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2025-12-07 - 15:38
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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 all highest latencies:
System rackbslot2.osadl.org (updated Sun Dec 07, 2025 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23897852226197,19sleep10-21swapper/107:06:071
23899752225197,18sleep30-21swapper/307:08:023
23897892220190,19sleep00-21swapper/007:06:110
23897612218189,19sleep20-21swapper/207:05:522
2390273998975,12cyclictest2421242-13chrome07:45:000
2390285998810,11cyclictest2629662-26chrome11:45:013
2390278998715,53cyclictest2629582-21chrome11:45:021
2390273998415,11cyclictest2629638-21snmp_wanswitch.11:45:020
2390278996044,14cyclictest2421369-21chrome07:45:001
239028299575,11cyclictest2577380-21snmp_wanpowerct10:45:022
2390285995640,13cyclictest2421434-21snmp_ryswitch.c07:45:013
24652432520,2sleep02465240-21ntpq08:35:030
2390278994632,2cyclictest2146021-1kworker/1:0H+kblockd09:55:031
25710622450,2sleep30-21swapper/310:35:153
2390282994538,4cyclictest2564242-21latency_hist10:30:012
2390282994439,4cyclictest2596369-21kworker/u8:4+events_unbound11:45:022
2390282994439,4cyclictest2538915-21/usr/share/muni10:00:162
2390278994438,4cyclictest2594893-21/usr/share/muni11:05:141
2390278994431,2cyclictest2146021-1kworker/1:0H+kblockd11:10:031
2390285994339,3cyclictest2396640-21cat07:15:133
2390285994338,4cyclictest2672670-21/usr/share/muni12:35:043
2390282994336,5cyclictest2555851-21/usr/share/muni10:20:022
2390282994236,5cyclictest2395137-21ntpq07:15:042
239027899428,25cyclictest0-21swapper/107:15:121
2390285994137,3cyclictest2629279-21latency_hist11:45:013
2390282994136,3cyclictest2454729-21kworker/2:0+pm09:30:022
2390282994136,3cyclictest2385562-21kworker/u8:1+flush-179:007:10:052
2390278994137,3cyclictest2542873-21munin-update10:05:031
2390278994133,7cyclictest2502346-21kworker/u8:4+flush-179:009:20:061
239027399411,39cyclictest2676479-21unin-run12:40:000
2390285994039,1cyclictest1318-21snmpd10:25:153
2390282994038,1cyclictest2559728-21kworker/2:1+pm10:50:272
2390282994037,2cyclictest2559728-21kworker/2:1+pm12:02:262
2390282994037,2cyclictest2559728-21kworker/2:1+pm11:31:422
2390282994037,2cyclictest2559728-21kworker/2:1+pm11:21:452
2390282994037,2cyclictest2454729-21kworker/2:0+pm10:21:142
2390282994037,2cyclictest2454729-21kworker/2:0+pm09:12:072
2390282994037,2cyclictest2335755-21kworker/2:0+pm07:30:322
2390282994037,1cyclictest2559728-21kworker/2:1+pm11:06:342
2390282994036,3cyclictest2454729-21kworker/2:0+pm09:35:052
2390282994036,2cyclictest2454729-21kworker/2:0+pm09:20:072
2390282994028,11cyclictest2524118-21awk09:40:162
239028299401,3cyclictest2628938-31munin-html11:41:202
26563022390,0chrt2656300-21ntpq12:15:063
2390282993937,1cyclictest2645190-21kworker/2:0+pm12:32:082
2390282993937,1cyclictest2645190-21kworker/2:0+pm12:21:512
2390282993937,1cyclictest2454729-21kworker/2:0+pm08:25:292
2390282993937,1cyclictest2335755-21kworker/2:0+pm07:56:332
2390282993936,2cyclictest2454729-21kworker/2:0+pm09:55:022
2390282993936,2cyclictest2454729-21kworker/2:0+pm09:02:292
2390282993936,2cyclictest2454729-21kworker/2:0+pm08:31:372
2390282993936,2cyclictest2433838-21kworker/2:2+pm08:10:042
2390282993936,2cyclictest2433838-21kworker/2:2+pm08:10:032
2390282993936,2cyclictest2433838-21kworker/2:2+pm08:06:282
2390282993936,2cyclictest2335755-21kworker/2:0+pm07:36:492
2390282993936,2cyclictest2330615-1kworker/2:0H+kblockd10:07:492
