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2026-09-07 - 01:58
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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 all highest latencies:
System rack0slot2.osadl.org (updated Mon Sep 07, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91475425420,29sleep70-21swapper/719:04:237
92393924535,7sleep50-21swapper/519:07:585
924325994135,5cyclictest1054048-21latency_hist20:14:157
92389124132,6sleep40-21swapper/419:07:174
924315993937,2cyclictest1197343-21kworker/u16:3+events_unbound22:48:575
924313993937,2cyclictest1197343-21kworker/u16:3+flush-8:022:20:124
924315993836,2cyclictest1464749-21kworker/u16:2+events_unbound23:21:495
924313993836,2cyclictest1573806-21kworker/u16:4+events_unbound00:05:444
924315993735,2cyclictest1464749-21kworker/u16:2+events_unbound00:27:475
924315993634,2cyclictest1583306-21kworker/u16:5+events_unbound00:12:445
924315993634,2cyclictest1464749-21kworker/u16:2+events_unbound00:07:375
924315993634,2cyclictest1197343-21kworker/u16:3+events_unbound21:51:485
924315993633,2cyclictest1141603-21kworker/u16:1+events_unbound21:19:175
924315993633,2cyclictest1141603-21kworker/u16:1+events_unbound21:19:175
924313993634,2cyclictest1573806-21kworker/u16:4+events_unbound00:03:274
924313993634,2cyclictest1464749-21kworker/u16:2+events_unbound00:16:274
924313993634,2cyclictest1209583-21kworker/u16:5+flush-8:021:54:204
924313993634,2cyclictest1197343-21kworker/u16:3+events_unbound22:57:164
924313993634,2cyclictest1197343-21kworker/u16:3+events_unbound22:46:484
924313993633,2cyclictest1464749-21kworker/u16:2+events_unbound00:19:154
924325993534,0cyclictest0-21swapper/722:38:127
924325993534,0cyclictest0-21swapper/700:26:237
924315993533,2cyclictest1464749-21kworker/u16:2+events_unbound23:55:365
924315993533,2cyclictest1464749-21kworker/u16:2+events_unbound23:50:435
924315993533,2cyclictest1464749-21kworker/u16:2+events_unbound23:32:285
924315993533,2cyclictest1315919-21kworker/u16:4+events_unbound22:25:365
924313993533,2cyclictest1464749-21kworker/u16:2+events_unbound23:37:594
924313993533,2cyclictest1464749-21kworker/u16:2+events_unbound00:36:114
924313993533,2cyclictest1429012-21kworker/u16:0+events_unbound23:07:494
924313993533,2cyclictest1209583-21kworker/u16:5+events_unbound21:29:174
92383623525,7sleep60-21swapper/619:06:316
924325993433,0cyclictest0-21swapper/721:59:177
924325993433,0cyclictest0-21swapper/700:10:477
924315993432,2cyclictest1573806-21kworker/u16:4+events_unbound00:20:525
924315993432,2cyclictest1464749-21kworker/u16:2+events_unbound23:16:015
924315993432,2cyclictest1464749-21kworker/u16:2+events_unbound00:31:205
924315993432,2cyclictest1464749-21kworker/u16:2+events_unbound00:15:445
924315993432,2cyclictest1429012-21kworker/u16:0+events_unbound23:05:405
924315993432,2cyclictest1315919-21kworker/u16:4+events_unbound22:11:365
924315993432,2cyclictest1305603-21kworker/u16:1+events_unbound23:27:335
924315993432,2cyclictest1305603-21kworker/u16:1+events_unbound23:13:045
924315993432,2cyclictest1197441-21kworker/u16:4+events_unbound21:38:175
924315993431,2cyclictest921521-21kworker/u16:2+events_unbound19:59:165
924313993432,2cyclictest1429012-21kworker/u16:0+events_unbound23:02:014
924313993432,2cyclictest1315919-21kworker/u16:4+events_unbound22:51:364
924313993432,2cyclictest1315919-21kworker/u16:4+events_unbound22:26:054
924313993432,2cyclictest1315919-21kworker/u16:4+events_unbound22:13:084
