You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-29 - 08:13
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 all highest latencies:
System rackbslot1.osadl.org (updated Fri Nov 28, 2025 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11194692213189,14sleep30-21swapper/307:08:093
11194512207183,14sleep00-21swapper/007:07:530
11195752196172,14sleep10-21swapper/107:09:301
11194272190166,14sleep20-21swapper/207:07:362
121361821360,2sleep31213614-21snmp_wlanpowerc08:40:003
1119798996460,3cyclictest1296084-21kworker/u8:0+events_unbound10:20:312
1119798996360,2cyclictest1156405-21kworker/u8:2+events_unbound08:00:102
1119798996359,3cyclictest1383514-21kworker/u8:0+events_unbound11:50:102
1119795996257,3cyclictest1281145-21snmp_wlanpowerc09:45:021
1119798996156,3cyclictest1275628-21kworker/u8:2+events_unbound10:19:062
1119798996057,2cyclictest1265410-21kworker/u8:0+events_unbound09:45:402
1119798996034,22cyclictest1404340-21kworker/u8:1+flush-179:012:25:052
1119798995956,2cyclictest1450416-21kworker/u8:2+events_unbound12:30:312
1119798995956,2cyclictest1341787-21kworker/u8:0+events_unbound11:05:342
1119794995849,7cyclictest247560-21ThreadPoolForeg10:20:080
111979499581,55cyclictest247557-21chrome10:05:010
1119798995742,13cyclictest1275628-21kworker/u8:2+flush-179:010:09:092
1119798995652,3cyclictest1238178-21kworker/u8:1+flush-179:009:10:072
1119798995651,4cyclictest1416580-21kworker/u8:3+flush-179:011:55:232
1119798995552,2cyclictest1341787-21kworker/u8:0+events_unbound10:48:232
1119794995547,6cyclictest3125688-21Chrome_ChildIOT09:20:350
1119794995547,6cyclictest3125687-21ThreadPoolForeg07:45:300
1119798995451,2cyclictest1383521-21kworker/u8:2+events_unbound11:40:312
1119798995451,2cyclictest1383521-21kworker/u8:2+events_unbound11:40:312
1119798995451,2cyclictest1341787-21kworker/u8:0+events_unbound10:55:292
1119798995442,10cyclictest1404340-21kworker/u8:1+flush-179:012:10:142
1119795995449,4cyclictest247516-21Chrome_ChildIOT12:10:341
1119799995350,2cyclictest1367742-21kworker/u8:1+events_unbound11:08:463
1119798995349,3cyclictest1275628-21kworker/u8:2+flush-179:009:40:182
1119798995349,3cyclictest1127285-21kworker/u8:1+events_unbound07:25:362
1119798995348,3cyclictest1265410-21kworker/u8:0+flush-179:009:50:272
1119794995348,3cyclictest1322067-21kworker/u8:1+events_unbound10:45:010
1119798995248,3cyclictest1404340-21kworker/u8:1+flush-179:012:17:082
1119798995248,3cyclictest1322067-21kworker/u8:1+events_unbound10:30:162
1119798995247,4cyclictest1198089-21kworker/u8:2+events_unbound08:53:312
1119798995247,3cyclictest1367801-21kworker/u8:3+flush-179:011:10:262
1119795995248,3cyclictest1311308-21kworker/u8:4+flush-179:010:15:121
1119794995248,3cyclictest1419619-21kworker/u8:4+flush-179:012:15:180
1119798995148,2cyclictest1367742-21kworker/u8:1+flush-179:011:20:262
1119798995148,2cyclictest1367742-21kworker/u8:1+flush-179:011:20:262
1119798995147,3cyclictest1265410-21kworker/u8:0+flush-179:009:30:332
1119798995146,4cyclictest1290969-21kworker/u8:1+events_unbound10:10:162
