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2025-12-29 - 23:34
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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 all highest latencies:
System rackbslot1.osadl.org (updated Mon Dec 29, 2025 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11478502212171,10sleep30-21swapper/307:08:483
11477262208185,13sleep10-21swapper/107:07:101
11477152201154,39sleep00-21swapper/007:07:010
11478392197160,29sleep20-21swapper/207:08:402
1148140997470,3cyclictest1180651-21kworker/u8:1+flush-179:007:50:321
114814199603,56cyclictest1271040-21kworker/u8:0+efi_rts_wq09:31:282
1148140996057,2cyclictest1307200-21kworker/u8:4+events_unbound09:45:341
1148140996057,2cyclictest1307200-21kworker/u8:4+events_unbound09:45:341
1148143995943,14cyclictest1185538-21chrome07:45:023
1148140995944,13cyclictest1338868-21kworker/u8:4+flush-179:010:30:071
1148140995851,5cyclictest1370337-21latency_hist10:45:001
1148140995850,6cyclictest1329677-21/usr/share/muni10:05:011
1148143995710,46cyclictest1210671-21kworker/u8:3+efi_rts_wq09:31:343
1148140995753,3cyclictest1210671-21kworker/u8:3+events_unbound09:35:141
1148140995751,4cyclictest1386479-21kworker/u8:3+events_unbound11:06:111
1148140995651,3cyclictest1251358-21kworker/u8:4+events_unbound09:00:091
1148140995641,3cyclictest1354667-31munin-graph10:25:551
1148136995653,2cyclictest1158862-21kworker/u8:0+flush-179:008:15:300
1148141995550,4cyclictest1339879-21/usr/share/muni10:15:082
1148140995549,5cyclictest1210671-21kworker/u8:3+flush-179:009:30:311
1148141995450,3cyclictest1247079-21chrome08:45:012
1148140995449,3cyclictest1385944-21kworker/u8:1+events_unbound11:10:311
1148141995349,3cyclictest1158862-21kworker/u8:0+flush-179:008:00:242
1148140995348,3cyclictest1271040-21kworker/u8:0+flush-179:009:52:511
1148140995348,3cyclictest1180651-21kworker/u8:1+flush-179:007:49:181
1148140995348,3cyclictest1131929-21kworker/u8:3+flush-179:007:30:211
1148140995344,8cyclictest1195396-21kworker/u8:2+flush-179:007:55:151
1148136995347,5cyclictest1345089-21/usr/share/muni10:20:040
1148136995344,8cyclictest1375841-21/usr/share/muni10:50:160
1148140995248,3cyclictest1417151-21kworker/u8:0+events_unbound11:57:011
1148140995247,4cyclictest1350407-21kworker/u8:0+events_unbound10:35:141
1148140995247,3cyclictest247557-21chrome09:05:371
1148136995246,4cyclictest1169487-21latency_hist07:30:010
1148140995146,3cyclictest1463650-21kworker/u8:1+flush-179:012:35:201
1148140995136,14cyclictest1158862-21kworker/u8:0+events_unbound08:06:421
1148140995046,3cyclictest1350407-21kworker/u8:0+flush-179:010:51:431
1148140995045,3cyclictest1484175-21kworker/u8:2+flush-179:012:32:571
1148136995044,4cyclictest1489555-21latency_hist12:40:010
1148143994941,6cyclictest3125724-21ThreadPoolForeg07:15:153
1148141994944,3cyclictest1360380-21/usr/share/muni10:35:122
1148140994945,3cyclictest1385944-21kworker/u8:1+flush-179:011:50:171
1148140994945,3cyclictest1385944-21kworker/u8:1+flush-179:011:21:431
1148140994945,3cyclictest1278658-21kworker/u8:1+events_unbound09:15:201
1148140994945,3cyclictest1131929-21kworker/u8:3+flush-179:007:44:071
1148140994944,4cyclictest1251358-21kworker/u8:4+flush-179:008:55:291
1148140994943,4cyclictest1195396-21kworker/u8:2+events_unbound08:10:331