924313993432,2cyclictest1160020-21kworker/u16:0+events_unbound21:11:404
924325993332,0cyclictest0-21swapper/721:50:167
924315993331,2cyclictest1573806-21kworker/u16:4+events_unbound00:03:565
924315993331,2cyclictest1464749-21kworker/u16:2+events_unbound23:40:435
924315993331,2cyclictest1464749-21kworker/u16:2+events_unbound00:37:475
924315993331,2cyclictest1315919-21kworker/u16:4+events_unbound22:17:495
924315993331,2cyclictest1305603-21kworker/u16:1+events_unbound22:53:005
924315993331,2cyclictest1305603-21kworker/u16:1+events_unbound22:23:175
924315993331,2cyclictest1271735-21kworker/u16:0+events_unbound22:06:495
924315993331,2cyclictest1271735-21kworker/u16:0+events_unbound21:55:175
924315993331,2cyclictest1160020-21kworker/u16:0+events_unbound21:18:325
924315993331,2cyclictest1160020-21kworker/u16:0+events_unbound21:13:045
924315993330,2cyclictest1305603-21kworker/u16:1+events_unbound22:34:165
924313993331,2cyclictest1573806-21kworker/u16:4+events_unbound00:11:374
924313993331,2cyclictest1512985-21kworker/u16:3+events_unbound23:54:164
924313993331,2cyclictest1305603-21kworker/u16:1+events_unbound23:15:524
924313993331,2cyclictest1305603-21kworker/u16:1+events_unbound22:35:364
924313993331,2cyclictest1305603-21kworker/u16:1+events_unbound22:30:164
924313993331,2cyclictest1141603-21kworker/u16:1+events_unbound21:21:094
924313993331,2cyclictest1141603-21kworker/u16:1+events_unbound21:21:094
924325993231,0cyclictest0-21swapper/723:59:237
924325993231,0cyclictest0-21swapper/723:34:007
924325993231,0cyclictest0-21swapper/721:41:407
924325993230,1cyclictest1633899-21ssh00:23:277
924325993230,1cyclictest1559693-21ssh23:50:477
924325993230,1cyclictest1160917-21diskmemload21:35:367
924315993230,2cyclictest1305603-21kworker/u16:1+events_unbound23:46:565
924315993230,2cyclictest1305603-21kworker/u16:1+events_unbound22:42:175
924315993230,2cyclictest1305603-21kworker/u16:1+events_unbound22:42:175
924315993230,2cyclictest1305603-21kworker/u16:1+events_unbound22:29:565
924313993230,2cyclictest1464749-21kworker/u16:2+events_unbound23:52:364
924313993230,2cyclictest1464749-21kworker/u16:2+events_unbound23:46:214
924313993230,2cyclictest1464749-21kworker/u16:2+events_unbound23:20:174
924313993230,2cyclictest1464749-21kworker/u16:2+events_unbound00:33:444
924313993230,2cyclictest1464749-21kworker/u16:2+events_unbound00:25:324
924313993230,2cyclictest1291295-21kworker/u16:2+events_unbound22:08:094
924313993229,2cyclictest1305603-21kworker/u16:1+events_unbound23:24:164
924325993130,0cyclictest0-21swapper/722:55:097
924325993130,0cyclictest0-21swapper/722:41:367
924325993130,0cyclictest0-21swapper/722:41:367
924325993130,0cyclictest0-21swapper/721:32:097
924319993128,2cyclictest1646607-21kworker/u16:1+flush-8:000:39:136
924315993129,2cyclictest1429012-21kworker/u16:0+events_unbound23:01:455
924315993129,2cyclictest1305603-21kworker/u16:1+events_unbound23:37:295
924315993129,2cyclictest1233827-21kworker/u16:1+events_unbound21:44:045
924313993129,2cyclictest921521-21kworker/u16:2+events_unbound21:25:174
924313993129,2cyclictest1429012-21kworker/u16:0+events_unbound23:43:524
924313993129,2cyclictest1315919-21kworker/u16:4+events_unbound22:42:524
924313993129,2cyclictest1315919-21kworker/u16:4+events_unbound22:42:524
924313993129,2cyclictest1305603-21kworker/u16:1+events_unbound23:12:284
924313993129,2cyclictest1197343-21kworker/u16:3+events_unbound22:02:484