1119798995146,4cyclictest1290969-21kworker/u8:1+events_unbound10:10:152
1119798995036,13cyclictest1383521-21kworker/u8:2+events_unbound11:36:412
1119798995035,2cyclictest1321447-21kworker/2:2+pm10:26:192
1119798995023,26cyclictest3125721-21chrome09:29:152
1119794995045,4cyclictest1328933-21kworker/u8:3+flush-179:010:49:090
1119798994947,2cyclictest1332766-21kworker/u8:4+events_unbound10:40:222
1119798994946,2cyclictest1378042-21kworker/u8:4+events_unbound11:25:122
1119798994946,2cyclictest1198089-21kworker/u8:2+events_unbound09:00:302
1119798994945,3cyclictest1383521-21kworker/u8:2+events_unbound11:30:222
1119798994945,3cyclictest1367801-21kworker/u8:3+events_unbound11:16:052
1119798994945,3cyclictest1127285-21kworker/u8:1+events_unbound07:45:252
1119798994936,2cyclictest1151304-21kworker/2:0+pm08:57:492
1119799994845,2cyclictest1238178-21kworker/u8:1+flush-179:009:25:183
1119799994844,3cyclictest1111213-21kworker/u8:0+events_unbound07:59:253
1119798994844,3cyclictest1404340-21kworker/u8:1+events_unbound12:24:482
1119794994845,2cyclictest1171859-21kworker/u8:3+flush-179:008:15:190
1119794994841,5cyclictest1414444-31munin-graph11:50:510
111979499480,40cyclictest3125648-13Chrome_IOThread11:20:010
1119798994744,2cyclictest1213132-21kworker/u8:0+events_unbound08:45:222
1119798994743,3cyclictest1238178-21kworker/u8:1+events_unbound09:15:162
1119798994742,4cyclictest1450416-21kworker/u8:2+flush-179:012:35:182
1119795994734,12cyclictest291522-1kworker/1:2H+kblockd07:38:301
1119799994643,2cyclictest1352509-21kworker/u8:2+flush-179:011:00:013
1119799994642,3cyclictest1244463-21kworker/u8:0+flush-179:009:08:383
1119799994642,3cyclictest1198089-21kworker/u8:2+events_unbound08:32:503
1119799994642,3cyclictest1198089-21kworker/u8:2+events_unbound08:28:143
1119798994643,2cyclictest1010861-21kworker/u8:3+events_unbound07:20:122
1119798994642,3cyclictest1275628-21kworker/u8:2+events_unbound10:00:282
1119798994642,3cyclictest1156405-21kworker/u8:2+events_unbound08:05:242
1119798994632,2cyclictest1111221-21kworker/u8:6+flush-179:007:43:292
1119794994639,5cyclictest247561-21ThreadPoolForeg07:35:230
1119794994639,5cyclictest1419529-31munin-html11:55:450
1119794994639,5cyclictest1151647-21/usr/share/muni07:40:150
1119799994542,3cyclictest1111213-21kworker/u8:0+events_unbound07:14:373
1119798994542,2cyclictest1270838-21/usr/share/muni09:35:112
1119798994542,2cyclictest1111213-21kworker/u8:0+events_unbound07:55:332
1119798994540,3cyclictest1213150-21kworker/u8:4+events_unbound08:40:012
1119795994542,2cyclictest1342789-21Chrome_ChildIOT10:45:021
1119795994532,9cyclictest291522-1kworker/1:2H+kblockd10:06:011
111979599451,43cyclictest3125721-21chrome11:06:201
1119794994540,4cyclictest1322067-21kworker/u8:1+flush-179:010:25:300
1119794994540,4cyclictest1166578-21munin-limits07:51:160
1119794994539,4cyclictest3125687-21ThreadPoolForeg09:10:300
1119794994538,5cyclictest1367801-21kworker/u8:3+flush-179:011:45:390
1119799994441,2cyclictest1254429-21kworker/u8:3+events_unbound09:34:063
1119799994427,15cyclictest1125059-21/usr/share/muni07:15:153
