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2025-11-24 - 22:06
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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 Mon Nov 24, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29257012256200,20sleep30-21swapper/307:06:403
29259322236185,40sleep20-21swapper/207:09:412
29257612235182,20sleep00-21swapper/007:07:250
29257142227198,19sleep10-21swapper/107:06:511
31461752580,2sleep23146164-31munin-html11:20:342
2926153995149,1cyclictest3015822-21awk08:50:163
2926150995045,4cyclictest3041093-21ntpq09:20:142
292614799480,47cyclictest0-21swapper/107:25:141
2926143994844,3cyclictest2986437-21kworker/u8:0+flush-179:008:25:290
2926153994644,1cyclictest0-21swapper/311:45:013
2926153994642,3cyclictest3051217-21kworker/u8:0+flush-179:009:45:093
2926153994640,4cyclictest2930301-21latency_hist07:15:003
2926147994642,3cyclictest2995461-21/usr/share/muni08:30:011
2926153994440,3cyclictest3094665-21kworker/u8:4+flush-179:010:55:143
2926147994438,5cyclictest3022824-21ntpq09:00:101
2926143994339,3cyclictest3006677-21apt-get08:40:160
2926150994238,3cyclictest2978310-21/usr/share/muni08:10:042
2926150994138,2cyclictest0-21swapper/209:45:022
2926147994135,4cyclictest47022-21systemd-journal10:20:011
2926153994035,4cyclictest2943738-21kworker/u8:2+events_unbound07:45:163
2926150994037,2cyclictest2828993-21kworker/2:0+pm07:25:122
2926147994037,2cyclictest2807896-21kworker/1:0+pm08:25:011
2926147994034,5cyclictest2655209-1kworker/1:0H+kblockd09:35:121
2926143994037,2cyclictest3060206-21snmp_areswitch.09:45:020
2926153993937,1cyclictest1318-21snmpd12:01:553
2926153993935,3cyclictest3077998-21kworker/u8:0+events_unbound11:25:153
2926153993935,3cyclictest3051250-21kworker/u8:4+flush-179:009:40:163
2926153993934,3cyclictest2968925-21kworker/u8:0+events_unbound08:10:103
2926153993934,3cyclictest2820727-1kworker/3:0H+kblockd11:55:583
2926153993934,3cyclictest2820727-1kworker/3:0H+kblockd11:50:053
2926153993932,5cyclictest2990133-21ntpq08:20:253
2926150993937,1cyclictest2978107-21kworker/2:3+pm10:55:222
2926150993937,1cyclictest2978107-21kworker/2:3+pm09:26:042
2926150993937,1cyclictest2828993-21kworker/2:0+pm07:20:182
292615099391,13cyclictest3150433-31munin-html11:25:362
2926147993937,1cyclictest2807896-21kworker/1:0+pm07:34:021
2926147993935,3cyclictest3169411-21apt-get11:50:081
2926147993934,4cyclictest3105783-21apt-get10:35:141
2926147993932,5cyclictest3025925-21/usr/share/muni09:05:021
2926147993929,9cyclictest1318-21snmpd11:56:331
2926143993933,4cyclictest3129660-21/usr/share/muni11:05:160
2926143993932,5cyclictest3095392-21/usr/share/muni10:25:030
2926153993834,3cyclictest2913134-21kworker/u8:1+flush-179:007:30:113
2926153993834,3cyclictest2820727-1kworker/3:0H+kblockd10:45:163
2926153993833,3cyclictest2820727-1kworker/3:0H+kblockd09:35:043
292615399380,1cyclictest0-21swapper/309:12:403
2926150993837,1cyclictest2828993-21kworker/2:0+pm07:56:402
2926150993836,1cyclictest3167951-21kworker/2:0+pm11:50:562
2926150993836,1cyclictest2978107-21kworker/2:3+pm11:30:112
2926150993836,1cyclictest2978107-21kworker/2:3+pm11:15:522
2926150993836,1cyclictest2978107-21kworker/2:3+pm10:40:042
2926150993836,1cyclictest2978107-21kworker/2:3+pm10:15:152
2926150993836,1cyclictest2978107-21kworker/2:3+pm10:00:592
2926150993836,1cyclictest2978107-21kworker/2:3+pm09:30:572
