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2025-10-16 - 21:42
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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 highest latencies:
System rackbslot1.osadl.org (updated Thu Oct 16, 2025 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18652216191,14sleep10-21swapper/107:06:161
20192213184,18sleep30-21swapper/307:08:113
19852209186,13sleep00-21swapper/007:07:480
19342194165,19sleep20-21swapper/207:07:092
813721380,2sleep37349-21apt-get07:15:043
2384997872,4cyclictest247557-21chrome08:45:020
2392996159,2cyclictest277301-21kworker/u8:0+flush-179:011:45:123
2392996158,2cyclictest49708-21kworker/u8:0+events_unbound08:05:343
238999583,54cyclictest152873-21kworker/u8:3+efi_rts_wq10:23:002
2392995754,2cyclictest39640-21snmp_ryswitch2.07:45:033
2392995754,2cyclictest39640-21snmp_ryswitch2.07:45:033
2392995752,4cyclictest226403-21ChromeDriver00:55:193
2392995652,3cyclictest163770-21latency_hist09:45:013
2387995541,13cyclictest55053-21kworker/u8:3+events_unbound08:05:141
2392995451,2cyclictest277301-21kworker/u8:0+flush-179:012:00:133
2392995448,5cyclictest152873-21kworker/u8:3+events_unbound10:00:213
2384995450,2cyclictest247557-21chrome11:45:030
2780312530,1chrt278000-21snmp_ryswitch.c11:35:040
2392995349,3cyclictest194708-21kworker/u8:1+flush-179:010:35:343
2387995350,2cyclictest210295-21kworker/u8:0+flush-179:010:45:201
2392995249,2cyclictest292907-21kworker/u8:3+flush-179:012:27:243
2387995247,4cyclictest4185592-21kworker/u8:2+events_unbound07:30:131
2384995247,4cyclictest205368-21munin-update10:25:320
2392995148,2cyclictest339730-21kworker/u8:1+events_unbound12:40:013
2392995148,2cyclictest339730-21kworker/u8:1+events_unbound12:40:003
2392995148,2cyclictest236269-21kworker/u8:1+events_unbound11:05:323
2392995148,2cyclictest210295-21kworker/u8:0+events_unbound10:28:323
2389995144,5cyclictest66202-21/usr/share/muni08:10:152
2384995147,3cyclictest122323-21kworker/u8:2+flush-179:009:25:230
2392995046,3cyclictest251736-21kworker/u8:2+flush-179:011:35:293
2389995047,2cyclictest107131-21kworker/u8:1+flush-179:008:55:012
2387995046,3cyclictest288146-21CacheThread_Blo11:45:011
2389994946,2cyclictest18618-21kworker/u8:0+flush-179:007:45:342
2389994943,4cyclictest102118-21chrome08:45:022
2387994942,4cyclictest231122-21kworker/u8:3+flush-179:010:55:101
2387994942,4cyclictest231122-21kworker/u8:3+flush-179:010:55:101
2392994845,2cyclictest152873-21kworker/u8:3+events_unbound09:50:123
2392994845,2cyclictest152873-21kworker/u8:3+events_unbound09:50:123
2392994844,3cyclictest55251-21/usr/share/muni08:00:073
2389994838,9cyclictest236269-21kworker/u8:1+flush-179:011:17:302
238799487,40cyclictest0-21swapper/109:30:051
2387994843,4cyclictest169343-21/usr/share/muni09:50:051
2387994843,4cyclictest169343-21/usr/share/muni09:50:041
2387994842,4cyclictest247560-21ThreadPoolForeg08:40:241
