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2026-05-20 - 11:40
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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 rackcslot0.osadl.org (updated Wed May 20, 2026 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2459021500,6sleep112156699cyclictest22:20:333
205952137102,30sleep80-21swapper/819:08:3014
206172133103,26sleep120-21swapper/1219:08:504
2986121320,2sleep14130-21ksoftirqd/1400:10:156
205902131113,14sleep30-21swapper/319:08:259
2805021300,0sleep30-21swapper/300:09:489
206292130104,21sleep60-21swapper/619:09:0012
20663212692,29sleep10-21swapper/119:09:281
1064721240,1sleep20-21swapper/222:06:298
704721190,2sleep127031-21sshd23:28:464
2232621140,2sleep51041-21dbus-daemon21:58:1511
162321110,0sleep120-21swapper/1222:05:354
2426821080,1sleep80-21swapper/822:42:4214
2426821080,1sleep80-21swapper/822:42:4214
20743210892,11sleep70-21swapper/719:10:3813
20691210792,9sleep110-21swapper/1119:09:543
2033921050,1sleep100-21swapper/1000:41:452
1603021050,1sleep60-21swapper/621:26:4212
617821030,6sleep152157399cyclictest22:18:447
663321020,5sleep82156199cyclictest23:09:4314
20600210290,8sleep130-21swapper/1319:08:355
282082980,1sleep70-21swapper/721:31:0013
99282960,1sleep70-21swapper/719:37:2113
4332950,0sleep100-21swapper/1023:12:252
296322940,2sleep029613-21sshd21:46:240
253652940,0sleep60-21swapper/621:21:0512
246122940,8sleep42155499cyclictest23:50:0210
302722930,1sleep20-21swapper/222:30:508
256102930,1sleep100-21swapper/1022:27:132
174232930,2sleep317413-21sshd23:29:579
26292920,2sleep22625-21bash21:52:518
154782910,1sleep80-21swapper/800:29:0914
314862900,7sleep12155099cyclictest22:40:101
314862900,7sleep12155099cyclictest22:40:101
12432900,1sleep60-21swapper/623:41:1412
88562890,1sleep140-21swapper/1400:32:436
326652890,0sleep40-21swapper/421:15:5810
234472890,2sleep723446-21bash22:17:3213
2090028971,11sleep20-21swapper/219:12:098
327122880,0sleep130-21swapper/1321:40:285
229422880,0sleep10-21swapper/121:42:401
153442880,1sleep100-21swapper/1022:35:302
153442880,1sleep100-21swapper/1022:35:302
1968928778,3sleep100-21swapper/1019:07:442
60142860,2sleep100-21swapper/1021:19:172
283302860,0sleep10-21swapper/123:12:001
2068328672,4sleep40-21swapper/419:09:4710
2059628659,22sleep90-21swapper/919:08:3115
10112860,1sleep130-21swapper/1323:22:065
82612850,1sleep00-21swapper/021:41:190
79472850,1sleep110-21swapper/1121:22:303
178312850,2sleep617833-2110-uname23:30:0012
146902850,1sleep10-21swapper/122:29:121
160872840,0sleep30-21swapper/321:57:419
31882830,5sleep32155399cyclictest23:09:219
2078628375,4sleep150-21swapper/1519:11:187
2070228375,4sleep50-21swapper/519:10:0411
2063828372,6sleep140-21swapper/1419:09:086
2060428274,4sleep00-21swapper/019:08:380
12552820,7sleep92156299cyclictest23:50:5515
205362810,0sleep20-21swapper/221:33:038
19662800,1sleep120-21swapper/1223:25:174
143072800,1sleep00-21swapper/000:04:560
269142780,0sleep130-21swapper/1323:05:315
155312780,6sleep122156799cyclictest23:58:274
154162770,0sleep90-21swapper/922:51:3215
154162770,0sleep90-21swapper/922:51:3215
205412760,0sleep110-21swapper/1122:39:003
205412760,0sleep110-21swapper/1122:39:003
119342740,0sleep00-21swapper/021:32:290
103042610,2sleep80-21swapper/823:03:4914
197792480,7sleep72156099cyclictest00:08:3213
174782480,1sleep50-21swapper/522:16:5811
97822440,1sleep10-21swapper/100:28:141
21573994411,30cyclictest7718-21sshd22:47:427
