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2025-01-18 - 16:00
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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 Sat Jan 18, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4644442207184,14sleep20-21swapper/207:09:332
4644442207184,14sleep20-21swapper/207:09:332
4643412203179,14sleep00-21swapper/007:08:120
4643412203179,14sleep00-21swapper/007:08:120
4642852188160,18sleep10-21swapper/107:07:281
4642852188160,18sleep10-21swapper/107:07:281
4643392180157,14sleep30-21swapper/307:08:113
4643392180157,14sleep30-21swapper/307:08:103
46478299870,86cyclictest496784-21snmp_wanpowerct07:45:020
464790997569,4cyclictest1804731-21chrome11:45:023
464787997456,17cyclictest665814-21kworker/u8:0+flush-179:011:10:242
464787997456,17cyclictest665814-21kworker/u8:0+flush-179:011:10:242
4731942730,1chrt473193-21ntp_states07:15:291
464787996864,3cyclictest694400-21chrome11:45:022
464785996147,11cyclictest652952-21kworker/u8:1+events_unbound11:10:291
464785996147,11cyclictest652952-21kworker/u8:1+events_unbound11:10:291
464785996055,2cyclictest583177-21kworker/u8:0+events_unbound09:25:131
464782996056,3cyclictest610614-21kworker/u8:3+events_unbound10:35:100
7014582580,1chrt701447-21/usr/share/muni11:55:012
464785995652,3cyclictest496791-21idleruntime07:45:011
464790995543,11cyclictest653428-21/usr/share/muni10:55:223
464785995447,6cyclictest1804698-21Chrome_ChildIOT11:50:181
464782995449,4cyclictest652952-21kworker/u8:1+events_unbound11:10:000
464787995349,3cyclictest614534-21/usr/share/muni10:05:222
464785995350,2cyclictest624841-21kworker/u8:0+events_unbound10:40:321
464785995349,3cyclictest694452-21ThreadPoolForeg11:45:091
464785995349,3cyclictest670255-21kworker/u8:4+events_unbound11:20:221
464782995349,3cyclictest652952-21kworker/u8:1+flush-179:011:17:040
46478299525,46cyclictest1-21systemd09:55:000
464790995146,3cyclictest678019-21latency_hist11:25:003
464785995146,2cyclictest681795-21kworker/u8:2+flush-179:011:35:161
464782995147,3cyclictest534542-21kworker/u8:1+events_unbound08:55:080
464782995143,6cyclictest3451163-21chrome08:00:340
464790995045,3cyclictest598653-21chrome09:45:013
464790995035,8cyclictest621149-21kworker/3:2+pm11:28:523
464782995047,2cyclictest545541-21kworker/u8:3+events_unbound08:45:240
464787994944,4cyclictest562533-21/usr/share/muni09:00:122
464787994944,4cyclictest3451167-21ThreadPoolForeg11:20:092
464787994926,17cyclictest585282-21kworker/2:0+pm09:47:332
464785994945,3cyclictest577524-21kworker/u8:1+events_unbound09:17:031
464782994945,3cyclictest534542-21kworker/u8:1+events_unbound09:05:530
464790994843,4cyclictest497867-21ntpq07:45:163
464787994843,4cyclictest540504-21/usr/share/muni08:35:162
464787994835,10cyclictest698330-21kworker/2:0+pm12:03:342
464787994833,11cyclictest527561-21kworker/2:0+pm08:30:062
464785994842,4cyclictest732569-21munin-update12:35:161
464785994835,12cyclictest606571-21apt-get09:55:131
464782994846,2cyclictest509405-21kworker/u8:0+flush-179:008:20:320
464782994845,2cyclictest518068-21kworker/u8:3+flush-179:008:25:250
464782994844,3cyclictest688961-21kworker/u8:1+flush-179:011:40:350
464782994844,3cyclictest688961-21kworker/u8:1+flush-179:011:40:350
464790994729,13cyclictest1276-21snmpd07:35:593
464787994742,4cyclictest474358-21cat07:20:012
464785994736,10cyclictest539962-21kworker/u8:2+flush-179:008:35:321
464790994636,9cyclictest621149-21kworker/3:2+pm11:08:043
