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2026-08-12 - 13:22
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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 376 highest latencies:
System rack3slot0.osadl.org (updated Wed Aug 12, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266422880,0sleep20-21swapper/222:16:302
227812680,0sleep30-21swapper/323:29:433
227812680,0sleep30-21swapper/323:29:433
19892650,0sleep01986-21sshd00:26:190
52222560,0sleep30-21swapper/321:57:573
276012540,2sleep2722799cyclictest21:11:112
31382510,0sleep00-21swapper/021:19:260
9242500,0sleep40-21swapper/423:38:014
84152500,0sleep3391rcuc/323:11:253
180442500,0sleep20-21swapper/222:37:122
130432500,0sleep0101ktimersoftd/023:52:150
321202490,0sleep20-21swapper/223:47:372
321202490,0sleep20-21swapper/223:47:372
197822490,1sleep61-21systemd22:48:546
197822490,1sleep61-21systemd22:48:546
132752490,0sleep30-21swapper/323:07:493
25192480,1sleep52521-21grep00:32:095
25982470,0sleep40-21swapper/423:59:244
224742460,0sleep522467-21sshd21:22:275
143892460,2sleep5723599cyclictest00:03:575
13042460,0sleep40-21swapper/422:16:564
235512450,1sleep723554-21grep21:34:067
658924423,17sleep50-21swapper/519:01:115
34712440,0sleep33466-21sshd23:18:543
306662440,0sleep557-21ksoftirqd/521:07:055
225882440,2sleep1722699cyclictest21:36:011
191242440,0sleep1721-21dbus-daemon00:00:251
133042440,0sleep40-21swapper/422:23:294
12282440,0sleep70-21swapper/722:22:447
703524324,15sleep60-21swapper/619:05:446
252082430,0sleep60-21swapper/622:01:046
220482430,1sleep125-21ksoftirqd/123:39:191
124482430,0sleep10-21swapper/121:54:351
102702430,1sleep310267-21grep21:52:283
189492420,0sleep50-21swapper/521:35:495
162992420,0sleep00-21swapper/023:21:320
130082420,0sleep20-21swapper/223:07:482
687624129,8sleep00-21swapper/019:03:300
325102410,0sleep30-21swapper/300:33:593
120562410,0sleep00-21swapper/023:31:010
681224027,9sleep30-21swapper/319:02:373
62122400,0sleep26210-21sshd22:03:492
293962400,0sleep50-21swapper/521:49:505
272392400,1sleep00-21swapper/023:12:350
269092400,0sleep20-21swapper/221:43:542
120402400,0sleep412037-21sshd22:07:594
680223928,8sleep20-21swapper/219:02:282
680123928,8sleep10-21swapper/119:02:271
670523927,8sleep70-21swapper/719:01:137
51282390,0sleep60-21swapper/622:13:226
298052390,0sleep70-21swapper/722:28:207
294192390,0sleep50-21swapper/521:57:275
214772390,0sleep30-21swapper/320:26:043
142942390,0sleep20-21swapper/223:44:402
140702390,0sleep50-21swapper/522:56:145
681323827,8sleep40-21swapper/419:02:384
269312370,0sleep10-21swapper/121:26:311
280062360,1sleep128007-21grepconf.sh21:06:531
7228992415,1cyclictest131rcu_sched00:26:313
256872240,0sleep725679-21sshd23:53:027
722899229,2cyclictest41-21ksoftirqd/300:23:093
311552220,0sleep50-21swapper/521:55:435
722899219,1cyclictest131rcu_sched23:02:123
7228992118,1cyclictest41-21ksoftirqd/322:22:173