21573994411,30cyclictest7718-21sshd22:47:427
2157399440,41cyclictest2370-21snmpd22:14:597
2157399431,39cyclictest7647-21systemd22:31:497
2157399429,30cyclictest12846-21sshd21:35:257
21573994215,24cyclictest0-21swapper/1521:32:187
21573994211,29cyclictest0-21swapper/1521:49:127
21573994210,29cyclictest8435-21sh23:00:417
294572410,2sleep110-21swapper/1121:52:283
21573994110,28cyclictest0-21swapper/1523:51:137
2157399410,39cyclictest0-21swapper/1500:03:497
2157399409,28cyclictest1-21systemd23:57:497
2157399408,29cyclictest30309-21sshd00:15:267
21573994014,24cyclictest0-21swapper/1523:04:057
2157399401,36cyclictest7678-21sshd23:25:537
21573994011,26cyclictest2395-21sshd23:20:217
2157399400,37cyclictest0-21swapper/1522:57:157
2157399400,37cyclictest0-21swapper/1522:57:157
2157399399,2cyclictest0-21swapper/1522:00:287
2157399397,3cyclictest6765-21sh23:41:517
2157399396,3cyclictest8411-21sshd00:40:337
2157399390,9cyclictest25960-21sshd23:08:247
21554993929,3cyclictest1057-21gdbus22:31:5810
237202380,2sleep60-21swapper/623:24:0712
2157399389,27cyclictest14982-21sshd00:33:427
2157399388,27cyclictest9404-21env22:34:557
2157399388,27cyclictest9404-21env22:34:557
2157399387,3cyclictest1-21systemd21:54:327
2157399385,4cyclictest29834-21ystemctl21:12:427
2157399385,4cyclictest1054-21in:imuxsock00:24:057
2157399385,3cyclictest951-17auditd22:44:457
2157399385,3cyclictest951-17auditd22:44:457
2157399383,4cyclictest517-21systemd-journal23:32:587
21573993812,24cyclictest16167-21run-parts21:23:057
2157399381,10cyclictest6445-21systemd00:07:257
21573993810,26cyclictest30180-21systemd21:18:307
2157399380,8cyclictest0-21swapper/1520:02:217
2157399380,8cyclictest0-21swapper/1520:02:217
2157399380,35cyclictest26053-21sshd23:43:307
21554993830,6cyclictest1270-21gdbus22:53:1110
21554993830,6cyclictest1270-21gdbus22:53:1110
261182370,1sleep10-21swapper/122:55:411
261182370,1sleep10-21swapper/122:55:411
2157399376,3cyclictest476-21jbd2/md124p1-800:27:297
2157399376,3cyclictest1681-21cpu22:02:337
2157399375,3cyclictest1062-21polkitd22:37:547
2157399375,3cyclictest1062-21polkitd22:37:547
2157399374,4cyclictest15941-21sshd00:21:057
2157399371,13cyclictest1-21systemd22:25:557
21554993731,4cyclictest24096-21systemd-cgroups00:21:5410
21554993731,4cyclictest1041-21dbus-daemon23:01:3010
2157399369,24cyclictest0-21swapper/1521:02:417
2157399366,4cyclictest1041-21dbus-daemon23:28:127
2157399366,3cyclictest14082-21sshd21:38:267
2157399365,3cyclictest32153-21gdbus22:08:377
2157399365,3cyclictest1041-21dbus-daemon23:53:047
21554993631,3cyclictest0-21swapper/422:36:5310
21554993631,3cyclictest0-21swapper/422:36:5310
2157399356,3cyclictest21994-21cpu19:12:357
2157399354,4cyclictest27812-21gdbus23:15:337
2157399350,32cyclictest0-21swapper/1519:47:327
21554993529,4cyclictest28119-21sshd22:17:4910
21554993529,4cyclictest1057-21gdbus21:58:1010
50672340,0sleep130-21swapper/1300:32:265
2157399340,31cyclictest23761-21sshd21:42:427
21554993429,3cyclictest0-21swapper/422:46:0210
21554993429,3cyclictest0-21swapper/422:46:0210
21554993428,4cyclictest1041-21dbus-daemon21:33:4010
21554993428,3cyclictest0-21swapper/422:50:4210
21554993428,3cyclictest0-21swapper/422:50:4210
21554993425,6cyclictest32153-21gdbus23:05:0110
189742341,30sleep51041-21dbus-daemon23:55:4111
171792340,1sleep150-21swapper/1520:22:417
306152330,1sleep20-21swapper/221:49:228
21554993330,2cyclictest0-21swapper/423:38:4910
21554993327,4cyclictest32153-21gdbus00:14:1210
