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2025-09-15 - 22:43
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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 Mon Sep 15, 2025 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1895362212183,19sleep30-21swapper/307:07:093
1896472205181,14sleep20-21swapper/207:08:292
1870162203184,11sleep10-21swapper/107:05:191
1896972201178,13sleep00-21swapper/007:09:020
189993996854,13cyclictest402512-21kworker/u8:4+events_unbound10:35:092
189993996157,3cyclictest433465-21kworker/u8:0+flush-179:012:20:082
189993996056,2cyclictest227536-21snmp_wanpowerct07:45:022
189989995956,2cyclictest227476-21/usr/share/muni07:45:021
189989995853,3cyclictest471567-21kworker/u8:2+events_unbound12:30:301
189989995752,3cyclictest480339-21kworker/u8:4+events_unbound11:55:131
189989995651,3cyclictest211888-21/usr/share/muni07:30:141
189989995551,3cyclictest471567-21kworker/u8:2+events_unbound11:40:201
189989995551,3cyclictest433465-21kworker/u8:0+events_unbound11:17:011
189985995553,1cyclictest289910-21snmp_areswitch.08:45:020
189998995451,1cyclictest475577-21snmp_wanswitch.11:45:033
189989995451,2cyclictest340872-21kworker/u8:1+flush-179:010:00:201
189989995450,3cyclictest340872-21kworker/u8:1+flush-179:010:40:371
189989995450,3cyclictest227882-21kworker/u8:4+events_unbound08:05:321
189985995449,4cyclictest270668-21apt-get08:25:140
189993995349,3cyclictest304980-21kworker/u8:0+events_unbound09:15:312
189993995249,3cyclictest433465-21kworker/u8:0+events_unbound11:25:292
189993995248,3cyclictest227882-21kworker/u8:4+flush-179:007:55:392
189989995249,3cyclictest428321-21kworker/u8:2+events_unbound11:05:271
189989995248,3cyclictest263674-21kworker/u8:1+events_unbound08:50:151
189989995246,4cyclictest206204-21munin-update07:25:041
189998995044,5cyclictest211896-21/usr/share/muni07:30:123
189993995047,2cyclictest514011-21kworker/u8:1+flush-179:012:35:202
189989995047,2cyclictest514011-21kworker/u8:1+events_unbound12:35:161
189989995046,3cyclictest290103-21kworker/u8:2+events_unbound09:00:161
189989995045,4cyclictest383916-21apt-get10:15:141
189993994945,3cyclictest340872-21kworker/u8:1+events_unbound10:09:472
189989994946,2cyclictest325662-21kworker/u8:3+flush-179:009:35:231
189985994944,4cyclictest247516-21Chrome_ChildIOT07:35:390
189993994845,2cyclictest206251-21kworker/u8:0+events_unbound07:35:092
189993994844,3cyclictest340872-21kworker/u8:1+flush-179:010:40:162
189993994844,2cyclictest407810-21kworker/u8:0+flush-179:010:50:182
189989994844,3cyclictest206251-21kworker/u8:0+events_unbound08:10:141
189989994837,10cyclictest351602-21kworker/u8:2+events_unbound10:05:061
18998999480,47cyclictest271rcuc/110:50:091
189998994744,2cyclictest227882-21kworker/u8:4+flush-179:007:46:103
189993994743,3cyclictest87485-21kworker/u8:2+flush-179:007:49:442
189993994743,3cyclictest480339-21kworker/u8:4+events_unbound11:50:002
189993994741,4cyclictest505871-21ntpq12:15:172
189993994735,1cyclictest194811-21kworker/2:2+pm07:29:002
189989994744,2cyclictest87485-21kworker/u8:2+events_unbound08:15:091
189989994744,2cyclictest464109-21kworker/u8:1+flush-179:011:45:091
189989994743,3cyclictest340872-21kworker/u8:1+events_unbound10:10:271
189998994613,32cyclictest0-21swapper/307:42:233
189993994644,2cyclictest340872-21kworker/u8:1+events_unbound09:50:302
189993994643,2cyclictest471567-21kworker/u8:2+flush-179:012:13:392
189993994642,3cyclictest304980-21kworker/u8:0+events_unbound09:40:172
189993994642,3cyclictest279027-21kworker/u8:3+events_unbound08:35:082
