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2026-01-03 - 16:09
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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 Jan 03, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28019322233203,20sleep30-21swapper/307:08:203
28018162230176,20sleep10-21swapper/107:06:491
28018272223194,18sleep00-21swapper/007:06:560
28020452218189,19sleep20-21swapper/207:09:472
28022429910533,21cyclictest3040849-21chrome11:45:012
2802234998884,2cyclictest2885542-13chrome08:45:010
2802242996359,3cyclictest2885377-21munin-update08:45:012
2802234995853,2cyclictest2937566-21munin-node09:45:000
2802239995549,4cyclictest2890095-21/usr/share/muni08:50:011
30666932480,0chrt3066635-21snmp_areswitch.12:15:023
2802242994843,4cyclictest3006125-21kworker/u8:2+events_unbound11:20:132
2802234994845,2cyclictest2868133-21kworker/u8:0+flush-179:009:05:150
2802242994744,2cyclictest2880781-21kworker/2:1+pm09:21:022
2802242994643,2cyclictest2815409-21kworker/u8:0+flush-179:008:05:152
2802234994627,11cyclictest3040754-13chrome11:45:010
2802242994541,3cyclictest2815409-21kworker/u8:0+flush-179:007:45:152
280224299452,41cyclictest2937528-21chrome09:45:002
2802234994439,3cyclictest3039934-21munin-limits11:40:290
2802242994230,11cyclictest2197994-1kworker/2:2H+kblockd08:01:222
2802247994132,2cyclictest2470581-1kworker/3:2H+kblockd10:45:143
2802242994138,2cyclictest2997070-21kworker/u8:0+events_unbound11:15:132
2802247994034,4cyclictest3040879-21/usr/share/muni11:45:093
2802242994038,1cyclictest3053223-21kworker/2:2+pm12:33:172
2802242994037,2cyclictest2880781-21kworker/2:1+pm09:30:032
2802242994036,3cyclictest3053223-21kworker/2:2+pm12:05:032
2802247993932,6cyclictest3071295-21/usr/share/muni12:20:133
2802242993937,1cyclictest3006479-21kworker/2:1+pm11:41:032
2802242993937,1cyclictest3001843-21kworker/2:0+pm11:01:342
2802242993937,1cyclictest2989395-21kworker/2:2+pm10:55:532
2802242993937,1cyclictest2909969-21kworker/2:2+pm09:10:312
2802242993937,1cyclictest2880781-21kworker/2:1+pm09:35:152
2802242993937,1cyclictest2880781-21kworker/2:1+pm09:00:502
2802242993937,1cyclictest2840470-21kworker/2:2+pm08:10:292
2802242993936,2cyclictest3006479-21kworker/2:1+pm11:05:032
2802242993936,2cyclictest2767786-21kworker/2:0+pm07:35:042
2802242993934,3cyclictest2989006-21chrome10:45:012
2802239993930,8cyclictest3017941-21awk11:15:171
2802234993934,4cyclictest3006125-21kworker/u8:2+events_unbound12:05:140
2802234993933,5cyclictest3079864-21/usr/share/muni12:30:150
2802247993837,1cyclictest2735529-21kworker/3:1+pm07:14:493
2802247993835,2cyclictest2470581-1kworker/3:2H+kblockd12:35:033
2802242993837,1cyclictest3006479-21kworker/2:1+pm11:55:002
2802242993837,1cyclictest2880781-21kworker/2:1+pm10:00:532
2802242993836,1cyclictest3053223-21kworker/2:2+pm12:15:512
2802242993836,1cyclictest3053223-21kworker/2:2+pm12:10:592
2802242993836,1cyclictest2958801-21kworker/2:0+pm10:30:492
2802242993836,1cyclictest2958801-21kworker/2:0+pm10:21:052
2802242993836,1cyclictest2958801-21kworker/2:0+pm10:11:292
2802242993836,1cyclictest2880781-21kworker/2:1+pm08:50:102
2802242993836,1cyclictest2880781-21kworker/2:1+pm08:41:052