1119798994441,2cyclictest1010861-21kworker/u8:3+events_unbound07:10:112
1119798994440,3cyclictest1127285-21kworker/u8:1+events_unbound08:26:462
1119798994440,3cyclictest1111221-21kworker/u8:6+flush-179:007:15:252
1119798994435,3cyclictest1140867-21kworker/u8:2+events_unbound07:30:082
1119798994431,2cyclictest1321447-21kworker/2:2+pm10:35:212
1119794994440,3cyclictest1364545-21apt-get11:05:140
1119794994438,5cyclictest3125724-21ThreadPoolForeg08:10:000
1119794994438,5cyclictest1194511-21diskstats08:20:160
1119794994436,7cyclictest1440154-21kworker/u8:3+events_unbound12:37:580
1119799994341,2cyclictest1238178-21kworker/u8:1+events_unbound09:17:033
1119799994339,3cyclictest1383521-21kworker/u8:2+flush-179:011:25:383
1119799994339,3cyclictest1156491-21latency_hist07:45:023
1119799994338,4cyclictest247561-21ThreadPoolForeg11:18:243
1119799994338,4cyclictest247561-21ThreadPoolForeg09:50:223
1119799994337,5cyclictest3125727-21ThreadPoolForeg11:47:313
1119798994339,3cyclictest1111221-21kworker/u8:6+events_unbound07:40:012
1119795994338,3cyclictest1399267-21latency_hist11:40:011
1119795994332,9cyclictest1406194-21ntpq11:45:181
1119795994328,14cyclictest291522-1kworker/1:2H+kblockd08:03:501
1119795994320,22cyclictest247560-21ThreadPoolForeg07:10:101
1119794994341,1cyclictest105470-21isc-net-000012:12:250
1119794994338,3cyclictest1214812-21apt-get08:40:120
1119799994239,2cyclictest1367742-21kworker/u8:1+events_unbound11:21:003
1119799994239,2cyclictest1367742-21kworker/u8:1+events_unbound11:20:593
1119799994238,3cyclictest1296084-21kworker/u8:0+flush-179:010:12:033
1119799994238,3cyclictest1296084-21kworker/u8:0+flush-179:010:12:033
1119799994237,4cyclictest1445515-21munin-update12:25:333
1119798994239,2cyclictest1404340-21kworker/u8:1+flush-179:012:04:042
1119798994238,3cyclictest1352509-21kworker/u8:2+events_unbound11:03:162
1119798994237,4cyclictest1111213-21kworker/u8:0+flush-179:008:10:152
1119795994228,13cyclictest291522-1kworker/1:2H+kblockd08:14:581
1119794994238,3cyclictest1198089-21kworker/u8:2+flush-179:008:33:260
1119799994138,2cyclictest1275628-21kworker/u8:2+events_unbound09:48:073
1119799994136,4cyclictest1327363-21/usr/share/muni10:30:053
1119798994138,2cyclictest1171859-21kworker/u8:3+events_unbound08:30:102
1119798994138,2cyclictest1127285-21kworker/u8:1+flush-179:008:20:022
1119798994137,3cyclictest1404340-21kworker/u8:1+events_unbound12:08:362
1119798994137,3cyclictest1198089-21kworker/u8:2+events_unbound09:22:392
1119798994136,3cyclictest1275628-21kworker/u8:2+flush-179:009:58:532
1119795994134,6cyclictest1260-21snmpd11:32:491
1119795994132,8cyclictest291522-1kworker/1:2H+kblockd07:30:501
1119794994138,2cyclictest1301093-21kworker/0:2+pm10:16:420
1119794994137,3cyclictest247544-13Chrome_ChildIOT08:00:230
1119794994135,5cyclictest1383514-21kworker/u8:0+flush-179:011:30:120
1119799994037,2cyclictest1275628-21kworker/u8:2+events_unbound10:23:523
1119799994034,5cyclictest247560-21ThreadPoolForeg10:45:203
111979899404,34cyclictest0-21swapper/208:35:492
111979899404,34cyclictest0-21swapper/208:35:492
1119795994036,3cyclictest1198089-21kworker/u8:2+flush-179:008:45:011
