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2025-11-16 - 00:09
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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 Sat Nov 15, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292942240186,20sleep10-21swapper/107:08:381
292942240186,20sleep10-21swapper/107:08:381
291922229199,20sleep20-21swapper/207:07:192
291922229199,20sleep20-21swapper/207:07:192
292612226197,19sleep30-21swapper/307:08:133
292612226197,19sleep30-21swapper/307:08:133
291032224195,19sleep00-21swapper/007:06:130
291032224195,19sleep00-21swapper/007:06:130
19040321320,2sleep2190397-21snmp_areswitch.10:15:022
29572999591,2cyclictest216423-21snmp_wanpowerct10:45:020
2958099684,63cyclictest24765-21kworker/u8:4+efi_rts_wq07:52:052
29580996752,3cyclictest269103-21chrome11:45:012
29582996146,3cyclictest269146-21/usr/sbin/munin11:45:023
29580996145,3cyclictest164090-21chrome09:45:022
2865212590,1chrt286508-21snmp_ryswitch2.12:05:033
2958299565,50cyclictest24765-21kworker/u8:4+efi_rts_wq07:52:063
29572995350,2cyclictest86280-21kworker/u8:2+flush-179:008:25:040
29575995046,3cyclictest108364-21kworker/u8:3+flush-179:008:40:141
2957599473,44cyclictest24765-21kworker/u8:4+efi_rts_wq07:52:051
29575994641,4cyclictest216372-21/usr/share/muni10:45:161
29572994641,4cyclictest312321-21/usr/share/muni12:35:020
29572994641,4cyclictest237784-21kworker/u8:2+flush-179:012:15:160
29572994542,2cyclictest24765-21kworker/u8:4+flush-179:008:15:100
29575994432,11cyclictest4160389-1kworker/1:2H+kblockd11:46:101
29572994338,3cyclictest268757-21munin-update11:45:290
29575994241,1cyclictest29-21ksoftirqd/112:15:281
29582994139,1cyclictest163811-21munin-update09:45:023
29580994130,10cyclictest1318-21snmpd09:56:362
29575994137,3cyclictest259933-21/usr/share/muni11:35:041
29572994137,3cyclictest38609-21apt-get07:20:000
29582994040,0cyclictest292776-21awk12:10:153
29582994037,2cyclictest4148459-1kworker/3:1H+kblockd11:27:543
29580994038,1cyclictest220508-21kworker/2:2+pm12:15:172
29580994038,1cyclictest124527-21kworker/2:2+pm10:00:432
29580994037,2cyclictest124527-21kworker/2:2+pm09:20:272
29580994035,3cyclictest194113-21kworker/u8:4+flush-179:010:25:152
29575994036,3cyclictest237784-21kworker/u8:2+events_unbound11:15:051
29575994035,4cyclictest112186-21chrome08:45:011
29575994034,4cyclictest197014-21ntpq10:20:181
29575994034,4cyclictest197014-21ntpq10:20:181
29572994038,1cyclictest43317-21kworker/0:2+pm09:10:000
29582993937,1cyclictest24853-21kworker/3:0+pm08:40:273
29580993937,1cyclictest69211-21kworker/2:0+pm08:20:512
29580993937,1cyclictest4179956-21kworker/2:0+pm07:31:232
29580993937,1cyclictest120237-21kworker/2:1+pm08:56:022
29580993936,2cyclictest4179956-21kworker/2:0+pm07:10:082
29580993936,2cyclictest220508-21kworker/2:2+pm11:15:012
29580993936,2cyclictest220508-21kworker/2:2+pm10:50:432
2958099390,13cyclictest151508-21snmp_wanswitch.09:30:032
29575993936,2cyclictest249314-21kworker/u8:1+flush-179:011:50:051
29575993935,3cyclictest77537-21kworker/u8:0+flush-179:008:05:101
29575993935,3cyclictest117712-21apt-get08:50:061
29572993934,4cyclictest307205-21python312:25:280
29582993835,1cyclictest4148459-1kworker/3:1H+kblockd09:20:043
29580993836,1cyclictest311799-21kworker/2:1+pm12:36:002
