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2026-06-06 - 11:25
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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 Sat Jun 06, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2450792995754,2cyclictest2628364-21kworker/u16:2+events_unbound21:22:045
245041725747,7sleep40-21swapper/419:05:154
2450792995553,2cyclictest2412658-21kworker/u16:4+flush-8:020:02:005
245030325545,7sleep50-21swapper/519:03:405
2450792995452,2cyclictest2635834-21kworker/u16:4+events_unbound20:52:015
2450802995349,3cyclictest124-21kswapd023:26:467
2450792995351,2cyclictest2827008-21kworker/u16:2+events_unbound22:02:045
2450792995048,2cyclictest2635834-21kworker/u16:4+flush-8:020:47:025
2450792995047,2cyclictest3072821-21kworker/u16:0+events_unbound00:06:455
2450792994947,2cyclictest3012163-21kworker/u16:4+flush-8:023:41:475
2450792994947,2cyclictest2827008-21kworker/u16:2+events_unbound22:27:055
2450792994745,2cyclictest2936150-21kworker/u16:3+events_unbound23:11:545
2450792994745,2cyclictest2879105-21kworker/u16:0+events_unbound22:47:035
2450792994745,2cyclictest2532478-21kworker/u16:0+flush-8:020:12:015
2450792994644,2cyclictest3155660-21kworker/u16:4+flush-8:000:22:045
2450792994644,2cyclictest2532478-21kworker/u16:0+events_unbound20:22:015
2450789994643,2cyclictest2839976-21kworker/u16:1+flush-8:022:21:574
2450792994543,2cyclictest2412658-21kworker/u16:4+flush-8:019:11:485
2450789994543,2cyclictest2532478-21kworker/u16:0+events_unbound20:11:594
24496152443,35sleep70-21swapper/719:02:057
2450792994341,2cyclictest3146226-21kworker/u16:0+flush-8:000:26:475
2450792994341,2cyclictest3146226-21kworker/u16:0+flush-8:000:26:475
2450792994341,2cyclictest2936150-21kworker/u16:3+flush-8:023:01:465
2450789994341,2cyclictest2635834-21kworker/u16:4+flush-8:021:01:594
2450789994341,2cyclictest2635834-21kworker/u16:4+flush-8:021:01:594
2450792994241,1cyclictest2915428-21kworker/u16:1+events_unbound23:36:475
2450792994240,2cyclictest2915428-21kworker/u16:1+flush-8:022:42:045
2450792994240,2cyclictest2635834-21kworker/u16:4+events_unbound21:46:595
2450792994240,2cyclictest2460278-21kworker/u16:2+events_unbound19:57:005
2450792994139,2cyclictest3072821-21kworker/u16:0+events_unbound23:46:595
2450792994139,2cyclictest2827008-21kworker/u16:2+events_unbound22:32:065
2450792994139,2cyclictest2460278-21kworker/u16:2+flush-8:020:07:005
2450802994034,5cyclictest635-21systemd-journal19:21:327
2450792993937,2cyclictest3119955-21kworker/u16:1+events_unbound00:21:175
2450792993937,2cyclictest2948857-21kworker/u16:2+events_unbound23:21:545
2450792993937,2cyclictest2936150-21kworker/u16:3+flush-8:022:58:065
2450792993937,2cyclictest2628364-21kworker/u16:2+flush-8:021:37:005
2450792993936,2cyclictest2559827-21kworker/u16:1+flush-8:020:26:475
2450792993935,2cyclictest3119955-21kworker/u16:1+events_unbound00:31:505
2450792993935,2cyclictest3119955-21kworker/u16:1+events_unbound00:31:505
2450802993832,5cyclictest2854476-21latency_hist22:16:327
2450792993836,2cyclictest3012163-21kworker/u16:4+flush-8:023:34:175
2450792993836,2cyclictest2948857-21kworker/u16:2+events_unbound23:56:455
2450792993836,2cyclictest2635834-21kworker/u16:4+flush-8:021:51:595
2450792993836,2cyclictest2635834-21kworker/u16:4+events_unbound21:28:145
2450792993836,2cyclictest2635834-21kworker/u16:4+events_unbound21:20:035
2450792993835,2cyclictest2628364-21kworker/u16:2+flush-8:021:31:455
2450792993735,2cyclictest3119955-21kworker/u16:1+events_unbound00:13:145