1119795994035,4cyclictest3125724-21ThreadPoolForeg10:56:011
1119795994034,4cyclictest3125724-21ThreadPoolForeg09:15:101
1119795994027,12cyclictest291522-1kworker/1:2H+kblockd07:41:591
1119795994023,15cyclictest1238178-21kworker/u8:1+flush-179:009:11:191
111979599400,39cyclictest1238178-21kworker/u8:1+flush-179:009:09:071
1119794994037,2cyclictest917784-1kworker/0:0H+kblockd09:26:030
1119794994037,2cyclictest1111213-21kworker/u8:0+flush-179:007:25:210
1119794994035,3cyclictest1328933-21kworker/u8:3+flush-179:010:50:060
1119794994034,4cyclictest1213327-21latency_hist08:40:010
1119794994034,4cyclictest1213327-21latency_hist08:40:010
1119799993937,2cyclictest1213132-21kworker/u8:0+events_unbound08:58:483
1119799993937,1cyclictest928423-1kworker/3:1H+kblockd07:22:023
1119799993936,2cyclictest1419619-21kworker/u8:4+events_unbound12:16:293
1119799993935,3cyclictest1404340-21kworker/u8:1+events_unbound11:52:303
1119799993933,4cyclictest76405-21systemd-journal08:25:003
1119798993935,3cyclictest1198089-21kworker/u8:2+flush-179:009:05:232
1119795993936,2cyclictest291522-1kworker/1:2H+kblockd10:20:061
1119795993936,2cyclictest1171859-21kworker/u8:3+flush-179:008:20:221
1119795993934,4cyclictest1415058-21/usr/share/muni11:55:121
1119795993934,3cyclictest3125708-13Chrome_ChildIOT12:02:311
1119795993925,13cyclictest1234625-21cp09:00:021
1119795993918,20cyclictest3125709-13VizCompositorTh09:22:311
1119794993934,3cyclictest1290969-21kworker/u8:1+events_unbound09:55:350
1119794993933,4cyclictest1367801-21kworker/u8:3+flush-179:011:24:090
1119794993933,4cyclictest1367801-21kworker/u8:3+flush-179:011:24:080
1119794993930,8cyclictest1213150-21kworker/u8:4+events_unbound08:45:350
1119799993836,2cyclictest1127285-21kworker/u8:1+events_unbound08:06:113
1119799993835,2cyclictest3125684-21Chrome_DevTools09:13:003
1119799993835,2cyclictest1419619-21kworker/u8:4+flush-179:012:10:203
1119799993835,2cyclictest1358013-21kworker/3:0+pm12:09:343
1119799993834,3cyclictest1322067-21kworker/u8:1+events_unbound10:39:463
1119798993834,3cyclictest1328933-21kworker/u8:3+flush-179:010:53:592
1119798993834,3cyclictest1111213-21kworker/u8:0+flush-179:007:50:452
1119795993834,2cyclictest291522-1kworker/1:2H+kblockd09:59:011
1119795993834,2cyclictest291522-1kworker/1:2H+kblockd09:35:041
1119795993834,2cyclictest291522-1kworker/1:2H+kblockd08:57:051
1119795993834,2cyclictest291522-1kworker/1:2H+kblockd07:52:291
1119795993834,2cyclictest1203171-21kworker/1:0+pm11:12:471
1119795993832,5cyclictest247515-21ThreadPoolForeg10:54:241
1119795993813,2cyclictest0-21swapper/110:27:301
1119794993834,2cyclictest917784-1kworker/0:0H+kblockd10:31:020
1119794993830,7cyclictest1419619-21kworker/u8:4+events_unbound12:05:140
1119794993830,5cyclictest1353099-21/usr/share/muni10:55:130
1119799993734,2cyclictest928423-1kworker/3:1H+kblockd10:04:233
1119799993734,2cyclictest1111213-21kworker/u8:0+events_unbound08:03:203
1119799993733,2cyclictest1343998-1kworker/3:0H+kblockd10:51:113
1119798993735,2cyclictest1388841-21kworker/2:2+pm11:47:162