464790994615,26cyclictest3451163-21chrome07:20:063
464787994631,8cyclictest0-21swapper/210:25:572
464787994622,23cyclictest646087-21kworker/u8:3+flush-179:011:30:102
464785994643,2cyclictest632214-21kworker/u8:2+events_unbound10:45:121
464785994642,3cyclictest478927-21munin-update07:25:311
464785994640,2cyclictest610614-21kworker/u8:3+events_unbound10:15:111
464782994643,2cyclictest459398-21kworker/u8:4+flush-179:007:25:190
464782994642,3cyclictest568956-21kworker/u8:4+events_unbound09:13:110
46478799450,2cyclictest652378-31munin-html10:50:352
464785994541,3cyclictest474976-21/usr/share/muni07:20:121
464785994532,12cyclictest700830-21kworker/u8:0+events_unbound12:30:151
464782994541,3cyclictest609608-21kworker/u8:0+flush-179:010:10:260
464782994541,3cyclictest552267-21kworker/u8:0+events_unbound09:00:180
464790994432,11cyclictest461002-1kworker/3:1H+kblockd08:45:153
464787994438,5cyclictest698330-21kworker/2:0+pm12:33:192
464787994435,8cyclictest698330-21kworker/2:0+pm12:17:282
464787994433,5cyclictest698330-21kworker/2:0+pm12:25:042
464787994432,6cyclictest637039-21kworker/2:1+pm11:00:062
464787994420,5cyclictest664455-31munin-html11:05:512
464785994441,2cyclictest585073-21kworker/u8:2+flush-179:009:45:141
464785994440,3cyclictest632214-21kworker/u8:2+events_unbound10:55:281
464785994440,3cyclictest552267-21kworker/u8:0+flush-179:008:55:031
464785994440,3cyclictest534542-21kworker/u8:1+flush-179:008:30:351
464785994440,3cyclictest459398-21kworker/u8:4+events_unbound07:40:261
464782994440,3cyclictest568956-21kworker/u8:4+flush-179:009:55:320
464790994339,3cyclictest514056-21munin-update08:05:333
464790994324,15cyclictest1276-21snmpd12:05:133
464790994318,24cyclictest1804731-21chrome08:27:543
464787994337,5cyclictest585282-21kworker/2:0+pm09:50:572
464787994328,14cyclictest646087-21kworker/u8:3+flush-179:012:10:362
46478799431,40cyclictest1804731-21chrome09:10:532
464785994340,2cyclictest577524-21kworker/u8:1+flush-179:009:50:161
464785994340,2cyclictest539962-21kworker/u8:2+flush-179:008:40:211
464782994339,3cyclictest1804734-21ThreadPoolForeg10:10:020
464782994336,2cyclictest552267-21kworker/u8:0+events_unbound08:50:230
464790994238,2cyclictest461002-1kworker/3:1H+kblockd09:46:123
464790994232,9cyclictest459926-21kworker/3:1+pm07:42:383
464790994230,11cyclictest1804751-21ThreadPoolForeg11:02:273
464787994239,2cyclictest469291-21kworker/2:3+pm07:30:212
46478799420,2cyclictest581993-31munin-graph09:21:002
46478799420,2cyclictest1804609-21python308:15:552
464785994239,2cyclictest577526-21kworker/u8:5+events_unbound09:20:271
464785994238,3cyclictest700830-21kworker/u8:0+flush-179:012:25:111
464785994238,3cyclictest568956-21kworker/u8:4+events_unbound09:40:001
464785994236,2cyclictest585073-21kworker/u8:2+events_unbound09:30:081
464782994239,2cyclictest734103-21kworker/u8:4+events_unbound12:35:210
464782994239,2cyclictest652952-21kworker/u8:1+events_unbound11:28:240
464782994238,3cyclictest624841-21kworker/u8:0+events_unbound10:20:010
464782994236,2cyclictest705448-21kworker/u8:1+events_unbound12:00:290
464790994137,3cyclictest609921-21latency_hist10:00:003
464787994139,1cyclictest469291-21kworker/2:3+pm07:55:242
464787994138,2cyclictest585282-21kworker/2:0+pm10:30:132
464787994138,2cyclictest565768-21kworker/2:2+pm09:06:142
46478799410,3cyclictest673201-31munin-graph11:15:572
46478799410,2cyclictest1804639-21b6371458964395711:50:432