189993994640,3cyclictest279027-21kworker/u8:3+flush-179:008:40:302
189989994644,2cyclictest189832-21kworker/u8:0+events_unbound07:10:301
189989994643,2cyclictest290103-21kworker/u8:2+events_unbound09:25:501
189989994643,2cyclictest227881-21kworker/u8:3+events_unbound07:45:261
189989994642,3cyclictest309843-21kworker/u8:4+events_unbound09:20:011
189989994642,3cyclictest227882-21kworker/u8:4+events_unbound08:04:111
189989994642,3cyclictest206251-21kworker/u8:0+events_unbound07:55:091
189989994640,3cyclictest340872-21kworker/u8:1+events_unbound11:00:091
189985994629,15cyclictest433710-21munin-update11:05:050
189993994543,2cyclictest290103-21kworker/u8:2+events_unbound09:34:202
189993994542,2cyclictest194811-21kworker/2:2+pm08:20:042
189989994543,2cyclictest433465-21kworker/u8:0+flush-179:012:20:111
189989994541,3cyclictest309843-21kworker/u8:4+events_unbound09:09:121
189989994529,15cyclictest351602-21kworker/u8:2+flush-179:009:51:111
189985994542,2cyclictest402512-21kworker/u8:4+flush-179:010:42:160
189993994441,2cyclictest433465-21kworker/u8:0+events_unbound11:25:002
189993994441,2cyclictest407810-21kworker/u8:0+flush-179:010:45:292
189993994441,2cyclictest402512-21kworker/u8:4+events_unbound10:58:422
189993994440,3cyclictest290103-21kworker/u8:2+events_unbound09:20:332
189989994440,3cyclictest284142-21kworker/u8:0+flush-179:008:40:271
189985994437,5cyclictest464632-21/usr/share/muni11:35:130
3361392430,1chrt336122-21snmp_areswitch.09:30:043
189998994339,3cyclictest371765-21kworker/u8:0+flush-179:010:05:173
189998994339,3cyclictest195252-21/usr/share/muni07:15:103
189998994338,4cyclictest464207-21kworker/u8:4+flush-179:011:35:123
189993994341,2cyclictest351602-21kworker/u8:2+flush-179:010:20:112
189993994340,2cyclictest351602-21kworker/u8:2+flush-179:010:30:322
189993994339,3cyclictest87485-21kworker/u8:2+flush-179:008:25:332
189993994339,3cyclictest340872-21kworker/u8:1+events_unbound09:45:272
189993994338,2cyclictest428321-21kworker/u8:2+flush-179:011:05:242
189993994338,2cyclictest325662-21kworker/u8:3+events_unbound09:35:082
189993994319,3cyclictest279027-21kworker/u8:3+flush-179:008:45:062
189989994340,2cyclictest433465-21kworker/u8:0+flush-179:011:25:201
189989994340,2cyclictest402512-21kworker/u8:4+flush-179:010:45:201
189989994340,2cyclictest227882-21kworker/u8:4+flush-179:008:30:271
189989994339,3cyclictest304980-21kworker/u8:0+flush-179:009:31:061
189989994330,10cyclictest433465-21kworker/u8:0+events_unbound11:32:281
189985994339,2cyclictest4193241-1kworker/0:0H+kblockd07:21:140
189998994238,3cyclictest76405-21systemd-journal12:20:013
189993994240,2cyclictest433465-21kworker/u8:0+flush-179:011:55:042
189993994239,2cyclictest290103-21kworker/u8:2+events_unbound08:51:252
189993994238,3cyclictest438734-21kworker/u8:3+events_unbound11:15:082
189993994238,3cyclictest314552-21munin-limits09:05:342
189993994238,3cyclictest206251-21kworker/u8:0+events_unbound08:00:192
189993994236,4cyclictest485193-31munin-html11:50:342
189989994239,2cyclictest438734-21kworker/u8:3+events_unbound11:11:561
189989994238,3cyclictest433465-21kworker/u8:0+events_unbound12:15:321
189989994235,5cyclictest217052-21/usr/share/muni07:35:031
189998994138,2cyclictest289926-21snmp_wanswitch.08:45:023
189993994138,2cyclictest356559-21kworker/2:2+pm10:11:322
189993994138,2cyclictest290103-21kworker/u8:2+events_unbound09:10:292
189993994138,2cyclictest206251-21kworker/u8:0+events_unbound07:30:072
189993994137,3cyclictest464109-21kworker/u8:1+events_unbound11:40:362