2450792993735,2cyclictest2948857-21kworker/u16:2+events_unbound23:29:535
2450792993735,2cyclictest2839976-21kworker/u16:1+flush-8:022:21:145
2450789993735,2cyclictest2628364-21kworker/u16:2+events_unbound21:17:034
2450792993634,2cyclictest2936150-21kworker/u16:3+events_unbound23:07:585
2450792993634,2cyclictest2915428-21kworker/u16:1+events_unbound22:53:185
2450792993634,2cyclictest2827008-21kworker/u16:2+events_unbound22:11:475
2450792993634,2cyclictest2532478-21kworker/u16:0+flush-8:020:32:015
2450792993634,2cyclictest2532478-21kworker/u16:0+flush-8:020:16:495
2450792993634,2cyclictest2460278-21kworker/u16:2+events_unbound19:21:575
2450792993533,2cyclictest3012163-21kworker/u16:4+flush-8:000:01:475
2450792993533,2cyclictest2948857-21kworker/u16:2+events_unbound23:19:305
2450792993533,2cyclictest2866624-21kworker/u16:3+events_unbound22:37:465
2450792993533,2cyclictest2866624-21kworker/u16:3+events_unbound22:25:395
2450792993533,2cyclictest2685162-21kworker/u16:0+events_unbound22:01:155
2450792993533,2cyclictest2635834-21kworker/u16:4+events_unbound22:07:015
2450792993533,2cyclictest2635834-21kworker/u16:4+events_unbound21:10:505
2450789993533,2cyclictest2866624-21kworker/u16:3+flush-8:022:36:474
2450789993533,2cyclictest2460278-21kworker/u16:2+flush-8:019:36:594
2450789993533,2cyclictest2387338-21kworker/u16:1+events_unbound19:41:494
2450792993432,2cyclictest2685162-21kworker/u16:0+events_unbound21:43:305
2450792993432,2cyclictest2685162-21kworker/u16:0+events_unbound21:43:305
2450792993432,2cyclictest2628364-21kworker/u16:2+events_unbound21:12:515
2450789993432,2cyclictest3012163-21kworker/u16:4+events_unbound23:31:584
2450789993331,2cyclictest3146226-21kworker/u16:0+events_unbound00:27:014
2450789993331,2cyclictest3146226-21kworker/u16:0+events_unbound00:27:014
2450789993331,2cyclictest2948857-21kworker/u16:2+events_unbound23:21:584
2450792993230,2cyclictest2948857-21kworker/u16:2+flush-8:023:51:575
2450792993230,2cyclictest2635834-21kworker/u16:4+events_unbound20:59:015
2450792993230,2cyclictest2460278-21kworker/u16:2+flush-8:019:17:015
2450792993230,2cyclictest2412658-21kworker/u16:4+events_unbound19:46:545
2450789993230,2cyclictest2628364-21kworker/u16:2+events_unbound20:46:564
25797652310,1chrt2579766-21cpuspeed_turbos20:11:447
2450797993130,1cyclictest2936150-21kworker/u16:3+events_unbound22:52:066
2450792993129,2cyclictest2532478-21kworker/u16:0+flush-8:020:39:425
2450792993129,2cyclictest2460278-21kworker/u16:2+flush-8:019:51:535
2450789993129,2cyclictest2635834-21kworker/u16:4+flush-8:021:52:004
2450789993129,2cyclictest2635834-21kworker/u16:4+events_unbound21:14:174
2450789993129,2cyclictest2635834-21kworker/u16:4+events_unbound20:56:584
2450789993129,2cyclictest2460278-21kworker/u16:2+events_unbound19:49:034
2450792993028,2cyclictest2387338-21kworker/u16:1+flush-8:019:29:035
2450789992927,2cyclictest3072821-21kworker/u16:0+events_unbound23:56:354
2450789992927,2cyclictest3072821-21kworker/u16:0+events_unbound00:09:124
2450789992927,2cyclictest2879105-21kworker/u16:0+flush-8:022:46:574
2450789992927,2cyclictest2685162-21kworker/u16:0+events_unbound22:04:354
2450789992927,2cyclictest2635834-21kworker/u16:4+events_unbound20:39:504
2450789992927,2cyclictest2532478-21kworker/u16:0+flush-8:020:26:594
2450789992927,2cyclictest2532478-21kworker/u16:0+events_unbound20:18:184
2450789992927,2cyclictest2387338-21kworker/u16:1+events_unbound19:24:024
2450789992927,2cyclictest2387338-21kworker/u16:1+events_unbound19:21:304
29023262280,1chrt2902324-21ssh22:35:367