464785994138,2cyclictest545541-21kworker/u8:3+flush-179:008:45:271
464785994137,3cyclictest509405-21kworker/u8:0+flush-179:008:26:101
464785994135,4cyclictest522225-31munin-html08:10:391
464782994139,2cyclictest710333-21kworker/u8:2+events_unbound12:05:090
464782994139,2cyclictest665814-21kworker/u8:0+events_unbound11:20:180
464782994135,2cyclictest509405-21kworker/u8:0+events_unbound08:37:140
464782994127,13cyclictest1276-21snmpd12:32:100
464790994034,5cyclictest3451166-21ThreadPoolForeg11:15:083
464790994027,12cyclictest1804640-13chrome09:28:173
464787994038,1cyclictest469291-21kworker/2:3+pm07:45:272
464787994037,2cyclictest698330-21kworker/2:0+pm12:05:312
464787994037,2cyclictest469291-21kworker/2:3+pm07:25:282
464787994036,2cyclictest637039-21kworker/2:1+pm10:50:002
464787994035,4cyclictest527561-21kworker/2:0+pm08:56:072
464787994035,4cyclictest469291-21kworker/2:3+pm07:44:112
464787994027,12cyclictest527561-21kworker/2:0+pm08:41:112
464787994024,15cyclictest585073-21kworker/u8:2+flush-179:009:55:112
46478799400,2cyclictest1804736-13Chrome_ChildIOT10:10:412
464785994038,1cyclictest182492-1kworker/1:0H+kblockd07:31:121
464785994034,3cyclictest459398-21kworker/u8:4+events_unbound08:05:281
464785994027,13cyclictest610614-21kworker/u8:3+flush-179:010:07:231
464785994014,25cyclictest1804736-13Chrome_ChildIOT07:52:441
464782994037,2cyclictest545541-21kworker/u8:3+events_unbound09:15:320
464782994037,2cyclictest455046-21kworker/u8:1+events_unbound07:40:150
464790993936,2cyclictest621149-21kworker/3:2+pm10:18:493
464790993936,2cyclictest459926-21kworker/3:1+pm07:50:273
464790993932,6cyclictest461002-1kworker/3:1H+kblockd11:31:103
464790993928,10cyclictest1804736-13Chrome_ChildIOT10:12:353
464790993926,12cyclictest3451163-21chrome12:20:153
464790993926,12cyclictest1804738-13Compositor10:38:523
464787993937,1cyclictest585282-21kworker/2:0+pm10:16:512
464787993937,1cyclictest565768-21kworker/2:2+pm09:28:092
464787993937,1cyclictest527561-21kworker/2:0+pm08:46:162
464787993937,1cyclictest527561-21kworker/2:0+pm08:28:112
464787993937,1cyclictest469291-21kworker/2:3+pm08:00:352
464787993936,2cyclictest698330-21kworker/2:0+pm12:36:102
464787993936,2cyclictest585282-21kworker/2:0+pm10:20:052
464787993936,2cyclictest565768-21kworker/2:2+pm09:15:072
464787993934,4cyclictest3451167-21ThreadPoolForeg11:30:012
464787993933,5cyclictest1804697-21ThreadPoolForeg09:40:152
464787993931,7cyclictest469291-21kworker/2:3+pm07:20:152
46478799391,13cyclictest1804731-21chrome11:40:372
46478799391,13cyclictest1804731-21chrome11:40:372
46478799390,3cyclictest1804735-21ThreadPoolForeg09:32:092
464785993936,2cyclictest610614-21kworker/u8:3+events_unbound10:35:221
464785993936,2cyclictest518068-21kworker/u8:3+flush-179:008:20:261
464785993936,2cyclictest518068-21kworker/u8:3+flush-179:008:15:361
464785993936,2cyclictest455046-21kworker/u8:1+events_unbound08:05:011
464785993914,13cyclictest610172-21/usr/share/muni10:00:061
464782993936,2cyclictest712543-21kworker/0:0+pm12:19:530
464782993935,3cyclictest681795-21kworker/u8:2+flush-179:011:35:060
464782993935,3cyclictest646087-21kworker/u8:3+events_unbound11:30:090
464782993935,3cyclictest585073-21kworker/u8:2+events_unbound09:31:230
464790993834,2cyclictest461002-1kworker/3:1H+kblockd10:50:193
464790993833,4cyclictest705820-21/usr/share/muni12:00:183
464790993832,4cyclictest479155-21/usr/share/muni07:25:093
464790993829,8cyclictest1276-21snmpd12:13:373