722699219,2cyclictest25-21ksoftirqd/123:09:161
724099200,19cyclictest17166-21kworker/6:421:37:056
7228992018,1cyclictest41-21ksoftirqd/323:51:473
7228992016,1cyclictest41-21ksoftirqd/321:31:433
722699208,2cyclictest25-21ksoftirqd/100:15:271
722699207,3cyclictest25-21ksoftirqd/123:19:561
7226992012,3cyclictest25-21ksoftirqd/100:21:491
7226992010,3cyclictest25-21ksoftirqd/122:59:521
7244991917,1cyclictest73-21ksoftirqd/722:51:027
7244991917,1cyclictest73-21ksoftirqd/722:51:027
722899198,1cyclictest41-21ksoftirqd/321:17:503
7228991918,1cyclictest41-21ksoftirqd/322:05:313
7228991916,3cyclictest41-21ksoftirqd/323:23:003
7228991915,1cyclictest41-21ksoftirqd/322:56:373
722899190,3cyclictest41-21ksoftirqd/300:01:103
722699198,3cyclictest25-21ksoftirqd/122:50:211
722699198,3cyclictest25-21ksoftirqd/122:50:211
722699198,2cyclictest25-21ksoftirqd/121:48:531
7226991911,4cyclictest25-21ksoftirqd/122:51:511
7226991911,4cyclictest25-21ksoftirqd/122:51:511
722699191,3cyclictest0-21swapper/122:28:421
722699190,1cyclictest0-21swapper/122:41:491
7244991816,1cyclictest73-21ksoftirqd/700:01:077
7235991811,6cyclictest16702-21sshd23:27:235
7235991811,6cyclictest16702-21sshd23:27:235
722899184,1cyclictest41-21ksoftirqd/323:58:323
7228991816,1cyclictest41-21ksoftirqd/322:19:303
7228991815,2cyclictest41-21ksoftirqd/322:35:493
7228991814,4cyclictest15-21kswork23:48:523
7228991814,4cyclictest15-21kswork23:48:523
7228991813,4cyclictest41-21ksoftirqd/300:10:453
722699189,3cyclictest25-21ksoftirqd/122:09:181
722699189,1cyclictest25-21ksoftirqd/122:33:221
722699188,3cyclictest25-21ksoftirqd/123:29:301
722699188,3cyclictest25-21ksoftirqd/123:29:301
722699188,3cyclictest25-21ksoftirqd/100:34:551
722699187,2cyclictest25-21ksoftirqd/100:27:521
7226991813,3cyclictest25-21ksoftirqd/122:24:111
7226991812,4cyclictest25-21ksoftirqd/121:22:201
7226991810,3cyclictest25-21ksoftirqd/121:19:351
722699181,2cyclictest0-21swapper/121:31:461
7244991715,1cyclictest73-21ksoftirqd/722:13:267
7244991715,1cyclictest73-21ksoftirqd/721:27:467
7240991715,1cyclictest65-21ksoftirqd/623:20:476
7240991715,1cyclictest65-21ksoftirqd/600:30:576
7240991714,3cyclictest65-21ksoftirqd/623:02:556
7240991714,2cyclictest65-21ksoftirqd/600:17:546
7240991714,1cyclictest65-21ksoftirqd/621:21:136
7240991713,3cyclictest65-21ksoftirqd/622:36:536
7240991711,3cyclictest65-21ksoftirqd/621:06:296
722899176,1cyclictest41-21ksoftirqd/322:28:253
722899175,1cyclictest131rcu_sched21:21:013
7228991716,1cyclictest41-21ksoftirqd/322:06:133
7228991716,1cyclictest41-21ksoftirqd/300:12:273
7228991715,1cyclictest41-21ksoftirqd/323:33:423
7228991715,1cyclictest41-21ksoftirqd/322:48:103
7228991715,1cyclictest41-21ksoftirqd/322:48:103
7228991715,1cyclictest41-21ksoftirqd/321:39:433
7228991714,3cyclictest41-21ksoftirqd/300:18:283
7228991714,1cyclictest41-21ksoftirqd/323:39:313
7228991714,1cyclictest41-21ksoftirqd/322:43:353
7228991713,3cyclictest41-21ksoftirqd/321:09:253