2802242993836,1cyclictest2840470-21kworker/2:2+pm08:36:032
2802242993835,2cyclictest3006479-21kworker/2:1+pm11:10:192
2802242993835,2cyclictest2840470-21kworker/2:2+pm08:30:042
2802242993835,2cyclictest2767786-21kworker/2:0+pm07:20:262
2802242993834,3cyclictest3076635-21kworker/u8:3+flush-179:012:35:082
2802239993829,8cyclictest1318-21snmpd07:35:051
2802234993836,1cyclictest2950292-21kworker/0:0+pm10:05:100
2802234993835,2cyclictest2793211-1kworker/0:2H+kblockd07:36:270
2802234993828,0cyclictest1318-21snmpd07:19:500
2802242993736,1cyclictest2827588-21kworker/2:1+pm07:51:372
2802242993735,1cyclictest3006479-21kworker/2:1+pm11:34:462
2802242993735,1cyclictest2880781-21kworker/2:1+pm09:41:052
2802242993735,1cyclictest2767786-21kworker/2:0+pm07:40:522
2802242993735,1cyclictest2767786-21kworker/2:0+pm07:30:482
2802242993735,1cyclictest2767786-21kworker/2:0+pm07:13:592
2802242993734,2cyclictest3006479-21kworker/2:1+pm11:35:122
2802242993734,2cyclictest2767786-21kworker/2:0+pm07:15:042
2802242993734,2cyclictest2197994-1kworker/2:2H+kblockd10:50:502
2802239993735,1cyclictest2902719-21kworker/1:0+pm12:00:281
2802239993735,1cyclictest2894184-21kworker/1:1+pm09:03:401
2802239993734,2cyclictest2751424-1kworker/1:2H+kblockd12:38:391
2802239993734,2cyclictest2751424-1kworker/1:2H+kblockd11:42:251
2802239993733,3cyclictest2950665-21/usr/share/muni10:00:131
2802239993732,4cyclictest2911403-21/usr/share/muni09:15:011
2802239993729,8cyclictest1318-21snmpd10:36:411
2802234993735,1cyclictest2793500-21kworker/0:1+pm08:43:450
2802234993733,2cyclictest2793211-1kworker/0:2H+kblockd09:23:270
2802247993634,1cyclictest3031691-21kworker/3:1+pm12:25:233
2802247993634,1cyclictest2872425-21kworker/3:1+pm09:08:343
2802247993634,1cyclictest2470581-1kworker/3:2H+kblockd09:38:083
2802247993633,2cyclictest2470581-1kworker/3:2H+kblockd12:06:383
2802247993633,2cyclictest2470581-1kworker/3:2H+kblockd11:55:293
2802247993633,2cyclictest2470581-1kworker/3:2H+kblockd11:30:283
2802247993633,2cyclictest2470581-1kworker/3:2H+kblockd11:11:013
2802247993633,2cyclictest2470581-1kworker/3:2H+kblockd10:53:243
2802247993633,2cyclictest2470581-1kworker/3:2H+kblockd09:48:133
2802247993632,2cyclictest2470581-1kworker/3:2H+kblockd09:20:013
2802242993634,1cyclictest3053223-21kworker/2:2+pm12:25:532
2802242993634,1cyclictest2958801-21kworker/2:0+pm10:37:462
2802242993634,1cyclictest2958801-21kworker/2:0+pm10:26:052
2802242993634,1cyclictest2880781-21kworker/2:1+pm09:25:162
2802242993634,1cyclictest2840470-21kworker/2:2+pm08:26:232
2802242993633,2cyclictest3053223-21kworker/2:2+pm12:00:022
2802242993633,2cyclictest2880781-21kworker/2:1+pm09:50:042
2802239993634,1cyclictest2751424-1kworker/1:2H+kblockd08:41:051
2802239993633,2cyclictest2751424-1kworker/1:2H+kblockd10:15:051
2802239993633,2cyclictest2751424-1kworker/1:2H+kblockd07:15:451
2802239993631,3cyclictest3010644-21munin-update11:10:031
2802239993628,8cyclictest2822910-21awk07:30:181
2802239993628,7cyclictest1318-21snmpd11:38:461
2802239993623,12cyclictest2921164-21ntpq09:25:091
2802234993634,1cyclictest2793211-1kworker/0:2H+kblockd12:15:450
