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2025-12-06 - 00:27
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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 Fri Dec 05, 2025 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40937292225195,20sleep30-21swapper/307:08:163
40937282225174,18sleep20-21swapper/207:08:152
40937472224197,18sleep10-21swapper/107:08:301
40936512222184,29sleep00-21swapper/007:07:140
4094053997874,2cyclictest4163264-21snmp_areswitch.08:45:012
4094049995649,6cyclictest4173181-21kworker/u8:1+events_unbound09:10:140
4094058995144,4cyclictest67902-21chrome10:45:013
409404999517,43cyclictest4106724-21kworker/u8:1+efi_rts_wq08:46:440
4094049995149,1cyclictest67841-13chrome10:45:010
4094049994845,2cyclictest41556-21kworker/u8:2+events_unbound10:35:140
4094049994845,2cyclictest4101945-21kworker/u8:0+events_unbound07:40:140
4094058994744,2cyclictest4083491-21kworker/u8:1+flush-179:007:15:263
4094058994744,2cyclictest4015263-21kworker/u8:2+events_unbound07:25:093
4094052994744,2cyclictest8344-21kworker/u8:2+events_unbound09:35:081
4094052994744,2cyclictest32771-21kworker/u8:1+events_unbound10:10:121
4094049994744,2cyclictest4173181-21kworker/u8:1+events_unbound09:20:130
4094049994644,2cyclictest4148589-21kworker/u8:3+flush-179:008:25:180
4094053994538,5cyclictest141232-21/usr/share/muni12:10:042
4094053994537,4cyclictest58796-21kworker/2:2+pm10:46:472
4094049994539,2cyclictest14760-21kworker/u8:0+events_unbound10:15:090
4094058994441,2cyclictest4173181-21kworker/u8:1+flush-179:009:15:113
4094053994436,7cyclictest103793-21snmp_wlanpowerc11:25:112
4094053994433,5cyclictest2414918-1kworker/2:0H+kblockd09:45:142
409405399441,2cyclictest49801-31munin-html10:21:192
4094052994439,4cyclictest119762-21chrome11:45:021
4094052994438,4cyclictest4130755-21latency_hist08:00:001
4094049994437,2cyclictest4158435-21kworker/u8:0+events_unbound08:40:050
4094049994433,3cyclictest4106724-21kworker/u8:1+events_unbound08:05:080
4094058994341,2cyclictest149351-21kworker/u8:2+flush-179:012:20:153
4094053994329,12cyclictest4136953-21kworker/2:3+pm08:16:332
4094052994340,2cyclictest4182488-21kworker/u8:0+flush-179:009:20:001
4094052994336,3cyclictest101953-21kworker/u8:3+flush-179:011:25:051
4094053994233,4cyclictest129602-21kworker/2:2+pm12:30:052
4094058994138,2cyclictest49189-21kworker/u8:4+flush-179:010:50:063
4094058994138,2cyclictest4106724-21kworker/u8:1+events_unbound08:05:153
4094058994138,2cyclictest106300-21kworker/u8:1+flush-179:011:35:113
4094053994138,2cyclictest4136953-21kworker/2:3+pm09:25:212
4094053994138,2cyclictest4136953-21kworker/2:3+pm09:16:342
4094052994135,5cyclictest166621-21latency_hist12:40:011
4094053994037,2cyclictest69300-21kworker/2:1+pm11:51:262
4094053994037,2cyclictest69300-21kworker/2:1+pm11:16:382
4094053994037,2cyclictest69300-21kworker/2:1+pm11:00:172
4094053994037,2cyclictest4136953-21kworker/2:3+pm09:37:182
4094053994037,2cyclictest4136953-21kworker/2:3+pm09:11:242
4094053994035,4cyclictest129602-21kworker/2:2+pm12:16:352
4094053994035,4cyclictest129602-21kworker/2:2+pm12:16:352
4094053994035,3cyclictest4166477-21/usr/share/muni08:50:132
4094053994034,4cyclictest69300-21kworker/2:1+pm11:32:022
4094053994034,4cyclictest4147958-21/usr/share/muni08:25:092
4094052994036,3cyclictest53985-21kworker/u8:0+flush-179:010:55:051
4094052994036,3cyclictest4106724-21kworker/u8:1+flush-179:008:40:081
4094052994029,10cyclictest1318-21snmpd11:42:231