924313993129,2cyclictest1197343-21kworker/u16:3+events_unbound21:53:004
924313993129,2cyclictest1160020-21kworker/u16:0+events_unbound21:16:004
924325993029,0cyclictest0-21swapper/721:48:057
924325993029,0cyclictest0-21swapper/721:09:177
924325993025,3cyclictest5701-21gnome-shell23:26:137
924315993028,2cyclictest1291295-21kworker/u16:2+events_unbound22:02:015
924315993028,2cyclictest1197343-21kworker/u16:3+events_unbound22:58:485
924315993028,2cyclictest1141603-21kworker/u16:1+events_unbound21:27:535
924313993028,2cyclictest1305603-21kworker/u16:1+events_unbound22:18:014
924313993028,2cyclictest1197343-21kworker/u16:3+events_unbound21:45:484
924313993028,2cyclictest1092863-21kworker/u16:4+events_unbound20:42:254
924325992928,0cyclictest0-21swapper/700:39:077
924325992927,1cyclictest1536523-21ssh23:43:007
924315992927,2cyclictest1197343-21kworker/u16:3+events_unbound21:31:445
924313992927,2cyclictest1464749-21kworker/u16:2+events_unbound23:29:174
11824832290,1chrt1182484-21ssh21:14:437
924325992827,0cyclictest0-21swapper/723:37:047
924325992827,0cyclictest0-21swapper/723:12:407
924325992827,0cyclictest0-21swapper/722:52:407
924325992827,0cyclictest0-21swapper/721:20:007
924325992827,0cyclictest0-21swapper/721:20:007
924325992823,4cyclictest1367210-21latency_hist22:34:147
924315992826,2cyclictest938121-21kworker/u16:3+events_unbound19:18:295
924313992826,2cyclictest956149-21kworker/u16:0+events_unbound20:18:254
924313992826,2cyclictest921521-21kworker/u16:2+events_unbound19:32:254
924313992826,2cyclictest1233827-21kworker/u16:1+events_unbound21:40:574
924313992826,2cyclictest1197343-21kworker/u16:3+events_unbound21:36:294
13046262280,1chrt1304627-21ssh22:05:327
924325992726,0cyclictest0-21swapper/700:18:327
924325992725,1cyclictest1160917-21diskmemload22:25:527
924325992725,1cyclictest1160917-21diskmemload22:11:447
924325992625,0cyclictest0-21swapper/722:44:567
924325992625,0cyclictest0-21swapper/722:23:297
924325992625,0cyclictest0-21swapper/719:34:447
924325992623,2cyclictest1451595-21ssh23:07:597
924315992624,2cyclictest921521-21kworker/u16:2+events_unbound20:54:385
924315992624,2cyclictest1197343-21kworker/u16:3+events_unbound21:46:235
924315992623,2cyclictest921521-21kworker/u16:2+events_unbound20:24:185
924313992624,2cyclictest921521-21kworker/u16:2+events_unbound19:55:254
924313992624,2cyclictest921521-21kworker/u16:2+events_unbound19:55:254
924325992524,0cyclictest0-21swapper/723:45:577
924325992524,0cyclictest0-21swapper/723:17:207
924325992524,0cyclictest0-21swapper/721:27:167
924325992523,1cyclictest0-21swapper/700:30:057
924325992522,2cyclictest1571952-21ssh23:56:057
92432599250,23cyclictest648-21systemd-journal20:00:147
924315992523,2cyclictest956149-21kworker/u16:0+events_unbound20:05:505
924315992523,2cyclictest921521-21kworker/u16:2+events_unbound21:06:295
924315992523,2cyclictest921521-21kworker/u16:2+events_unbound19:38:335
924315992523,2cyclictest228696-21kworker/u16:1+events_unbound19:45:295
924325992423,0cyclictest0-21swapper/723:01:007
924325992420,2cyclictest947457-21munin-run19:19:147
924315992321,2cyclictest921521-21kworker/u16:2+events_unbound19:58:385
924315992321,2cyclictest921521-21kworker/u16:2+events_unbound19:58:385
924315992321,2cyclictest921521-21kworker/u16:2+events_unbound19:22:085
924315992321,2cyclictest228696-21kworker/u16:1+events_unbound19:30:285
924315992321,2cyclictest1073829-21kworker/u16:3+events_unbound20:52:295
