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2026-01-01 - 15:58
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot2.osadl.org (updated Thu Jan 01, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2765249912241220,2cyclictest532964-21snmp_ryswitch.c12:05:041
2760382228199,19sleep10-21swapper/107:06:111
2760992225198,17sleep00-21swapper/007:06:550
2762182224194,19sleep20-21swapper/207:08:242
2761782224195,19sleep30-21swapper/307:07:533
27652499950,92cyclictest411795-21/usr/share/muni09:45:011
276536996653,1cyclictest463931-13chrome10:45:013
276522995951,7cyclictest306518-21kworker/u8:2+events_unbound09:05:150
276524995854,3cyclictest406920-21gpgv09:40:011
276522995849,8cyclictest411337-21kworker/u8:0+events_unbound09:50:130
276524995742,3cyclictest464024-21chrome10:45:001
276522995748,8cyclictest306518-21kworker/u8:2+events_unbound07:55:150
276532995147,3cyclictest306518-21kworker/u8:2+flush-179:008:55:092
276522995143,7cyclictest533261-21kworker/u8:1+events_unbound12:35:130
276532995046,3cyclictest493635-21kworker/u8:1+flush-179:011:30:052
276532994946,2cyclictest498182-21kworker/u8:3+events_unbound11:35:142
276532994945,3cyclictest250235-21kworker/u8:0+flush-179:007:30:142
276532994842,4cyclictest446865-21/usr/share/muni10:25:012
276522994845,2cyclictest549549-21kworker/u8:3+flush-179:012:25:150
276522994841,6cyclictest485321-21kworker/u8:3+events_unbound11:15:250
276536994743,3cyclictest306919-21latency_hist07:45:023
276532994743,3cyclictest320743-21kworker/u8:1+flush-179:008:20:002
276524994732,12cyclictest425085-21/usr/share/muni10:00:021
276522994739,7cyclictest293692-21kworker/u8:4+events_unbound08:15:150
276532994441,2cyclictest551756-21apt-get12:25:132
276532994440,3cyclictest411751-21CacheThread_Blo09:45:012
276532994440,3cyclictest406527-21kworker/u8:2+flush-179:010:35:132
276522994440,3cyclictest263602-21kworker/u8:1+flush-179:007:20:100
276532994339,3cyclictest428790-21kworker/u8:3+flush-179:010:10:052
276532994239,2cyclictest466953-21kworker/u8:2+events_unbound11:15:152
276532994237,4cyclictest298581-21/usr/share/muni07:35:162
276532994236,5cyclictest558757-21/usr/share/muni12:35:152
276524994238,3cyclictest472093-21kworker/u8:1+events_unbound10:55:151
276522994238,3cyclictest487609-21ntpq11:10:140
276522994237,4cyclictest386826-21ntpq09:15:090
276536994139,1cyclictest1318-21snmpd11:34:343
276536994137,3cyclictest367410-21ntpq08:50:223
276532994137,3cyclictest389775-21kworker/u8:0+flush-179:009:30:102
276532994137,2cyclictest257439-21kworker/2:0+pm08:45:122
276532994136,4cyclictest465449-21ThreadPoolForeg10:45:112
276532994136,4cyclictest420510-21/usr/share/muni09:55:042
276524994138,2cyclictest306518-21kworker/u8:2+flush-179:009:25:111
276524994137,3cyclictest478908-21cat11:00:131
276522994138,2cyclictest4396-1kworker/0:1H+kblockd10:24:150
276522994137,3cyclictest306518-21kworker/u8:2+flush-179:008:20:150
276536994036,3cyclictest359408-21CacheThread_Blo08:45:013
276532994038,2cyclictest515265-21kworker/u8:0+events_unbound11:50:132
276532994037,2cyclictest528239-21kworker/2:1+pm12:30:012
276532994037,2cyclictest393609-21kworker/u8:1+events_unbound09:40:162
276532994036,3cyclictest293692-21kworker/u8:4+events_unbound08:05:082
276532994036,3cyclictest263602-21kworker/u8:1+flush-179:007:25:142