2390282993934,3cyclictest2460596-21kworker/u8:3+flush-179:008:40:042
2390282993934,3cyclictest2330615-1kworker/2:0H+kblockd11:56:142
239028299390,2cyclictest2438045-31munin-html08:01:202
2390285993834,2cyclictest1800599-1kworker/3:1H+kblockd11:51:033
2390282993836,1cyclictest2454729-21kworker/2:0+pm10:11:032
2390282993836,1cyclictest2433838-21kworker/2:2+pm08:15:232
2390282993835,2cyclictest2559728-21kworker/2:1+pm11:35:172
2390282993835,2cyclictest2559728-21kworker/2:1+pm10:56:312
2390282993834,2cyclictest2335755-21kworker/2:0+pm07:45:022
2390282993834,2cyclictest2330615-1kworker/2:0H+kblockd10:31:392
2390282993834,2cyclictest2330615-1kworker/2:0H+kblockd09:50:002
2390282993834,2cyclictest2330615-1kworker/2:0H+kblockd09:45:142
2390282993834,2cyclictest2330615-1kworker/2:0H+kblockd09:45:142
2390278993833,4cyclictest2491206-21/usr/share/muni09:05:021
2390273993836,1cyclictest2464470-21kworker/0:2+pm10:00:250
2390273993835,2cyclictest2385562-21kworker/u8:1+events_unbound07:10:130
2390273993832,5cyclictest2551617-21/usr/share/muni10:15:030
2390285993735,1cyclictest2420835-21kworker/3:1+pm11:37:043
2390285993734,2cyclictest1800599-1kworker/3:1H+kblockd12:27:293
2390285993734,2cyclictest1800599-1kworker/3:1H+kblockd11:28:033
2390285993731,4cyclictest2508369-21/usr/share/muni09:25:023
2390285993729,5cyclictest2534574-21/usr/share/muni09:55:023
2390282993736,1cyclictest2454729-21kworker/2:0+pm09:25:312
2390282993735,1cyclictest2645190-21kworker/2:0+pm12:26:542
2390282993734,2cyclictest2559728-21kworker/2:1+pm11:01:332
2390282993733,3cyclictest2559728-21kworker/2:1+pm11:25:042
2390282993733,3cyclictest2385562-21kworker/u8:1+flush-179:008:50:132
2390282993732,3cyclictest2460596-21kworker/u8:3+flush-179:008:45:132
2390282993725,11cyclictest1318-21snmpd10:35:122
2390278993734,2cyclictest2146021-1kworker/1:0H+kblockd12:31:411
2390278993734,2cyclictest2146021-1kworker/1:0H+kblockd10:25:031
2390278993734,2cyclictest2146021-1kworker/1:0H+kblockd08:10:041
2390278993734,2cyclictest2146021-1kworker/1:0H+kblockd08:10:041
2390278993732,4cyclictest2587110-21ntpq10:55:081
2390273993724,12cyclictest2068554-1kworker/0:0H+kblockd10:50:180
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd10:30:003
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd10:21:423
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd08:35:563
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd08:10:173
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd08:10:173
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd08:05:153
2390285993634,1cyclictest1800599-1kworker/3:1H+kblockd08:02:553
2390285993633,2cyclictest1800599-1kworker/3:1H+kblockd11:15:563
2390285993633,2cyclictest1800599-1kworker/3:1H+kblockd10:45:093
2390285993633,2cyclictest1800599-1kworker/3:1H+kblockd09:46:073
2390285993633,2cyclictest1800599-1kworker/3:1H+kblockd09:46:073
2390285993633,2cyclictest1800599-1kworker/3:1H+kblockd08:40:043
2390282993634,1cyclictest2645190-21kworker/2:0+pm12:38:272
2390282993634,1cyclictest2645190-21kworker/2:0+pm12:07:152
2390282993634,1cyclictest2645190-21kworker/2:0+pm12:07:142
2390282993634,1cyclictest2330615-1kworker/2:0H+kblockd11:51:322
2390282993634,1cyclictest2330615-1kworker/2:0H+kblockd11:11:482
2390282993633,2cyclictest2454729-21kworker/2:0+pm09:05:052
2390282993631,3cyclictest2645190-21kworker/2:0+pm12:15:032
2390282993619,15cyclictest2482362-21cat08:55:002
239028299361,33cyclictest2420788-31munin-graph07:41:482