464787993836,1cyclictest637039-21kworker/2:1+pm10:56:232
464787993836,1cyclictest585282-21kworker/2:0+pm10:00:162
464787993836,1cyclictest527561-21kworker/2:0+pm08:21:492
464787993836,1cyclictest469291-21kworker/2:3+pm07:53:132
464787993836,1cyclictest469291-21kworker/2:3+pm07:35:212
464787993835,2cyclictest637039-21kworker/2:1+pm11:35:042
464787993835,2cyclictest585282-21kworker/2:0+pm09:35:172
464787993835,2cyclictest469291-21kworker/2:3+pm08:10:002
464787993835,2cyclictest469291-21kworker/2:3+pm08:05:042
464785993836,1cyclictest527269-21kworker/1:1+pm09:14:441
464785993835,2cyclictest722078-21kworker/u8:1+events_unbound12:20:101
464785993835,2cyclictest670255-21kworker/u8:4+flush-179:011:25:091
464785993835,2cyclictest598495-21kworker/1:2+pm10:54:441
464785993835,2cyclictest577526-21kworker/u8:5+flush-179:009:40:101
464785993834,3cyclictest534542-21kworker/u8:1+events_unbound09:05:131
464785993833,2cyclictest610614-21kworker/u8:3+events_unbound10:10:271
464782993836,1cyclictest395439-21kworker/0:0+pm07:17:290
464782993835,3cyclictest585073-21kworker/u8:2+events_unbound10:00:340
464782993835,2cyclictest585357-21kworker/0:2+pm09:42:130
464782993835,2cyclictest459859-1kworker/0:1H+kblockd10:56:530
464782993835,2cyclictest455046-21kworker/u8:1+events_unbound07:50:300
464782993835,2cyclictest455046-21kworker/u8:1+events_unbound07:35:150
464782993834,3cyclictest688961-21kworker/u8:1+events_unbound11:45:120
464782993834,3cyclictest624841-21kworker/u8:0+events_unbound10:20:130
464790993735,1cyclictest461002-1kworker/3:1H+kblockd08:00:063
464790993734,2cyclictest461002-1kworker/3:1H+kblockd12:35:043
464790993734,2cyclictest461002-1kworker/3:1H+kblockd10:34:583
464790993734,2cyclictest461002-1kworker/3:1H+kblockd09:35:203
464790993734,2cyclictest461002-1kworker/3:1H+kblockd09:11:173
464790993734,2cyclictest461002-1kworker/3:1H+kblockd08:42:573
464790993734,2cyclictest461002-1kworker/3:1H+kblockd08:32:083
464790993734,2cyclictest461002-1kworker/3:1H+kblockd08:18:163
464790993733,2cyclictest461002-1kworker/3:1H+kblockd11:55:563
464790993732,4cyclictest725650-21munin-update12:25:063
464790993732,4cyclictest697770-21apt-get11:50:103
464790993726,10cyclictest3451168-20Chrome_ChildIOT08:59:213
464790993722,10cyclictest461002-1kworker/3:1H+kblockd09:31:033
464790993711,25cyclictest0-21swapper/310:48:423
464787993735,1cyclictest443537-21kworker/2:0+pm07:12:032
464787993734,2cyclictest637039-21kworker/2:1+pm10:41:012
464787993733,2cyclictest3623838-1kworker/2:0H+kblockd10:35:062
464787993721,11cyclictest527561-21kworker/2:0+pm08:52:142
46478799370,3cyclictest3451163-21chrome12:21:072
464785993735,2cyclictest665814-21kworker/u8:0+events_unbound11:16:261
464785993734,2cyclictest583178-1kworker/1:1H+kblockd12:02:011
464785993731,3cyclictest710333-21kworker/u8:2+flush-179:012:05:101
464782993734,2cyclictest624841-21kworker/u8:0+events_unbound10:40:170
464782993734,2cyclictest459859-1kworker/0:1H+kblockd07:31:400
464782993731,2cyclictest646087-21kworker/u8:3+flush-179:011:13:580
464782993731,2cyclictest646087-21kworker/u8:3+flush-179:011:13:570
46479099366,6cyclictest3451170-20Compositor09:54:343
464790993633,2cyclictest461002-1kworker/3:1H+kblockd09:21:013
464790993633,2cyclictest461002-1kworker/3:1H+kblockd08:53:023
464790993633,2cyclictest461002-1kworker/3:1H+kblockd08:37:493
464790993624,11cyclictest1276-21snmpd07:55:303
464790993611,24cyclictest3451163-21chrome09:00:233
