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2026-06-29 - 05:39
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack0slot2.osadl.org (updated Mon Jun 29, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
383181926555,7sleep50-21swapper/519:05:365
383207726048,8sleep40-21swapper/419:09:124
3832372994741,5cyclictest3953121-21latency_hist20:09:147
3832361994442,2cyclictest4001526-21kworker/u16:4+events_unbound22:44:154
38227652447,30sleep70-21swapper/719:04:187
3832372994136,4cyclictest4031071-21latency_hist20:49:147
3832361993938,1cyclictest33454-21kworker/u16:0+events_unbound22:10:444
3832361993937,2cyclictest4092501-21kworker/u16:3+events_unbound21:16:324
3832361993936,2cyclictest33454-21kworker/u16:0+events_unbound22:33:464
3832372993833,4cyclictest353709-21latency_hist00:24:137
3832362993734,2cyclictest33454-21kworker/u16:0+flush-8:022:34:125
3832361993736,1cyclictest255953-21kworker/u16:3+events_unbound00:18:524
3832361993735,2cyclictest354016-21kworker/u16:0+events_unbound00:37:124
3832361993735,2cyclictest354016-21kworker/u16:0+events_unbound00:37:124
3832361993735,2cyclictest155635-21kworker/u16:0+events_unbound23:03:084
3832361993634,2cyclictest4001526-21kworker/u16:4+flush-8:021:09:134
3832361993634,2cyclictest4001526-21kworker/u16:4+events_unbound21:43:154
3832361993634,2cyclictest155635-21kworker/u16:0+events_unbound23:56:084
3832361993634,2cyclictest155635-21kworker/u16:0+events_unbound23:56:084
3832361993634,2cyclictest155635-21kworker/u16:0+events_unbound23:04:154
3832367993531,3cyclictest170646-21kworker/u16:5+flush-8:000:39:126
3832367993531,3cyclictest170646-21kworker/u16:5+flush-8:000:39:126
3832361993533,2cyclictest95528-21kworker/u16:2+flush-8:022:59:134
3832361993533,2cyclictest46643-21kworker/u16:1+events_unbound22:20:404
3832361993533,2cyclictest170646-21kworker/u16:5+events_unbound23:49:184
3832361993533,2cyclictest155635-21kworker/u16:0+events_unbound23:39:104
3832361993533,2cyclictest121335-21kworker/u16:1+events_unbound23:14:034
3832361993432,2cyclictest46643-21kworker/u16:1+events_unbound22:26:164
3832361993432,2cyclictest4180220-21kworker/u16:2+events_unbound22:03:444
3832361993432,2cyclictest4092501-21kworker/u16:3+events_unbound21:29:164
3832361993432,2cyclictest233157-21kworker/u16:2+events_unbound00:05:154
3832361993432,2cyclictest230306-21kworker/u16:1+events_unbound23:33:124
3832361993432,2cyclictest155635-21kworker/u16:0+events_unbound00:03:124
3832361993431,2cyclictest4001526-21kworker/u16:4+flush-8:021:44:134
382276423424,7sleep60-21swapper/619:04:176
3832361993331,2cyclictest95528-21kworker/u16:2+events_unbound22:49:434
3832361993331,2cyclictest4001526-21kworker/u16:4+events_unbound22:07:194
3832361993331,2cyclictest4001526-21kworker/u16:4+events_unbound21:52:244
3832361993331,2cyclictest4001526-21kworker/u16:4+events_unbound21:52:244
3832361993331,2cyclictest4001526-21kworker/u16:4+events_unbound21:37:404
3832361993331,2cyclictest317142-21kworker/u16:1+events_unbound00:11:404
3832361993331,2cyclictest170646-21kworker/u16:5+events_unbound23:27:364
3832361993230,2cyclictest95528-21kworker/u16:2+events_unbound22:40:154
3832361993230,2cyclictest4141203-21kworker/u16:0+events_unbound21:58:194
3832361993230,2cyclictest4060778-21kworker/u16:0+events_unbound21:13:034
3832361993230,2cyclictest4060778-21kworker/u16:0+events_unbound21:13:034
3832361993230,2cyclictest3992492-21kworker/u16:2+events_unbound21:26:324
3832361993230,2cyclictest170646-21kworker/u16:5+events_unbound00:20:244