2387994839,8cyclictest236269-21kworker/u8:1+flush-179:011:00:171
2392994745,2cyclictest49708-21kworker/u8:0+events_unbound08:25:173
2392994745,2cyclictest313345-21kworker/u8:4+events_unbound12:30:343
2392994745,2cyclictest236269-21kworker/u8:1+events_unbound10:55:363
2392994745,2cyclictest236269-21kworker/u8:1+events_unbound10:55:353
2392994745,2cyclictest122323-21kworker/u8:2+flush-179:009:15:323
2392994744,2cyclictest194708-21kworker/u8:1+events_unbound10:40:363
2392994742,4cyclictest138113-21/usr/share/muni09:20:193
2392994710,37cyclictest194708-21kworker/u8:1+efi_rts_wq10:22:573
2387994743,3cyclictest95942-21kworker/u8:0+flush-179:008:51:391
2384994744,2cyclictest18618-21kworker/u8:0+flush-179:007:45:010
2384994744,2cyclictest18618-21kworker/u8:0+flush-179:007:45:010
2392994644,2cyclictest122323-21kworker/u8:2+flush-179:009:10:273
2392994643,2cyclictest292907-21kworker/u8:3+flush-179:011:55:293
2389994642,3cyclictest122323-21kworker/u8:2+flush-179:009:10:332
2389994637,1cyclictest215859-21kworker/2:0+pm11:01:382
2384994642,2cyclictest4057950-1kworker/0:1H+kblockd08:24:140
2384994637,8cyclictest1876-21kworker/0:2+pm09:02:350
2392994542,2cyclictest220921-21kworker/u8:2+events_unbound10:50:283
2392994541,3cyclictest87034-21kworker/u8:3+flush-179:008:55:223
2392994541,3cyclictest277301-21kworker/u8:0+events_unbound12:05:053
2392994541,3cyclictest277301-21kworker/u8:0+events_unbound12:05:043
2392994541,3cyclictest11304-21kworker/u8:3+flush-179:007:25:313
2389994540,4cyclictest256849-21kworker/u8:4+flush-179:011:40:162
2387994540,3cyclictest256849-21kworker/u8:4+flush-179:011:25:091
2392994441,3cyclictest178980-21kworker/u8:2+flush-179:010:15:273
2392994441,2cyclictest4170109-21kworker/u8:0+flush-179:007:10:233
2392994441,2cyclictest236269-21kworker/u8:1+flush-179:011:20:313
2392994441,2cyclictest122323-21kworker/u8:2+flush-179:009:05:103
2392994440,3cyclictest2275-21kworker/u8:1+flush-179:007:45:103
2392994440,3cyclictest152873-21kworker/u8:3+flush-179:009:34:443
2392994426,17cyclictest3669806-1kworker/3:2H+kblockd07:32:443
2387994439,4cyclictest247560-21ThreadPoolForeg09:14:291
2387994439,4cyclictest178980-21kworker/u8:2+flush-179:010:10:141
2392994341,2cyclictest87034-21kworker/u8:3+flush-179:008:35:093
2392994340,2cyclictest95942-21kworker/u8:0+events_unbound09:00:243
2392994340,2cyclictest44495-21kworker/u8:3+flush-179:007:52:193
2392994340,2cyclictest4185592-21kworker/u8:2+events_unbound07:35:143
2392994339,3cyclictest152873-21kworker/u8:3+events_unbound09:35:073
2392994337,6cyclictest292907-21kworker/u8:3+flush-179:011:50:273
2389994338,4cyclictest253593-21ntpq11:10:132
2384994333,2cyclictest257550-1kworker/0:0H+kblockd12:16:110
2392994239,2cyclictest313345-21kworker/u8:4+flush-179:012:20:313
2392994238,3cyclictest277301-21kworker/u8:0+flush-179:011:44:443
2392994238,3cyclictest210295-21kworker/u8:0+flush-179:011:00:123