4094049994037,2cyclictest4101945-21kworker/u8:0+events_unbound08:20:130
4094049994036,3cyclictest97650-21kworker/u8:0+events_unbound12:05:040
4094049994036,3cyclictest53985-21kworker/u8:0+events_unbound10:45:000
4094049994035,4cyclictest97650-21kworker/u8:0+events_unbound11:30:050
4094058993935,3cyclictest27829-21ntpq09:55:243
4094058993935,3cyclictest27829-21ntpq09:55:233
4094058993934,4cyclictest77713-21ntpq10:55:083
4094058993934,3cyclictest4188602-21/usr/share/muni09:20:093
4094053993937,1cyclictest4136953-21kworker/2:3+pm09:31:162
4094053993936,2cyclictest69300-21kworker/2:1+pm11:05:122
4094053993936,2cyclictest69300-21kworker/2:1+pm10:51:382
4094053993936,2cyclictest4136953-21kworker/2:3+pm09:06:502
4094053993936,2cyclictest4136953-21kworker/2:3+pm08:10:032
4094053993936,2cyclictest4105926-21kworker/2:0+pm07:45:192
4094053993936,2cyclictest37277-21kworker/2:1+pm10:16:142
4094053993934,4cyclictest2414918-1kworker/2:0H+kblockd07:37:542
4094053993934,4cyclictest129512-21apt-get11:55:082
4094053993934,3cyclictest4136953-21kworker/2:3+pm09:55:042
4094053993934,3cyclictest4136953-21kworker/2:3+pm09:55:032
4094053993932,5cyclictest54042-31munin-html10:26:252
4094053993928,8cyclictest4136953-21kworker/2:3+pm08:41:132
409405399390,14cyclictest124119-21snmp_ryswitch2.11:50:012
4094052993935,3cyclictest59279-21/usr/share/muni10:35:021
4094049993937,2cyclictest32771-21kworker/u8:1+events_unbound10:25:250
4094049993937,1cyclictest1318-21snmpd09:31:210
4094049993936,2cyclictest4162995-21kworker/u8:3+events_unbound08:55:130
4094058993836,2cyclictest4106724-21kworker/u8:1+flush-179:007:35:053
4094058993835,2cyclictest97650-21kworker/u8:0+flush-179:012:05:103
4094053993836,1cyclictest58796-21kworker/2:2+pm10:38:372
4094053993836,1cyclictest4136953-21kworker/2:3+pm08:24:362
4094053993836,1cyclictest37277-21kworker/2:1+pm10:10:162
4094053993836,1cyclictest129602-21kworker/2:2+pm12:37:042
4094053993836,1cyclictest129602-21kworker/2:2+pm12:21:392
4094053993835,2cyclictest69300-21kworker/2:1+pm11:40:032
4094053993835,2cyclictest69300-21kworker/2:1+pm11:21:382
4094053993835,2cyclictest4136953-21kworker/2:3+pm08:37:082
4094053993835,1cyclictest4136953-21kworker/2:3+pm09:40:152
4094053993834,2cyclictest4136953-21kworker/2:3+pm08:30:082
4094053993832,4cyclictest2414918-1kworker/2:0H+kblockd09:01:022
4094053993831,6cyclictest2414918-1kworker/2:0H+kblockd10:06:162
4094049993836,2cyclictest97650-21kworker/u8:0+flush-179:011:40:060
4094049993836,1cyclictest4093625-21kworker/0:0+pm08:10:260
4094049993835,2cyclictest32771-21kworker/u8:1+events_unbound10:25:000
4094058993734,2cyclictest3737610-1kworker/3:0H+kblockd09:41:253
409405399379,26cyclictest58738-31munin-graph10:31:342
4094053993735,1cyclictest4105926-21kworker/2:0+pm08:01:312
4094053993735,1cyclictest4089496-21kworker/2:2+pm07:16:152
4094053993734,2cyclictest4089496-21kworker/2:2+pm07:20:102
4094053993734,2cyclictest4089496-21kworker/2:2+pm07:20:102
4094053993734,2cyclictest2414918-1kworker/2:0H+kblockd09:20:462
4094053993733,2cyclictest2414918-1kworker/2:0H+kblockd11:35:102
4094053993733,2cyclictest2414918-1kworker/2:0H+kblockd10:01:272
4094053993730,5cyclictest24142-31munin-html09:51:202
4094053993729,7cyclictest4127803-21awk07:55:062
409405399371,13cyclictest4119780-31munin-html07:41:202
4094052993735,1cyclictest45624-21kworker/1:1+pm10:50:301
4094052993734,2cyclictest3888516-1kworker/1:2H+kblockd08:36:481