1148140994933,11cyclictest1323928-21kworker/u8:2+events_unbound10:02:041
1148141994843,3cyclictest1370649-21chrome10:45:022
1148141994843,3cyclictest1370649-21chrome10:45:022
1148141994826,22cyclictest1115618-21kworker/u8:2+flush-179:007:30:302
1148140994846,2cyclictest1453680-21kworker/u8:2+events_unbound12:16:201
1148140994844,3cyclictest1386479-21kworker/u8:3+events_unbound11:01:531
1148140994843,4cyclictest1271040-21kworker/u8:0+events_unbound10:17:321
1148140994842,4cyclictest1210671-21kworker/u8:3+flush-179:009:25:281
1148140994825,22cyclictest1195396-21kworker/u8:2+flush-179:008:27:261
1148143994743,3cyclictest1251358-21kworker/u8:4+flush-179:008:50:013
1148143994740,5cyclictest1192290-21ntpq07:50:153
1148141994744,2cyclictest1158862-21kworker/u8:0+flush-179:007:25:212
1148141994743,3cyclictest1370021-21kworker/u8:1+flush-179:010:50:082
1148141994743,3cyclictest1220531-31munin-html08:15:362
1148140994742,4cyclictest1385944-21kworker/u8:1+flush-179:012:03:461
1148140994742,4cyclictest1278658-21kworker/u8:1+flush-179:009:22:471
1148140994735,8cyclictest1115618-21kworker/u8:2+flush-179:007:10:171
1148140994734,11cyclictest1236255-21kworker/u8:0+events_unbound08:34:191
1148136994735,8cyclictest1241465-21kworker/u8:1+flush-179:008:40:010
1148143994642,3cyclictest1278658-21kworker/u8:1+flush-179:009:15:233
1148143994640,3cyclictest1158862-21kworker/u8:0+flush-179:007:45:013
1148143994633,12cyclictest3718848-1kworker/3:1H+kblockd08:57:233
1148141994644,2cyclictest1385944-21kworker/u8:1+flush-179:011:50:292
1148140994643,2cyclictest1195396-21kworker/u8:2+events_unbound08:19:521
1148140994642,3cyclictest1210671-21kworker/u8:3+flush-179:008:45:281
1148140994642,3cyclictest1158862-21kworker/u8:0+flush-179:007:25:331
1148140994641,3cyclictest1195396-21kworker/u8:2+events_unbound08:50:281
1148140994639,5cyclictest1225747-31munin-html08:20:351
1148140994637,7cyclictest3125687-21ThreadPoolForeg09:10:351
1148136994644,1cyclictest0-21swapper/009:09:090
1148136994635,9cyclictest3125725-21ThreadPoolForeg11:45:100
1148136994635,9cyclictest3125725-21ThreadPoolForeg10:41:100
1148140994541,3cyclictest1417151-21kworker/u8:0+events_unbound12:20:161
1148140994541,3cyclictest1271040-21kworker/u8:0+flush-179:009:42:131
1148140994541,3cyclictest1158862-21kworker/u8:0+events_unbound07:21:061
1148140994541,3cyclictest1155581-21apt-get07:15:141
1148140994533,11cyclictest1385944-21kworker/u8:1+flush-179:011:42:271
1148136994540,4cyclictest1370347-21munin-update10:45:360
1148136994540,4cyclictest1370347-21munin-update10:45:360
1148136994540,4cyclictest1309116-13chrome09:45:070
1148136994540,4cyclictest1309116-13chrome09:45:070
1148136994538,5cyclictest1201034-21/usr/share/muni08:00:140
1148143994432,11cyclictest1297500-1kworker/3:0H+kblockd11:00:333
1148141994440,3cyclictest1210671-21kworker/u8:3+flush-179:008:30:142
1148141994439,4cyclictest1427582-31munin-html11:35:402
1148136994438,5cyclictest1195396-21kworker/u8:2+flush-179:007:55:330
114813699440,43cyclictest3125630-13chrome08:57:000
14102252430,1chrt1410229-21wc11:20:252
1148143994339,3cyclictest1158862-21kworker/u8:0+flush-179:007:56:123
1148141994339,3cyclictest1385944-21kworker/u8:1+flush-179:011:05:162
1148141994339,3cyclictest1236255-21kworker/u8:0+flush-179:008:37:222