2926150993836,1cyclictest2978107-21kworker/2:3+pm09:11:032
2926150993836,1cyclictest2978107-21kworker/2:3+pm08:45:452
2926150993836,1cyclictest2828993-21kworker/2:0+pm07:10:112
2926150993835,2cyclictest2978107-21kworker/2:3+pm11:40:062
2926150993835,2cyclictest2978107-21kworker/2:3+pm10:50:082
2926150993835,2cyclictest2978107-21kworker/2:3+pm09:00:042
2926150993834,2cyclictest1510357-1kworker/2:1H+kblockd09:15:032
2926150993834,2cyclictest1510357-1kworker/2:1H+kblockd09:05:042
2926150993833,4cyclictest3207178-21/usr/share/muni12:35:072
2926150993833,4cyclictest3207178-21/usr/share/muni12:35:072
2926147993836,1cyclictest1318-21snmpd11:45:201
2926147993834,2cyclictest2655209-1kworker/1:0H+kblockd07:55:011
2926143993836,1cyclictest1318-21snmpd08:36:090
2926153993734,3cyclictest3051217-21kworker/u8:0+events_unbound09:50:163
2926153993734,2cyclictest2904211-21kworker/3:2+pm08:05:103
2926153993734,2cyclictest2820727-1kworker/3:0H+kblockd10:25:463
2926153993734,2cyclictest2820727-1kworker/3:0H+kblockd09:00:493
2926153993734,2cyclictest2820727-1kworker/3:0H+kblockd08:04:403
2926153993733,3cyclictest3171977-21kworker/u8:2+flush-179:012:05:053
2926153993733,3cyclictest3077998-21kworker/u8:0+flush-179:010:30:143
2926150993735,1cyclictest3167951-21kworker/2:0+pm12:10:192
2926150993735,1cyclictest2978107-21kworker/2:3+pm11:05:102
2926150993735,1cyclictest2978107-21kworker/2:3+pm10:10:032
2926150993735,1cyclictest2978107-21kworker/2:3+pm09:51:592
2926150993735,1cyclictest2978107-21kworker/2:3+pm09:36:032
2926150993735,1cyclictest2978107-21kworker/2:3+pm08:50:472
2926150993735,1cyclictest2978107-21kworker/2:3+pm08:35:442
2926150993735,1cyclictest2978107-21kworker/2:3+pm08:30:152
2926150993735,1cyclictest2978107-21kworker/2:3+pm08:28:032
2926150993735,1cyclictest2828993-21kworker/2:0+pm07:15:432
2926150993734,2cyclictest2828993-21kworker/2:0+pm07:45:042
2926150993734,2cyclictest1510357-1kworker/2:1H+kblockd12:00:112
2926150993732,3cyclictest3202922-21/usr/share/muni12:30:062
2926147993735,1cyclictest3072217-21kworker/1:2+pm10:14:091
2926147993734,2cyclictest2655209-1kworker/1:0H+kblockd08:56:231
2926147993734,2cyclictest2655209-1kworker/1:0H+kblockd08:14:311
2926147993733,3cyclictest2655209-1kworker/1:0H+kblockd10:06:301
2926147993733,3cyclictest2655209-1kworker/1:0H+kblockd08:45:041
2926143993735,2cyclictest2887461-1kworker/0:1H+kblockd09:56:100
2926143993735,1cyclictest2887461-1kworker/0:1H+kblockd12:21:540
2926143993734,2cyclictest3153376-21cat11:30:150
2926143993734,2cyclictest2887461-1kworker/0:1H+kblockd12:10:040
2926143993734,2cyclictest2887461-1kworker/0:1H+kblockd11:50:270
2926143993734,2cyclictest2887461-1kworker/0:1H+kblockd07:55:030
2926153993633,2cyclictest3068563-21kworker/u8:1+events_unbound09:55:223
2926153993633,2cyclictest2820727-1kworker/3:0H+kblockd12:30:103
2926153993633,2cyclictest2820727-1kworker/3:0H+kblockd10:05:043
2926153993633,2cyclictest2820727-1kworker/3:0H+kblockd10:00:123
2926153993632,3cyclictest3171977-21kworker/u8:2+flush-179:012:10:143
2926153993632,3cyclictest3125130-21kworker/u8:1+flush-179:011:20:103
2926153993631,4cyclictest3008389-21kworker/u8:1+events_unbound09:15:153
2926150993635,1cyclictest3167951-21kworker/2:0+pm12:21:002
2926150993634,1cyclictest3167951-21kworker/2:0+pm12:25:572
2926150993634,1cyclictest3167951-21kworker/2:0+pm12:05:192