722699179,3cyclictest25-21ksoftirqd/122:36:041
722699177,3cyclictest25-21ksoftirqd/122:02:351
7226991715,1cyclictest25-21ksoftirqd/100:02:301
7226991712,3cyclictest25-21ksoftirqd/123:51:031
7226991712,3cyclictest25-21ksoftirqd/100:06:091
7226991711,3cyclictest25-21ksoftirqd/123:15:231
722699171,2cyclictest0-21swapper/100:17:201
722699171,1cyclictest0-21swapper/122:12:351
722699170,1cyclictest0-21swapper/121:55:591
245032170,0sleep20-21swapper/221:59:082
82332160,0sleep6641ktimersoftd/621:42:466
7244991614,2cyclictest73-21ksoftirqd/721:10:197
7244991614,1cyclictest73-21ksoftirqd/722:47:007
7244991614,1cyclictest73-21ksoftirqd/722:47:007
7244991614,1cyclictest73-21ksoftirqd/721:47:437
7244991614,1cyclictest73-21ksoftirqd/700:11:067
7244991613,2cyclictest73-21ksoftirqd/723:00:377
724499160,2cyclictest73-21ksoftirqd/700:16:537
7240991615,1cyclictest65-21ksoftirqd/623:56:336
7240991615,1cyclictest65-21ksoftirqd/600:29:426
7240991615,1cyclictest65-21ksoftirqd/600:06:346
7240991615,1cyclictest65-21ksoftirqd/600:05:126
7240991614,2cyclictest65-21ksoftirqd/621:59:496
7240991614,1cyclictest65-21ksoftirqd/622:53:346
7240991614,1cyclictest65-21ksoftirqd/622:53:346
7240991614,1cyclictest65-21ksoftirqd/621:53:536
7240991614,1cyclictest65-21ksoftirqd/621:48:596
7240991614,1cyclictest65-21ksoftirqd/621:31:116
7240991614,1cyclictest65-21ksoftirqd/621:26:086
7240991613,1cyclictest65-21ksoftirqd/622:32:186
7240991612,3cyclictest65-21ksoftirqd/623:30:296
7240991612,3cyclictest65-21ksoftirqd/623:30:296
7240991612,1cyclictest65-21ksoftirqd/623:07:246
7240991612,1cyclictest65-21ksoftirqd/623:00:326
7240991610,1cyclictest65-21ksoftirqd/623:35:136
722899164,1cyclictest41-21ksoftirqd/323:42:043
722899163,1cyclictest41-21ksoftirqd/321:41:033
7228991614,1cyclictest41-21ksoftirqd/322:52:003
7228991614,1cyclictest41-21ksoftirqd/322:52:003
7228991614,1cyclictest41-21ksoftirqd/322:36:013
7228991614,1cyclictest41-21ksoftirqd/322:11:353
7228991614,1cyclictest41-21ksoftirqd/321:29:303
722899160,16cyclictest17473-21kworker/3:221:10:563
7227991614,1cyclictest33-21ksoftirqd/223:17:282
722699167,3cyclictest25-21ksoftirqd/122:16:081
722699167,3cyclictest25-21ksoftirqd/121:11:051
722699166,2cyclictest25-21ksoftirqd/123:46:561
722699166,2cyclictest25-21ksoftirqd/123:46:561
722699166,2cyclictest25-21ksoftirqd/123:44:381
722699166,1cyclictest25-21ksoftirqd/123:23:071
7226991614,1cyclictest25-21ksoftirqd/123:30:551
38012160,0sleep70-21swapper/723:36:127
130722160,0sleep20-21swapper/223:15:412
87392150,1sleep4723099cyclictest22:11:364
724499158,4cyclictest73-21ksoftirqd/722:39:377
7244991514,1cyclictest73-21ksoftirqd/723:10:557
7244991514,1cyclictest73-21ksoftirqd/700:30:577
7244991513,1cyclictest73-21ksoftirqd/723:50:497
7244991513,1cyclictest73-21ksoftirqd/723:50:497
7244991513,1cyclictest73-21ksoftirqd/723:09:227
7244991513,1cyclictest73-21ksoftirqd/722:02:047