924315992320,2cyclictest1073829-21kworker/u16:3+events_unbound20:39:215
924313992321,2cyclictest228696-21kworker/u16:1+events_unbound19:35:094
924313992321,2cyclictest1063799-21kworker/u16:1+flush-8:020:29:444
924325992221,0cyclictest0-21swapper/719:54:327
924325992221,0cyclictest0-21swapper/719:54:327
924313992220,2cyclictest1092863-21kworker/u16:4+events_unbound20:59:434
924315992119,2cyclictest956149-21kworker/u16:0+events_unbound19:50:325
924315992119,2cyclictest921521-21kworker/u16:2+events_unbound20:15:505
924315992119,2cyclictest921521-21kworker/u16:2+events_unbound19:27:095
924313992119,2cyclictest921521-21kworker/u16:2+events_unbound20:08:294
924325992019,0cyclictest0-21swapper/722:18:487
924315992018,2cyclictest1073829-21kworker/u16:3+events_unbound20:35:425
924313992018,2cyclictest921521-21kworker/u16:2+events_unbound19:41:304
924319991917,2cyclictest1034701-21kworker/u16:3+flush-8:020:04:306
924315991917,2cyclictest921521-21kworker/u16:2+events_unbound20:11:175
924315991917,2cyclictest1141603-21kworker/u16:1+events_unbound21:00:495
924325991817,0cyclictest0-21swapper/719:29:497
924315991816,2cyclictest921521-21kworker/u16:2+events_unbound20:47:325
924313991816,2cyclictest895039-21kworker/u16:0+events_unbound19:13:284
924325991716,0cyclictest0-21swapper/720:21:407
92432599170,16cyclictest1277-21snmpd19:26:127
924315991715,2cyclictest921521-21kworker/u16:2+events_unbound20:20:225
924315991715,2cyclictest228696-21kworker/u16:1+events_unbound19:10:365
924313991715,2cyclictest956149-21kworker/u16:0+events_unbound20:00:364
924313991715,2cyclictest1063799-21kworker/u16:1+events_unbound20:25:294
924325991615,0cyclictest0-21swapper/700:08:147
924315991614,2cyclictest956149-21kworker/u16:0+events_unbound20:31:325
92432599158,6cyclictest6275-21gmain19:19:367
924325991511,3cyclictest1277-21snmpd20:31:377
924315991513,2cyclictest228696-21kworker/u16:1+events_unbound19:41:215
924313991513,2cyclictest921521-21kworker/u16:2+events_unbound20:12:294
924313991513,2cyclictest228696-21kworker/u16:1+flush-8:019:14:304
924313991513,2cyclictest1092863-21kworker/u16:4+events_unbound20:47:494
924325991412,1cyclictest1005617-21turbostat19:49:147
924325991412,1cyclictest0-21swapper/719:49:297
92432599140,12cyclictest648-21systemd-journal19:09:157
92432599140,12cyclictest1140324-21memory20:54:367
924319991413,1cyclictest0-21swapper/623:12:356
924319991413,1cyclictest0-21swapper/621:09:186
924319991413,1cyclictest0-21swapper/619:42:266
924319991413,1cyclictest0-21swapper/600:24:186
924319991411,2cyclictest1156908-21kthreadcore21:04:346
92431999140,1cyclictest0-21swapper/622:03:416
92431999140,14cyclictest0-21swapper/623:25:406
92431999140,14cyclictest0-21swapper/621:34:316
92431999140,14cyclictest0-21swapper/600:19:356
92431999140,14cyclictest0-21swapper/600:08:046
924313991412,2cyclictest956149-21kworker/u16:0+events_unbound19:24:134
924313991412,2cyclictest921521-21kworker/u16:2+events_unbound20:52:094
92432599136,6cyclictest5994-21gmain20:14:327
924325991312,0cyclictest0-21swapper/720:39:437
924325991310,2cyclictest1282311-21ssh21:59:137
924319991312,1cyclictest0-21swapper/623:40:196
924319991312,1cyclictest0-21swapper/621:44:086
92431999130,13cyclictest0-21swapper/621:16:046
92431999130,13cyclictest0-21swapper/620:43:456
92431999130,13cyclictest0-21swapper/619:29:306
924313991311,2cyclictest956149-21kworker/u16:0+events_unbound19:52:374
924313991311,2cyclictest921521-21kworker/u16:2+events_unbound20:38:174