2389994237,4cyclictest294651-21apt-get11:50:142
2384994238,3cyclictest230900-31munin-html10:45:520
2392994137,3cyclictest251736-21kworker/u8:2+events_unbound11:33:553
2392994136,3cyclictest55053-21kworker/u8:3+events_unbound08:18:483
2392994135,5cyclictest236269-21kworker/u8:1+events_unbound11:19:263
2389994138,2cyclictest4180872-21kworker/2:3+pm07:14:062
2389994138,2cyclictest13545-21kworker/2:1+pm07:50:072
2389994128,12cyclictest4180872-21kworker/2:3+pm07:15:162
238799415,35cyclictest0-21swapper/109:17:011
2387994135,4cyclictest340247-21/usr/share/muni12:35:191
2387994135,4cyclictest340247-21/usr/share/muni12:35:181
2384994138,2cyclictest4057950-1kworker/0:1H+kblockd07:35:160
2392994037,3cyclictest95942-21kworker/u8:0+flush-179:008:40:543
2392994037,3cyclictest205164-21kworker/u8:2+events_unbound10:30:233
2392994037,2cyclictest158579-21kworker/3:2+pm10:11:593
2392994036,3cyclictest267679-21/usr/share/muni11:25:103
2389994038,1cyclictest54649-21kworker/2:0+pm08:00:542
2389994037,2cyclictest81225-21kworker/2:2+pm09:16:392
2389994037,2cyclictest288390-21kworker/2:1+pm12:07:442
2389994037,2cyclictest288390-21kworker/2:1+pm12:07:442
2389994037,2cyclictest13545-21kworker/2:1+pm07:42:142
2389994037,2cyclictest13545-21kworker/2:1+pm07:42:142
2389994037,2cyclictest13545-21kworker/2:1+pm07:34:142
2389994036,2cyclictest81225-21kworker/2:2+pm09:03:312
2387994036,3cyclictest236269-21kworker/u8:1+flush-179:011:05:191
2387994034,4cyclictest205164-21kworker/u8:2+flush-179:010:30:311
946542390,1chrt94655-21wget08:35:220
2392993936,3cyclictest142785-21kworker/u8:0+flush-179:010:05:223
2392993936,2cyclictest66460-21kworker/u8:2+flush-179:008:20:273
2392993936,2cyclictest49708-21kworker/u8:0+events_unbound08:14:423
2392993935,2cyclictest247545-13VizCompositorTh09:45:023
2392993934,4cyclictest313345-21kworker/u8:4+events_unbound12:18:423
2389993937,1cyclictest81225-21kworker/2:2+pm10:36:462
2389993937,1cyclictest81225-21kworker/2:2+pm10:25:332
2389993937,1cyclictest81225-21kworker/2:2+pm10:14:092
2389993937,1cyclictest81225-21kworker/2:2+pm09:40:162
2389993937,1cyclictest324360-21kworker/2:2+pm12:30:042
2389993937,1cyclictest324360-21kworker/2:2+pm12:20:502
2389993937,1cyclictest13545-21kworker/2:1+pm07:56:332
2389993936,2cyclictest81225-21kworker/2:2+pm10:30:072
2389993936,2cyclictest81225-21kworker/2:2+pm09:55:162
2389993936,2cyclictest81225-21kworker/2:2+pm09:36:182
2389993936,2cyclictest81225-21kworker/2:2+pm09:30:012
2389993936,2cyclictest81225-21kworker/2:2+pm08:30:042
2387993935,3cyclictest313345-21kworker/u8:4+flush-179:012:16:561
2387993935,3cyclictest18618-21kworker/u8:0+flush-179:007:40:241
2387993935,3cyclictest18618-21kworker/u8:0+flush-179:007:40:241
2387993933,4cyclictest123940-21ntpq09:05:131
2387993924,2cyclictest236269-21kworker/u8:1+flush-179:011:10:161
2384993937,1cyclictest205148-21fwupd10:22:590
2384993936,2cyclictest4057950-1kworker/0:1H+kblockd10:43:290