189993994137,3cyclictest259040-21/usr/share/muni08:15:032
189993994137,2cyclictest394191-21kworker/2:0+pm11:10:572
189993994137,2cyclictest194811-21kworker/2:2+pm07:19:502
189993994136,4cyclictest459522-21/usr/share/muni11:30:132
189993994136,4cyclictest387273-21kworker/u8:3+flush-179:010:25:152
189989994138,3cyclictest471567-21kworker/u8:2+events_unbound12:25:311
189989994138,2cyclictest480339-21kworker/u8:4+events_unbound12:00:131
189989994138,2cyclictest402512-21kworker/u8:4+events_unbound10:55:301
189989994137,3cyclictest387273-21kworker/u8:3+flush-179:010:30:271
189989994137,3cyclictest351602-21kworker/u8:2+flush-179:009:47:051
189985994135,4cyclictest513707-31munin-html12:20:340
189985994135,4cyclictest367224-21/usr/share/muni10:00:130
18999899405,34cyclictest0-21swapper/310:22:143
189998994037,2cyclictest206251-21kworker/u8:0+flush-179:007:35:543
189993994037,2cyclictest480339-21kworker/u8:4+flush-179:012:30:202
189993994037,2cyclictest340872-21kworker/u8:1+events_unbound09:55:302
189993994037,2cyclictest340872-21kworker/u8:1+events_unbound09:55:302
189993994036,3cyclictest304980-21kworker/u8:0+events_unbound09:25:262
189989994037,2cyclictest464207-21kworker/u8:4+events_unbound11:35:271
189989994036,3cyclictest340872-21kworker/u8:1+events_unbound10:39:211
189985994037,2cyclictest4193241-1kworker/0:0H+kblockd10:50:560
189985994035,3cyclictest258457-21munin-update08:15:320
189985994032,7cyclictest247515-21ThreadPoolForeg09:05:240
189998993937,1cyclictest413187-21kworker/3:2+pm11:22:393
189998993937,1cyclictest274359-21kworker/3:1+pm08:33:393
189998993936,2cyclictest248302-21kworker/3:0+pm08:12:493
189998993935,3cyclictest471567-21kworker/u8:2+flush-179:011:50:163
18999899393,35cyclictest0-21swapper/310:44:243
189993993937,1cyclictest194811-21kworker/2:2+pm08:10:242
189993993935,3cyclictest227882-21kworker/u8:4+flush-179:007:53:442
189993993934,3cyclictest464109-21kworker/u8:1+events_unbound11:35:012
189989993936,2cyclictest304980-21kworker/u8:0+events_unbound09:20:171
189989993935,3cyclictest227882-21kworker/u8:4+events_unbound07:50:221
189985993936,2cyclictest4193241-1kworker/0:0H+kblockd09:45:100
189985993931,7cyclictest428841-21/usr/share/muni11:00:170
189985993924,13cyclictest105470-21isc-net-000009:53:370
189998993835,2cyclictest351602-21kworker/u8:2+flush-179:010:35:003
189998993834,3cyclictest87485-21kworker/u8:2+flush-179:008:25:293
189998993832,5cyclictest382604-21/usr/share/muni10:15:023
189998993827,10cyclictest2894820-1kworker/3:0H+kblockd09:42:243
189993993837,1cyclictest394191-21kworker/2:0+pm11:02:462
189993993836,1cyclictest394191-21kworker/2:0+pm12:05:272
189993993836,1cyclictest194811-21kworker/2:2+pm08:56:242
189993993835,2cyclictest394191-21kworker/2:0+pm12:25:032
189993993835,2cyclictest194811-21kworker/2:2+pm08:06:122
189993993834,3cyclictest87485-21kworker/u8:2+events_unbound08:30:132
189993993834,3cyclictest340872-21kworker/u8:1+events_unbound10:19:452
189993993834,3cyclictest160336-21kworker/u8:3+flush-179:007:23:442
189993993812,25cyclictest309825-31munin-html09:00:422
189989993836,1cyclictest474898-21kworker/1:0+pm12:14:471
189989993835,2cyclictest290103-21kworker/u8:2+flush-179:008:48:301
189989993834,3cyclictest325662-21kworker/u8:3+flush-179:009:40:351
189985993834,3cyclictest471567-21kworker/u8:2+flush-179:011:48:390
189985993834,3cyclictest402512-21kworker/u8:4+flush-179:010:37:390
189985993834,3cyclictest290103-21kworker/u8:2+flush-179:009:04:570