2926150993634,1cyclictest2978107-21kworker/2:3+pm11:48:172
2926150993634,1cyclictest2978107-21kworker/2:3+pm11:10:502
2926150993634,1cyclictest2978107-21kworker/2:3+pm09:55:222
2926150993634,1cyclictest2978107-21kworker/2:3+pm08:17:552
2926150993634,1cyclictest2828993-21kworker/2:0+pm07:52:512
2926150993634,1cyclictest2828993-21kworker/2:0+pm07:40:122
2926150993634,1cyclictest2828993-21kworker/2:0+pm07:40:122
2926150993634,1cyclictest1510357-1kworker/2:1H+kblockd09:42:212
2926150993634,1cyclictest1510357-1kworker/2:1H+kblockd07:30:582
2926150993633,2cyclictest2978107-21kworker/2:3+pm08:55:042
2926150993633,2cyclictest2978107-21kworker/2:3+pm08:40:292
2926150993633,2cyclictest1510357-1kworker/2:1H+kblockd10:05:252
292615099360,35cyclictest0-21swapper/210:35:532
2926147993634,1cyclictest2655209-1kworker/1:0H+kblockd11:40:111
2926147993634,1cyclictest2655209-1kworker/1:0H+kblockd09:55:441
2926147993634,1cyclictest2655209-1kworker/1:0H+kblockd07:41:521
2926147993634,1cyclictest2655209-1kworker/1:0H+kblockd07:41:521
2926147993633,2cyclictest3112554-21grep10:45:011
2926147993633,2cyclictest2655209-1kworker/1:0H+kblockd12:35:101
2926147993633,2cyclictest2655209-1kworker/1:0H+kblockd12:35:101
2926147993633,2cyclictest2655209-1kworker/1:0H+kblockd08:36:251
2926147993631,3cyclictest3059863-21latency_hist09:45:001
2926147993617,18cyclictest3039124-21ntpq09:20:051
2926143993634,1cyclictest2887461-1kworker/0:1H+kblockd10:33:260
2926143993634,1cyclictest2887461-1kworker/0:1H+kblockd09:20:050
2926143993634,1cyclictest2887461-1kworker/0:1H+kblockd08:45:310
2926143993634,1cyclictest2887461-1kworker/0:1H+kblockd08:34:110
2926143993634,1cyclictest2887461-1kworker/0:1H+kblockd07:36:010
2926143993634,1cyclictest2887461-1kworker/0:1H+kblockd07:18:460
2926143993633,2cyclictest2887461-1kworker/0:1H+kblockd12:05:050
2926143993633,2cyclictest2887461-1kworker/0:1H+kblockd07:52:530
2926143993632,2cyclictest2887461-1kworker/0:1H+kblockd11:40:110
2926143993632,2cyclictest2887461-1kworker/0:1H+kblockd08:05:050
2926153993532,2cyclictest2820727-1kworker/3:0H+kblockd12:25:053
2926153993532,2cyclictest2820727-1kworker/3:0H+kblockd08:45:123
2926153993531,3cyclictest3125130-21kworker/u8:1+flush-179:011:00:133
2926153993531,3cyclictest3025736-21kworker/u8:3+flush-179:009:20:143
2926153993531,3cyclictest2943738-21kworker/u8:2+events_unbound08:15:233
2926153993531,3cyclictest2913134-21kworker/u8:1+events_unbound07:35:203
2926153993531,3cyclictest2820727-1kworker/3:0H+kblockd11:45:073
2926153993531,2cyclictest2820727-1kworker/3:0H+kblockd07:25:523
2926153993530,4cyclictest3171977-21kworker/u8:2+events_unbound12:15:113
2926153993529,4cyclictest3107868-21latency_hist10:40:003
2926150993533,1cyclictest3167951-21kworker/2:0+pm11:55:182
2926150993533,1cyclictest2978107-21kworker/2:3+pm10:30:162
2926150993533,1cyclictest2978107-21kworker/2:3+pm10:20:152
2926150993533,1cyclictest2978107-21kworker/2:3+pm08:20:562
2926150993533,1cyclictest2828993-21kworker/2:0+pm08:05:562
2926150993533,1cyclictest2828993-21kworker/2:0+pm08:00:012
2926147993533,1cyclictest2655209-1kworker/1:0H+kblockd12:16:261
2926147993533,1cyclictest2655209-1kworker/1:0H+kblockd09:48:571
2926147993532,2cyclictest2655209-1kworker/1:0H+kblockd11:25:021
2926147993532,2cyclictest2655209-1kworker/1:0H+kblockd10:00:061
2926147993532,1cyclictest2655209-1kworker/1:0H+kblockd07:20:271