2384993936,2cyclictest257550-1kworker/0:0H+kblockd11:57:300
2384993934,4cyclictest142785-21kworker/u8:0+events_unbound10:05:010
2392993835,2cyclictest142785-21kworker/u8:0+events_unbound09:55:283
2389993836,1cyclictest81225-21kworker/2:2+pm10:17:252
2389993836,1cyclictest81225-21kworker/2:2+pm09:51:252
2389993836,1cyclictest81225-21kworker/2:2+pm09:51:252
2389993836,1cyclictest81225-21kworker/2:2+pm08:56:362
2389993836,1cyclictest81225-21kworker/2:2+pm08:28:042
2389993836,1cyclictest288390-21kworker/2:1+pm12:15:222
2389993836,1cyclictest215859-21kworker/2:0+pm11:31:542
2389993836,1cyclictest215859-21kworker/2:0+pm11:20:152
2389993836,1cyclictest215859-21kworker/2:0+pm10:52:042
2389993836,1cyclictest215859-21kworker/2:0+pm10:46:192
2389993835,2cyclictest215859-21kworker/2:0+pm11:35:142
2389993833,4cyclictest308125-31munin-graph12:01:512
2389993826,1cyclictest324360-21kworker/2:2+pm12:37:102
2389993826,1cyclictest324360-21kworker/2:2+pm12:37:092
2389993816,21cyclictest147646-31munin-html09:25:492
238999381,14cyclictest247545-13VizCompositorTh10:05:412
2387993836,1cyclictest329444-21kworker/1:0+pm12:31:581
2387993836,1cyclictest137898-21kworker/1:3+pm09:57:181
2387993834,3cyclictest4037271-1kworker/1:2H+kblockd10:53:141
2387993834,3cyclictest277301-21kworker/u8:0+flush-179:011:55:061
2387993834,2cyclictest4037271-1kworker/1:2H+kblockd07:55:061
2384993835,2cyclictest303578-21kworker/0:2+pm12:22:590
2384993834,3cyclictest308243-21kworker/u8:2+flush-179:012:04:430
238499381,36cyclictest247545-13VizCompositorTh08:30:340
2174362380,0chrt217398-21apt-get10:35:130
2392993734,2cyclictest95942-21kworker/u8:0+events_unbound08:45:093
2392993733,3cyclictest49708-21kworker/u8:0+events_unbound07:58:533
2392993733,3cyclictest18618-21kworker/u8:0+events_unbound07:23:423
2392993733,3cyclictest122323-21kworker/u8:2+events_unbound09:25:143
2389993735,1cyclictest81225-21kworker/2:2+pm08:40:042
2389993735,1cyclictest65374-21kworker/2:1+pm08:15:242
2389993735,1cyclictest54649-21kworker/2:0+pm08:06:302
2389993735,1cyclictest288390-21kworker/2:1+pm11:45:262
2389993735,1cyclictest13545-21kworker/2:1+pm07:23:462
2389993734,2cyclictest81225-21kworker/2:2+pm09:20:322
2389993734,2cyclictest3592486-1kworker/2:2H+kblockd12:12:432
2389993734,2cyclictest3592486-1kworker/2:2H+kblockd10:00:072
2389993734,2cyclictest215859-21kworker/2:0+pm11:05:242
2389993734,2cyclictest13545-21kworker/2:1+pm07:35:042
2389993734,2cyclictest13545-21kworker/2:1+pm07:25:072
2389993733,2cyclictest324360-21kworker/2:2+pm12:25:042
2387993735,1cyclictest137898-21kworker/1:3+pm10:07:491
2387993734,2cyclictest4037271-1kworker/1:2H+kblockd11:31:071
2387993734,2cyclictest4037271-1kworker/1:2H+kblockd11:18:391
2387993734,2cyclictest4037271-1kworker/1:2H+kblockd10:17:341
2387993734,2cyclictest4037271-1kworker/1:2H+kblockd09:40:041
2387993734,2cyclictest4037271-1kworker/1:2H+kblockd08:28:141