21554993327,4cyclictest32151-21packagekitd23:11:1110
21554993327,4cyclictest1041-21dbus-daemon21:31:4410
21554993327,4cyclictest0-21swapper/422:08:2610
21554993327,4cyclictest0-21swapper/421:49:0410
21554993326,5cyclictest0-21swapper/423:35:0110
212302330,1sleep110-21swapper/1122:26:423
152612330,30sleep10-21swapper/100:21:011
102962330,1sleep90-21swapper/923:13:1215
44182320,1sleep50-21swapper/521:25:2111
314412320,0sleep70-21swapper/723:05:5713
249592320,1sleep60-21swapper/622:39:2712
249592320,1sleep60-21swapper/622:39:2712
21554993227,3cyclictest1059-21systemd-logind21:38:2110
21554993227,3cyclictest1041-21dbus-daemon23:18:2610
21554993227,3cyclictest1041-21dbus-daemon22:03:0410
21554993227,3cyclictest0-21swapper/423:44:5710
21554993225,4cyclictest1041-21dbus-daemon23:16:3510
54322310,2sleep10-21swapper/100:40:171
325832310,0sleep10-21swapper/122:37:141
325832310,0sleep10-21swapper/122:37:141
236732310,3sleep1227756-21cups-browsed22:27:004
225692310,3sleep722757-21systemd22:49:0713
225692310,3sleep722757-21systemd22:49:0713
2157399315,3cyclictest25939-21switchtime20:32:497
2157399311,4cyclictest0-21swapper/1519:22:317
21554993126,3cyclictest1041-21dbus-daemon22:23:2310
21554993125,4cyclictest1056-21rs:main10
21554993124,4cyclictest6815-21systemd00:07:2710
21554993123,2cyclictest0-21swapper/400:37:2810
298112300,2sleep110-21swapper/1100:36:103
2157399305,3cyclictest23299-21cstates19:52:347
21562993010,1cyclictest0-21swapper/922:02:3315
21554993025,3cyclictest1-21systemd21:53:4510
21554993025,3cyclictest1041-21dbus-daemon22:13:4810
21554993025,3cyclictest0-21swapper/400:23:3710
21554993024,4cyclictest1041-21dbus-daemon23:29:1810
21554993018,6cyclictest49-21ksoftirqd/423:55:4210
14622300,1sleep40-21swapper/400:32:0110
327632290,1sleep60-21swapper/622:08:2612
2157399293,4cyclictest5055-21cut20:07:427
2157399293,4cyclictest5055-21cut20:07:427
21554992925,2cyclictest0-21swapper/423:24:2810
21554992924,3cyclictest0-21swapper/400:07:0510
21554992923,4cyclictest0-21swapper/422:37:4210
21554992923,4cyclictest0-21swapper/422:37:4210
208072290,2sleep100-21swapper/1023:30:212
327512280,2sleep9470-21sshd23:22:0315
315462280,0sleep60-21swapper/622:43:2812
315462280,0sleep60-21swapper/622:43:2812
300392280,1sleep50-21swapper/522:46:5511
300392280,1sleep50-21swapper/522:46:5511
285982280,24sleep20-21swapper/222:55:598
285982280,24sleep20-21swapper/222:55:598
251532280,3sleep125241-21sshd00:25:501
2157399284,3cyclictest32285-21expr20:42:337
177202280,2sleep50-21swapper/521:32:5111
136212280,2sleep110-21swapper/1123:01:133
135802280,1sleep90-21swapper/922:13:1715
295822270,3sleep9517-21systemd-journal23:34:2115
278702270,1sleep80-21swapper/823:43:4214
269352270,1sleep10-21swapper/122:01:561
2157399278,17cyclictest2374-21runrttasks20:20:257
2157399276,3cyclictest17139-21timerwakeupswit19:42:497
2156899275,19cyclictest32153-21gdbus22:41:375
2156899275,19cyclictest32153-21gdbus22:41:375
2156499270,24cyclictest15343-21systemd22:03:402
206762270,0sleep0111ktimersoftd/022:58:200
182752270,0sleep80-21swapper/822:22:5414
161632270,0sleep100-21swapper/1022:19:442
142172270,22sleep50-21swapper/522:54:2611
142172270,22sleep50-21swapper/522:54:2611
9082260,2sleep10-21swapper/121:40:331
271752260,1sleep100-21swapper/1023:11:542
233412260,6sleep02154999cyclictest00:14:180
2157399265,3cyclictest11051-21sed19:37:357
2157399261,3cyclictest0-21swapper/1520:41:417
21562992616,5cyclictest131rcu_preempt23:56:5515