3832361993229,2cyclictest95528-21kworker/u16:2+events_unbound22:38:064
3832372993130,0cyclictest0-21swapper/721:04:437
3832372993125,5cyclictest4011623-21latency_hist20:39:137
3832361993130,1cyclictest170646-21kworker/u16:5+events_unbound23:48:394
3832361993129,2cyclictest4094798-21kworker/u16:1+events_unbound21:23:244
3832361993129,2cyclictest255953-21kworker/u16:3+events_unbound00:33:224
3832367993026,3cyclictest155635-21kworker/u16:0+flush-8:023:14:136
3832362993028,2cyclictest155635-21kworker/u16:0+flush-8:023:09:425
3832361993028,2cyclictest33454-21kworker/u16:0+events_unbound22:18:004
3832361993028,2cyclictest255953-21kworker/u16:3+events_unbound00:28:274
3832361993028,2cyclictest155635-21kworker/u16:0+events_unbound23:21:114
3832361993027,2cyclictest3792311-21kworker/u16:3+events_unbound19:19:154
3832361993027,2cyclictest155635-21kworker/u16:0+events_unbound23:39:224
3832361992927,2cyclictest3893600-21kworker/u16:1+events_unbound19:54:084
3832361992927,2cyclictest155635-21kworker/u16:0+events_unbound23:17:154
3832372992827,0cyclictest0-21swapper/722:14:277
3832367992825,2cyclictest170646-21kworker/u16:5+flush-8:023:29:186
3832362992826,2cyclictest170646-21kworker/u16:5+events_unbound00:19:275
3832367992725,2cyclictest4001526-21kworker/u16:4+events_unbound21:49:286
3832367992725,2cyclictest4001526-21kworker/u16:4+events_unbound21:49:286
3832372992624,1cyclictest0-21swapper/723:19:317
3832362992624,2cyclictest3992492-21kworker/u16:2+flush-8:021:24:295
3832362992523,2cyclictest3778371-21kworker/u16:0+events_unbound20:17:255
3832362992522,2cyclictest4153417-21kworker/u16:1+events_unbound21:49:245
3832362992522,2cyclictest4153417-21kworker/u16:1+events_unbound21:49:245
3832361992523,2cyclictest3792311-21kworker/u16:3+flush-8:019:29:084
3832361992523,2cyclictest3778371-21kworker/u16:0+events_unbound20:24:434
3832362992422,2cyclictest3778371-21kworker/u16:0+events_unbound19:54:295
383237299230,21cyclictest911-21dbus-daemon22:54:137
3832367992320,3cyclictest3893600-21kworker/u16:1+flush-8:019:44:296
3832372992220,1cyclictest0-21swapper/722:59:287
3832362992220,2cyclictest4001526-21kworker/u16:4+flush-8:021:14:435
3832361992220,2cyclictest3934003-21kworker/u16:3+flush-8:020:09:094
3832372992120,0cyclictest0-21swapper/721:44:437
383237299210,19cyclictest650-21systemd-journal21:14:087
383237299210,19cyclictest650-21systemd-journal21:14:087
3832367992119,2cyclictest3934003-21kworker/u16:3+flush-8:019:59:396
3832361992119,2cyclictest3778371-21kworker/u16:0+events_unbound19:18:244
3832361992118,2cyclictest3778371-21kworker/u16:0+events_unbound20:54:234
3832372992018,1cyclictest0-21swapper/723:39:427
3832367992018,2cyclictest3832572-21kworker/u16:1+flush-8:019:09:266
3832362992018,2cyclictest3778371-21kworker/u16:0+events_unbound20:00:525
3832362992018,2cyclictest354016-21kworker/u16:0+events_unbound00:24:425
3832362992018,2cyclictest155635-21kworker/u16:0+events_unbound23:39:085
3832361992018,2cyclictest4001526-21kworker/u16:4+events_unbound20:32:284
3832372991918,0cyclictest0-21swapper/722:24:307
3832372991917,1cyclictest0-21swapper/700:14:327
3832367991918,1cyclictest3778371-21kworker/u16:0+events_unbound20:54:396
3832362991918,1cyclictest33454-21kworker/u16:0+events_unbound22:23:115
3832362991917,2cyclictest4153417-21kworker/u16:1+flush-8:021:54:485
3832362991917,2cyclictest3934003-21kworker/u16:3+events_unbound20:37:055
3832362991917,2cyclictest3792311-21kworker/u16:3+flush-8:019:19:295
3832362991917,2cyclictest33454-21kworker/u16:0+events_unbound22:44:275