2387993734,2cyclictest4037271-1kworker/1:2H+kblockd07:20:331
2387993733,3cyclictest210295-21kworker/u8:0+flush-179:010:40:481
2387993733,2cyclictest4037271-1kworker/1:2H+kblockd09:45:051
2387993733,2cyclictest329444-21kworker/1:0+pm12:25:281
2387993732,3cyclictest95942-21kworker/u8:0+events_unbound09:00:201
2387993728,8cyclictest313345-21kworker/u8:4+events_unbound12:20:201
2384993735,1cyclictest132550-21kworker/0:0+pm09:18:430
2384993734,2cyclictest4057950-1kworker/0:1H+kblockd08:50:330
2384993734,2cyclictest4057950-1kworker/0:1H+kblockd07:57:490
2384993734,2cyclictest257550-1kworker/0:0H+kblockd11:15:140
2384993733,2cyclictest4057950-1kworker/0:1H+kblockd07:20:570
2384993731,4cyclictest67477-21apt-get08:10:130
2392993632,3cyclictest95942-21kworker/u8:0+events_unbound08:53:213
2392993632,3cyclictest251736-21kworker/u8:2+flush-179:011:11:023
2392993631,3cyclictest3669806-1kworker/3:2H+kblockd08:34:143
2389993634,1cyclictest81225-21kworker/2:2+pm08:36:212
2389993634,1cyclictest65374-21kworker/2:1+pm08:22:062
2389993634,1cyclictest215859-21kworker/2:0+pm10:56:102
2389993634,1cyclictest215859-21kworker/2:0+pm10:56:102
2389993633,2cyclictest215859-21kworker/2:0+pm10:41:142
2387993632,3cyclictest55053-21kworker/u8:3+events_unbound08:15:171
2384993634,1cyclictest4057950-1kworker/0:1H+kblockd10:17:070
2384993634,1cyclictest4057950-1kworker/0:1H+kblockd09:50:240
2384993634,1cyclictest4057950-1kworker/0:1H+kblockd09:50:240
2384993634,1cyclictest4057950-1kworker/0:1H+kblockd09:45:260
2384993634,1cyclictest4057950-1kworker/0:1H+kblockd08:15:240
2384993634,1cyclictest4057950-1kworker/0:1H+kblockd07:49:500
2384993634,1cyclictest4057950-1kworker/0:1H+kblockd07:18:140
2384993633,2cyclictest4057950-1kworker/0:1H+kblockd11:03:090
2384993633,2cyclictest4057950-1kworker/0:1H+kblockd10:09:160
2384993633,2cyclictest4057950-1kworker/0:1H+kblockd09:09:540
2384993633,2cyclictest4057950-1kworker/0:1H+kblockd08:58:590
2384993633,2cyclictest4057950-1kworker/0:1H+kblockd08:29:190
2384993633,2cyclictest4057950-1kworker/0:1H+kblockd07:53:440
2384993633,2cyclictest4057950-1kworker/0:1H+kblockd07:33:010
2384993633,2cyclictest4057950-1kworker/0:1H+kblockd07:12:090
2384993633,2cyclictest257550-1kworker/0:0H+kblockd12:39:190
2384993633,2cyclictest257550-1kworker/0:0H+kblockd12:39:190
2384993633,2cyclictest257550-1kworker/0:0H+kblockd12:06:130
2384993633,2cyclictest257550-1kworker/0:0H+kblockd12:06:120
2384993632,3cyclictest256849-21kworker/u8:4+flush-179:011:40:150
2392993533,1cyclictest3669806-1kworker/3:2H+kblockd12:13:423
2389993533,1cyclictest215859-21kworker/2:0+pm11:25:042
2389993532,2cyclictest3592486-1kworker/2:2H+kblockd09:45:042
2389993532,2cyclictest288390-21kworker/2:1+pm11:58:592
2387993533,1cyclictest96415-21kworker/1:2+pm08:48:391
2387993533,1cyclictest4037271-1kworker/1:2H+kblockd08:00:541
2387993532,2cyclictest4037271-1kworker/1:2H+kblockd12:00:141