1148141994328,13cyclictest1484481-21kworker/2:3+pm12:35:122
114814199431,15cyclictest3125721-21chrome11:01:462
1148140994340,2cyclictest1238046-21apt-get08:35:141
1148140994339,3cyclictest1417151-21kworker/u8:0+flush-179:012:14:261
1148140994338,4cyclictest1370021-21kworker/u8:1+events_unbound10:47:421
1148140994338,4cyclictest1370021-21kworker/u8:1+events_unbound10:47:421
1148140994338,4cyclictest1338983-31munin-html10:10:361
1148136994340,2cyclictest1070109-1kworker/0:0H+kblockd12:01:500
1148136994339,3cyclictest1195396-21kworker/u8:2+flush-179:008:05:190
1148136994338,3cyclictest1468310-21munin-limits12:15:350
1148136994338,3cyclictest1185525-21ThreadPoolSingl07:45:010
1148136994333,8cyclictest1395116-21munin-limits11:05:290
1148141994221,20cyclictest1417151-21kworker/u8:0+flush-179:011:55:152
1148140994239,2cyclictest1408975-21kworker/u8:4+flush-179:011:30:291
1148140994238,3cyclictest1385944-21kworker/u8:1+flush-179:011:25:041
1148140994238,3cyclictest1338868-21kworker/u8:4+events_unbound10:22:041
1148140994238,3cyclictest1131929-21kworker/u8:3+events_unbound07:36:511
1148143994138,2cyclictest1278658-21kworker/u8:1+flush-179:009:21:023
1148143994137,2cyclictest1278658-21kworker/u8:1+flush-179:009:25:053
1148143994136,4cyclictest1210981-21munin-update08:10:373
1148143994136,3cyclictest1158862-21kworker/u8:0+flush-179:008:15:113
1148143994134,6cyclictest247515-21ThreadPoolForeg10:15:233
1148143994133,6cyclictest3125687-21ThreadPoolForeg11:35:153
1148143994129,1cyclictest1260-21snmpd07:39:023
1148141994137,3cyclictest1344621-21kworker/u8:2+flush-179:010:20:222
1148141994129,1cyclictest1174306-21kworker/2:2+pm07:59:392
1148141994115,25cyclictest247562-13Chrome_ChildIOT11:45:062
1148140994136,4cyclictest1443312-21kworker/u8:3+events_unbound12:05:111
1148140994136,4cyclictest1443312-21kworker/u8:3+events_unbound12:05:111
1148140994135,4cyclictest1463650-21kworker/u8:1+flush-179:012:27:411
114814099411,38cyclictest3125721-21chrome11:38:471
1148136994136,3cyclictest1412109-21kworker/0:1+pm12:15:000
1148136994136,3cyclictest1070109-1kworker/0:0H+kblockd11:57:530
1148136994135,5cyclictest76405-21systemd-journal09:31:260
1148136994134,6cyclictest1070109-1kworker/0:0H+kblockd10:56:180
1148136994132,8cyclictest3125629-21e21169fc69a4c6708:33:440
1148143994034,4cyclictest1417151-21kworker/u8:0+flush-179:012:05:293
1148143994034,4cyclictest1417151-21kworker/u8:0+flush-179:012:05:293
1148143994033,6cyclictest1297500-1kworker/3:0H+kblockd11:47:393
1148143994033,5cyclictest1469388-21/usr/share/muni12:20:093
1148141994038,1cyclictest1174306-21kworker/2:2+pm07:46:542
1148141994037,2cyclictest1271040-21kworker/u8:0+flush-179:009:21:052
1148141994037,2cyclictest1205920-21kworker/2:0+pm11:11:152
1148141994037,2cyclictest1205920-21kworker/2:0+pm10:55:192
1148141994037,2cyclictest1205920-21kworker/2:0+pm10:43:342
1148141994037,2cyclictest1205920-21kworker/2:0+pm08:20:342
1148141994037,2cyclictest1174306-21kworker/2:2+pm07:37:272
1148141994036,2cyclictest1205920-21kworker/2:0+pm09:54:512
1148141994035,4cyclictest3125724-21ThreadPoolForeg07:10:162
114814199401,5cyclictest3125599-21python310:31:022
114814199401,17cyclictest3125709-13VizCompositorTh09:16:002
