:400
371199110,1cyclictest0-21swapper/019:30:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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