1119798993733,3cyclictest1151304-21kworker/2:0+pm08:16:232
1119795993733,3cyclictest247560-21ThreadPoolForeg11:17:591
1119795993733,3cyclictest1296624-21/usr/share/muni10:00:201
1119795993733,2cyclictest291522-1kworker/1:2H+kblockd12:20:031
1119795993732,3cyclictest291522-1kworker/1:2H+kblockd12:19:241
1119795993732,3cyclictest291522-1kworker/1:2H+kblockd11:43:111
1119795993732,3cyclictest291522-1kworker/1:2H+kblockd11:43:111
1119795993731,5cyclictest1132504-21apt-get07:20:141
1119795993730,6cyclictest3125708-13Chrome_ChildIOT12:30:451
1119794993735,1cyclictest1254430-21kworker/0:1+pm09:18:170
1119794993734,2cyclictest917784-1kworker/0:0H+kblockd12:20:350
1119794993734,2cyclictest917784-1kworker/0:0H+kblockd11:37:240
1119794993734,2cyclictest917784-1kworker/0:0H+kblockd11:14:100
1119794993734,2cyclictest917784-1kworker/0:0H+kblockd07:56:020
1119794993733,3cyclictest1127285-21kworker/u8:1+flush-179:008:25:290
1119794993731,5cyclictest1332440-21/usr/share/muni10:35:150
1119799993633,3cyclictest1127285-21kworker/u8:1+events_unbound07:48:523
1119799993633,2cyclictest928423-1kworker/3:1H+kblockd10:16:173
1119799993633,2cyclictest1343998-1kworker/3:0H+kblockd12:35:043
1119799993632,3cyclictest3125724-21ThreadPoolForeg08:36:513
1119799993632,3cyclictest3125724-21ThreadPoolForeg08:36:503
1119799993615,20cyclictest247515-21ThreadPoolForeg11:10:153
1119795993634,1cyclictest291522-1kworker/1:2H+kblockd11:26:171
1119795993634,1cyclictest291522-1kworker/1:2H+kblockd10:30:031
1119795993634,1cyclictest291522-1kworker/1:2H+kblockd08:25:331
1119795993633,2cyclictest291522-1kworker/1:2H+kblockd09:30:041
1119795993633,2cyclictest291522-1kworker/1:2H+kblockd08:50:521
1119795993633,2cyclictest291522-1kworker/1:2H+kblockd08:16:471
1119795993632,2cyclictest291522-1kworker/1:2H+kblockd08:45:071
1119795993632,2cyclictest291522-1kworker/1:2H+kblockd07:56:151
1119795993632,2cyclictest1203171-21kworker/1:0+pm09:40:111
1119795993631,4cyclictest1198089-21kworker/u8:2+flush-179:008:30:281
1119795993628,7cyclictest3125728-13Compositor12:08:031
1119795993628,7cyclictest1260-21snmpd11:02:091
1119794993635,1cyclictest1280707-21kworker/0:0+pm09:47:300
1119794993634,2cyclictest917784-1kworker/0:0H+kblockd09:30:060
1119794993633,2cyclictest917784-1kworker/0:0H+kblockd10:11:190
1119794993633,2cyclictest917784-1kworker/0:0H+kblockd10:11:180
1119794993632,3cyclictest1450416-21kworker/u8:2+flush-179:012:30:190
1119794993632,3cyclictest1388745-31munin-graph11:26:370
1119799993534,1cyclictest928423-1kworker/3:1H+kblockd09:56:483
1119799993533,1cyclictest928423-1kworker/3:1H+kblockd08:10:323
1119799993533,1cyclictest1343998-1kworker/3:0H+kblockd11:35:043
1119799993532,3cyclictest1434910-21kworker/u8:0+events_unbound12:34:393
1119799993532,2cyclictest3125627-21ChromeDriver00:55:193
1119799993531,3cyclictest1352509-21kworker/u8:2+events_unbound11:04:483
1119795993532,2cyclictest291522-1kworker/1:2H+kblockd09:25:181
1119795993532,2cyclictest291522-1kworker/1:2H+kblockd07:46:001
1119795993532,2cyclictest291522-1kworker/1:2H+kblockd07:28:541