189985993826,1cyclictest105470-21isc-net-000011:51:370
189998993735,1cyclictest274359-21kworker/3:1+pm08:37:343
189998993734,2cyclictest483119-1kworker/3:2H+kblockd12:37:043
189998993734,2cyclictest2894820-1kworker/3:0H+kblockd11:34:403
189998993734,2cyclictest2894820-1kworker/3:0H+kblockd10:51:103
189998993734,2cyclictest248302-21kworker/3:0+pm08:23:093
18999899371,7cyclictest247516-21Chrome_ChildIOT09:47:433
189993993735,1cyclictest356559-21kworker/2:2+pm10:03:082
189993993734,2cyclictest95851-1kworker/2:1H+kblockd07:12:242
189993993733,3cyclictest471567-21kworker/u8:2+flush-179:012:04:532
189989993734,2cyclictest3558072-1kworker/1:2H+kblockd10:23:591
189989993734,2cyclictest3558072-1kworker/1:2H+kblockd09:15:001
189989993733,3cyclictest471567-21kworker/u8:2+flush-179:011:53:421
189989993732,3cyclictest279027-21kworker/u8:3+events_unbound08:38:271
189989993731,5cyclictest268807-31munin-graph08:21:091
189985993735,1cyclictest4193241-1kworker/0:0H+kblockd08:35:310
189985993734,2cyclictest4193241-1kworker/0:0H+kblockd12:16:590
189985993734,2cyclictest4193241-1kworker/0:0H+kblockd10:32:190
189985993734,2cyclictest4193241-1kworker/0:0H+kblockd09:31:090
189985993734,2cyclictest4193241-1kworker/0:0H+kblockd07:34:510
189985993733,3cyclictest438734-21kworker/u8:3+events_unbound11:10:130
189985993733,3cyclictest4193241-1kworker/0:0H+kblockd07:28:490
189985993732,3cyclictest195273-21/usr/share/muni07:15:210
189998993634,1cyclictest2894820-1kworker/3:0H+kblockd10:35:473
189998993634,1cyclictest2894820-1kworker/3:0H+kblockd10:12:143
189998993634,1cyclictest2894820-1kworker/3:0H+kblockd07:27:113
189998993633,2cyclictest2894820-1kworker/3:0H+kblockd09:54:493
189998993633,2cyclictest2894820-1kworker/3:0H+kblockd09:35:553
189998993633,2cyclictest2894820-1kworker/3:0H+kblockd08:17:393
189998993630,5cyclictest509500-21/usr/share/muni12:20:033
189989993634,1cyclictest3558072-1kworker/1:2H+kblockd07:21:011
189989993633,2cyclictest351602-21kworker/u8:2+events_unbound09:59:381
189989993633,2cyclictest351602-21kworker/u8:2+events_unbound09:59:381
189989993632,3cyclictest387273-21kworker/u8:3+events_unbound10:25:221
189989993632,3cyclictest206251-21kworker/u8:0+events_unbound08:25:251
189989993631,3cyclictest3558072-1kworker/1:2H+kblockd12:05:121
189985993634,1cyclictest469374-21kworker/0:2+pm12:13:040
189985993634,1cyclictest4193241-1kworker/0:0H+kblockd12:06:220
189985993634,1cyclictest4193241-1kworker/0:0H+kblockd11:32:140
189985993634,1cyclictest4193241-1kworker/0:0H+kblockd11:17:230
189985993634,1cyclictest4193241-1kworker/0:0H+kblockd08:41:580
189985993633,2cyclictest524318-21kworker/u8:0+flush-179:012:33:440
189985993633,2cyclictest4193241-1kworker/0:0H+kblockd11:27:430
189985993633,2cyclictest4193241-1kworker/0:0H+kblockd10:45:070
189985993633,2cyclictest4193241-1kworker/0:0H+kblockd10:26:490
189985993633,2cyclictest4193241-1kworker/0:0H+kblockd09:29:540
189985993633,2cyclictest4193241-1kworker/0:0H+kblockd09:20:060
189985993633,2cyclictest4193241-1kworker/0:0H+kblockd08:00:340
189985993633,2cyclictest294854-21kworker/0:0+pm08:52:240
189985993632,3cyclictest229571-21ThreadPoolForeg07:45:170
189985993630,5cyclictest366408-31munin-html09:55:350
189985993630,5cyclictest366408-31munin-html09:55:350
189998993533,1cyclictest483119-1kworker/3:2H+kblockd12:06:473
189998993533,1cyclictest483119-1kworker/3:2H+kblockd12:01:213
189998993533,1cyclictest2894820-1kworker/3:0H+kblockd11:27:553
189998993533,1cyclictest2894820-1kworker/3:0H+kblockd09:19:093