4094052993733,2cyclictest3888516-1kworker/1:2H+kblockd10:20:041
4094049993735,1cyclictest4158770-21kworker/0:1+pm09:07:550
4094049993734,2cyclictest97650-21kworker/u8:0+events_unbound11:50:150
4094049993734,2cyclictest88767-21kworker/u8:2+events_unbound11:15:130
4094049993734,2cyclictest4015263-21kworker/u8:2+events_unbound07:25:190
4094049993733,2cyclictest3603118-1kworker/0:0H+kblockd12:25:040
4094058993635,1cyclictest14760-21kworker/u8:0+flush-179:010:10:263
4094058993634,1cyclictest3737610-1kworker/3:0H+kblockd12:36:513
4094058993634,1cyclictest3737610-1kworker/3:0H+kblockd11:51:053
4094058993634,1cyclictest3737610-1kworker/3:0H+kblockd11:16:383
4094058993633,2cyclictest3737610-1kworker/3:0H+kblockd09:05:033
4094058993632,3cyclictest20292-21/usr/share/muni09:50:153
4094053993634,1cyclictest129602-21kworker/2:2+pm12:26:282
4094053993633,2cyclictest2414918-1kworker/2:0H+kblockd12:05:252
4094053993633,2cyclictest129602-21kworker/2:2+pm12:01:312
4094052993634,1cyclictest76426-21kworker/1:2+pm12:10:321
4094052993634,1cyclictest4101950-21kworker/1:2+pm08:53:591
4094052993633,2cyclictest3888516-1kworker/1:2H+kblockd10:45:041
4094052993633,2cyclictest3888516-1kworker/1:2H+kblockd10:25:271
4094052993633,2cyclictest119045-21kworker/u8:1+events_unbound12:00:111
4094049993634,1cyclictest4093625-21kworker/0:0+pm08:31:010
4094049993634,1cyclictest3603118-1kworker/0:0H+kblockd12:31:140
4094049993634,1cyclictest3603118-1kworker/0:0H+kblockd12:21:140
4094049993634,1cyclictest3603118-1kworker/0:0H+kblockd11:02:280
4094049993633,2cyclictest97650-21kworker/u8:0+events_unbound12:15:140
4094049993633,2cyclictest97650-21kworker/u8:0+events_unbound12:15:140
4094049993633,2cyclictest4162995-21kworker/u8:3+flush-179:009:50:010
4094049993633,2cyclictest4101945-21kworker/u8:0+flush-179:007:30:100
4094049993633,2cyclictest3603118-1kworker/0:0H+kblockd07:46:490
4094049993633,2cyclictest3603118-1kworker/0:0H+kblockd07:36:440
4094049993633,2cyclictest14760-21kworker/u8:0+flush-179:010:05:110
4094049993633,1cyclictest3603118-1kworker/0:0H+kblockd10:31:370
4094049993631,4cyclictest32083-21ntpq10:00:240
4094049993630,5cyclictest133103-21ntpq12:00:030
4094049993629,2cyclictest4015263-21kworker/u8:2+events_unbound07:50:140
4094058993533,1cyclictest4098159-21kworker/3:2+pm08:15:293
4094058993533,1cyclictest4098159-21kworker/3:2+pm07:40:473
4094058993533,1cyclictest3737610-1kworker/3:0H+kblockd12:17:023
4094058993533,1cyclictest3737610-1kworker/3:0H+kblockd12:17:013
4094058993533,1cyclictest3737610-1kworker/3:0H+kblockd10:35:283
4094058993532,2cyclictest3737610-1kworker/3:0H+kblockd10:40:133
4094058993532,2cyclictest3737610-1kworker/3:0H+kblockd09:45:173
4094058993532,2cyclictest3737610-1kworker/3:0H+kblockd08:01:073
4094058993531,3cyclictest88364-21ntpq11:05:253
4094053993533,1cyclictest4105926-21kworker/2:0+pm07:51:102
4094053993533,1cyclictest2414918-1kworker/2:0H+kblockd07:30:012
4094053993532,2cyclictest69300-21kworker/2:1+pm11:11:292
4094053993532,2cyclictest4105926-21kworker/2:0+pm07:31:572
409405399350,2cyclictest4097893-31munin-graph07:11:372
409405399350,13cyclictest4136619-31munin-graph08:06:322
4094052993534,1cyclictest3888516-1kworker/1:2H+kblockd11:02:321
4094052993533,1cyclictest4169381-21kworker/1:0+pm09:23:411
4094052993533,1cyclictest3888516-1kworker/1:2H+kblockd08:10:111
4094052993529,4cyclictest124087-21/usr/share/muni11:50:021
4094052993528,5cyclictest4101945-21kworker/u8:0+flush-179:008:05:051