2390278993634,1cyclictest2477585-21kworker/1:0+pm09:10:201
2390278993634,1cyclictest2146021-1kworker/1:0H+kblockd08:59:481
2390278993634,1cyclictest2146021-1kworker/1:0H+kblockd08:23:301
2390278993633,2cyclictest2146021-1kworker/1:0H+kblockd12:35:161
2390278993632,2cyclictest2146021-1kworker/1:0H+kblockd11:20:011
2390273993634,2cyclictest2068554-1kworker/0:0H+kblockd11:16:560
2390273993634,1cyclictest2551487-21kworker/0:1+pm10:47:040
2390273993634,1cyclictest2068554-1kworker/0:0H+kblockd09:59:240
2390273993634,1cyclictest2068554-1kworker/0:0H+kblockd09:35:430
2390273993634,1cyclictest2068554-1kworker/0:0H+kblockd09:34:280
2390273993634,1cyclictest2068554-1kworker/0:0H+kblockd09:01:070
2390273993634,1cyclictest2068554-1kworker/0:0H+kblockd08:30:550
2390273993634,1cyclictest2068554-1kworker/0:0H+kblockd07:26:040
2390273993634,1cyclictest2068554-1kworker/0:0H+kblockd07:17:400
2390273993633,2cyclictest2068554-1kworker/0:0H+kblockd12:21:120
2390273993633,2cyclictest2068554-1kworker/0:0H+kblockd09:09:160
2390273993633,2cyclictest2068554-1kworker/0:0H+kblockd08:14:340
2390273993633,2cyclictest2068554-1kworker/0:0H+kblockd08:14:330
2390273993629,5cyclictest2438635-21/usr/share/muni08:05:130
2390285993534,1cyclictest1800599-1kworker/3:1H+kblockd08:28:223
2390285993533,1cyclictest1800599-1kworker/3:1H+kblockd10:00:123
2390285993533,1cyclictest1800599-1kworker/3:1H+kblockd09:05:373
2390285993533,1cyclictest1800599-1kworker/3:1H+kblockd08:30:363
2390285993533,1cyclictest1800599-1kworker/3:1H+kblockd07:31:323
2390285993532,2cyclictest1800599-1kworker/3:1H+kblockd11:05:303
2390285993532,2cyclictest1800599-1kworker/3:1H+kblockd09:01:343
2390285993532,2cyclictest1800599-1kworker/3:1H+kblockd07:11:013
2390282993533,1cyclictest2330615-1kworker/2:0H+kblockd09:16:342
2390282993532,2cyclictest2335755-21kworker/2:0+pm07:26:442
2390282993532,2cyclictest2330615-1kworker/2:0H+kblockd10:40:222
2390278993533,1cyclictest2508170-21kworker/1:2+pm10:41:011
2390278993533,1cyclictest2508170-21kworker/1:2+pm09:47:151
2390278993533,1cyclictest2508170-21kworker/1:2+pm09:47:151
2390278993533,1cyclictest2146021-1kworker/1:0H+kblockd12:05:511
2390278993533,1cyclictest2146021-1kworker/1:0H+kblockd12:05:511
2390278993533,1cyclictest2146021-1kworker/1:0H+kblockd10:13:401
2390278993533,1cyclictest2146021-1kworker/1:0H+kblockd07:30:431
2390278993533,1cyclictest2146021-1kworker/1:0H+kblockd07:11:331
2390278993532,2cyclictest2146021-1kworker/1:0H+kblockd11:34:151
2390278993532,2cyclictest2146021-1kworker/1:0H+kblockd11:15:151
2390278993532,2cyclictest2146021-1kworker/1:0H+kblockd08:41:291
2390278993528,5cyclictest2663906-21/usr/share/muni12:25:021
2390273993533,1cyclictest2068554-1kworker/0:0H+kblockd11:52:480
2390273993533,1cyclictest2068554-1kworker/0:0H+kblockd09:13:500
2390273993533,1cyclictest2068554-1kworker/0:0H+kblockd08:54:490
2390273993533,1cyclictest2068554-1kworker/0:0H+kblockd08:45:500
2390273993533,1cyclictest2068554-1kworker/0:0H+kblockd07:54:360
2390273993533,1cyclictest2068554-1kworker/0:0H+kblockd07:54:360
2390273993532,2cyclictest2068554-1kworker/0:0H+kblockd10:40:310
2390273993532,2cyclictest2068554-1kworker/0:0H+kblockd09:17:170
2390273993532,2cyclictest2068554-1kworker/0:0H+kblockd07:35:030
2390285993432,1cyclictest2420835-21kworker/3:1+pm10:08:113
2390285993432,1cyclictest1800599-1kworker/3:1H+kblockd10:51:043
2390285993432,1cyclictest1800599-1kworker/3:1H+kblockd10:41:023