276532994035,4cyclictest406778-21latency_hist09:40:012
276532994029,1cyclictest257439-21kworker/2:0+pm07:11:032
276524994035,4cyclictest485519-21/usr/share/muni11:10:021
276524994035,3cyclictest498138-21latency_hist11:25:011
276522994037,2cyclictest306518-21kworker/u8:2+flush-179:008:30:150
276522994036,3cyclictest359419-21chrome08:45:010
276522994036,3cyclictest273858-21kworker/u8:3+flush-179:007:15:070
276522994033,5cyclictest364262-21/usr/share/muni08:50:030
276522994032,2cyclictest515265-21kworker/u8:0+events_unbound11:45:150
276536993935,3cyclictest340775-21ntpq08:20:193
276532993937,1cyclictest528239-21kworker/2:1+pm12:16:032
276532993937,1cyclictest472988-21kworker/2:2+pm11:10:182
276532993937,1cyclictest257439-21kworker/2:0+pm08:51:062
276532993937,1cyclictest257439-21kworker/2:0+pm07:40:182
276532993936,2cyclictest523967-21kworker/u8:2+events_unbound12:00:142
276532993935,3cyclictest420172-21kworker/u8:1+events_unbound09:55:012
276532993934,3cyclictest280930-21/usr/share/muni07:15:032
27653299390,15cyclictest454832-31munin-graph10:30:572
276524993933,4cyclictest545576-21/usr/share/muni12:20:081
276522993936,2cyclictest4396-1kworker/0:1H+kblockd11:20:120
276522993936,2cyclictest420172-21kworker/u8:1+flush-179:010:05:110
276522993936,2cyclictest306518-21kworker/u8:2+flush-179:008:10:260
276522993935,3cyclictest514580-21munin-limits11:40:300
276522993931,2cyclictest293692-21kworker/u8:4+events_unbound08:35:250
276522993931,2cyclictest293692-21kworker/u8:4+events_unbound08:35:240
276522993920,13cyclictest293692-21kworker/u8:4+events_unbound08:05:130
276536993836,1cyclictest4115961-1kworker/3:1H+kblockd07:37:393
276532993837,1cyclictest408789-21kworker/2:2+pm10:01:332
276532993837,1cyclictest257439-21kworker/2:0+pm08:21:212
276532993836,1cyclictest408789-21kworker/2:2+pm10:16:492
276532993836,1cyclictest408789-21kworker/2:2+pm10:05:012
276532993836,1cyclictest381163-21kworker/2:1+pm09:15:382
276532993836,1cyclictest257439-21kworker/2:0+pm07:20:032
276524993835,2cyclictest263803-1kworker/1:2H+kblockd12:35:001
276522993835,2cyclictest498182-21kworker/u8:3+flush-179:011:50:110
276522993834,3cyclictest472093-21kworker/u8:1+flush-179:010:55:090
276522993834,3cyclictest389775-21kworker/u8:0+flush-179:009:30:000
276522993834,2cyclictest4396-1kworker/0:1H+kblockd08:40:050
276522993831,7cyclictest406527-21kworker/u8:2+events_unbound10:15:100
276522993829,3cyclictest250235-21kworker/u8:0+events_unbound07:45:160
276536993735,1cyclictest4115961-1kworker/3:1H+kblockd09:37:273
276536993734,2cyclictest4115961-1kworker/3:1H+kblockd12:25:063
276532993736,1cyclictest528239-21kworker/2:1+pm12:05:502
276532993736,1cyclictest472988-21kworker/2:2+pm11:41:152
276532993735,1cyclictest459340-21kworker/2:0+pm10:41:062
276532993735,1cyclictest257439-21kworker/2:0+pm09:11:022
276532993735,1cyclictest257439-21kworker/2:0+pm08:30:012
276532993735,1cyclictest257439-21kworker/2:0+pm07:50:462
276532993734,2cyclictest381163-21kworker/2:1+pm09:25:032
276532993734,2cyclictest257439-21kworker/2:0+pm08:00:042
27653299370,12cyclictest332762-31munin-graph08:11:022
276524993734,2cyclictest263803-1kworker/1:2H+kblockd12:10:041
276524993734,2cyclictest263803-1kworker/1:2H+kblockd08:50:031
276524993734,1cyclictest263803-1kworker/1:2H+kblockd12:15:011