2926147993530,3cyclictest3125130-21kworker/u8:1+events_unbound11:05:031
292614799351,2cyclictest3142713-21ntpq11:20:021
292614799350,34cyclictest0-21swapper/109:10:151
2926143993533,1cyclictest2887461-1kworker/0:1H+kblockd10:45:010
2926143993533,1cyclictest2887461-1kworker/0:1H+kblockd09:31:390
2926143993532,2cyclictest2887461-1kworker/0:1H+kblockd11:04:590
2926143993532,2cyclictest2887461-1kworker/0:1H+kblockd10:07:420
2926153993431,2cyclictest2820727-1kworker/3:0H+kblockd07:40:213
2926153993431,2cyclictest2820727-1kworker/3:0H+kblockd07:40:213
2926153993430,3cyclictest3003992-21kworker/u8:2+flush-179:009:05:233
2926153993429,3cyclictest2820727-1kworker/3:0H+kblockd07:50:013
2926150993432,1cyclictest2828993-21kworker/2:0+pm07:35:282
2926147993432,1cyclictest2655209-1kworker/1:0H+kblockd12:20:471
2926147993432,1cyclictest2655209-1kworker/1:0H+kblockd09:50:041
2926147993432,1cyclictest2655209-1kworker/1:0H+kblockd07:37:321
2926147993431,2cyclictest2655209-1kworker/1:0H+kblockd08:25:041
2926147993430,3cyclictest2899854-21kworker/u8:4+flush-179:008:00:061
2926143993433,1cyclictest2887461-1kworker/0:1H+kblockd11:56:420
2926143993432,1cyclictest2935224-21kworker/0:2+pm09:27:160
2926143993432,1cyclictest2887461-1kworker/0:1H+kblockd11:10:420
2926143993432,1cyclictest2887461-1kworker/0:1H+kblockd10:58:460
2926143993432,1cyclictest2887461-1kworker/0:1H+kblockd09:53:370
2926143993432,1cyclictest2887461-1kworker/0:1H+kblockd07:30:180
2926143993432,1cyclictest2887461-1kworker/0:1H+kblockd07:10:450
2926143993431,2cyclictest2887461-1kworker/0:1H+kblockd09:42:170
2926143993426,1cyclictest1318-21snmpd10:41:280
2926153993330,2cyclictest2820727-1kworker/3:0H+kblockd11:30:063
2926153993329,3cyclictest3077998-21kworker/u8:0+flush-179:011:10:123
2926153993329,3cyclictest3017078-21kworker/u8:0+events_unbound08:55:103
2926150993331,2cyclictest1510357-1kworker/2:1H+kblockd10:49:372
2926150993331,1cyclictest3167951-21kworker/2:0+pm12:19:162
2926150993331,1cyclictest2978107-21kworker/2:3+pm11:35:412
2926150993330,2cyclictest2978107-21kworker/2:3+pm11:00:172
2926150993320,12cyclictest2978107-21kworker/2:3+pm10:25:032
2926147993331,1cyclictest2655209-1kworker/1:0H+kblockd11:11:331
2926147993331,1cyclictest2655209-1kworker/1:0H+kblockd07:16:081
2926147993330,2cyclictest2655209-1kworker/1:0H+kblockd12:25:201
2926147993330,2cyclictest2655209-1kworker/1:0H+kblockd11:01:481
2926147993330,2cyclictest2655209-1kworker/1:0H+kblockd10:24:311
2926143993331,1cyclictest2887461-1kworker/0:1H+kblockd12:04:320
2926143993331,1cyclictest2887461-1kworker/0:1H+kblockd09:39:530
2926143993331,1cyclictest2887461-1kworker/0:1H+kblockd08:22:320
2926143993330,2cyclictest2887461-1kworker/0:1H+kblockd11:26:590
2926143993330,2cyclictest2887461-1kworker/0:1H+kblockd11:22:300
2926153993230,1cyclictest3093687-21awk10:20:173
2926153993230,1cyclictest1318-21snmpd10:50:073
2926153993229,2cyclictest3085651-21kworker/u8:3+flush-179:010:15:063
2926153993229,2cyclictest2986437-21kworker/u8:0+flush-179:008:35:273
2926153993229,2cyclictest2820727-1kworker/3:0H+kblockd09:25:103
2926153993229,1cyclictest1318-21snmpd11:06:023
2926153993228,3cyclictest2999266-21kworker/u8:3+flush-179:008:40:243
2926147993231,1cyclictest2655209-1kworker/1:0H+kblockd10:44:581
2926147993230,1cyclictest2964095-21awk07:50:191
2926147993229,2cyclictest2957978-21awk07:45:081
2926143993231,1cyclictest2935224-21kworker/0:2+pm09:17:010