26949802280,1chrt2694981-21rm21:08:097
2450789992826,2cyclictest2879105-21kworker/u16:0+events_unbound22:35:434
2450789992826,2cyclictest2839976-21kworker/u16:1+events_unbound22:09:164
2450789992826,2cyclictest2635834-21kworker/u16:4+events_unbound20:54:154
2450789992826,2cyclictest2635834-21kworker/u16:4+events_unbound20:44:064
2450789992826,2cyclictest2628364-21kworker/u16:2+events_unbound21:22:364
2450789992826,2cyclictest2460278-21kworker/u16:2+events_unbound19:33:074
2450789992826,2cyclictest2460278-21kworker/u16:2+events_unbound19:33:074
2450789992826,2cyclictest2387338-21kworker/u16:1+events_unbound19:27:394
2450789992825,2cyclictest3012163-21kworker/u16:4+events_unbound23:41:484
2450792992725,2cyclictest2532478-21kworker/u16:0+events_unbound20:45:435
2450789992725,2cyclictest3146226-21kworker/u16:0+flush-8:000:22:094
2450789992725,2cyclictest2936150-21kworker/u16:3+events_unbound22:53:364
2450789992725,2cyclictest2915428-21kworker/u16:1+flush-8:023:39:394
2450789992725,2cyclictest2827008-21kworker/u16:2+events_unbound22:13:504
2450789992725,2cyclictest2685162-21kworker/u16:0+events_unbound21:46:464
2450789992725,2cyclictest2685162-21kworker/u16:0+events_unbound21:43:584
2450789992725,2cyclictest2685162-21kworker/u16:0+events_unbound21:43:584
2450789992725,2cyclictest2685162-21kworker/u16:0+events_unbound21:28:274
2450789992725,2cyclictest2412658-21kworker/u16:4+events_unbound19:57:044
28171612260,1chrt2817159-21ssh21:59:467
2450792992624,2cyclictest2431767-21kworker/u16:3+events_unbound19:10:025
2450789992624,2cyclictest3146226-21kworker/u16:0+events_unbound00:36:004
2450789992624,2cyclictest3146226-21kworker/u16:0+events_unbound00:36:004
2450789992624,2cyclictest2948857-21kworker/u16:2+flush-8:000:12:254
2450789992624,2cyclictest2948857-21kworker/u16:2+events_unbound23:16:044
2450789992624,2cyclictest2936150-21kworker/u16:3+events_unbound23:01:524
2450789992624,2cyclictest2628364-21kworker/u16:2+flush-8:021:10:404
2450789992624,2cyclictest2412658-21kworker/u16:4+events_unbound19:54:514
2450789992523,2cyclictest3146226-21kworker/u16:0+events_unbound00:18:154
2450789992523,2cyclictest2936150-21kworker/u16:3+events_unbound23:07:234
2450789992523,2cyclictest2936150-21kworker/u16:3+events_unbound22:57:484
2450789992523,2cyclictest2866624-21kworker/u16:3+events_unbound22:31:294
2450789992523,2cyclictest2559827-21kworker/u16:1+events_unbound20:23:074
2450789992523,2cyclictest2532478-21kworker/u16:0+events_unbound20:33:464
245039022515,7sleep60-21swapper/619:04:536
2450797992420,3cyclictest2915428-21kworker/u16:1+flush-8:023:17:026
2450789992422,2cyclictest3012163-21kworker/u16:4+flush-8:023:50:144
2450789992422,2cyclictest3012163-21kworker/u16:4+events_unbound23:31:134
2450789992422,2cyclictest2948857-21kworker/u16:2+events_unbound23:55:434
2450789992422,2cyclictest2948857-21kworker/u16:2+events_unbound00:03:344
2450789992422,2cyclictest2879105-21kworker/u16:0+events_unbound22:41:394
2450789992422,2cyclictest2746731-21kworker/u16:1+events_unbound21:36:014
2450789992422,2cyclictest2685162-21kworker/u16:0+events_unbound22:16:574
2450789992422,2cyclictest2635834-21kworker/u16:4+events_unbound21:38:454
2450789992422,2cyclictest2412658-21kworker/u16:4+flush-8:020:04:224
2450789992422,2cyclictest2387338-21kworker/u16:1+events_unbound19:12:584
2450802992322,0cyclictest0-21swapper/721:41:327
2450789992321,2cyclictest2635834-21kworker/u16:4+events_unbound21:57:214
2450797992220,2cyclictest2866624-21kworker/u16:3+flush-8:022:31:576
2450789992220,2cyclictest2431767-21kworker/u16:3+events_unbound19:08:084