1148136994036,3cyclictest1070109-1kworker/0:0H+kblockd08:22:440
1148136994026,2cyclictest1070109-1kworker/0:0H+kblockd12:23:140
1148143993934,3cyclictest1297500-1kworker/3:0H+kblockd12:25:353
1148143993934,3cyclictest1158862-21kworker/u8:0+flush-179:008:00:163
1148141993937,1cyclictest1443163-21kworker/2:2+pm12:33:452
1148141993937,1cyclictest1205920-21kworker/2:0+pm10:26:222
1148141993937,1cyclictest1205920-21kworker/2:0+pm09:38:522
1148141993937,1cyclictest1205920-21kworker/2:0+pm08:57:242
1148141993937,1cyclictest1035939-21kworker/2:2+pm07:16:522
1148141993936,2cyclictest1205920-21kworker/2:0+pm10:13:552
1148141993936,2cyclictest1205920-21kworker/2:0+pm08:42:212
1148141993934,4cyclictest1210671-21kworker/u8:3+flush-179:008:10:182
1148141993933,5cyclictest1324324-21latency_hist10:00:012
1148141993933,4cyclictest247561-21ThreadPoolForeg08:26:592
1148141993932,6cyclictest247560-21ThreadPoolForeg09:40:292
114814199392,36cyclictest247557-21chrome08:53:592
114814199390,12cyclictest1266706-31munin-html09:00:362
1148140993934,3cyclictest1323928-21kworker/u8:2+events_unbound09:59:171
1148136993937,1cyclictest1260-21snmpd12:34:040
1148136993936,1cyclictest1380715-21kworker/0:0+pm11:17:440
1148136993935,3cyclictest1070109-1kworker/0:0H+kblockd11:30:170
1148143993836,1cyclictest1260-21snmpd07:14:003
1148143993835,2cyclictest1210671-21kworker/u8:3+flush-179:008:20:053
1148143993834,3cyclictest1278658-21kworker/u8:1+flush-179:009:45:203
1148143993834,3cyclictest1278658-21kworker/u8:1+flush-179:009:45:203
1148141993836,2cyclictest1443163-21kworker/2:2+pm12:21:572
1148141993836,1cyclictest1443163-21kworker/2:2+pm12:15:322
1148141993836,1cyclictest1443163-21kworker/2:2+pm12:01:432
1148141993836,1cyclictest1205920-21kworker/2:0+pm11:26:182
1148141993836,1cyclictest1205920-21kworker/2:0+pm10:04:252
1148141993836,1cyclictest1205920-21kworker/2:0+pm09:25:162
1148141993836,1cyclictest1205920-21kworker/2:0+pm09:12:212
1148141993836,1cyclictest1035939-21kworker/2:2+pm07:20:592
1148141993835,2cyclictest1443163-21kworker/2:2+pm12:27:102
1148141993835,2cyclictest1443163-21kworker/2:2+pm12:12:142
1148141993835,2cyclictest1443163-21kworker/2:2+pm12:05:052
1148141993835,2cyclictest1443163-21kworker/2:2+pm12:05:052
1148141993835,2cyclictest1205920-21kworker/2:0+pm11:31:562
1148141993835,2cyclictest1205920-21kworker/2:0+pm08:05:312
1148141993833,4cyclictest1205920-21kworker/2:0+pm11:40:362
1148140993835,2cyclictest1180651-21kworker/u8:1+flush-179:008:02:491
1148140993833,2cyclictest1350407-21kworker/u8:0+flush-179:010:58:591
1148136993835,2cyclictest1070109-1kworker/0:0H+kblockd08:28:390
1148136993834,2cyclictest1070109-1kworker/0:0H+kblockd11:41:300
1148136993833,4cyclictest1339268-31munin-graph10:10:580
1148136993832,5cyclictest247561-21ThreadPoolForeg10:17:190
1148136993831,4cyclictest1338868-21kworker/u8:4+flush-179:010:35:110
1148136993829,8cyclictest3125726-13Chrome_ChildIOT10:27:150
1148143993734,2cyclictest3718848-1kworker/3:1H+kblockd07:20:103
1148143993734,2cyclictest1297500-1kworker/3:0H+kblockd12:17:223
1148143993734,2cyclictest1297500-1kworker/3:0H+kblockd11:51:283
1148143993734,2cyclictest1297500-1kworker/3:0H+kblockd11:21:253
1148143993734,2cyclictest1297500-1kworker/3:0H+kblockd10:34:453
1148143993734,2cyclictest1297500-1kworker/3:0H+kblockd09:59:163