7244991513,1cyclictest73-21ksoftirqd/700:09:517
7244991512,2cyclictest73-21ksoftirqd/723:56:497
7244991512,1cyclictest73-21ksoftirqd/723:26:017
7244991512,1cyclictest73-21ksoftirqd/723:26:017
724499151,2cyclictest131rcu_sched22:40:517
7240991514,1cyclictest65-21ksoftirqd/623:41:276
7240991514,1cyclictest65-21ksoftirqd/621:13:176
7240991513,1cyclictest65-21ksoftirqd/622:44:016
7240991513,1cyclictest65-21ksoftirqd/622:25:546
7240991513,1cyclictest65-21ksoftirqd/622:16:086
7240991513,1cyclictest65-21ksoftirqd/621:17:056
7240991513,1cyclictest65-21ksoftirqd/600:25:496
7240991512,1cyclictest65-21ksoftirqd/622:23:506
7240991511,3cyclictest65-21ksoftirqd/600:14:016
724099150,14cyclictest9099-21perf20:05:496
724099150,1cyclictest121rcu_preempt23:25:426
722899151,3cyclictest41-21ksoftirqd/321:46:213
722799150,14cyclictest28159-21kworker/2:022:05:582
7226991510,3cyclictest25-21ksoftirqd/123:01:171
7226991510,1cyclictest25-21ksoftirqd/121:41:021
199782150,0sleep40-21swapper/421:08:404
7244991412,1cyclictest73-21ksoftirqd/723:44:147
7244991412,1cyclictest73-21ksoftirqd/723:24:537
7244991412,1cyclictest73-21ksoftirqd/721:58:327
724499141,1cyclictest121rcu_preempt21:14:377
724499140,1cyclictest0-21swapper/700:24:397
7240991413,1cyclictest65-21ksoftirqd/623:54:486
7240991412,2cyclictest65-21ksoftirqd/622:06:166
7240991412,1cyclictest65-21ksoftirqd/623:46:046
7240991412,1cyclictest65-21ksoftirqd/623:46:046
7240991412,1cyclictest65-21ksoftirqd/623:37:466
7240991412,1cyclictest65-21ksoftirqd/623:10:566
237122140,0sleep00-21swapper/021:49:290
724499137,2cyclictest73-21ksoftirqd/723:31:297
7244991312,1cyclictest73-21ksoftirqd/721:22:467
7244991311,1cyclictest73-21ksoftirqd/723:16:067
7244991311,1cyclictest73-21ksoftirqd/721:17:597
7244991311,1cyclictest73-21ksoftirqd/700:29:527
724499131,1cyclictest131rcu_sched21:55:387
724499130,13cyclictest15359-21kworker/7:221:44:167
724499130,0cyclictest121rcu_preempt22:31:077
7228991311,1cyclictest41-21ksoftirqd/321:05:493
7227991312,1cyclictest33-21ksoftirqd/200:14:262
7227991312,1cyclictest15-21kswork21:09:502
722699135,1cyclictest25-21ksoftirqd/120:06:071
722599132,6cyclictest730-21NetworkManager23:28:060
722599132,6cyclictest730-21NetworkManager23:28:060
722599132,5cyclictest18884-21bash00:21:330
7225991311,1cyclictest9-21ksoftirqd/000:11:190
324912130,0sleep70-21swapper/723:01:127
27372130,0sleep20-21swapper/223:51:372
12272130,0sleep50-21swapper/523:38:025
93972120,0sleep00-21swapper/023:01:450
7244991211,1cyclictest73-21ksoftirqd/722:18:227
7244991210,1cyclictest73-21ksoftirqd/722:08:357
7244991210,1cyclictest73-21ksoftirqd/721:36:077
7235991211,1cyclictest57-21ksoftirqd/523:58:545
723599121,5cyclictest32305-21bash23:32:095
723599120,11cyclictest9408-21sshd00:21:035
723599120,1cyclictest0-21swapper/522:45:025
723599120,1cyclictest0-21swapper/522:12:055
723099122,4cyclictest709-21systemd-logind21:51:404
723099122,4cyclictest23468-21sshd00:21:494