2802234993633,2cyclictest2793211-1kworker/0:2H+kblockd08:30:040
2802247993533,1cyclictest2470581-1kworker/3:2H+kblockd09:16:533
2802247993533,1cyclictest2470581-1kworker/3:2H+kblockd09:13:363
2802247993533,1cyclictest2470581-1kworker/3:2H+kblockd08:35:393
2802247993533,1cyclictest2470581-1kworker/3:2H+kblockd07:54:323
2802247993532,2cyclictest2470581-1kworker/3:2H+kblockd11:06:553
2802247993530,3cyclictest3002371-21/usr/share/muni11:00:063
2802242993533,1cyclictest2880781-21kworker/2:1+pm10:06:192
2802242993533,1cyclictest2880781-21kworker/2:1+pm09:15:112
2802242993533,1cyclictest2840470-21kworker/2:2+pm07:56:022
2802242993533,1cyclictest2197994-1kworker/2:2H+kblockd12:21:072
2802242993532,2cyclictest2958801-21kworker/2:0+pm10:40:102
2802242993532,2cyclictest2958801-21kworker/2:0+pm10:15:042
2802242993532,2cyclictest2840470-21kworker/2:2+pm08:20:422
2802239993533,1cyclictest2902719-21kworker/1:0+pm10:21:371
2802239993533,1cyclictest2751424-1kworker/1:2H+kblockd09:05:431
2802239993533,1cyclictest2751424-1kworker/1:2H+kblockd07:46:221
2802239993533,1cyclictest2751424-1kworker/1:2H+kblockd07:44:071
2802239993533,1cyclictest2751424-1kworker/1:2H+kblockd07:23:321
2802239993532,2cyclictest2751424-1kworker/1:2H+kblockd12:25:061
2802239993532,2cyclictest2751424-1kworker/1:2H+kblockd10:45:591
2802239993532,2cyclictest2751424-1kworker/1:2H+kblockd09:20:091
2802239993532,2cyclictest2751424-1kworker/1:2H+kblockd08:35:201
2802239993532,2cyclictest2751424-1kworker/1:2H+kblockd07:55:041
2802239993530,4cyclictest2751424-1kworker/1:2H+kblockd11:28:131
2802239993528,5cyclictest3058292-21ntpq12:05:031
2802234993533,1cyclictest2793211-1kworker/0:2H+kblockd12:35:110
2802234993533,1cyclictest2793211-1kworker/0:2H+kblockd09:25:440
2802234993533,1cyclictest2793211-1kworker/0:2H+kblockd08:05:300
2802234993531,3cyclictest3063374-21apt-get12:10:070
2802234993531,3cyclictest2937304-21kworker/u8:0+flush-179:010:35:150
2802234993531,2cyclictest2793211-1kworker/0:2H+kblockd10:10:120
2802234993530,4cyclictest3020427-21apt-get11:20:060
2802247993432,1cyclictest2470581-1kworker/3:2H+kblockd11:35:243
2802247993432,1cyclictest2470581-1kworker/3:2H+kblockd10:27:213
2802247993432,1cyclictest2470581-1kworker/3:2H+kblockd08:58:483
2802247993431,2cyclictest3006125-21kworker/u8:2+flush-179:011:15:163
2802247993431,2cyclictest2470581-1kworker/3:2H+kblockd10:15:533
2802247993431,2cyclictest2470581-1kworker/3:2H+kblockd08:34:023
2802247993431,2cyclictest2470581-1kworker/3:2H+kblockd07:45:033
2802247993431,2cyclictest2470581-1kworker/3:2H+kblockd07:27:033
2802242993432,1cyclictest3006479-21kworker/2:1+pm11:50:402
280224299340,1cyclictest2897980-31munin-html08:55:362
2802239993433,1cyclictest0-21swapper/111:45:231
2802239993432,1cyclictest2902719-21kworker/1:0+pm12:15:231
2802239993432,1cyclictest2902719-21kworker/1:0+pm09:47:291
2802239993431,2cyclictest2751424-1kworker/1:2H+kblockd10:45:001
2802239993429,4cyclictest2941973-21/usr/share/muni09:50:011
2802239993427,5cyclictest2850902-21ntpq08:05:041
2802234993432,1cyclictest2793211-1kworker/0:2H+kblockd07:55:140
2802234993431,2cyclictest2793211-1kworker/0:2H+kblockd10:00:040