276524993731,4cyclictest420517-21/usr/share/muni09:55:031
276524993731,4cyclictest416539-21ntpq09:50:051
276522993735,1cyclictest4396-1kworker/0:1H+kblockd11:25:300
276522993734,2cyclictest4396-1kworker/0:1H+kblockd11:05:290
276522993734,2cyclictest4396-1kworker/0:1H+kblockd09:45:060
276522993734,2cyclictest306518-21kworker/u8:2+flush-179:008:55:050
276522993733,3cyclictest47022-21systemd-journal12:35:000
276522993730,6cyclictest406527-21kworker/u8:2+events_unbound10:00:110
276522993729,7cyclictest523967-21kworker/u8:2+events_unbound11:55:290
276536993634,1cyclictest4115961-1kworker/3:1H+kblockd08:28:053
276536993634,1cyclictest400663-21kworker/3:1+pm10:51:173
276536993633,2cyclictest4115961-1kworker/3:1H+kblockd12:36:233
276536993633,2cyclictest4115961-1kworker/3:1H+kblockd11:54:473
276536993633,2cyclictest4115961-1kworker/3:1H+kblockd11:29:363
276536993630,4cyclictest511170-21/usr/share/muni11:40:163
276536993624,12cyclictest4115961-1kworker/3:1H+kblockd10:28:373
276532993635,1cyclictest257439-21kworker/2:0+pm08:41:262
276532993634,1cyclictest528239-21kworker/2:1+pm12:20:112
276532993634,1cyclictest2983160-1kworker/2:2H+kblockd09:20:422
276532993634,1cyclictest2983160-1kworker/2:2H+kblockd08:31:242
276532993634,1cyclictest257439-21kworker/2:0+pm09:08:512
276532993634,1cyclictest257439-21kworker/2:0+pm07:56:352
276532993633,2cyclictest2983160-1kworker/2:2H+kblockd11:46:302
276532993624,11cyclictest472988-21kworker/2:2+pm11:00:042
276532993610,25cyclictest540382-31munin-html12:10:342
276524993634,1cyclictest263803-1kworker/1:2H+kblockd08:26:201
276524993634,1cyclictest263803-1kworker/1:2H+kblockd07:28:571
276524993633,2cyclictest263803-1kworker/1:2H+kblockd11:31:501
276524993633,2cyclictest263803-1kworker/1:2H+kblockd08:20:061
276522993634,2cyclictest466953-21kworker/u8:2+flush-179:011:00:130
276522993634,1cyclictest4396-1kworker/0:1H+kblockd09:38:210
276522993634,1cyclictest4396-1kworker/0:1H+kblockd09:01:310
276522993633,2cyclictest4396-1kworker/0:1H+kblockd07:35:050
276536993533,1cyclictest4115961-1kworker/3:1H+kblockd10:20:063
276536993533,1cyclictest4115961-1kworker/3:1H+kblockd08:31:243
276536993533,1cyclictest4115961-1kworker/3:1H+kblockd08:11:553
276536993533,1cyclictest4115961-1kworker/3:1H+kblockd08:05:553
276536993533,1cyclictest4115961-1kworker/3:1H+kblockd07:30:493
276536993533,1cyclictest4115961-1kworker/3:1H+kblockd07:17:073
276536993532,2cyclictest4115961-1kworker/3:1H+kblockd11:10:033
276536993532,2cyclictest4115961-1kworker/3:1H+kblockd09:10:103
276536993532,2cyclictest4115961-1kworker/3:1H+kblockd08:40:043
276532993533,1cyclictest472988-21kworker/2:2+pm11:25:092
276532993533,1cyclictest472988-21kworker/2:2+pm11:05:282
276532993533,1cyclictest2983160-1kworker/2:2H+kblockd09:00:112
276532993533,1cyclictest2983160-1kworker/2:2H+kblockd08:35:172
276532993533,1cyclictest2983160-1kworker/2:2H+kblockd08:35:172
276532993531,3cyclictest480855-21kworker/u8:0+events_unbound11:20:022
276524993534,1cyclictest263803-1kworker/1:2H+kblockd11:06:201
276524993534,1cyclictest263803-1kworker/1:2H+kblockd07:51:061
276524993533,1cyclictest380924-21kworker/1:1+pm09:43:461
276524993533,1cyclictest263803-1kworker/1:2H+kblockd12:36:131
276524993533,1cyclictest263803-1kworker/1:2H+kblockd12:00:171