723099122,4cyclictest21944-21bash21:37:494
723099122,4cyclictest11038-21bash23:32:504
723099121,5cyclictest20632-21users22:41:104
7228991211,1cyclictest41-21ksoftirqd/319:46:053
7228991211,1cyclictest41-21ksoftirqd/319:45:503
7228991211,1cyclictest41-21ksoftirqd/319:07:563
722799122,4cyclictest2142-21bash21:51:582
7227991210,1cyclictest33-21ksoftirqd/222:44:242
7227991210,1cyclictest33-21ksoftirqd/222:11:022
7227991210,1cyclictest33-21ksoftirqd/221:47:112
7227991210,1cyclictest33-21ksoftirqd/221:39:282
7227991210,1cyclictest33-21ksoftirqd/200:34:212
7227991210,1cyclictest33-21ksoftirqd/200:26:022
722699127,3cyclictest25-21ksoftirqd/120:56:121
722699124,1cyclictest25-21ksoftirqd/120:12:111
722699124,1cyclictest25-21ksoftirqd/120:12:111
722699121,0cyclictest0-21swapper/120:36:051
722599122,4cyclictest0-21swapper/021:30:240
722599120,11cyclictest27945-21bash00:00:560
192172120,1sleep019210-21bash22:56:330
161292120,0sleep60-21swapper/620:16:066
723599119,1cyclictest57-21ksoftirqd/521:26:085
723599118,2cyclictest15509-21sshd23:21:295
7235991110,1cyclictest57-21ksoftirqd/523:06:425
723599111,4cyclictest3486-21sshd23:53:405
723599110,5cyclictest14171-21grepconf.sh21:18:075
723599110,11cyclictest0-21swapper/523:18:285
723599110,10cyclictest27332-21sshd23:47:195
723599110,10cyclictest27332-21sshd23:47:195
723599110,10cyclictest14402-21grep22:21:335
723599110,1cyclictest0-21swapper/522:32:545
723599110,1cyclictest0-21swapper/522:10:125
723099119,1cyclictest49-21ksoftirqd/423:18:324
723099112,4cyclictest9310-21sshd00:28:454
723099112,4cyclictest6855-21sshd21:11:534
723099112,4cyclictest3850-21sshd21:27:064
723099112,4cyclictest20636-21sshd00:17:494
723099112,4cyclictest12336-21sshd22:50:254
723099112,4cyclictest12336-21sshd22:50:254
723099112,4cyclictest0-21swapper/400:31:514
723099112,3cyclictest11473-21sshd00:07:364
723099111,4cyclictest859-21gdbus22:30:114
723099111,4cyclictest23279-21sshd23:04:374
723099111,4cyclictest19324-21sshd23:12:054
722899119,1cyclictest41-21ksoftirqd/320:35:493
722799119,1cyclictest33-21ksoftirqd/222:26:392
722799119,1cyclictest0-21swapper/200:07:282
722799117,2cyclictest33-21ksoftirqd/221:27:052
7227991110,1cyclictest33-21ksoftirqd/222:21:062
7227991110,1cyclictest15-21kswork23:27:322
7227991110,1cyclictest15-21kswork23:27:322
722799110,10cyclictest11055-21kworker/2:022:55:392
722799110,10cyclictest11055-21kworker/2:022:55:392
722799110,1cyclictest0-21swapper/223:22:412
722699114,1cyclictest25-21ksoftirqd/121:04:431
722699114,1cyclictest25-21ksoftirqd/120:54:461
722699114,1cyclictest25-21ksoftirqd/120:41:561
722699114,1cyclictest25-21ksoftirqd/120:25:501
722699114,1cyclictest25-21ksoftirqd/119:57:221
722699114,1cyclictest25-21ksoftirqd/119:28:411
722699114,1cyclictest25-21ksoftirqd/119:20:061
722699113,1cyclictest25-21ksoftirqd/120:05:491
7226991110,1cyclictest25-21ksoftirqd/119:51:091
7226991110,1cyclictest25-21ksoftirqd/119:36:021