2926143993230,1cyclictest64742-21isc-net-000009:09:590
2926143993230,1cyclictest2887461-1kworker/0:1H+kblockd12:33:310
2926143993230,1cyclictest2887461-1kworker/0:1H+kblockd10:51:570
2926143993230,1cyclictest2887461-1kworker/0:1H+kblockd10:20:350
2926143993230,1cyclictest2887461-1kworker/0:1H+kblockd07:40:060
2926143993230,1cyclictest2887461-1kworker/0:1H+kblockd07:40:050
2926143993230,1cyclictest1318-21snmpd11:16:080
2926143993230,1cyclictest1318-21snmpd07:29:370
2926153993129,1cyclictest1318-21snmpd12:21:013
2926153993129,1cyclictest1318-21snmpd11:38:273
2926153993129,1cyclictest1318-21snmpd07:24:193
2926153993128,2cyclictest2820727-1kworker/3:0H+kblockd10:40:593
2926153993126,4cyclictest2935177-21latency_hist07:20:013
2926153993126,3cyclictest2820727-1kworker/3:0H+kblockd10:10:023
2926147993130,1cyclictest1318-21snmpd11:16:471
2926147993128,2cyclictest2655209-1kworker/1:0H+kblockd12:31:221
2926147993128,2cyclictest2655209-1kworker/1:0H+kblockd12:12:271
2926147993128,2cyclictest1318-21snmpd10:55:161
2926143993130,1cyclictest3166459-21awk11:45:180
2926143993130,1cyclictest2887461-1kworker/0:1H+kblockd09:10:100
2926143993129,1cyclictest2887461-1kworker/0:1H+kblockd10:15:050
2926143993129,1cyclictest1318-21snmpd09:04:450
2926143993129,1cyclictest1318-21snmpd08:03:460
2926143993129,1cyclictest1318-21snmpd07:25:010
2926153993028,1cyclictest1318-21snmpd08:30:453
2926147993029,1cyclictest2975674-21awk08:05:131
2926147993029,1cyclictest2655209-1kworker/1:0H+kblockd09:16:261
2926147993028,1cyclictest64742-21isc-net-000011:37:591
2926147993028,1cyclictest3183124-21awk12:05:121
2926147993028,1cyclictest1318-21snmpd08:52:271
2926147993027,2cyclictest3077998-21kworker/u8:0+flush-179:012:00:141
2926147993027,2cyclictest2655209-1kworker/1:0H+kblockd10:32:081
2926143993029,0cyclictest1318-21snmpd12:35:170
2926143993029,0cyclictest1318-21snmpd12:35:170
2926143993028,1cyclictest2959820-21awk07:45:170
2926143993028,1cyclictest2887461-1kworker/0:1H+kblockd11:36:260
2926143993028,1cyclictest2887461-1kworker/0:1H+kblockd10:14:050
2926143993028,1cyclictest1318-21snmpd08:51:580
2926143993027,2cyclictest2887461-1kworker/0:1H+kblockd08:15:100
2926153992929,0cyclictest2967935-21awk07:55:163
2926153992925,3cyclictest2986437-21kworker/u8:0+events_unbound08:25:113
2926147992926,2cyclictest2655209-1kworker/1:0H+kblockd07:10:481
2926147992924,4cyclictest3095401-21/usr/share/muni10:25:151
2926143992928,1cyclictest1318-21snmpd12:15:160
2926143992927,1cyclictest2887461-1kworker/0:1H+kblockd10:00:110
2926147992828,0cyclictest1318-21snmpd09:29:171
2926147992826,1cyclictest3007235-21awk08:40:201
2926147992826,1cyclictest1318-21snmpd11:33:361
2926143992826,2cyclictest2887461-1kworker/0:1H+kblockd12:29:150
2926143992823,4cyclictest3017400-21/usr/share/muni08:55:010
2926153992725,1cyclictest1318-21snmpd12:39:233
2926153992725,1cyclictest1318-21snmpd12:39:233
2926153992722,4cyclictest1318-21snmpd09:30:083
2926147992726,0cyclictest3118433-21awk10:50:121
2926143992727,0cyclictest1318-21snmpd10:39:190
2926143992725,1cyclictest1318-21snmpd08:11:320
2926147992523,1cyclictest2655209-1kworker/1:0H+kblockd09:30:491
2926153992423,1cyclictest3139264-21awk11:15:083
292614799241,2cyclictest2983563-21ntpq08:15:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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