4094052993527,7cyclictest4132047-21awk08:00:061
4094049993535,0cyclictest1318-21snmpd09:55:590
4094049993535,0cyclictest1318-21snmpd09:55:590
4094049993534,1cyclictest4158770-21kworker/0:1+pm10:53:410
4094049993532,2cyclictest4106724-21kworker/u8:1+flush-179:008:15:150
4094049993532,2cyclictest3603118-1kworker/0:0H+kblockd09:51:140
4094049993531,2cyclictest3603118-1kworker/0:0H+kblockd08:36:150
4094058993432,1cyclictest80566-21kworker/3:1+pm11:33:483
4094058993432,1cyclictest3737610-1kworker/3:0H+kblockd11:21:183
4094058993432,1cyclictest3737610-1kworker/3:0H+kblockd09:04:303
4094058993431,3cyclictest97650-21kworker/u8:0+flush-179:012:00:203
4094058993431,2cyclictest3737610-1kworker/3:0H+kblockd09:30:063
4094058993430,2cyclictest1318-21snmpd11:25:033
4094053993432,1cyclictest58796-21kworker/2:2+pm10:40:382
4094053993428,5cyclictest4169594-21/usr/share/muni08:55:042
4094052993432,1cyclictest3888516-1kworker/1:2H+kblockd09:11:231
4094052993431,2cyclictest41983-21snmp_areswitch.10:15:041
4094052993431,2cyclictest4101945-21kworker/u8:0+flush-179:007:40:161
4094052993431,2cyclictest3888516-1kworker/1:2H+kblockd11:56:141
4094052993429,4cyclictest4173841-21/usr/share/muni09:00:011
4094049993433,1cyclictest3603118-1kworker/0:0H+kblockd07:20:020
4094049993433,1cyclictest3603118-1kworker/0:0H+kblockd07:20:020
4094049993432,1cyclictest3603118-1kworker/0:0H+kblockd11:20:090
4094049993432,1cyclictest3603118-1kworker/0:0H+kblockd07:55:150
4094058993331,2cyclictest4015263-21kworker/u8:2+flush-179:007:10:153
4094058993331,2cyclictest32771-21kworker/u8:1+flush-179:010:25:123
4094058993331,1cyclictest3737610-1kworker/3:0H+kblockd10:15:173
4094058993331,1cyclictest3737610-1kworker/3:0H+kblockd08:51:133
4094058993331,1cyclictest3737610-1kworker/3:0H+kblockd08:31:153
4094058993331,1cyclictest3737610-1kworker/3:0H+kblockd08:27:313
4094058993330,2cyclictest32771-21kworker/u8:1+flush-179:010:30:153
4094058993327,4cyclictest4163221-21chrome08:45:013
4094052993332,1cyclictest76426-21kworker/1:2+pm11:33:591
4094052993332,1cyclictest45624-21kworker/1:1+pm10:43:201
4094052993331,1cyclictest45624-21kworker/1:1+pm10:30:301
4094052993331,1cyclictest3888516-1kworker/1:2H+kblockd11:35:361
4094052993331,1cyclictest3888516-1kworker/1:2H+kblockd08:45:111
4094052993331,1cyclictest3888516-1kworker/1:2H+kblockd07:21:231
4094052993331,1cyclictest3888516-1kworker/1:2H+kblockd07:21:231
4094052993330,2cyclictest8344-21kworker/u8:2+flush-179:010:00:151
4094052993329,3cyclictest4093478-21kworker/u8:3+events_unbound07:15:141
4094049993331,1cyclictest4158770-21kworker/0:1+pm09:42:290
4094049993331,1cyclictest4093625-21kworker/0:0+pm07:17:430
4094049993330,2cyclictest4192460-21kworker/u8:2+flush-179:009:25:110
4094049993330,2cyclictest4185873-21awk09:15:120
4094049993330,2cyclictest3603118-1kworker/0:0H+kblockd11:05:090
4094049993330,2cyclictest3603118-1kworker/0:0H+kblockd10:56:310
4094049993330,2cyclictest101953-21kworker/u8:3+events_unbound11:56:310
4094058993231,1cyclictest3737610-1kworker/3:0H+kblockd09:12:133
4094058993231,0cyclictest66610-21ntpd08:11:353
4094058993231,0cyclictest1318-21snmpd08:20:293
4094058993230,1cyclictest4098159-21kworker/3:2+pm07:50:593
4094058993230,1cyclictest3737610-1kworker/3:0H+kblockd11:13:023
4094058993230,1cyclictest3737610-1kworker/3:0H+kblockd10:05:273
4094058993230,1cyclictest3737610-1kworker/3:0H+kblockd07:46:143
4094058993230,1cyclictest1318-21snmpd10:21:273