3832362991917,2cyclictest233157-21kworker/u16:2+events_unbound23:39:245
3832362991917,2cyclictest170646-21kworker/u16:5+events_unbound23:44:285
3832372991812,5cyclictest3962854-21latency_hist20:14:137
383237299181,15cyclictest277209-21ssh23:49:377
3832362991816,2cyclictest4001526-21kworker/u16:4+flush-8:022:39:285
3832362991816,2cyclictest233157-21kworker/u16:2+events_unbound00:08:565
3832362991816,2cyclictest170646-21kworker/u16:5+flush-8:023:49:425
3832362991815,2cyclictest170646-21kworker/u16:5+events_unbound23:14:235
3832361991816,2cyclictest3123610-21kworker/u16:4+flush-8:019:39:244
3832361991816,2cyclictest3123610-21kworker/u16:4+flush-8:019:39:244
3832361991815,2cyclictest3778371-21kworker/u16:0+flush-8:020:39:234
3832372991716,0cyclictest0-21swapper/722:04:387
3832372991716,0cyclictest0-21swapper/700:29:307
3832372991714,2cyclictest0-21swapper/723:34:137
383237299170,15cyclictest0-21swapper/723:14:397
3832362991715,2cyclictest46643-21kworker/u16:1+flush-8:022:34:395
3832362991715,2cyclictest4192922-21kworker/u16:3+flush-8:022:14:375
3832362991715,2cyclictest4092501-21kworker/u16:3+flush-8:021:19:425
3832362991715,2cyclictest4001526-21kworker/u16:4+flush-8:021:39:095
3832362991715,2cyclictest3778371-21kworker/u16:0+events_unbound20:55:535
3832362991715,2cyclictest3778371-21kworker/u16:0+events_unbound20:47:295
3832362991715,2cyclictest33454-21kworker/u16:0+flush-8:022:24:385
3832362991715,2cyclictest121335-21kworker/u16:1+flush-8:022:59:085
3832361991715,2cyclictest3934003-21kworker/u16:3+flush-8:020:59:354
3832361991715,2cyclictest3778371-21kworker/u16:0+events_unbound19:56:234
3832372991613,2cyclictest911-21dbus-daemon23:49:127
3832372991611,4cyclictest292547-21latency_hist23:59:137
3832372991611,4cyclictest292547-21latency_hist23:59:137
383237299160,14cyclictest3981717-21threads20:19:417
383237299160,14cyclictest219198-21latency_hist23:29:137
3832367991614,2cyclictest4001526-21kworker/u16:4+events_unbound23:24:276
3832367991614,2cyclictest3792311-21kworker/u16:3+events_unbound19:14:166
3832362991614,2cyclictest4001526-21kworker/u16:4+flush-8:020:59:395
3832362991614,2cyclictest3894733-21kworker/u16:2+events_unbound20:20:035
3832362991614,2cyclictest3894733-21kworker/u16:2+events_unbound19:54:105
3832362991614,2cyclictest255953-21kworker/u16:3+events_unbound00:29:275
3832362991613,2cyclictest3981467-21kworker/u16:1+events_unbound20:29:225
3832361991614,2cyclictest3893600-21kworker/u16:1+events_unbound19:44:354
3832361991614,2cyclictest3778371-21kworker/u16:0+events_unbound20:14:514
3832372991510,4cyclictest365903-21latency_hist00:29:127
383237299150,13cyclictest0-21swapper/719:39:377
383237299150,13cyclictest0-21swapper/719:39:377
3832367991511,3cyclictest95528-21kworker/u16:2+flush-8:022:54:136
3832362991513,2cyclictest4180220-21kworker/u16:2+events_unbound22:05:105
3832362991513,2cyclictest4001526-21kworker/u16:4+events_unbound21:29:385
3832362991513,2cyclictest3792311-21kworker/u16:3+events_unbound19:29:425
3832362991513,2cyclictest3778371-21kworker/u16:0+events_unbound20:10:295
3832362991513,2cyclictest354016-21kworker/u16:0+events_unbound00:36:005
3832362991513,2cyclictest354016-21kworker/u16:0+events_unbound00:36:005
3832362991513,2cyclictest317142-21kworker/u16:1+flush-8:000:15:145
3832362991513,2cyclictest155635-21kworker/u16:0+events_unbound23:22:555
3832362991513,2cyclictest155635-21kworker/u16:0+events_unbound23:03:205
3832361991513,2cyclictest3934003-21kworker/u16:3+events_unbound20:35:244
383237299147,6cyclictest5963-21gmain21:41:147
3832372991412,1cyclictest58380-21ssh22:20:417