276524993533,1cyclictest263803-1kworker/1:2H+kblockd09:21:571
276524993533,1cyclictest263803-1kworker/1:2H+kblockd07:10:481
276522993533,1cyclictest4396-1kworker/0:1H+kblockd12:12:500
276522993533,1cyclictest4396-1kworker/0:1H+kblockd10:55:000
276522993533,1cyclictest4396-1kworker/0:1H+kblockd08:00:290
276522993533,1cyclictest4396-1kworker/0:1H+kblockd07:50:130
276536993433,1cyclictest495709-21awk11:20:123
276536993433,1cyclictest4115961-1kworker/3:1H+kblockd09:15:213
276536993432,1cyclictest4115961-1kworker/3:1H+kblockd10:15:293
276536993432,1cyclictest4115961-1kworker/3:1H+kblockd10:05:473
276536993432,1cyclictest4115961-1kworker/3:1H+kblockd10:00:043
276536993432,1cyclictest4115961-1kworker/3:1H+kblockd09:20:183
276536993432,1cyclictest4115961-1kworker/3:1H+kblockd07:25:463
276536993430,3cyclictest506421-21kworker/u8:0+flush-179:011:35:313
276532993432,1cyclictest257439-21kworker/2:0+pm07:45:302
276524993433,1cyclictest263803-1kworker/1:2H+kblockd09:17:331
276524993433,1cyclictest263803-1kworker/1:2H+kblockd07:19:431
276524993432,2cyclictest263803-1kworker/1:2H+kblockd11:46:361
276524993432,1cyclictest429183-21kworker/1:0+pm10:50:171
276524993432,1cyclictest429183-21kworker/1:0+pm10:25:101
276524993432,1cyclictest263803-1kworker/1:2H+kblockd10:44:341
276524993432,1cyclictest263803-1kworker/1:2H+kblockd10:06:031
276524993429,4cyclictest298854-21ntpq07:35:031
276522993432,1cyclictest4396-1kworker/0:1H+kblockd10:11:060
276522993432,1cyclictest4396-1kworker/0:1H+kblockd09:20:450
276522993431,2cyclictest273858-21kworker/u8:3+flush-179:007:10:220
276536993332,1cyclictest480743-21kworker/3:1+pm11:18:453
276536993331,1cyclictest4115961-1kworker/3:1H+kblockd12:18:313
276536993331,1cyclictest4115961-1kworker/3:1H+kblockd08:35:173
276536993331,1cyclictest4115961-1kworker/3:1H+kblockd08:35:173
276536993331,1cyclictest4115961-1kworker/3:1H+kblockd07:20:313
276536993330,2cyclictest4115961-1kworker/3:1H+kblockd11:59:073
276536993330,2cyclictest400663-21kworker/3:1+pm10:45:003
276536993328,3cyclictest536966-21/usr/share/muni12:10:023
276532993331,1cyclictest468322-21kworker/2:1+pm10:56:232
276532993330,2cyclictest441773-21kworker/u8:0+flush-179:010:20:092
276532993329,3cyclictest515265-21kworker/u8:0+events_unbound11:55:062
276524993331,1cyclictest428790-21kworker/u8:3+flush-179:010:10:211
276524993331,1cyclictest263803-1kworker/1:2H+kblockd08:32:201
276524993331,1cyclictest263803-1kworker/1:2H+kblockd07:58:481
276524993330,2cyclictest263803-1kworker/1:2H+kblockd09:05:041
276524993330,2cyclictest263803-1kworker/1:2H+kblockd07:40:281
276524993328,4cyclictest553050-21munin-limits12:25:281
276522993330,2cyclictest4396-1kworker/0:1H+kblockd12:05:040
276522993330,2cyclictest293692-21kworker/u8:4+flush-179:008:27:460
276522993329,3cyclictest250235-21kworker/u8:0+events_unbound07:40:140
276522993326,6cyclictest406527-21kworker/u8:2+events_unbound10:35:160
276536993230,1cyclictest515181-21kworker/3:0+pm12:30:103
276536993230,1cyclictest411470-21munin-update09:45:013
276536993230,1cyclictest1318-21snmpd11:03:003
276536993230,1cyclictest1318-21snmpd10:10:153
276536993230,1cyclictest1318-21snmpd09:01:333
276536993230,1cyclictest1318-21snmpd08:01:303
276536993229,2cyclictest4115961-1kworker/3:1H+kblockd11:45:013
276536993229,2cyclictest308741-21kworker/3:0+pm09:31:423