92432599129,2cyclictest1277-21snmpd20:34:227
92432599129,2cyclictest1277-21snmpd20:07:527
92432599128,3cyclictest1277-21snmpd20:28:437
924325991212,0cyclictest0-21swapper/721:03:207
92431999128,3cyclictest1332183-21cat22:19:296
924319991211,1cyclictest0-21swapper/623:53:246
924319991211,1cyclictest0-21swapper/622:58:426
924319991211,1cyclictest0-21swapper/621:30:066
924319991211,1cyclictest0-21swapper/621:26:296
924319991211,1cyclictest0-21swapper/621:22:516
924319991211,1cyclictest0-21swapper/621:22:516
924319991211,1cyclictest0-21swapper/620:19:296
924319991211,1cyclictest0-21swapper/619:11:046
924319991210,2cyclictest921521-21kworker/u16:2+flush-8:019:34:406
924319991210,1cyclictest0-21swapper/622:14:296
92431999120,1cyclictest0-21swapper/620:46:076
92431999120,12cyclictest0-21swapper/621:02:126
92431999120,12cyclictest0-21swapper/620:10:306
924313991210,2cyclictest921521-21kworker/u16:2+events_unbound20:21:094
924313991210,2cyclictest228696-21kworker/u16:1+events_unbound19:45:214
92432599118,2cyclictest1277-21snmpd23:22:447
92432599118,2cyclictest1277-21snmpd20:49:027
92432599117,3cyclictest1277-21snmpd20:50:087
92432599110,10cyclictest1277-21snmpd21:07:207
92431999119,2cyclictest86-21ksoftirqd/622:39:436
92431999119,2cyclictest86-21ksoftirqd/622:39:436
92431999119,2cyclictest86-21ksoftirqd/600:09:436
92431999118,2cyclictest0-21swapper/623:44:306
924319991110,1cyclictest0-21swapper/620:26:536
924319991110,1cyclictest0-21swapper/620:17:546
924319991110,1cyclictest0-21swapper/619:44:486
92431999110,4cyclictest961567-21grep19:24:336
92431999110,10cyclictest1124937-21kthreadcore20:49:326
92431999110,10cyclictest0-21swapper/619:54:386
92431999110,10cyclictest0-21swapper/619:54:386
92431399119,2cyclictest921521-21kworker/u16:2+events_unbound19:27:074
92431399119,2cyclictest1092863-21kworker/u16:4+events_unbound20:58:214
92432599105,4cyclictest6175-21gvfs-afc-volume19:39:347
92431999106,3cyclictest1470323-21kthreadcore23:14:356
92431999106,3cyclictest1407446-21kthreadcore22:49:356
92431999104,5cyclictest0-21swapper/623:34:346
92431999104,5cyclictest0-21swapper/621:54:356
92431999100,9cyclictest934659-21df_inode19:14:166
92431999100,9cyclictest1582782-21ntpq23:59:406
92431999100,9cyclictest1299651-21kthreadcore22:04:336
92431999100,9cyclictest1101576-21ntpq20:34:386
92431999100,4cyclictest1370639-21cat22:34:336
92431999100,4cyclictest1308882-21kthreadcore22:09:346
92431999100,4cyclictest1253545-21grep21:44:366
92431999100,4cyclictest1083733-21cpuspeed_turbos20:29:276
92431999100,3cyclictest1401056-21timerwakeupswit22:44:426
92431399108,2cyclictest1092863-21kworker/u16:4+events_unbound21:05:484
9243199997,2cyclictest86-21ksoftirqd/622:29:306
9243199997,2cyclictest86-21ksoftirqd/621:49:306
9243199996,2cyclictest1613679-21kthreadcore00:14:326
9243199996,2cyclictest1477662-21perl23:19:286
9243199996,2cyclictest1350061-21grep22:24:346
9243199993,5cyclictest0-21swapper/623:29:336
9243199990,4cyclictest1647082-21cpuspeed_turbos00:29:266
9243199990,4cyclictest1435864-21kthreadcore22:59:366
9243199990,3cyclictest947842-21/usr/sbin/munin19:19:266
9243199990,3cyclictest1564209-21cut23:54:336
9243199983,4cyclictest1006088-21cat19:49:266
9243199980,7cyclictest1132418-21expr20:54:276
9243199980,7cyclictest0-21swapper/619:59:296
9243199980,2cyclictest1441481-21ps23:04:316
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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