3832372991411,2cyclictest1278-21snmpd19:20:337
383237299140,12cyclictest145802-21latency_hist22:59:137
3832367991413,1cyclictest0-21swapper/621:16:266
383236799140,1cyclictest0-21swapper/622:06:066
383236799140,14cyclictest0-21swapper/622:33:326
3832362991412,2cyclictest3934003-21kworker/u16:3+events_unbound20:04:315
3832362991412,2cyclictest3778371-21kworker/u16:0+events_unbound19:26:015
3832362991412,2cyclictest3778371-21kworker/u16:0+events_unbound19:16:385
3832362991412,2cyclictest317142-21kworker/u16:1+events_unbound00:09:435
3832362991412,2cyclictest170646-21kworker/u16:5+events_unbound23:29:375
3832362991412,2cyclictest155635-21kworker/u16:0+events_unbound23:07:135
3832361991412,2cyclictest3934003-21kworker/u16:3+events_unbound20:13:404
3832361991412,2cyclictest3894733-21kworker/u16:2+events_unbound20:19:564
383237299139,3cyclictest1278-21snmpd22:10:257
383237299139,3cyclictest1278-21snmpd22:02:257
383237299139,3cyclictest1278-21snmpd19:50:367
3832372991313,0cyclictest0-21swapper/700:38:387
3832372991313,0cyclictest0-21swapper/700:38:387
3832372991312,0cyclictest0-21swapper/723:07:027
383237299130,3cyclictest108933-21ssh22:43:517
383237299130,2cyclictest0-21swapper/719:34:387
3832367991312,1cyclictest0-21swapper/623:22:156
3832367991312,1cyclictest0-21swapper/622:55:556
3832367991312,1cyclictest0-21swapper/622:18:146
3832367991312,1cyclictest0-21swapper/622:03:256
3832367991312,1cyclictest0-21swapper/621:45:556
3832367991312,1cyclictest0-21swapper/600:12:516
383236799130,1cyclictest0-21swapper/621:29:506
383236799130,13cyclictest0-21swapper/600:30:316
383236799130,13cyclictest0-21swapper/600:29:066
383236799130,0cyclictest0-21swapper/623:34:526
3832362991312,1cyclictest0-21swapper/500:00:485
3832362991311,2cyclictest3792311-21kworker/u16:3+flush-8:019:09:355
3832362991311,2cyclictest3778371-21kworker/u16:0+flush-8:019:40:075
3832362991311,2cyclictest3778371-21kworker/u16:0+flush-8:019:40:075
3832362991311,2cyclictest3778371-21kworker/u16:0+events_unbound20:28:065
3832362991310,2cyclictest4001526-21kworker/u16:4+events_unbound22:49:165
383237299129,2cyclictest74262-21ssh22:29:317
383237299129,2cyclictest1278-21snmpd21:53:407
383237299129,2cyclictest1278-21snmpd21:53:407
383237299129,2cyclictest0-21swapper/723:59:387
383237299128,3cyclictest1278-21snmpd21:38:407
383237299128,3cyclictest1278-21snmpd21:17:127
383237299128,3cyclictest1278-21snmpd19:44:487
383237299128,3cyclictest1278-21snmpd19:32:577
383237299126,5cyclictest4119101-21latency_hist21:29:137
383237299125,6cyclictest6247-21gmain00:12:427
383237299120,2cyclictest119060-21ssh22:44:577
383236799128,3cyclictest61563-21cat22:24:296
383236799128,3cyclictest342792-21cat00:19:276
3832367991211,1cyclictest0-21swapper/622:40:386
3832367991211,1cyclictest0-21swapper/622:37:476
3832367991211,1cyclictest0-21swapper/622:11:286
3832367991211,1cyclictest0-21swapper/620:09:356
3832367991211,1cyclictest0-21swapper/600:07:116
3832367991210,2cyclictest3992492-21kworker/u16:2+events_unbound20:59:286
383236799120,12cyclictest0-21swapper/623:50:196
383236799120,12cyclictest0-21swapper/622:44:536
383236799120,12cyclictest0-21swapper/621:58:046
383236799120,12cyclictest0-21swapper/621:21:486
383236799120,12cyclictest0-21swapper/600:17:166
383236799120,11cyclictest0-21swapper/620:34:216
3832362991211,1cyclictest0-21swapper/521:44:445
3832362991210,2cyclictest4192922-21kworker/u16:3+events_unbound22:12:595
3832362991210,2cyclictest4001526-21kworker/u16:4+flush-8:023:24:235