21554992622,3cyclictest0-21swapper/421:43:0610
156022260,1sleep130-21swapper/1323:55:165
148482260,2sleep1214850-21sh21:42:034
141982260,3sleep71059-21systemd-logind00:17:3913
99282250,1sleep100-21swapper/1020:52:492
35002250,22sleep00-21swapper/023:47:500
296552250,2sleep729654-21sshd23:37:3013
283602250,3sleep528502-21systemd23:05:4011
223102251,21sleep121041-21dbus-daemon23:11:244
218552250,1sleep90-21swapper/921:33:1115
2157399256,2cyclictest21742-21python20:27:447
21573992511,12cyclictest0-21swapper/1520:47:487
2156899254,19cyclictest6748-21sshd22:57:075
2156899254,19cyclictest6748-21sshd22:57:075
2156899250,3cyclictest517-21systemd-journal00:38:025
200512250,0sleep90-21swapper/921:51:3815
183942250,0sleep100-21swapper/1023:52:322
157682250,2sleep40-21swapper/421:26:4110
91392240,22sleep130-21swapper/1319:33:115
82882240,0sleep90-21swapper/921:13:3915
8052240,0sleep10-21swapper/122:18:141
64072240,1sleep30-21swapper/322:15:539
303952241,18sleep110-21swapper/1121:34:013
274232240,0sleep60-21swapper/621:43:0112
216442240,22sleep30-21swapper/319:50:249
2157399246,3cyclictest2374-21runrttasks19:34:507
2157399244,3cyclictest30446-21latency_hist20:02:207
2157399244,3cyclictest30446-21latency_hist20:02:207
2156299249,5cyclictest141rcu_sched22:52:3415
2156299249,5cyclictest141rcu_sched22:52:3415
21562992412,5cyclictest131rcu_preempt21:38:3615
2155499243,19cyclictest49-21ksoftirqd/421:18:0510
208492240,1sleep50-21swapper/523:01:5511
20622240,0sleep00-21swapper/022:27:510
60272230,2sleep527756-21cups-browsed23:28:3911
280812230,1sleep110-21swapper/1123:59:463
279542230,2sleep70-21swapper/723:50:2113
224872230,1sleep20-21swapper/220:28:388
2157399231,4cyclictest0-21swapper/1519:29:447
2157399230,6cyclictest7382-21tr20:12:347
2157399230,6cyclictest7382-21tr20:12:347
2157199231,3cyclictest1041-21dbus-daemon22:55:026
2157199231,3cyclictest1041-21dbus-daemon22:55:026
2157199231,19cyclictest30801-21sshd22:37:026
2157199231,19cyclictest30801-21sshd22:37:026
2156899234,17cyclictest1-21systemd23:16:115
2156899234,16cyclictest0-21swapper/1322:09:375
2156899232,19cyclictest1059-21systemd-logind21:32:435
2156899230,20cyclictest0-21swapper/1321:02:315
21562992317,5cyclictest891ktimersoftd/922:43:1415
21562992317,5cyclictest891ktimersoftd/922:43:1415
21562992316,5cyclictest891ktimersoftd/922:20:1515
2155699231,3cyclictest4458-21sshd21:28:4111
2155699231,20cyclictest21337-21systemd00:05:4311
21554992317,4cyclictest11393-21systemd-cgroups23:58:0210
16522230,2sleep232153-21gdbus21:18:548
161572230,1sleep10-21swapper/123:55:211
141632230,0sleep90-21swapper/921:26:2915
111252230,1sleep140-21swapper/1423:03:556
42362220,19sleep74369-21sshd21:50:0013
282302220,2sleep90-21swapper/922:07:5715
268492225,13sleep30-21swapper/300:26:089
260582220,0sleep130-21swapper/1323:43:305
2157399225,3cyclictest14643-21sed20:57:497
2157399221,8cyclictest2370-21snmpd21:11:187
2157199222,18cyclictest27812-21gdbus00:02:546
21571992218,2cyclictest968-21ModemManager22:48:166
21571992218,2cyclictest968-21ModemManager22:48:166
2157199221,2cyclictest0-21swapper/1423:18:156
2157199221,19cyclictest27812-21gdbus23:54:156
2157199221,18cyclictest1059-21systemd-logind22:30:146
2157199221,18cyclictest1041-21dbus-daemon23:39:056
2157199220,19cyclictest23109-21sshd23:11:286
2156899223,17cyclictest0-21swapper/1322:06:355
21568992215,4cyclictest14721-21systemd23:39:105
21568992213,6cyclictest17624-21sh22:29:325
2156899220,2cyclictest0-21swapper/1300:29:415