464785993634,1cyclictest598495-21kworker/1:2+pm12:14:521
464785993633,2cyclictest620789-21kworker/u8:1+events_unbound10:22:121
464785993633,2cyclictest583178-1kworker/1:1H+kblockd10:25:521
464785993632,3cyclictest681795-21kworker/u8:2+flush-179:011:40:041
464785993632,3cyclictest681795-21kworker/u8:2+flush-179:011:40:041
464785993631,4cyclictest701454-21/usr/share/muni11:55:081
464782993634,1cyclictest459859-1kworker/0:1H+kblockd07:57:590
464782993633,2cyclictest700830-21kworker/u8:0+events_unbound11:57:170
464782993633,2cyclictest646087-21kworker/u8:3+events_unbound11:50:340
464782993633,2cyclictest459859-1kworker/0:1H+kblockd10:45:310
464782993633,2cyclictest459859-1kworker/0:1H+kblockd10:34:040
464782993633,2cyclictest459859-1kworker/0:1H+kblockd10:27:080
464782993633,2cyclictest459859-1kworker/0:1H+kblockd08:30:160
464782993630,3cyclictest518068-21kworker/u8:3+flush-179:008:06:580
464790993533,1cyclictest461002-1kworker/3:1H+kblockd10:41:013
464790993523,11cyclictest1804717-13Chrome_ChildIOT12:19:583
464790993521,13cyclictest1804694-21Chrome_DevTools10:28:383
464790993512,22cyclictest0-21swapper/310:20:503
46479099351,16cyclictest1804637-21ChromeDriver15:20:433
46479099351,16cyclictest1804637-21ChromeDriver15:20:433
46479099350,4cyclictest693149-21ntpq11:40:303
46479099350,4cyclictest693149-21ntpq11:40:303
464785993533,1cyclictest583178-1kworker/1:1H+kblockd11:08:281
464785993532,3cyclictest459398-21kworker/u8:4+flush-179:007:10:301
464785993532,2cyclictest646087-21kworker/u8:3+events_unbound12:17:051
464785993532,2cyclictest632214-21kworker/u8:2+flush-179:011:00:171
464782993533,1cyclictest459859-1kworker/0:1H+kblockd12:26:350
464782993533,1cyclictest459859-1kworker/0:1H+kblockd11:02:110
464782993533,1cyclictest1276-21snmpd07:24:590
464782993532,2cyclictest1804736-13Chrome_ChildIOT07:13:120
464782993531,3cyclictest700830-21kworker/u8:0+events_unbound12:11:140
464782993531,3cyclictest1804738-13Compositor12:20:170
464782993530,4cyclictest598623-21ThreadPoolForeg09:45:160
46479099349,24cyclictest1804731-21chrome09:06:323
46479099348,12cyclictest0-21swapper/307:33:163
464790993431,2cyclictest1804658-13Chrome_IOThread07:17:313
46479099342,5cyclictest3451163-21chrome08:20:283
464790993418,10cyclictest1276-21snmpd08:12:183
46479099341,7cyclictest1804731-21chrome10:06:293
46479099341,6cyclictest3451150-20VizCompositorTh07:14:413
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464785993430,3cyclictest680822-21/usr/share/muni11:30:041
464785993430,3cyclictest459398-21kworker/u8:4+events_unbound07:36:211
464785993416,17cyclictest632548-21apt-get10:30:071
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464782993430,3cyclictest518068-21kworker/u8:3+events_unbound08:15:120
464782993429,3cyclictest539962-21kworker/u8:2+events_unbound08:42:510
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464785993320,12cyclictest496009-1kworker/1:2H+kblockd08:53:081
464785993320,12cyclictest478540-21kworker/u8:2+flush-179:007:55:421
464782993330,2cyclictest585073-21kworker/u8:2+flush-179:009:35:370
464782993329,3cyclictest577524-21kworker/u8:1+flush-179:009:20:390
46479099321,17cyclictest3451150-20VizCompositorTh10:03:183
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464782993229,2cyclictest459859-1kworker/0:1H+kblockd08:10:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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