2390285993432,1cyclictest1800599-1kworker/3:1H+kblockd10:17:023
2390285993432,1cyclictest1800599-1kworker/3:1H+kblockd08:16:553
2390285993432,1cyclictest1800599-1kworker/3:1H+kblockd07:38:363
2390285993427,5cyclictest2668154-21/usr/share/muni12:30:023
2390285993418,15cyclictest2523943-21cat09:40:143
2390282993431,2cyclictest2433710-21kworker/u8:0+events_unbound08:35:132
2390282993431,2cyclictest2335755-21kworker/2:0+pm07:50:042
2390282993431,2cyclictest2335755-21kworker/2:0+pm07:50:042
239028299341,32cyclictest2455974-31munin-html08:21:192
2390282993411,22cyclictest2607169-31munin-graph11:16:412
2390278993433,1cyclictest2438397-21kworker/1:1+pm08:25:351
2390278993433,1cyclictest2146021-1kworker/1:0H+kblockd10:20:331
2390278993433,1cyclictest2146021-1kworker/1:0H+kblockd10:00:311
2390278993433,1cyclictest2146021-1kworker/1:0H+kblockd09:44:041
2390278993432,1cyclictest2146021-1kworker/1:0H+kblockd11:56:121
2390278993432,1cyclictest2146021-1kworker/1:0H+kblockd10:16:291
2390278993432,1cyclictest2146021-1kworker/1:0H+kblockd09:31:281
2390278993432,1cyclictest2146021-1kworker/1:0H+kblockd08:34:541
2390278993432,1cyclictest2146021-1kworker/1:0H+kblockd07:20:501
2390278993431,2cyclictest2146021-1kworker/1:0H+kblockd11:01:521
2390278993431,2cyclictest2146021-1kworker/1:0H+kblockd10:50:321
2390278993431,2cyclictest2146021-1kworker/1:0H+kblockd08:45:161
2390278993431,2cyclictest2146021-1kworker/1:0H+kblockd08:00:001
2390273993432,1cyclictest2068554-1kworker/0:0H+kblockd11:10:210
2390273993432,1cyclictest2068554-1kworker/0:0H+kblockd10:27:560
2390273993432,1cyclictest2068554-1kworker/0:0H+kblockd10:07:310
2390273993432,1cyclictest2068554-1kworker/0:0H+kblockd07:56:330
2390273993432,1cyclictest2068554-1kworker/0:0H+kblockd07:20:100
2390273993428,4cyclictest2521574-21/usr/share/muni09:40:010
2390285993332,1cyclictest1800599-1kworker/3:1H+kblockd09:36:083
2390285993331,1cyclictest1800599-1kworker/3:1H+kblockd10:57:353
2390285993330,2cyclictest2515083-21kworker/u8:1+flush-179:009:50:133
2390285993330,2cyclictest1800599-1kworker/3:1H+kblockd12:04:483
2390285993330,2cyclictest1800599-1kworker/3:1H+kblockd09:17:013
2390278993331,1cyclictest2146021-1kworker/1:0H+kblockd10:47:591
2390278993331,1cyclictest2146021-1kworker/1:0H+kblockd07:41:081
2390278993330,2cyclictest2146021-1kworker/1:0H+kblockd09:38:421
2390278993321,11cyclictest2622130-21ntpq11:35:081
2390273993332,1cyclictest2068554-1kworker/0:0H+kblockd12:12:170
2390273993332,1cyclictest2068554-1kworker/0:0H+kblockd11:02:480
2390273993332,1cyclictest2068554-1kworker/0:0H+kblockd08:21:080
2390273993331,1cyclictest2068554-1kworker/0:0H+kblockd12:32:500
2390273993331,1cyclictest2068554-1kworker/0:0H+kblockd11:35:330
2390273993331,1cyclictest2068554-1kworker/0:0H+kblockd10:31:330
2390273993331,1cyclictest2068554-1kworker/0:0H+kblockd08:00:340
2390273993330,2cyclictest2068554-1kworker/0:0H+kblockd11:56:010
2390273993330,2cyclictest1318-21snmpd09:51:020
239027399331,31cyclictest1-21systemd08:25:070
2390285993231,1cyclictest1800599-1kworker/3:1H+kblockd09:30:463
2390285993231,1cyclictest1800599-1kworker/3:1H+kblockd07:20:183
2390285993230,1cyclictest64742-21isc-net-000008:45:213
2390285993230,1cyclictest1318-21snmpd08:55:223
2390285993230,1cyclictest1318-21snmpd07:54:133
2390285993230,1cyclictest1318-21snmpd07:54:133
2390285993227,4cyclictest2608155-21/usr/share/muni11:20:043
2390282993231,1cyclictest2335755-21kworker/2:0+pm07:24:052
2390282993229,2cyclictest2645190-21kworker/2:0+pm12:10:152