2802234993430,3cyclictest3006125-21kworker/u8:2+flush-179:011:15:140
2802234993430,3cyclictest2858927-21kworker/u8:2+events_unbound08:15:100
2802234993430,2cyclictest2793211-1kworker/0:2H+kblockd09:35:160
2802247993331,1cyclictest2470581-1kworker/3:2H+kblockd10:00:443
2802247993331,1cyclictest2470581-1kworker/3:2H+kblockd08:19:013
2802247993331,1cyclictest2470581-1kworker/3:2H+kblockd07:55:053
2802247993331,1cyclictest2470581-1kworker/3:2H+kblockd07:30:283
2802247993330,2cyclictest2934251-21awk09:40:073
2802247993329,2cyclictest2470581-1kworker/3:2H+kblockd10:20:123
2802247993329,2cyclictest2470581-1kworker/3:2H+kblockd08:45:533
2802247993328,4cyclictest3064975-21diskstats12:10:173
2802242993331,1cyclictest3006479-21kworker/2:1+pm11:25:122
2802242993331,1cyclictest2880781-21kworker/2:1+pm09:55:522
2802242993331,1cyclictest2767786-21kworker/2:0+pm07:25:522
2802242993329,3cyclictest2815409-21kworker/u8:0+flush-179:008:15:242
2802239993331,1cyclictest2854378-21kworker/1:1+pm08:12:411
2802239993329,3cyclictest66610-21ntpd08:32:361
2802239993329,3cyclictest2751424-1kworker/1:2H+kblockd10:25:041
2802239993328,4cyclictest3003456-21apt-get11:00:071
2802239993327,5cyclictest1318-21snmpd09:39:271
2802239993320,3cyclictest3072350-21cat12:20:071
2802234993330,2cyclictest2997070-21kworker/u8:0+flush-179:011:05:060
2802234993324,8cyclictest1318-21snmpd10:16:190
2802247993230,1cyclictest64742-21isc-net-000010:35:063
2802247993230,1cyclictest2470581-1kworker/3:2H+kblockd09:31:013
2802247993230,1cyclictest1318-21snmpd08:28:373
2802247993230,1cyclictest1318-21snmpd07:19:173
2802247993229,2cyclictest3031691-21kworker/3:1+pm11:50:223
2802242993230,1cyclictest2880781-21kworker/2:1+pm09:05:282
2802239993229,2cyclictest2751424-1kworker/1:2H+kblockd09:55:181
2802234993231,1cyclictest2793211-1kworker/0:2H+kblockd10:25:060
2802234993230,1cyclictest66610-21ntpd11:27:350
2802234993230,1cyclictest3013678-21awk11:10:180
2802234993230,1cyclictest2804753-21awk07:10:140
2802234993230,1cyclictest1318-21snmpd10:54:290
2802234993230,1cyclictest1318-21snmpd10:49:350
2802234993230,1cyclictest1318-21snmpd08:10:010
2802234993230,1cyclictest1318-21snmpd07:44:210
2802247993129,1cyclictest64742-21isc-net-000011:20:073
2802247993129,1cyclictest2872425-21kworker/3:1+pm08:44:033
2802247993129,1cyclictest2470581-1kworker/3:2H+kblockd11:42:193
2802247993129,1cyclictest2470581-1kworker/3:2H+kblockd07:37:013
2802247993129,1cyclictest1318-21snmpd09:53:043
2802247993127,2cyclictest2830662-21awk07:40:123
2802247993126,3cyclictest2855237-21/usr/share/muni08:10:013
2802239993130,1cyclictest2751424-1kworker/1:2H+kblockd07:54:381
2802239993129,2cyclictest1318-21snmpd08:25:341
2802239993129,1cyclictest2751424-1kworker/1:2H+kblockd11:52:381
2802239993129,1cyclictest1318-21snmpd12:34:561
2802239993129,1cyclictest1318-21snmpd10:30:411
2802239993129,1cyclictest1318-21snmpd09:12:181
2802239993129,1cyclictest1318-21snmpd08:16:371
2802239993128,2cyclictest2751424-1kworker/1:2H+kblockd08:03:421
2802234993130,1cyclictest2793211-1kworker/0:2H+kblockd12:20:390
2802234993130,0cyclictest1318-21snmpd12:00:590
2802234993129,1cyclictest1318-21snmpd11:32:360