3832362991210,2cyclictest4001526-21kworker/u16:4+flush-8:021:09:375
3832362991210,2cyclictest4001526-21kworker/u16:4+flush-8:021:09:375
3832362991210,2cyclictest4001526-21kworker/u16:4+events_unbound21:08:025
3832362991210,2cyclictest3992492-21kworker/u16:2+events_unbound21:39:425
383237299118,3cyclictest6160-21gmain21:19:427
383237299118,2cyclictest1278-21snmpd20:33:297
383237299118,2cyclictest1278-21snmpd19:55:107
383237299117,3cyclictest1278-21snmpd19:13:517
383237299117,3cyclictest1228-21tuned-ppd20:54:397
383237299110,9cyclictest4189574-21ssh21:54:407
383237299110,1cyclictest230490-21ssh23:32:297
383237299110,1cyclictest0-21swapper/720:49:377
383237299110,10cyclictest3992103-21latency_hist20:29:137
383236799119,2cyclictest46643-21kworker/u16:1+flush-8:022:24:086
383236799117,3cyclictest3896937-21cut19:39:306
383236799117,3cyclictest3896937-21cut19:39:306
383236799117,3cyclictest250676-21kthreadcore23:39:336
383236799116,4cyclictest4115563-21kthreadcore21:24:356
383236799114,6cyclictest0-21swapper/623:44:316
3832367991110,1cyclictest0-21swapper/623:08:226
3832367991110,1cyclictest0-21swapper/623:02:516
3832367991110,1cyclictest0-21swapper/621:40:346
383236799110,2cyclictest4136529-21grep21:34:326
383236799110,11cyclictest0-21swapper/620:43:586
383236799110,11cyclictest0-21swapper/620:26:096
383236799110,11cyclictest0-21swapper/620:15:076
383236799110,11cyclictest0-21swapper/619:39:106
383236799110,11cyclictest0-21swapper/619:19:566
383236799110,10cyclictest3981649-21switchtime20:19:416
383236299119,2cyclictest3992492-21kworker/u16:2+events_unbound20:40:585
383236299119,2cyclictest170646-21kworker/u16:5+events_unbound23:54:485
383236299119,2cyclictest170646-21kworker/u16:5+events_unbound23:54:485
3832362991110,1cyclictest0-21swapper/522:03:495
383236299110,11cyclictest0-21swapper/519:46:395
383236199119,2cyclictest3778371-21kworker/u16:0+events_unbound19:29:264
3832361991110,1cyclictest0-21swapper/420:00:024
383236199110,11cyclictest0-21swapper/419:11:484
383237299107,2cyclictest5937-21gmain19:24:277
383237299106,3cyclictest6527-21gmain20:59:157
383237299106,3cyclictest1278-21snmpd23:13:337
383237299106,3cyclictest1278-21snmpd21:30:247
383237299106,3cyclictest1278-21snmpd19:17:127
3832372991010,0cyclictest0-21swapper/720:40:157
383237299100,1cyclictest315141-21ssh00:05:407
383236799108,2cyclictest86-21ksoftirqd/623:54:296
383236799108,2cyclictest86-21ksoftirqd/623:54:296
383236799105,4cyclictest183765-21cat23:14:296
383236799104,5cyclictest0-21swapper/621:09:316
383236799104,5cyclictest0-21swapper/621:09:316
383236799101,8cyclictest0-21swapper/620:29:326
383236799100,2cyclictest3916496-21kthreadcore19:49:316
383236299108,2cyclictest3934003-21kworker/u16:3+flush-8:020:49:475
383236299108,2cyclictest3123610-21kworker/u16:4+flush-8:019:34:345
383236199109,1cyclictest0-21swapper/419:37:484
38323729995,3cyclictest3935238-21kthreadcore19:59:327
38323729994,4cyclictest85256-21rm22:34:237
38323729994,4cyclictest1136-21lldpd20:14:427
38323679998,1cyclictest0-21swapper/620:49:196
38323679998,1cyclictest0-21swapper/619:55:436
38323679991,7cyclictest293063-21cpu23:59:246
38323679990,3cyclictest3872777-21tr19:24:346
38323679990,2cyclictest4021966-21expr20:44:256
38323619998,1cyclictest0-21swapper/420:52:234
38323679987,1cyclictest0-21swapper/621:04:186
38323679987,1cyclictest0-21swapper/619:33:396
38323679983,4cyclictest3947619-21cut20:04:326
38323619984,3cyclictest4024221-21grep20:44:304
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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