1148143993734,2cyclictest1297500-1kworker/3:0H+kblockd09:37:493
1148143993734,2cyclictest1195396-21kworker/u8:2+flush-179:008:05:053
1148143993733,2cyclictest1297500-1kworker/3:0H+kblockd10:55:053
1148143993733,2cyclictest1297500-1kworker/3:0H+kblockd10:27:483
1148143993732,3cyclictest1375841-21/usr/share/muni10:50:063
1148143993732,3cyclictest1370021-21kworker/u8:1+flush-179:010:45:183
1148143993732,3cyclictest1370021-21kworker/u8:1+flush-179:010:45:183
1148143993727,9cyclictest1297500-1kworker/3:0H+kblockd10:07:493
1148141993734,2cyclictest954105-1kworker/2:1H+kblockd07:50:052
1148141993734,2cyclictest1205920-21kworker/2:0+pm10:08:222
1148141993734,2cyclictest1205920-21kworker/2:0+pm09:06:282
1148141993711,24cyclictest247545-13VizCompositorTh11:15:452
1148136993734,2cyclictest1070109-1kworker/0:0H+kblockd07:45:270
1148136993734,2cyclictest1070109-1kworker/0:0H+kblockd07:22:590
1148136993734,1cyclictest1070109-1kworker/0:0H+kblockd10:05:580
1148136993733,3cyclictest1210671-21kworker/u8:3+flush-179:009:25:330
1148136993733,3cyclictest1070109-1kworker/0:0H+kblockd07:14:450
1148136993731,5cyclictest1158794-31munin-html07:15:390
1148143993634,1cyclictest3718848-1kworker/3:1H+kblockd09:02:153
1148143993634,1cyclictest3718848-1kworker/3:1H+kblockd08:28:073
1148143993634,1cyclictest3718848-1kworker/3:1H+kblockd07:29:593
1148143993634,1cyclictest1297500-1kworker/3:0H+kblockd12:32:283
1148143993634,1cyclictest1297500-1kworker/3:0H+kblockd11:43:133
1148143993633,2cyclictest3718848-1kworker/3:1H+kblockd07:30:043
1148143993633,2cyclictest1297500-1kworker/3:0H+kblockd11:27:293
1148143993632,3cyclictest1297500-1kworker/3:0H+kblockd10:12:483
1148143993632,3cyclictest1251358-21kworker/u8:4+flush-179:009:08:153
1148143993630,5cyclictest1395451-31munin-html11:05:363
1148143993620,4cyclictest247515-21ThreadPoolForeg09:13:043
1148141993633,2cyclictest1174306-21kworker/2:2+pm07:43:232
114814199361,2cyclictest1313711-31munin-graph09:46:072
114814199361,2cyclictest1313711-31munin-graph09:46:072
1148140993633,2cyclictest1241283-1kworker/1:0H+kblockd11:19:351
1148140993632,2cyclictest1241283-1kworker/1:0H+kblockd11:49:491
1148140993631,3cyclictest1210671-21kworker/u8:3+flush-179:008:42:001
1148136993634,1cyclictest1412109-21kworker/0:1+pm12:09:540
1148136993634,1cyclictest1412109-21kworker/0:1+pm12:09:540
1148136993634,1cyclictest1070109-1kworker/0:0H+kblockd09:35:060
1148136993633,2cyclictest1070109-1kworker/0:0H+kblockd11:10:310
1148136993633,2cyclictest1070109-1kworker/0:0H+kblockd10:00:050
1148136993633,2cyclictest1070109-1kworker/0:0H+kblockd08:46:540
1148136993632,2cyclictest1070109-1kworker/0:0H+kblockd11:25:040
1148136993632,2cyclictest1070109-1kworker/0:0H+kblockd09:57:440
1148136993632,2cyclictest1070109-1kworker/0:0H+kblockd07:35:050
1148136993631,3cyclictest3125721-21chrome08:52:020
1148136993630,4cyclictest76405-21systemd-journal09:40:050
1148136993629,5cyclictest1355284-21/usr/share/muni10:30:120
1148136993611,23cyclictest3125721-21chrome09:52:350
1148143993533,2cyclictest1297500-1kworker/3:0H+kblockd10:42:513
1148143993532,2cyclictest3125627-21ChromeDriver00:55:193
1148143993531,3cyclictest247544-13Chrome_ChildIOT09:50:093
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