2802234993129,1cyclictest1318-21snmpd10:43:300
2802234993129,1cyclictest1318-21snmpd09:03:170
2802234993129,1cyclictest1318-21snmpd07:31:570
2802234993129,1cyclictest1318-21snmpd07:29:450
2802234993126,4cyclictest3049545-21/usr/share/muni11:55:030
2802247993029,1cyclictest1318-21snmpd10:59:203
2802247993028,1cyclictest2847934-21awk08:00:123
2802247993028,1cyclictest2470581-1kworker/3:2H+kblockd10:30:263
2802247993028,1cyclictest1318-21snmpd11:28:093
2802247993028,1cyclictest1318-21snmpd07:22:323
2802247993027,2cyclictest2470581-1kworker/3:2H+kblockd08:05:533
2802239993029,1cyclictest2803423-21awk07:10:071
2802239993029,1cyclictest1318-21snmpd10:10:191
2802239993029,0cyclictest1318-21snmpd10:56:151
2802239993028,1cyclictest2888641-21awk08:45:191
2802239993028,1cyclictest1318-21snmpd11:09:091
2802239993028,1cyclictest1318-21snmpd10:06:131
2802239993028,1cyclictest1318-21snmpd09:40:211
2802239993027,2cyclictest2751424-1kworker/1:2H+kblockd08:55:121
2802239993018,3cyclictest2924621-21/usr/share/muni09:30:171
2802234993029,1cyclictest1318-21snmpd07:20:170
2802234993028,1cyclictest2949067-21awk09:55:200
2802234993028,1cyclictest2927062-21awk09:30:160
2802234993028,1cyclictest1318-21snmpd11:01:230
2802234993028,1cyclictest1318-21snmpd08:20:250
2802234993028,1cyclictest1318-21snmpd08:00:030
2802234993028,1cyclictest1318-21snmpd07:51:540
2802234993028,1cyclictest1318-21snmpd07:46:060
2802234993027,2cyclictest2793211-1kworker/0:2H+kblockd08:55:100
2802234993026,3cyclictest2858927-21kworker/u8:2+events_unbound08:25:120
2802234993015,14cyclictest3018863-21kworker/u8:1+events_unbound11:50:140
2802247992929,0cyclictest1318-21snmpd08:51:323
2802247992927,1cyclictest1318-21snmpd12:03:073
2802247992926,2cyclictest2470581-1kworker/3:2H+kblockd08:20:503
2802239992929,0cyclictest2818158-21awk07:25:151
2802239992929,0cyclictest1318-21snmpd12:13:051
2802239992925,3cyclictest2865718-21apt-get08:20:131
2802239992923,5cyclictest3049538-21/usr/share/muni11:55:021
2802239992920,1cyclictest2994500-21awk10:50:081
2802234992929,0cyclictest1318-21snmpd11:36:090
2802234992929,0cyclictest1318-21snmpd09:42:490
2802234992928,1cyclictest2793211-1kworker/0:2H+kblockd09:11:170
2802234992928,1cyclictest1318-21snmpd08:50:470
2802234992928,0cyclictest1318-21snmpd09:53:310
2802234992927,1cyclictest64742-21isc-net-000010:30:070
2802234992927,1cyclictest1318-21snmpd10:56:110
2802247992828,0cyclictest1318-21snmpd12:33:293
2802247992828,0cyclictest1318-21snmpd10:12:373
2802247992828,0cyclictest1318-21snmpd09:29:483
2802234992828,0cyclictest1318-21snmpd08:36:140
2802247992724,2cyclictest2470581-1kworker/3:2H+kblockd09:57:303
2802239992724,2cyclictest1318-21snmpd11:20:121
2802234992725,1cyclictest1318-21snmpd12:26:500
2802234992725,1cyclictest1318-21snmpd09:19:450
2802247992524,1cyclictest1318-21snmpd10:05:493
2802247992523,1cyclictest1318-21snmpd10:44:053
2802234992520,4cyclictest2967624-21/usr/share/muni10:20:020
2802247992421,2cyclictest2470581-1kworker/3:2H+kblockd09:00:173
280223999241,22cyclictest3028243-21ntpq11:30:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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