4094058993229,2cyclictest4158435-21kworker/u8:0+flush-179:008:40:153
4094058993229,2cyclictest158948-21kworker/u8:0+flush-179:012:30:293
409405399320,30cyclictest80284-31munin-html10:56:182
4094052993230,1cyclictest64742-21isc-net-000009:33:171
4094052993230,1cyclictest4179075-21awk09:05:141
4094052993230,1cyclictest3888516-1kworker/1:2H+kblockd07:51:551
4094052993230,1cyclictest1318-21snmpd11:08:091
4094052993230,1cyclictest1318-21snmpd09:49:111
4094052993229,2cyclictest97650-21kworker/u8:0+flush-179:011:20:261
4094052993229,2cyclictest158948-21kworker/u8:0+events_unbound12:30:161
4094049993231,1cyclictest4158770-21kworker/0:1+pm09:38:320
4094049993230,1cyclictest3603118-1kworker/0:0H+kblockd11:11:330
4094049993229,2cyclictest32771-21kworker/u8:1+events_unbound10:10:250
4094049993226,5cyclictest119465-21munin-update11:45:040
4094049993224,2cyclictest4106724-21kworker/u8:1+events_unbound08:50:060
4094058993130,0cyclictest64742-21isc-net-000009:29:173
4094058993129,1cyclictest3737610-1kworker/3:0H+kblockd10:02:253
4094058993129,1cyclictest1318-21snmpd07:56:383
4094058993129,1cyclictest1318-21snmpd07:31:103
4094058993129,1cyclictest130854-21awk11:55:163
4094052993129,1cyclictest4193934-21awk09:25:081
4094052993129,1cyclictest1318-21snmpd10:05:241
4094052993129,1cyclictest1318-21snmpd07:34:401
4094052993127,2cyclictest3888516-1kworker/1:2H+kblockd08:20:031
4094049993129,1cyclictest64742-21isc-net-000012:10:180
4094049993129,1cyclictest3603118-1kworker/0:0H+kblockd08:04:410
4094049993129,1cyclictest1318-21snmpd12:38:470
4094049993128,2cyclictest3603118-1kworker/0:0H+kblockd09:00:030
4094058993029,1cyclictest1318-21snmpd11:04:343
4094058993029,0cyclictest1318-21snmpd12:28:493
4094058993026,3cyclictest4172751-21ntpq08:55:213
4094058993021,9cyclictest4015263-21kworker/u8:2+flush-179:007:20:153
4094058993021,9cyclictest4015263-21kworker/u8:2+flush-179:007:20:153
4094058993014,4cyclictest7733-21ntpq09:35:043
4094052993029,1cyclictest4101950-21kworker/1:2+pm07:45:591
4094052993029,1cyclictest1318-21snmpd12:28:071
4094052993029,1cyclictest1318-21snmpd11:10:421
4094052993029,1cyclictest1318-21snmpd08:56:571
4094052993028,1cyclictest1318-21snmpd09:43:261
4094052993027,2cyclictest3888516-1kworker/1:2H+kblockd12:05:021
4094052993027,2cyclictest3888516-1kworker/1:2H+kblockd08:25:041
4094052993026,3cyclictest4015263-21kworker/u8:2+flush-179:007:10:051
4094052993025,4cyclictest4142549-21ntpq08:15:081
4094049993026,3cyclictest1318-21snmpd11:35:110
4094058992928,0cyclictest1318-21snmpd12:14:543
4094058992920,9cyclictest101953-21kworker/u8:3+flush-179:011:40:203
4094052992929,0cyclictest1318-21snmpd12:18:371
4094052992929,0cyclictest1318-21snmpd12:18:361
4094052992928,1cyclictest3888516-1kworker/1:2H+kblockd07:25:131
4094052992928,1cyclictest1318-21snmpd09:56:231
4094052992928,1cyclictest1318-21snmpd09:56:231
4094052992928,0cyclictest96022-21awk11:15:151
4094049992928,1cyclictest3603118-1kworker/0:0H+kblockd07:12:010
4094058992826,1cyclictest1318-21snmpd11:49:123
4094052992827,0cyclictest1318-21snmpd07:36:011
4094052992826,1cyclictest3888516-1kworker/1:2H+kblockd08:30:151
4094052992826,1cyclictest152676-21awk12:20:181
4094052992725,1cyclictest64742-21isc-net-000009:51:171
4094049992624,2cyclictest101953-21kworker/u8:3+events_unbound11:25:070
4094058992524,0cyclictest1318-21snmpd08:35:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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