2450797992119,2cyclictest2948857-21kworker/u16:2+flush-8:023:42:016
2450792992119,2cyclictest2460278-21kworker/u16:2+events_unbound19:33:035
2450792992119,2cyclictest2460278-21kworker/u16:2+events_unbound19:33:035
2450802991814,3cyclictest1234-21snmpd21:42:237
2450802991814,3cyclictest1234-21snmpd21:42:237
2450802991813,4cyclictest3011748-21latency_hist23:21:327
2450792991816,2cyclictest2412658-21kworker/u16:4+flush-8:019:44:145
2450789991816,2cyclictest2532478-21kworker/u16:0+events_unbound20:09:464
26246452170,0sleep60-21swapper/620:31:546
2450802991714,2cyclictest0-21swapper/721:11:327
245080299171,14cyclictest635-21systemd-journal00:26:327
245080299171,14cyclictest635-21systemd-journal00:26:327
2450792991715,2cyclictest2635834-21kworker/u16:4+events_unbound21:03:075
2450792991715,2cyclictest2635834-21kworker/u16:4+events_unbound21:03:075
2450792991715,2cyclictest2412658-21kworker/u16:4+flush-8:019:36:485
2450802991615,0cyclictest0-21swapper/722:10:217
2450802991614,1cyclictest0-21swapper/723:06:327
245080299159,5cyclictest2675137-21latency_hist21:01:327
2450802991514,0cyclictest0-21swapper/723:57:587
2450802991514,0cyclictest0-21swapper/700:15:377
2450802991513,1cyclictest0-21swapper/723:01:557
245080299150,13cyclictest0-21swapper/719:06:577
2450797991512,2cyclictest2685162-21kworker/u16:0+flush-8:022:11:326
2450802991414,0cyclictest0-21swapper/723:25:317
2450802991413,0cyclictest0-21swapper/721:48:577
2450802991413,0cyclictest0-21swapper/720:36:307
2450802991412,1cyclictest0-21swapper/723:43:167
2450802991412,1cyclictest0-21swapper/722:01:597
2450802991411,2cyclictest0-21swapper/722:22:007
245080299140,12cyclictest2928384-21cat22:46:477
2450797991413,1cyclictest0-21swapper/623:34:586
245080299139,3cyclictest2866618-21systemd-run22:21:317
245080299139,3cyclictest1234-21snmpd21:26:087
245080299139,3cyclictest1234-21snmpd20:49:527
245080299139,3cyclictest1234-21snmpd19:47:187
245080299139,3cyclictest1234-21snmpd19:26:597
245080299138,4cyclictest2879984-21cat22:26:487
245080299138,4cyclictest2513244-21cat19:36:467
245080299138,4cyclictest1234-21snmpd00:35:497
245080299138,4cyclictest1234-21snmpd00:35:497
245080299134,8cyclictest0-21swapper/723:46:477
245080299131,5cyclictest0-21swapper/700:06:477
2450802991312,0cyclictest0-21swapper/700:19:047
2450802991311,1cyclictest0-21swapper/723:51:487
2450802991311,1cyclictest0-21swapper/722:56:577
2450797991312,1cyclictest0-21swapper/623:05:296
2450797991312,1cyclictest0-21swapper/621:13:236
2450797991312,1cyclictest0-21swapper/621:09:176
245079799130,13cyclictest0-21swapper/623:27:436
245079799130,13cyclictest0-21swapper/622:22:366
245079799130,13cyclictest0-21swapper/621:43:026
245079799130,13cyclictest0-21swapper/621:43:026
245079799130,13cyclictest0-21swapper/600:02:526
245079799130,0cyclictest0-21swapper/600:17:416
245078999130,0cyclictest0-21swapper/423:16:594
29996842120,0sleep72999680-21ls23:16:317
245080299129,2cyclictest1234-21snmpd20:30:227
245080299128,3cyclictest2522864-21cat19:41:487
245080299128,3cyclictest1234-21snmpd21:03:317
245080299128,3cyclictest1234-21snmpd21:03:317
245080299128,2cyclictest3157926-21df_inode00:21:457
245080299127,4cyclictest1234-21snmpd22:40:377
245080299126,5cyclictest5729-21ssh-agent21:31:537
2450802991211,0cyclictest0-21swapper/719:11:377
2450802991210,1cyclictest2940198-21df22:51:447
245080299120,11cyclictest0-21swapper/720:20:407
2450797991211,1cyclictest0-21swapper/623:56:246
2450797991211,1cyclictest0-21swapper/622:41:226