2390278993230,1cyclictest2146021-1kworker/1:0H+kblockd12:16:071
2390278993230,1cyclictest2146021-1kworker/1:0H+kblockd07:27:191
2390278993230,1cyclictest1318-21snmpd07:50:561
2390278993230,1cyclictest1318-21snmpd07:50:561
2390278993229,2cyclictest2146021-1kworker/1:0H+kblockd10:35:071
2390273993231,1cyclictest2068554-1kworker/0:0H+kblockd11:08:500
2390273993231,1cyclictest1318-21snmpd08:16:390
2390273993230,1cyclictest2068554-1kworker/0:0H+kblockd10:36:270
2390273993229,2cyclictest2068554-1kworker/0:0H+kblockd10:55:290
2390273993228,3cyclictest1135-21mosquitto12:25:190
2390285993130,1cyclictest1800599-1kworker/3:1H+kblockd09:10:113
2390285993130,0cyclictest64742-21isc-net-000012:08:213
2390285993130,0cyclictest64742-21isc-net-000012:08:213
2390285993129,1cyclictest64742-21isc-net-000008:22:203
2390285993129,1cyclictest1318-21snmpd09:22:103
2390285993129,1cyclictest1318-21snmpd07:25:343
2390285993128,2cyclictest1318-21snmpd12:13:033
2390285993128,1cyclictest1800599-1kworker/3:1H+kblockd10:11:433
2390285993127,3cyclictest2429929-21/usr/share/muni07:55:153
2390285993126,3cyclictest2659685-21cat12:20:013
2390278993130,1cyclictest2146021-1kworker/1:0H+kblockd11:28:061
2390278993130,1cyclictest0-21swapper/110:33:031
2390278993129,1cyclictest2626808-21awk11:40:111
2390278993129,1cyclictest2390174-21kworker/1:3+pm08:07:281
2390278993129,1cyclictest2146021-1kworker/1:0H+kblockd11:50:541
2390278993129,1cyclictest1318-21snmpd12:24:031
2390278993129,1cyclictest1318-21snmpd09:04:271
2390278993119,11cyclictest2478177-21cpu08:50:011
2390273993130,1cyclictest2068554-1kworker/0:0H+kblockd10:12:470
2390273993130,0cyclictest1318-21snmpd10:21:390
2390273993129,1cyclictest2068554-1kworker/0:0H+kblockd12:05:060
2390273993129,1cyclictest2068554-1kworker/0:0H+kblockd12:05:060
2390273993129,1cyclictest2068554-1kworker/0:0H+kblockd11:44:170
2390273993129,1cyclictest2068554-1kworker/0:0H+kblockd11:29:350
2390273993129,1cyclictest1318-21snmpd11:31:080
2390273993128,2cyclictest2068554-1kworker/0:0H+kblockd12:00:530
2390273993127,2cyclictest2068554-1kworker/0:0H+kblockd12:16:020
2390285993029,1cyclictest1800599-1kworker/3:1H+kblockd11:00:293
2390285993028,1cyclictest1318-21snmpd07:43:223
2390278993029,1cyclictest1318-21snmpd12:01:251
2390278993029,1cyclictest0-21swapper/109:15:161
2390278993027,2cyclictest2652051-21awk12:10:061
2390273993028,1cyclictest1318-21snmpd09:46:140
2390273993028,1cyclictest1318-21snmpd09:46:140
2390273993028,1cyclictest1318-21snmpd08:59:220
2390273993028,1cyclictest1318-21snmpd07:32:510
2390273993024,4cyclictest2507237-21ntpq09:20:230
2390285992928,1cyclictest1800599-1kworker/3:1H+kblockd11:10:363
2390285992928,0cyclictest64742-21isc-net-000008:52:213
2390278992928,1cyclictest2533160-21awk09:50:221
2390278992928,1cyclictest2467841-21awk08:35:181
2390278992927,1cyclictest2146021-1kworker/1:0H+kblockd08:15:431
2390278992927,1cyclictest1318-21snmpd07:38:121
2390273992927,1cyclictest2473504-21ThreadPoolForeg08:45:010
2390285992827,0cyclictest2619547-21awk11:30:203
2390278992826,1cyclictest1318-21snmpd09:25:401
2390273992828,0cyclictest1318-21snmpd11:22:180
2390273992827,0cyclictest1318-21snmpd09:25:180
2390273992826,1cyclictest2068554-1kworker/0:0H+kblockd07:44:390
2390278992725,1cyclictest2146021-1kworker/1:0H+kblockd08:04:421
2390285992624,1cyclictest1318-21snmpd11:55:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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