2156899220,20cyclictest0-21swapper/1300:17:555
21567992217,3cyclictest0-21swapper/1221:22:444
2156299229,7cyclictest90-21ksoftirqd/922:58:5015
2156299228,8cyclictest90-21ksoftirqd/922:40:2215
2156299228,8cyclictest90-21ksoftirqd/922:40:2215
2156299228,8cyclictest131rcu_preempt22:32:4515
2156299228,8cyclictest131rcu_preempt22:32:4515
2156299226,5cyclictest0-21swapper/923:24:3815
2156299225,5cyclictest0-21swapper/900:20:4815
21562992217,3cyclictest891ktimersoftd/923:37:4015
21562992213,5cyclictest131rcu_preempt00:34:5915
21562992213,3cyclictest0-21swapper/900:01:5715
2156299220,15cyclictest90-21ksoftirqd/923:46:2815
21560992217,3cyclictest2395-21sshd23:28:1013
21560992215,4cyclictest27389-21sshd21:33:4213
2155699220,19cyclictest6910-21sshd22:50:4311
2155699220,19cyclictest6910-21sshd22:50:4311
21553992217,3cyclictest22456-21sshd21:15:019
2155099221,19cyclictest0-21swapper/122:47:321
2155099221,19cyclictest0-21swapper/122:47:321
141912220,1sleep130-21swapper/1321:54:065
140812220,18sleep30-21swapper/323:48:589
61682210,1sleep70-21swapper/720:10:1613
61682210,1sleep70-21swapper/720:10:1613
6002210,17sleep10-21swapper/123:06:081
50472210,19sleep110-21swapper/1119:28:053
41992210,1sleep110-21swapper/1100:27:353
3532210,0sleep50-21swapper/500:39:4811
30242210,18sleep120-21swapper/1221:13:114
245972210,1sleep80-21swapper/821:42:4814
217532210,0sleep20-21swapper/200:08:438
21571992115,4cyclictest31239-21wc22:02:216
21571992115,3cyclictest1060-21avahi-daemon23:13:556
2157199211,3cyclictest0-21swapper/1422:57:386
2157199211,18cyclictest0-21swapper/1423:24:426
2157199211,17cyclictest12378-21systemd-cgroups21:44:426
2157199210,2cyclictest0-21swapper/1400:14:096
2157199210,19cyclictest28664-21sshd21:18:226
2157199210,18cyclictest22615-21sshd21:51:536
2156899213,16cyclictest0-21swapper/1322:25:215
21568992115,4cyclictest20755-2110-uname00:13:545
2156799211,3cyclictest7196-21sshd22:31:464
2156799211,17cyclictest0-21swapper/1223:42:204
21566992115,4cyclictest18561-21sshd22:13:503
21564992115,4cyclictest22048-2110-uname23:17:452
21564992115,4cyclictest15911-21sshd23:32:592
2156299219,6cyclictest90-21ksoftirqd/921:20:0015
2156299217,6cyclictest90-21ksoftirqd/900:03:4515
2156299215,7cyclictest90-21ksoftirqd/922:01:4015
21562992117,2cyclictest97550irq/39-eth0-TxR23:27:2115
21562992114,4cyclictest24978-21sh21:27:3415
21562992110,6cyclictest131rcu_preempt23:03:1115
21561992115,4cyclictest5162-2110-uname21:56:4514
2156099210,4cyclictest16551-21kworker/7:300:37:2013
2155999213,2cyclictest3812-21systemd-cgroups23:03:0612
2155999211,3cyclictest1041-21dbus-daemon23:02:1412
21559992113,5cyclictest23579-21uname22:01:3612
2155699214,14cyclictest5540-21sshd23:16:1611
2155699210,2cyclictest0-21swapper/523:57:3011
2155499214,16cyclictest481ktimersoftd/419:53:3010
2155399213,16cyclictest8427-21run-parts22:06:179
21553992115,4cyclictest3750-21run-parts22:18:319
21552992115,4cyclictest30553-21systemd22:49:528
21552992115,4cyclictest30553-21systemd22:49:528
2155299210,19cyclictest26717-21kworker/2:123:26:318
2154999214,3cyclictest1041-21dbus-daemon21:16:450
21549992113,3cyclictest26601-21sshd23:53:050
2154999210,18cyclictest17919-21kworker/0:523:27:320
192422210,1sleep30-21swapper/322:38:539
192422210,1sleep30-21swapper/322:38:539
184142210,17sleep120-21swapper/1221:30:024
165772210,2sleep216579-21env00:17:498
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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