2450797991211,1cyclictest0-21swapper/622:00:036
2450797991211,1cyclictest0-21swapper/621:30:346
2450797991211,1cyclictest0-21swapper/621:17:296
2450797991211,1cyclictest0-21swapper/600:09:306
245079799120,12cyclictest0-21swapper/622:46:056
245079799120,12cyclictest0-21swapper/619:26:016
245080299119,1cyclictest2635235-21kthreadcore20:36:547
245080299118,2cyclictest1234-21snmpd21:52:027
245080299118,2cyclictest1234-21snmpd20:10:007
245080299117,3cyclictest3057865-21ssh23:37:067
245080299117,3cyclictest1234-21snmpd23:32:537
245080299117,3cyclictest1234-21snmpd19:56:487
245080299116,5cyclictest6382-21gvfs-afc-volume22:43:397
245080299116,4cyclictest2561253-21cat20:01:477
245080299116,4cyclictest2484478-21cat19:21:487
245080299115,4cyclictest2660785-21grep20:51:537
245080299114,6cyclictest6382-21gvfs-afc-volume00:01:507
245080299110,9cyclictest2709483-21/usr/sbin/munin21:16:497
245080299110,10cyclictest1234-21snmpd19:35:447
245080299110,10cyclictest1234-21snmpd19:35:447
245079799119,2cyclictest86-21ksoftirqd/622:57:006
245079799119,2cyclictest86-21ksoftirqd/619:41:486
2450797991110,1cyclictest0-21swapper/623:13:036
2450797991110,1cyclictest0-21swapper/622:13:186
2450797991110,1cyclictest0-21swapper/621:51:236
2450797991110,1cyclictest0-21swapper/621:38:566
2450797991110,1cyclictest0-21swapper/621:05:116
2450797991110,1cyclictest0-21swapper/621:05:116
2450797991110,1cyclictest0-21swapper/621:00:466
2450797991110,1cyclictest0-21swapper/620:42:576
2450797991110,1cyclictest0-21swapper/620:23:256
2450797991110,1cyclictest0-21swapper/620:03:046
2450797991110,1cyclictest0-21swapper/600:27:476
2450797991110,1cyclictest0-21swapper/600:27:476
245079799110,3cyclictest2455352-21kthreadcore19:06:516
245079799110,11cyclictest0-21swapper/620:17:166
245079799110,11cyclictest0-21swapper/619:50:466
245079799110,0cyclictest0-21swapper/622:18:026
245079799110,0cyclictest0-21swapper/620:47:226
245080299106,3cyclictest918-21gmain21:26:467
245080299104,4cyclictest2598863-21cpu20:21:437
245079799109,1cyclictest0-21swapper/623:49:096
245079799109,1cyclictest0-21swapper/622:04:196
245079799109,1cyclictest0-21swapper/621:55:386
245079799109,1cyclictest0-21swapper/620:51:386
245079799109,1cyclictest0-21swapper/619:38:296
245079799108,2cyclictest86-21ksoftirqd/623:22:036
245079799107,2cyclictest86-21ksoftirqd/621:21:336
24508029994,4cyclictest2639392-21cat20:41:497
24508029994,4cyclictest2541811-21grep19:51:467
24507979998,1cyclictest0-21swapper/622:27:016
24507979997,2cyclictest86-21ksoftirqd/623:59:196
24507979997,2cyclictest86-21ksoftirqd/623:40:536
24507979997,2cyclictest86-21ksoftirqd/623:06:366
24507979997,2cyclictest86-21ksoftirqd/622:49:216
24507979997,2cyclictest86-21ksoftirqd/621:33:016
24507979997,2cyclictest86-21ksoftirqd/600:33:456
24507979997,2cyclictest86-21ksoftirqd/600:33:456
24507979990,8cyclictest2460759-21users19:11:346
24507979986,2cyclictest86-21ksoftirqd/600:23:176
24507979986,2cyclictest86-21ksoftirqd/600:13:086
24507979976,1cyclictest0-21swapper/620:29:436
24507979970,1cyclictest0-21swapper/620:11:506
24507979965,1cyclictest0-21swapper/620:36:566
24507979964,2cyclictest86-21ksoftirqd/620:06:456
24507979963,2cyclictest1011-21lldpd19:26:476
24507979961,1cyclictest0-21swapper/619:56:466
24507979961,1cyclictest0-21swapper/619:35:016
24507979961,1cyclictest0-21swapper/619:35:016
24507979960,6cyclictest0-21swapper/619:51:506
24507979960,6cyclictest0-21swapper/619:16:476
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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