2387993532,2cyclictest4037271-1kworker/1:2H+kblockd07:37:141
2387993528,6cyclictest153723-21/usr/share/muni09:35:011
2384993533,1cyclictest4057950-1kworker/0:1H+kblockd10:57:370
2384993533,1cyclictest4057950-1kworker/0:1H+kblockd10:57:370
2384993533,1cyclictest303578-21kworker/0:2+pm12:34:240
2384993533,1cyclictest231168-21kworker/0:0+pm11:28:450
2384993533,1cyclictest168873-21kworker/0:2+pm10:32:100
2384993532,2cyclictest257550-1kworker/0:0H+kblockd12:14:590
2384993532,2cyclictest257550-1kworker/0:0H+kblockd11:30:030
2384993531,2cyclictest4057950-1kworker/0:1H+kblockd11:05:230
2387993432,1cyclictest49621-21kworker/1:0+pm08:22:191
2387993431,2cyclictest4037271-1kworker/1:2H+kblockd07:45:171
2387993430,3cyclictest4037271-1kworker/1:2H+kblockd12:05:041
2387993430,3cyclictest4037271-1kworker/1:2H+kblockd12:05:041
2387993430,3cyclictest2275-21kworker/u8:1+flush-179:007:15:181
2387993430,2cyclictest1260-21snmpd10:25:351
2387993429,4cyclictest4037271-1kworker/1:2H+kblockd11:53:081
2387993429,4cyclictest144868-21cat09:25:161
2387993428,4cyclictest247560-21ThreadPoolForeg07:13:041
2387993427,5cyclictest179860-21/usr/share/muni10:00:021
2387993419,13cyclictest1260-21snmpd07:28:401
2384993432,1cyclictest4057950-1kworker/0:1H+kblockd10:51:430
2384993432,1cyclictest257550-1kworker/0:0H+kblockd11:21:140
2384993431,2cyclictest4057950-1kworker/0:1H+kblockd09:10:090
2384993431,2cyclictest4057950-1kworker/0:1H+kblockd08:05:140
2384993431,2cyclictest257550-1kworker/0:0H+kblockd11:55:010
2389993331,1cyclictest81225-21kworker/2:2+pm09:06:492
2387993330,2cyclictest4037271-1kworker/1:2H+kblockd08:36:331
2387993329,3cyclictest236269-21kworker/u8:1+events_unbound11:20:151
238799330,2cyclictest247560-21ThreadPoolForeg11:35:251
2384993331,1cyclictest4057950-1kworker/0:1H+kblockd11:12:390
2384993331,1cyclictest132550-21kworker/0:0+pm09:42:440
2384993329,3cyclictest4057950-1kworker/0:1H+kblockd09:55:450
2387993230,1cyclictest1260-21snmpd08:34:211
2387993230,1cyclictest1260-21snmpd07:51:351
2387993230,1cyclictest105470-21isc-net-000010:23:231
2387993230,1cyclictest105470-21isc-net-000008:14:231
2387993225,5cyclictest216215-21/usr/share/muni10:35:021
2387993218,13cyclictest308243-21kworker/u8:2+events_unbound12:12:421
2384993230,1cyclictest1260-21snmpd10:12:260
2384993230,1cyclictest1260-21snmpd09:36:040
2384993229,2cyclictest1260-21snmpd08:00:260
2387993129,1cyclictest4037271-1kworker/1:2H+kblockd11:40:021
2387993129,1cyclictest1260-21snmpd09:21:401
2384993129,1cyclictest4057950-1kworker/0:1H+kblockd09:20:520
2384993129,1cyclictest1260-21snmpd07:25:130
2384993129,1cyclictest105470-21isc-net-000009:32:230
2384993119,11cyclictest1260-21snmpd08:41:240
2387992924,4cyclictest0-21swapper/108:55:251
2384992928,1cyclictest257550-1kworker/0:0H+kblockd12:28:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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