276536993229,2cyclictest1318-21snmpd12:00:113
276536993228,3cyclictest452238-21apt-get10:30:073
276536993227,4cyclictest419523-21munin-limits09:50:303
276532993229,2cyclictest2983160-1kworker/2:2H+kblockd10:50:112
276524993231,0cyclictest1318-21snmpd08:42:531
276524993230,1cyclictest263803-1kworker/1:2H+kblockd11:54:361
276524993229,2cyclictest263803-1kworker/1:2H+kblockd09:01:121
276522993230,2cyclictest263602-21kworker/u8:1+flush-179:007:25:270
276522993230,1cyclictest4396-1kworker/0:1H+kblockd09:31:250
276522993229,2cyclictest498182-21kworker/u8:3+flush-179:011:35:090
276522993227,4cyclictest540999-21munin-update12:15:040
276522993225,7cyclictest466953-21kworker/u8:2+events_unbound11:30:240
276536993129,1cyclictest4115961-1kworker/3:1H+kblockd08:17:013
276536993129,1cyclictest1318-21snmpd07:47:213
276536993128,2cyclictest4115961-1kworker/3:1H+kblockd09:07:123
276536993127,3cyclictest420525-21/usr/share/muni09:55:163
276524993130,0cyclictest331910-21awk08:10:181
276524993129,1cyclictest399577-21awk09:30:071
276524993129,1cyclictest263803-1kworker/1:2H+kblockd11:25:121
276524993129,1cyclictest1318-21snmpd11:42:181
276524993129,1cyclictest1318-21snmpd07:32:081
276524993125,4cyclictest458556-21ntpq10:35:211
276522993129,1cyclictest4396-1kworker/0:1H+kblockd10:41:050
276522993129,1cyclictest1318-21snmpd12:01:340
276522993129,1cyclictest1318-21snmpd07:30:120
276536993029,0cyclictest1318-21snmpd09:45:343
276536993028,1cyclictest4115961-1kworker/3:1H+kblockd10:35:303
276536993028,1cyclictest371420-21awk08:55:193
276536993028,1cyclictest1318-21snmpd11:07:233
276536993028,1cyclictest1318-21snmpd07:57:153
276524993029,1cyclictest492181-21awk11:15:161
276524993029,1cyclictest263803-1kworker/1:2H+kblockd08:49:011
276524993029,1cyclictest263803-1kworker/1:2H+kblockd08:04:361
276524993029,0cyclictest1318-21snmpd08:16:221
276524993028,1cyclictest384182-21awk09:10:181
276524993028,1cyclictest263803-1kworker/1:2H+kblockd11:55:471
276524993028,1cyclictest263803-1kworker/1:2H+kblockd08:57:321
276524993028,1cyclictest263803-1kworker/1:2H+kblockd07:24:531
276524993028,1cyclictest1318-21snmpd10:33:021
276524993028,1cyclictest1318-21snmpd10:20:051
276522993029,0cyclictest1318-21snmpd09:42:080
276522993026,3cyclictest1135-21mosquitto10:45:070
276536992928,1cyclictest4115961-1kworker/3:1H+kblockd07:11:423
276536992928,1cyclictest1318-21snmpd12:20:443
276536992928,1cyclictest1318-21snmpd09:25:573
276536992928,0cyclictest1318-21snmpd07:52:433
276536992927,1cyclictest4115961-1kworker/3:1H+kblockd12:07:203
276524992929,0cyclictest326866-21awk08:05:151
276524992925,3cyclictest439581-21apt-get10:15:131
276522992927,1cyclictest452209-21awk10:30:070
276522992927,1cyclictest4396-1kworker/0:1H+kblockd12:20:420
276522992927,1cyclictest4396-1kworker/0:1H+kblockd09:13:320
276522992926,2cyclictest420172-21kworker/u8:1+flush-179:009:55:130
276536992826,1cyclictest1318-21snmpd10:55:483
276524992827,1cyclictest508502-21awk11:35:111
276522992828,0cyclictest449730-21awk10:25:190
276524992725,1cyclictest1318-21snmpd08:35:291
276524992725,1cyclictest1318-21snmpd08:35:281
276524992624,1cyclictest263803-1kworker/1:2H+kblockd07:45:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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