722599119,1cyclictest9-21ksoftirqd/023:42:230
722599119,1cyclictest9-21ksoftirqd/022:39:000
722599119,1cyclictest9-21ksoftirqd/021:12:340
722599119,1cyclictest9-21ksoftirqd/000:31:050
722599116,4cyclictest17892-21latency_hist20:20:500
722599114,4cyclictest857-21polkitd21:54:570
722599114,4cyclictest31165-21sshd22:22:350
722599114,2cyclictest3287-21bash22:19:030
722599113,5cyclictest20062-21sshd22:50:530
722599113,5cyclictest20062-21sshd22:50:530
722599111,4cyclictest5485-21sshd22:48:010
722599111,4cyclictest5485-21sshd22:48:010
722599111,4cyclictest4869-21bash00:16:510
722599111,4cyclictest0-21swapper/023:08:030
722599110,10cyclictest0-21swapper/021:36:310
722599110,1cyclictest0-21swapper/023:19:570
722599110,1cyclictest0-21swapper/021:58:260
290172110,0sleep2758-21runrttasks21:17:032
260602110,0sleep40-21swapper/423:08:384
724099109,1cyclictest65-21ksoftirqd/620:56:096
723599103,6cyclictest28632-21systemd-cgroups21:42:025
723599103,6cyclictest25866-21sshd23:12:295
723599102,7cyclictest9193-21grep22:52:055
723599102,7cyclictest9193-21grep22:52:055
723599102,2cyclictest12019-21bash21:12:135
723599101,4cyclictest28375-21sshd00:08:395
723599101,4cyclictest0-21swapper/500:11:025
723599100,4cyclictest26672-21sshd22:28:095
723599100,4cyclictest26470-21sshd00:16:115
723099109,1cyclictest49-21ksoftirqd/423:53:274
723099108,1cyclictest49-21ksoftirqd/421:32:294
723099108,1cyclictest49-21ksoftirqd/421:20:584
723099105,3cyclictest14783-21kworker/4:223:23:294
723099103,6cyclictest5374-21sshd21:42:364
723099103,6cyclictest5093-21sshd21:46:234
723099103,6cyclictest31603-21sshd22:51:284
723099103,6cyclictest31603-21sshd22:51:284
723099101,4cyclictest14382-21sshd23:50:294
723099101,4cyclictest14382-21sshd23:50:294
723099101,4cyclictest13952-21sshd22:02:184
723099101,4cyclictest0-21swapper/422:36:374
723099100,5cyclictest14801-21cp21:56:334
723099100,4cyclictest26874-21sshd00:14:224
723099100,4cyclictest20392-21grepconf.sh00:04:204
723099100,10cyclictest0-21swapper/423:30:064
723099100,10cyclictest0-21swapper/423:30:064
722799109,1cyclictest33-21ksoftirqd/223:38:382
722799109,1cyclictest33-21ksoftirqd/223:35:382
722799109,1cyclictest33-21ksoftirqd/221:24:362
722799108,1cyclictest33-21ksoftirqd/222:58:052
722799108,1cyclictest33-21ksoftirqd/200:22:452
722799108,1cyclictest33-21ksoftirqd/200:02:122
722799102,5cyclictest23127-21grep00:16:032
722799100,10cyclictest0-21swapper/223:57:132
722799100,10cyclictest0-21swapper/222:31:272
722699109,1cyclictest25-21ksoftirqd/120:31:091
722699105,3cyclictest25-21ksoftirqd/120:16:031
722699105,3cyclictest25-21ksoftirqd/119:11:111
722699103,2cyclictest25-21ksoftirqd/120:24:591
722699100,1cyclictest0-21swapper/119:41:011
722599109,1cyclictest9-21ksoftirqd/022:02:200
722599108,1cyclictest9-21ksoftirqd/022:34:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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