189998993533,1cyclictest2894820-1kworker/3:0H+kblockd08:40:523
189998993532,2cyclictest2894820-1kworker/3:0H+kblockd09:05:043
189998993532,2cyclictest263674-21kworker/u8:1+flush-179:008:53:043
189998993525,9cyclictest2894820-1kworker/3:0H+kblockd11:09:393
189985993533,1cyclictest4193241-1kworker/0:0H+kblockd12:37:400
189985993533,1cyclictest4193241-1kworker/0:0H+kblockd07:42:290
189985993532,2cyclictest433465-21kworker/u8:0+flush-179:011:43:590
189985993532,2cyclictest4193241-1kworker/0:0H+kblockd08:33:490
189985993532,2cyclictest4193241-1kworker/0:0H+kblockd08:23:430
189998993432,1cyclictest2894820-1kworker/3:0H+kblockd09:26:123
189998993432,1cyclictest2894820-1kworker/3:0H+kblockd09:01:383
189998993431,2cyclictest483119-1kworker/3:2H+kblockd11:55:223
189998993431,2cyclictest480339-21kworker/u8:4+flush-179:012:14:403
189998993431,2cyclictest2894820-1kworker/3:0H+kblockd09:56:103
189998993431,2cyclictest2894820-1kworker/3:0H+kblockd09:56:103
189998993431,2cyclictest206251-21kworker/u8:0+flush-179:008:01:303
189998993430,3cyclictest413060-21munin-update10:45:193
189998993430,3cyclictest189832-21kworker/u8:0+events_unbound07:10:133
189998993429,4cyclictest315569-21/usr/share/muni09:10:143
189989993431,2cyclictest247557-21chrome11:20:161
189989993430,3cyclictest279027-21kworker/u8:3+flush-179:008:56:001
189989993430,3cyclictest168997-21kworker/u8:4+flush-179:007:15:281
189985993433,1cyclictest4193241-1kworker/0:0H+kblockd08:10:260
189985993432,1cyclictest4193241-1kworker/0:0H+kblockd11:55:580
189985993432,1cyclictest4193241-1kworker/0:0H+kblockd08:59:400
189985993431,2cyclictest4193241-1kworker/0:0H+kblockd10:08:440
189985993431,2cyclictest4193241-1kworker/0:0H+kblockd07:55:010
189985993430,3cyclictest4193241-1kworker/0:0H+kblockd09:15:040
189998993332,1cyclictest274359-21kworker/3:1+pm08:59:533
189998993330,2cyclictest475056-21gpgv11:45:013
189998993330,2cyclictest2894820-1kworker/3:0H+kblockd10:58:243
189998993330,2cyclictest2894820-1kworker/3:0H+kblockd08:06:543
189998993330,2cyclictest274359-21kworker/3:1+pm09:24:393
189985993331,1cyclictest4193241-1kworker/0:0H+kblockd12:04:490
189985993329,3cyclictest4193241-1kworker/0:0H+kblockd10:58:340
189985993329,3cyclictest304980-21kworker/u8:0+flush-179:009:40:250
189985993327,5cyclictest190101-21/usr/share/muni07:10:150
189998993230,1cyclictest2894820-1kworker/3:0H+kblockd07:55:583
189998993230,1cyclictest1260-21snmpd07:22:303
189985993230,1cyclictest4193241-1kworker/0:0H+kblockd10:19:180
189985993230,1cyclictest4193241-1kworker/0:0H+kblockd09:36:400
189985993229,2cyclictest4193241-1kworker/0:0H+kblockd12:28:040
189985993229,2cyclictest4193241-1kworker/0:0H+kblockd10:12:500
189985993228,3cyclictest351602-21kworker/u8:2+events_unbound10:20:140
189985993226,4cyclictest233040-21/usr/share/muni07:50:090
189998993129,1cyclictest1260-21snmpd12:27:593
189985993129,1cyclictest1260-21snmpd08:07:290
189998993028,1cyclictest2894820-1kworker/3:0H+kblockd11:03:193
189998993028,1cyclictest2894820-1kworker/3:0H+kblockd10:02:103
189998993028,1cyclictest1260-21snmpd11:13:523
189998993027,2cyclictest438734-21kworker/u8:3+events_unbound11:15:123
189998993022,7cyclictest247562-13Chrome_ChildIOT10:28:143
189985993028,1cyclictest4193241-1kworker/0:0H+kblockd11:21:020
189998992926,2cyclictest483119-1kworker/3:2H+kblockd12:31:003
189998992828,0cyclictest1260-21snmpd07:52:563
189985992824,3cyclictest290103-21kworker/u8:2+flush-179:009:11:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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