29580993836,1cyclictest220508-21kworker/2:2+pm12:30:582
29580993836,1cyclictest220508-21kworker/2:2+pm11:50:032
29580993836,1cyclictest220508-21kworker/2:2+pm11:40:582
29580993836,1cyclictest124527-21kworker/2:2+pm09:50:182
29580993836,1cyclictest124527-21kworker/2:2+pm09:40:192
29580993836,1cyclictest124527-21kworker/2:2+pm09:00:042
29580993835,2cyclictest69211-21kworker/2:0+pm08:50:012
29580993835,2cyclictest51553-21kworker/2:2+pm07:40:282
29580993835,2cyclictest220508-21kworker/2:2+pm11:00:012
29575993835,2cyclictest146203-21kworker/u8:3+flush-179:009:50:141
29572993836,1cyclictest141676-21kworker/0:1+pm11:17:400
29572993832,4cyclictest247914-21apt-get11:20:070
29582993734,2cyclictest4148459-1kworker/3:1H+kblockd08:17:333
29580993736,1cyclictest51553-21kworker/2:2+pm07:55:122
29580993736,1cyclictest220508-21kworker/2:2+pm12:00:572
29580993735,1cyclictest220508-21kworker/2:2+pm12:25:592
29580993735,1cyclictest220508-21kworker/2:2+pm11:30:582
29580993735,1cyclictest220508-21kworker/2:2+pm11:06:062
29580993735,1cyclictest202925-21kworker/2:0+pm10:40:182
29580993734,1cyclictest220508-21kworker/2:2+pm11:35:262
29575993734,2cyclictest4160389-1kworker/1:2H+kblockd12:10:001
29575993734,2cyclictest4160389-1kworker/1:2H+kblockd10:50:101
29575993734,2cyclictest4160389-1kworker/1:2H+kblockd07:19:131
29575993733,3cyclictest268698-21kworker/u8:4+flush-179:012:35:271
29575993733,3cyclictest133259-21kworker/u8:2+flush-179:009:20:001
29572993735,1cyclictest141676-21kworker/0:1+pm10:02:540
29572993734,1cyclictest2727116-1kworker/0:0H+kblockd08:31:100
29572993733,3cyclictest108364-21kworker/u8:3+events_unbound08:45:160
29582993634,1cyclictest4148459-1kworker/3:1H+kblockd11:41:353
29582993634,1cyclictest4148459-1kworker/3:1H+kblockd10:24:143
29582993634,1cyclictest4148459-1kworker/3:1H+kblockd10:24:143
29582993634,1cyclictest24853-21kworker/3:0+pm08:00:103
29582993633,2cyclictest4148459-1kworker/3:1H+kblockd10:27:383
29582993633,2cyclictest4148459-1kworker/3:1H+kblockd09:37:353
29582993633,2cyclictest4148459-1kworker/3:1H+kblockd09:30:103
29580993635,1cyclictest69211-21kworker/2:0+pm08:25:582
29580993635,1cyclictest220508-21kworker/2:2+pm12:11:202
29580993634,2cyclictest4007774-1kworker/2:2H+kblockd08:15:002
29580993634,1cyclictest69211-21kworker/2:0+pm08:15:132
29580993634,1cyclictest51553-21kworker/2:2+pm07:45:042
29580993634,1cyclictest4007774-1kworker/2:2H+kblockd10:13:242
29580993634,1cyclictest4007774-1kworker/2:2H+kblockd09:35:402
29580993634,1cyclictest220508-21kworker/2:2+pm12:20:172
29580993634,1cyclictest220508-21kworker/2:2+pm11:25:042
29580993634,1cyclictest202925-21kworker/2:0+pm10:30:582
29580993634,1cyclictest124527-21kworker/2:2+pm09:27:342
29580993633,2cyclictest4007774-1kworker/2:2H+kblockd11:55:032
29580993633,2cyclictest4007774-1kworker/2:2H+kblockd11:55:032
29580993633,2cyclictest4007774-1kworker/2:2H+kblockd10:23:302
29580993633,2cyclictest4007774-1kworker/2:2H+kblockd10:23:302
29580993633,2cyclictest4007774-1kworker/2:2H+kblockd08:30:282
29580993633,2cyclictest202925-21kworker/2:0+pm10:45:052
29575993634,1cyclictest4160389-1kworker/1:2H+kblockd09:20:131
29575993634,1cyclictest4160389-1kworker/1:2H+kblockd08:13:101
29575993634,1cyclictest159566-21kworker/1:3+pm10:58:081
29575993633,2cyclictest4160389-1kworker/1:2H+kblockd11:00:041
29575993633,2cyclictest4160389-1kworker/1:2H+kblockd10:16:301
29575993633,2cyclictest4160389-1kworker/1:2H+kblockd09:45:461
29575993633,2cyclictest128978-21kworker/u8:1+events_unbound09:40:131
29575993632,2cyclictest4160389-1kworker/1:2H+kblockd10:35:031
29572993635,1cyclictest141676-21kworker/0:1+pm11:07:080
29572993634,1cyclictest2727116-1kworker/0:0H+kblockd10:25:010
29572993634,1cyclictest2727116-1kworker/0:0H+kblockd10:25:010
29572993634,1cyclictest2727116-1kworker/0:0H+kblockd08:20:270
29572993633,2cyclictest33357-21kworker/u8:1+flush-179:007:25:150
29582993533,1cyclictest4148459-1kworker/3:1H+kblockd12:16:313
29582993533,1cyclictest4148459-1kworker/3:1H+kblockd09:15:043
29582993533,1cyclictest4148459-1kworker/3:1H+kblockd09:14:273
29582993533,1cyclictest4148459-1kworker/3:1H+kblockd09:01:513
29582993533,1cyclictest4148459-1kworker/3:1H+kblockd07:26:263
29582993532,2cyclictest4148459-1kworker/3:1H+kblockd12:37:293
29582993532,2cyclictest4148459-1kworker/3:1H+kblockd12:02:243
29580993534,1cyclictest4007774-1kworker/2:2H+kblockd09:06:152
29580993533,1cyclictest4179956-21kworker/2:0+pm07:25:172
29580993533,1cyclictest4007774-1kworker/2:2H+kblockd10:38:362
29580993533,1cyclictest4007774-1kworker/2:2H+kblockd08:47:482
29580993533,1cyclictest4007774-1kworker/2:2H+kblockd08:42:532
29580993533,1cyclictest4007774-1kworker/2:2H+kblockd07:22:332
29580993533,1cyclictest220508-21kworker/2:2+pm12:05:452
29580993533,1cyclictest124527-21kworker/2:2+pm09:15:032
29580993531,2cyclictest69211-21kworker/2:0+pm08:35:022
2958099351,1cyclictest55692-31munin-graph07:36:002
29575993533,1cyclictest4160389-1kworker/1:2H+kblockd11:10:161
29575993533,1cyclictest4160389-1kworker/1:2H+kblockd11:07:311
2957599351,34cyclictest0-21swapper/109:09:001
29572993534,1cyclictest2727116-1kworker/0:0H+kblockd11:02:230
29572993533,2cyclictest2727116-1kworker/0:0H+kblockd11:41:280
29572993532,2cyclictest2727116-1kworker/0:0H+kblockd09:31:060
29572993532,2cyclictest2727116-1kworker/0:0H+kblockd07:45:120
29572993532,2cyclictest146203-21kworker/u8:3+flush-179:009:55:150
29572993532,2cyclictest146203-21kworker/u8:3+events_unbound09:35:100
29572993531,3cyclictest2727116-1kworker/0:0H+kblockd07:24:590
29572993529,5cyclictest277723-21/usr/share/muni11:55:030
29572993529,5cyclictest277723-21/usr/share/muni11:55:030
29582993433,1cyclictest4148459-1kworker/3:1H+kblockd09:42:593
29582993433,1cyclictest4148459-1kworker/3:1H+kblockd08:13:183
29582993433,1cyclictest24853-21kworker/3:0+pm07:38:003
29582993432,1cyclictest4148459-1kworker/3:1H+kblockd12:21:293
29582993432,1cyclictest4148459-1kworker/3:1H+kblockd11:52:493
29582993432,1cyclictest4148459-1kworker/3:1H+kblockd11:15:273
29582993432,1cyclictest4148459-1kworker/3:1H+kblockd10:50:263
29582993432,1cyclictest4148459-1kworker/3:1H+kblockd10:42:303
29582993432,1cyclictest4148459-1kworker/3:1H+kblockd10:07:313
29582993432,1cyclictest4148459-1kworker/3:1H+kblockd09:28:343
29582993432,1cyclictest24853-21kworker/3:0+pm07:47:103
29580993432,1cyclictest69211-21kworker/2:0+pm08:00:522
29580993432,1cyclictest4007774-1kworker/2:2H+kblockd08:05:132
29580993432,1cyclictest220508-21kworker/2:2+pm11:20:502
29580993432,1cyclictest124527-21kworker/2:2+pm10:05:052
29575993432,2cyclictest4160389-1kworker/1:2H+kblockd12:21:261
29575993432,2cyclictest4160389-1kworker/1:2H+kblockd07:25:061
29575993432,1cyclictest4160389-1kworker/1:2H+kblockd09:35:021
29575993432,1cyclictest4160389-1kworker/1:2H+kblockd09:30:291
29575993431,2cyclictest207199-21kworker/u8:0+flush-179:011:20:051
29575993428,5cyclictest290769-21ntpq12:10:031
29572993433,1cyclictest2727116-1kworker/0:0H+kblockd11:36:310
29572993432,1cyclictest43317-21kworker/0:2+pm08:14:060
29572993432,1cyclictest2727116-1kworker/0:0H+kblockd08:05:110
29572993432,1cyclictest2727116-1kworker/0:0H+kblockd08:01:080
29572993432,1cyclictest2727116-1kworker/0:0H+kblockd07:51:030
29572993432,1cyclictest2727116-1kworker/0:0H+kblockd07:10:440
29572993432,1cyclictest141676-21kworker/0:1+pm10:18:490
29572993431,2cyclictest237784-21kworker/u8:2+flush-179:012:30:150
29572993430,1cyclictest2727116-1kworker/0:0H+kblockd09:50:030
29582993331,1cyclictest4148459-1kworker/3:1H+kblockd12:30:533
29582993331,1cyclictest4148459-1kworker/3:1H+kblockd11:01:523
29582993331,1cyclictest4148459-1kworker/3:1H+kblockd10:15:143
29582993331,1cyclictest4148459-1kworker/3:1H+kblockd08:29:463
29582993331,1cyclictest4148459-1kworker/3:1H+kblockd07:56:243
29582993331,1cyclictest4148459-1kworker/3:1H+kblockd07:31:233
29582993330,2cyclictest4148459-1kworker/3:1H+kblockd08:45:203
29582993330,1cyclictest4148459-1kworker/3:1H+kblockd10:30:293
29582993330,1cyclictest4148459-1kworker/3:1H+kblockd07:40:403
29580993331,1cyclictest220508-21kworker/2:2+pm11:13:542
2958099330,12cyclictest229124-31munin-graph10:55:492
29575993332,1cyclictest4160389-1kworker/1:2H+kblockd12:25:051
29575993332,1cyclictest25236-21kworker/1:0+pm07:48:281
29575993331,1cyclictest25236-21kworker/1:0+pm08:02:261
29575993330,2cyclictest4160389-1kworker/1:2H+kblockd12:30:161
29575993330,2cyclictest4160389-1kworker/1:2H+kblockd09:56:001
29575993330,2cyclictest4160389-1kworker/1:2H+kblockd07:40:041
29575993330,2cyclictest1318-21snmpd11:40:031
29572993332,1cyclictest292777-21awk12:10:140
29572993331,1cyclictest2727116-1kworker/0:0H+kblockd10:25:500
29572993330,2cyclictest2727116-1kworker/0:0H+kblockd10:30:290
29572993330,2cyclictest2727116-1kworker/0:0H+kblockd09:40:190
29572993330,2cyclictest2727116-1kworker/0:0H+kblockd08:55:510
29572993330,2cyclictest2727116-1kworker/0:0H+kblockd07:40:290
29572993330,2cyclictest215936-21kworker/u8:1+events_unbound10:55:060
29582993230,1cyclictest4148459-1kworker/3:1H+kblockd11:12:033
29582993230,1cyclictest4148459-1kworker/3:1H+kblockd10:45:513
29582993230,1cyclictest24853-21kworker/3:0+pm09:06:373
29582993230,1cyclictest1318-21snmpd11:05:563
29582993228,3cyclictest177127-21/usr/share/muni10:00:013
29582993228,3cyclictest111966-21kworker/u8:4+flush-179:008:55:153
29580993230,1cyclictest4179956-21kworker/2:0+pm07:16:052
29580993230,1cyclictest124527-21kworker/2:2+pm09:10:072
29575993231,1cyclictest4160389-1kworker/1:2H+kblockd09:00:121
29575993230,1cyclictest4160389-1kworker/1:2H+kblockd08:28:331
29575993230,1cyclictest30796-21awk07:10:061
29572993230,1cyclictest2727116-1kworker/0:0H+kblockd10:09:180
29572993230,1cyclictest2727116-1kworker/0:0H+kblockd09:47:480
29572993230,1cyclictest1318-21snmpd11:50:330
29572993230,1cyclictest1318-21snmpd10:41:130
29572993229,2cyclictest1318-21snmpd11:31:330
29572993228,3cyclictest252215-21apt-get11:25:070
29582993130,1cyclictest4148459-1kworker/3:1H+kblockd11:36:553
29582993129,1cyclictest4148459-1kworker/3:1H+kblockd12:25:163
29582993129,1cyclictest4148459-1kworker/3:1H+kblockd11:57:333
29582993129,1cyclictest4148459-1kworker/3:1H+kblockd11:57:333
29582993129,1cyclictest1318-21snmpd08:35:043
29582993129,1cyclictest1318-21snmpd08:05:063
29582993128,2cyclictest4148459-1kworker/3:1H+kblockd08:32:383
29582993126,4cyclictest91063-21/usr/share/muni08:20:033
29582993126,3cyclictest176812-21latency_hist10:00:013
29575993130,0cyclictest1318-21snmpd08:17:531
29575993129,1cyclictest41654-21awk07:20:161
29575993129,1cyclictest4160389-1kworker/1:2H+kblockd10:30:131
29575993129,1cyclictest4160389-1kworker/1:2H+kblockd07:30:391
29575993129,1cyclictest1318-21snmpd09:14:471
29575993127,3cyclictest103070-21kworker/u8:0+flush-179:008:35:041
29575993126,4cyclictest277727-21/usr/share/muni11:55:001
29575993126,4cyclictest277727-21/usr/share/muni11:55:001
29575993126,4cyclictest194113-21kworker/u8:4+flush-179:010:40:161
29572993130,1cyclictest1318-21snmpd10:10:050
29572993129,1cyclictest1318-21snmpd10:39:490
29572993129,1cyclictest1318-21snmpd08:35:070
29572993129,1cyclictest1318-21snmpd07:56:110
29572993128,2cyclictest2727116-1kworker/0:0H+kblockd09:10:520
29582993029,1cyclictest66610-21ntpd10:39:283
29582993028,1cyclictest66610-21ntpd11:34:283
29582993028,1cyclictest66610-21ntpd08:54:283
29582993028,1cyclictest4148459-1kworker/3:1H+kblockd07:12:383
29582993028,1cyclictest24853-21kworker/3:0+pm10:11:523
29582993027,2cyclictest1318-21snmpd10:57:443
2957599303,26cyclictest281ktimers/107:55:071
29575993030,0cyclictest1318-21snmpd10:27:251
29575993027,2cyclictest4160389-1kworker/1:2H+kblockd09:25:131
29575993025,4cyclictest255372-21/usr/share/muni11:30:011
29572993029,1cyclictest1318-21snmpd12:05:430
29572993029,1cyclictest1318-21snmpd07:30:390
29572993028,1cyclictest2727116-1kworker/0:0H+kblockd09:01:050
29572993028,1cyclictest2727116-1kworker/0:0H+kblockd07:35:260
29572993026,2cyclictest1318-21snmpd12:20:040
29582992927,1cyclictest1318-21snmpd11:21:113
29575992928,0cyclictest1318-21snmpd08:22:031
29575992927,1cyclictest4160389-1kworker/1:2H+kblockd08:30:101
29575992927,1cyclictest1318-21snmpd10:12:271
29575992927,1cyclictest1318-21snmpd07:39:291
29572992927,1cyclictest64742-21isc-net-000011:10:430
29572992926,2cyclictest2727116-1kworker/0:0H+kblockd12:00:120
29582992828,0cyclictest1318-21snmpd07:22:253
29582992828,0cyclictest1318-21snmpd07:16:253
29575992826,1cyclictest64742-21isc-net-000012:00:441
29572992828,0cyclictest148542-21awk09:25:130
29572992826,1cyclictest2727116-1kworker/0:0H+kblockd09:16:060
29572992826,1cyclictest1318-21snmpd10:54:560
29572992824,3cyclictest86280-21kworker/u8:2+flush-179:008:40:100
29572992824,3cyclictest146203-21kworker/u8:3+events_unbound09:25:010
29582992721,4cyclictest168535-21/usr/share/muni09:50:013
29575992725,1cyclictest1318-21snmpd10:06:091
29575992624,1cyclictest4160389-1kworker/1:2H+kblockd11:25:201
29575992622,3cyclictest111966-21kworker/u8:4+flush-179:008:55:251
2957599246,17cyclictest178097-21ntpq10:00:071
29572992423,1cyclictest1318-21snmpd08:54:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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