1119795993531,2cyclictest291522-1kworker/1:2H+kblockd11:51:381
1119795993530,3cyclictest3125708-13Chrome_ChildIOT09:50:251
1119795993529,4cyclictest1130543-31munin-graph07:16:321
1119795993528,6cyclictest1260-21snmpd11:21:541
1119795993528,6cyclictest1260-21snmpd11:21:541
1119795993528,6cyclictest1260-21snmpd10:36:161
1119795993527,7cyclictest1260-21snmpd08:37:521
1119795993527,7cyclictest1260-21snmpd08:37:511
1119795993527,7cyclictest105470-21isc-net-000012:27:261
1119795993513,21cyclictest0-21swapper/110:10:151
1119795993513,21cyclictest0-21swapper/110:10:151
1119794993533,1cyclictest917784-1kworker/0:0H+kblockd09:51:200
1119794993533,1cyclictest917784-1kworker/0:0H+kblockd07:15:050
1119794993531,3cyclictest1010861-21kworker/u8:3+flush-179:007:10:290
1119794993530,3cyclictest917784-1kworker/0:0H+kblockd09:02:150
1119794993530,3cyclictest1213150-21kworker/u8:4+events_unbound09:00:010
111979499351,32cyclictest247557-21chrome09:08:210
1119799993433,1cyclictest928423-1kworker/3:1H+kblockd10:05:203
1119799993433,1cyclictest928423-1kworker/3:1H+kblockd09:42:203
1119799993432,1cyclictest928423-1kworker/3:1H+kblockd09:03:543
1119799993432,1cyclictest928423-1kworker/3:1H+kblockd08:17:233
1119799993431,2cyclictest1296084-21kworker/u8:0+flush-179:010:27:293
1119799993430,2cyclictest1343998-1kworker/3:0H+kblockd11:30:553
1119795993432,1cyclictest291522-1kworker/1:2H+kblockd10:41:041
1119795993431,2cyclictest3125726-13Chrome_ChildIOT12:38:451
1119794993430,2cyclictest917784-1kworker/0:0H+kblockd12:00:050
1119794993429,4cyclictest1254429-21kworker/u8:3+flush-179:009:36:350
1119794993425,7cyclictest247515-21ThreadPoolForeg11:00:350
1119799993330,2cyclictest1198089-21kworker/u8:2+flush-179:009:24:563
1119799993329,3cyclictest1416580-21kworker/u8:3+flush-179:012:00:203
1119799993329,3cyclictest1332766-21kworker/u8:4+flush-179:010:40:203
1119799993328,4cyclictest247560-21ThreadPoolForeg11:55:303
1119794993330,2cyclictest917784-1kworker/0:0H+kblockd11:40:080
1119794993330,2cyclictest917784-1kworker/0:0H+kblockd11:40:080
1119794993330,2cyclictest917784-1kworker/0:0H+kblockd09:40:010
1119794993330,2cyclictest917784-1kworker/0:0H+kblockd08:11:160
1119799993230,1cyclictest1343998-1kworker/3:0H+kblockd11:42:113
1119799993230,1cyclictest1343998-1kworker/3:0H+kblockd11:42:113
1119799993230,1cyclictest1260-21snmpd07:37:203
1119799993229,2cyclictest247560-21ThreadPoolForeg07:25:203
1119795993220,10cyclictest1260-21snmpd08:05:201
1119794993229,2cyclictest917784-1kworker/0:0H+kblockd07:30:450
1119794993229,2cyclictest917784-1kworker/0:0H+kblockd07:21:550
1119794993229,2cyclictest3125721-21chrome12:27:430
1119794993227,3cyclictest1275628-21kworker/u8:2+events_unbound10:05:090
1119799993129,1cyclictest928423-1kworker/3:1H+kblockd09:39:103
1119799993129,1cyclictest928423-1kworker/3:1H+kblockd07:50:133
1119799993129,1cyclictest928423-1kworker/3:1H+kblockd07:30:383
1119799993026,3cyclictest1218743-21/usr/share/muni08:45:143
1119799992925,3cyclictest3125721-21chrome12:20:153
1119794992928,1cyclictest1260-21snmpd08:54:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional