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2025-12-04 - 16:17
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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 Dec 04, 2025 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28518439912931289,2cyclictest3077784-21snmp_ryswitch2.11:30:031
28514032236207,19sleep00-21swapper/007:06:380
28514052235206,19sleep20-21swapper/207:06:392
28515102228198,20sleep10-21swapper/107:08:031
28514862228199,19sleep30-21swapper/307:07:463
2851853997459,13cyclictest3090429-21snmp_wlanswitch11:45:013
2851853996146,2cyclictest2882571-21chrome07:45:013
2851848996156,4cyclictest2935533-21apt-get08:45:092
2851840995652,2cyclictest2986105-13chrome09:45:010
2851853995452,1cyclictest0-21swapper/308:45:013
2851843995248,3cyclictest3037572-21kworker/u8:2+flush-179:011:20:001
2851843995238,2cyclictest3090440-21snmp_areswitch.11:45:011
2851848995037,12cyclictest3064470-21kworker/2:3+pm12:00:272
2851853994944,4cyclictest3062561-21cat11:10:143
2851853994936,10cyclictest3124739-21/usr/share/muni12:25:023
29698082480,1sleep30-21swapper/309:25:063
29698082480,1sleep30-21swapper/309:25:053
2851853994842,4cyclictest3038376-21chrome10:45:023
2851840994843,4cyclictest2877950-21latency_hist07:40:010
2851843994641,4cyclictest2991802-21ntpq09:50:081
2851853994541,3cyclictest3031691-21apt-get10:35:153
2851843994441,2cyclictest3028659-21kworker/u8:3+flush-179:011:10:131
285184399440,14cyclictest2969329-21snmp_ryswitch2.09:25:031
285184399440,14cyclictest2969329-21snmp_ryswitch2.09:25:031
2851840994439,4cyclictest3022713-21apt-get10:25:140
2851853994330,1cyclictest2682899-1kworker/3:2H+kblockd08:16:333
2851843994340,2cyclictest2886468-21kworker/u8:0+flush-179:008:25:151
2851843994235,6cyclictest2890991-21kworker/u8:1+flush-179:009:35:241
2851840994238,3cyclictest59300-21rs:main0
2851848994138,2cyclictest2834246-21kworker/2:0+pm08:20:092
2851848994135,5cyclictest2990909-21/usr/share/muni09:50:142
2851853994035,4cyclictest2879263-21apt-get07:40:073
2851848994038,1cyclictest3064470-21kworker/2:3+pm11:16:492
2851848994038,1cyclictest2973218-21kworker/2:1+pm10:10:172
2851848994037,2cyclictest2973218-21kworker/2:1+pm10:51:302
2851848994037,2cyclictest2834246-21kworker/2:0+pm09:26:412
2851848994037,2cyclictest2834246-21kworker/2:0+pm09:26:412
2851848994037,2cyclictest2834246-21kworker/2:0+pm08:36:492
2851848994037,2cyclictest2834246-21kworker/2:0+pm07:31:302
2851843994035,4cyclictest2983582-21apt-get09:40:131
2851840994034,4cyclictest2883708-21apt-get07:45:100
2851840994027,2cyclictest1318-21snmpd09:41:190
2851853993937,1cyclictest3033195-21kworker/3:2+pm12:03:023
2851848993937,1cyclictest3064470-21kworker/2:3+pm11:41:272
2851848993937,1cyclictest3064470-21kworker/2:3+pm11:31:342
2851848993937,1cyclictest2973218-21kworker/2:1+pm10:45:272
2851848993937,1cyclictest2973218-21kworker/2:1+pm10:40:162
2851848993937,1cyclictest2973218-21kworker/2:1+pm09:46:442
2851848993937,1cyclictest2834246-21kworker/2:0+pm08:00:002
2851848993937,1cyclictest2834246-21kworker/2:0+pm07:46:262
2851848993937,1cyclictest2834246-21kworker/2:0+pm07:40:002
2851848993937,1cyclictest2834246-21kworker/2:0+pm07:12:202
2851848993936,2cyclictest2973218-21kworker/2:1+pm10:26:112
2851848993936,2cyclictest2834246-21kworker/2:0+pm08:25:032
2851848993935,3cyclictest2973218-21kworker/2:1+pm09:40:002
2851848993935,3cyclictest2414918-1kworker/2:0H+kblockd11:45:082
2851843993932,6cyclictest2890991-21kworker/u8:1+flush-179:009:30:141
2851840993935,2cyclictest1971690-1kworker/0:2H+kblockd08:36:290
29560312380,1chrt2956029-21ntp_states09:10:022
29560312380,1chrt2956029-21ntp_states09:10:012
2851853993836,1cyclictest2856229-21kworker/3:3+pm07:37:433
2851853993836,1cyclictest1318-21snmpd09:05:083
2851853993834,2cyclictest2682899-1kworker/3:2H+kblockd07:55:003
2851853993833,3cyclictest2682899-1kworker/3:2H+kblockd11:41:023
2851848993836,1cyclictest3064470-21kworker/2:3+pm12:24:102
2851848993836,1cyclictest3064470-21kworker/2:3+pm12:06:482
2851848993836,1cyclictest2973218-21kworker/2:1+pm11:11:492
2851848993836,1cyclictest2973218-21kworker/2:1+pm11:00:182
2851848993836,1cyclictest2973218-21kworker/2:1+pm10:55:122
2851848993836,1cyclictest2973218-21kworker/2:1+pm10:36:012
2851848993836,1cyclictest2973218-21kworker/2:1+pm10:05:122
2851848993836,1cyclictest2973218-21kworker/2:1+pm10:01:362
2851848993836,1cyclictest2834246-21kworker/2:0+pm09:05:442
2851848993836,1cyclictest2834246-21kworker/2:0+pm07:56:142
2851848993824,13cyclictest2973218-21kworker/2:1+pm11:05:062
2851843993836,1cyclictest2968736-21kworker/1:0+pm09:46:031
2851853993734,2cyclictest2682899-1kworker/3:2H+kblockd09:57:003
2851853993734,2cyclictest2682899-1kworker/3:2H+kblockd09:39:593
2851853993734,2cyclictest2682899-1kworker/3:2H+kblockd07:51:353
2851853993734,1cyclictest2682899-1kworker/3:2H+kblockd09:41:153
2851853993733,2cyclictest2682899-1kworker/3:2H+kblockd10:05:283
2851853993727,8cyclictest2903397-21munin-limits08:06:133
2851848993736,1cyclictest2834246-21kworker/2:0+pm07:50:002
2851848993735,1cyclictest3064470-21kworker/2:3+pm12:37:102
2851848993735,1cyclictest3064470-21kworker/2:3+pm12:30:182
2851848993735,1cyclictest3064470-21kworker/2:3+pm11:36:442
2851848993735,1cyclictest2973218-21kworker/2:1+pm10:15:482
2851848993735,1cyclictest2973218-21kworker/2:1+pm09:31:292
2851848993735,1cyclictest2834246-21kworker/2:0+pm08:51:392
2851848993735,1cyclictest2834246-21kworker/2:0+pm08:31:432
2851848993735,1cyclictest2834246-21kworker/2:0+pm08:11:262
2851848993734,2cyclictest2414918-1kworker/2:0H+kblockd08:59:362
2851848993734,2cyclictest2414918-1kworker/2:0H+kblockd08:05:102
2851843993734,1cyclictest2732062-1kworker/1:0H+kblockd10:16:371
2851843993733,3cyclictest3110008-21kworker/u8:0+flush-179:012:10:231
2851840993734,2cyclictest1971690-1kworker/0:2H+kblockd07:31:330
2851840993733,3cyclictest3037572-21kworker/u8:2+flush-179:011:15:290
2851840993732,2cyclictest1971690-1kworker/0:2H+kblockd08:51:450
2851853993634,1cyclictest2892502-21kworker/3:1+pm09:24:083
2851853993634,1cyclictest2682899-1kworker/3:2H+kblockd08:29:073
2851853993633,2cyclictest2682899-1kworker/3:2H+kblockd11:30:113
2851853993632,2cyclictest2682899-1kworker/3:2H+kblockd11:57:403
2851853993632,2cyclictest2682899-1kworker/3:2H+kblockd07:10:043
2851853993630,4cyclictest3094813-21/usr/share/muni11:50:013
2851853993627,8cyclictest3082814-21awk11:35:073
2851848993634,1cyclictest3064470-21kworker/2:3+pm12:15:352
2851848993634,1cyclictest3064470-21kworker/2:3+pm12:15:342
2851848993634,1cyclictest3064470-21kworker/2:3+pm11:56:292
2851848993634,1cyclictest3064470-21kworker/2:3+pm11:51:142
2851848993634,1cyclictest2973218-21kworker/2:1+pm10:21:262
2851848993634,1cyclictest2834246-21kworker/2:0+pm09:25:012
2851848993634,1cyclictest2834246-21kworker/2:0+pm09:18:572
2851848993634,1cyclictest2834246-21kworker/2:0+pm07:20:042
2851848993633,2cyclictest2414918-1kworker/2:0H+kblockd12:29:102
2851848993612,23cyclictest2977633-21/usr/sbin/munin09:36:012
2851843993635,1cyclictest2732062-1kworker/1:0H+kblockd07:52:391
2851843993634,2cyclictest2855753-21kworker/u8:2+events_unbound07:25:131
2851843993634,1cyclictest2856080-21kworker/1:1+pm07:37:271
2851843993634,1cyclictest2732062-1kworker/1:0H+kblockd08:41:251
2851843993634,1cyclictest2732062-1kworker/1:0H+kblockd07:20:021
2851843993633,2cyclictest3028659-21kworker/u8:3+flush-179:011:20:181
2851843993633,2cyclictest2732062-1kworker/1:0H+kblockd08:35:001
2851843993632,3cyclictest2732062-1kworker/1:0H+kblockd10:00:031
2851840993633,2cyclictest1971690-1kworker/0:2H+kblockd12:30:570
2851840993633,2cyclictest1971690-1kworker/0:2H+kblockd10:46:340
2851840993633,2cyclictest1971690-1kworker/0:2H+kblockd09:06:160
2851840993633,2cyclictest1971690-1kworker/0:2H+kblockd08:21:390
2851840993631,3cyclictest2890991-21kworker/u8:1+flush-179:010:10:090
2851840993631,3cyclictest2890991-21kworker/u8:1+flush-179:009:00:150
2851840993630,4cyclictest2956147-21ntpq09:10:040
2851840993630,4cyclictest2956147-21ntpq09:10:040
2851853993533,1cyclictest2892502-21kworker/3:1+pm09:15:443
2851853993532,2cyclictest2682899-1kworker/3:2H+kblockd10:42:253
2851853993532,2cyclictest2682899-1kworker/3:2H+kblockd08:35:323
2851853993532,2cyclictest2682899-1kworker/3:2H+kblockd08:20:463
2851853993527,7cyclictest1318-21snmpd10:02:013
2851848993534,1cyclictest2834246-21kworker/2:0+pm07:15:372
2851848993534,1cyclictest2834246-21kworker/2:0+pm07:15:372
2851848993533,1cyclictest2834246-21kworker/2:0+pm08:15:282
2851848993533,1cyclictest2834246-21kworker/2:0+pm07:28:452
2851848993533,1cyclictest2414918-1kworker/2:0H+kblockd11:22:172
2851848993532,2cyclictest2973218-21kworker/2:1+pm10:34:592
2851848993532,2cyclictest2834246-21kworker/2:0+pm08:40:042
2851843993534,1cyclictest2856080-21kworker/1:1+pm07:40:271
2851843993533,1cyclictest2732062-1kworker/1:0H+kblockd10:36:281
2851843993533,1cyclictest2732062-1kworker/1:0H+kblockd10:20:011
2851843993533,1cyclictest2732062-1kworker/1:0H+kblockd09:07:431
2851843993532,2cyclictest3098687-21kworker/u8:1+flush-179:012:05:051
2851843993532,2cyclictest2732062-1kworker/1:0H+kblockd12:16:141
2851843993532,2cyclictest2732062-1kworker/1:0H+kblockd12:16:141
2851843993532,2cyclictest2732062-1kworker/1:0H+kblockd11:55:041
2851843993532,1cyclictest2732062-1kworker/1:0H+kblockd10:46:501
2851843993532,1cyclictest2732062-1kworker/1:0H+kblockd07:31:151
2851843993531,3cyclictest2944247-21apt-get08:55:091
2851843993522,2cyclictest2882558-21/usr/share/muni07:45:021
285184399350,34cyclictest0-21swapper/111:40:041
2851840993533,1cyclictest3062432-21apt-get11:10:130
2851840993533,1cyclictest1971690-1kworker/0:2H+kblockd11:05:540
2851840993533,1cyclictest1971690-1kworker/0:2H+kblockd10:36:030
2851840993532,2cyclictest1971690-1kworker/0:2H+kblockd11:02:230
2851840993532,2cyclictest1971690-1kworker/0:2H+kblockd10:19:590
2851840993532,2cyclictest1971690-1kworker/0:2H+kblockd08:41:240
2851840993531,2cyclictest3089865-21kworker/u8:0+flush-179:011:50:050
2851840993530,4cyclictest2900862-21ntpq08:05:090
2851853993432,1cyclictest2682899-1kworker/3:2H+kblockd10:21:263
2851853993432,1cyclictest2682899-1kworker/3:2H+kblockd09:33:403
2851853993431,2cyclictest2682899-1kworker/3:2H+kblockd11:06:503
2851853993431,2cyclictest2682899-1kworker/3:2H+kblockd10:55:303
2851853993431,2cyclictest2682899-1kworker/3:2H+kblockd10:10:533
2851853993431,2cyclictest2682899-1kworker/3:2H+kblockd07:32:403
2851853993431,1cyclictest2682899-1kworker/3:2H+kblockd10:15:213
2851853993430,3cyclictest2682899-1kworker/3:2H+kblockd11:23:373
2851853993430,3cyclictest2682899-1kworker/3:2H+kblockd09:01:013
2851848993432,1cyclictest3064470-21kworker/2:3+pm12:10:522
2851848993432,1cyclictest2834246-21kworker/2:0+pm09:00:102
2851848993432,1cyclictest2414918-1kworker/2:0H+kblockd09:55:182
2851843993433,1cyclictest2732062-1kworker/1:0H+kblockd09:17:131
2851843993432,1cyclictest2732062-1kworker/1:0H+kblockd12:26:151
2851843993432,1cyclictest2732062-1kworker/1:0H+kblockd12:02:021
2851843993431,2cyclictest3133009-21kworker/u8:4+flush-179:012:35:221
2851843993431,2cyclictest2732062-1kworker/1:0H+kblockd09:11:261
2851843993431,2cyclictest2732062-1kworker/1:0H+kblockd09:11:261
2851843993431,1cyclictest2732062-1kworker/1:0H+kblockd08:45:161
2851840993432,1cyclictest1971690-1kworker/0:2H+kblockd09:51:240
2851853993331,1cyclictest2682899-1kworker/3:2H+kblockd11:00:273
2851853993330,2cyclictest3044501-21awk10:50:123
2851853993330,2cyclictest2682899-1kworker/3:2H+kblockd08:46:243
2851853993325,6cyclictest2955852-21/usr/share/muni09:10:043
2851853993325,6cyclictest2955852-21/usr/share/muni09:10:043
2851853993321,1cyclictest1318-21snmpd07:25:493
2851848993331,1cyclictest3064470-21kworker/2:3+pm11:28:242
2851848993330,2cyclictest1318-21snmpd07:40:022
2851843993331,2cyclictest2886468-21kworker/u8:0+events_unbound08:15:121
2851843993331,1cyclictest2732062-1kworker/1:0H+kblockd10:31:591
2851843993330,2cyclictest2976995-21kworker/u8:3+events_unbound10:10:001
2851843993330,2cyclictest2732062-1kworker/1:0H+kblockd07:16:391
2851843993330,2cyclictest2732062-1kworker/1:0H+kblockd07:16:391
2851843993330,2cyclictest1318-21snmpd09:20:021
2851843993328,4cyclictest2902880-21ntpq08:05:241
2851843993328,3cyclictest2899485-21latency_hist08:05:011
2851840993331,1cyclictest1971690-1kworker/0:2H+kblockd07:51:070
2851840993330,2cyclictest2860914-21kworker/0:2+pm08:30:230
2851840993330,2cyclictest1971690-1kworker/0:2H+kblockd10:21:240
2851840993328,4cyclictest2895215-21munin-update08:00:040
2851840993327,4cyclictest2890955-21munin-update07:55:030
2851853993229,2cyclictest2922552-21awk08:30:073
2851853993229,2cyclictest2906784-21awk08:10:163
2851853993229,1cyclictest2682899-1kworker/3:2H+kblockd09:46:453
2851853993226,5cyclictest1318-21snmpd07:21:493
2851843993230,1cyclictest2732062-1kworker/1:0H+kblockd10:29:491
2851843993230,1cyclictest2732062-1kworker/1:0H+kblockd07:10:151
2851843993229,2cyclictest3131606-21awk12:30:151
2851843993229,2cyclictest2890974-21kworker/1:2+pm09:00:101
2851843993229,2cyclictest2732062-1kworker/1:0H+kblockd11:00:091
2851840993231,1cyclictest2985780-21kworker/0:0+pm12:37:190
2851840993229,2cyclictest1971690-1kworker/0:2H+kblockd08:45:050
2851840993229,2cyclictest1318-21snmpd11:40:220
2851840993225,5cyclictest3099362-21ntpq11:55:040
2851853993129,1cyclictest3123293-21awk12:20:193
2851853993129,1cyclictest1318-21snmpd12:34:393
2851853993129,1cyclictest1318-21snmpd10:31:593
2851843993130,1cyclictest2732062-1kworker/1:0H+kblockd11:08:221
2851843993129,1cyclictest2732062-1kworker/1:0H+kblockd10:05:261
2851843993129,1cyclictest1318-21snmpd12:22:081
2851843993129,1cyclictest1318-21snmpd09:56:421
2851843993129,1cyclictest1318-21snmpd08:54:381
2851840993130,1cyclictest2985780-21kworker/0:0+pm11:24:580
2851840993129,2cyclictest1971690-1kworker/0:2H+kblockd12:03:440
2851840993129,1cyclictest64742-21isc-net-000008:18:160
2851840993129,1cyclictest2867595-21awk07:25:140
2851840993129,1cyclictest1971690-1kworker/0:2H+kblockd11:33:590
2851840993129,1cyclictest1318-21snmpd12:06:220
2851840993129,1cyclictest1318-21snmpd11:39:010
2851840993129,1cyclictest1318-21snmpd11:29:160
2851840993129,1cyclictest1318-21snmpd09:36:480
2851840993129,1cyclictest1318-21snmpd09:25:350
2851840993129,1cyclictest1318-21snmpd09:25:350
2851840993129,1cyclictest1318-21snmpd08:28:160
2851840993128,2cyclictest2925142-21kworker/u8:2+flush-179:008:55:070
2851840993128,2cyclictest1971690-1kworker/0:2H+kblockd12:10:280
2851853993029,0cyclictest1318-21snmpd08:54:253
2851853993027,2cyclictest2682899-1kworker/3:2H+kblockd11:29:413
2851853993025,4cyclictest2943069-21/usr/share/muni08:55:093
2851843993029,1cyclictest2968736-21kworker/1:0+pm11:28:101
2851843993029,1cyclictest2732062-1kworker/1:0H+kblockd11:50:321
2851843993029,0cyclictest1318-21snmpd10:58:171
2851843993027,2cyclictest2732062-1kworker/1:0H+kblockd07:56:271
2851840993030,0cyclictest1318-21snmpd10:54:000
2851840993028,1cyclictest1318-21snmpd11:45:010
2851840993028,1cyclictest1318-21snmpd10:30:140
2851853992928,1cyclictest1318-21snmpd11:15:243
2851853992928,1cyclictest1318-21snmpd08:03:233
2851853992927,1cyclictest2892502-21kworker/3:1+pm10:29:243
2851853992927,1cyclictest1318-21snmpd12:36:393
2851853992927,1cyclictest1318-21snmpd12:15:263
2851853992927,1cyclictest1318-21snmpd12:15:253
2851853992927,1cyclictest1318-21snmpd07:17:563
2851853992927,1cyclictest1318-21snmpd07:17:563
2851843992927,1cyclictest1318-21snmpd08:21:481
2851840992929,0cyclictest1318-21snmpd12:25:380
2851840992929,0cyclictest1318-21snmpd09:33:470
2851840992928,1cyclictest2985780-21kworker/0:0+pm10:59:150
2851840992928,1cyclictest1971690-1kworker/0:2H+kblockd07:11:140
2851840992928,0cyclictest2962916-21awk09:15:190
2851840992928,0cyclictest1318-21snmpd07:44:030
2851840992927,1cyclictest1318-21snmpd07:17:310
2851840992927,1cyclictest1318-21snmpd07:17:310
2851840992925,2cyclictest1971690-1kworker/0:2H+kblockd07:21:350
2851853992827,0cyclictest1318-21snmpd09:50:433
2851843992826,1cyclictest1318-21snmpd10:40:411
2851840992828,0cyclictest1318-21snmpd12:17:230
2851840992828,0cyclictest1318-21snmpd12:17:230
2851840992828,0cyclictest1318-21snmpd08:12:310
2851840992825,2cyclictest1971690-1kworker/0:2H+kblockd10:41:450
2851853992721,4cyclictest3111631-21latency_hist12:10:013
2851843992724,2cyclictest3043974-21awk10:50:061
2851843992724,2cyclictest3028659-21kworker/u8:3+events_unbound11:35:261
2851843992721,4cyclictest2904336-21/usr/share/muni08:10:011
2851840992727,0cyclictest1318-21snmpd12:22:500
2851840992725,1cyclictest1318-21snmpd09:59:340
2851843992622,3cyclictest2732062-1kworker/1:0H+kblockd08:35:061
2851840992620,5cyclictest2999218-21cat10:00:020
2851853992520,3cyclictest3111862-21cat12:10:013
2851840992418,5cyclictest2966020-21ntpq09:20:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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