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2026-03-18 - 22:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackdslot3.osadl.org (updated Wed Mar 18, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73112227168,48sleep10-21swapper/107:06:091
72872208174,22sleep20-21swapper/207:05:502
72782199164,23sleep30-21swapper/307:05:433
75142197164,22sleep00-21swapper/007:08:420
297942570,7sleep0790699cyclictest09:00:250
13732560,3sleep11377-21irqrtprio09:10:171
250592530,4sleep325061-21needreboot11:05:203
182872520,1sleep10-21swapper/109:45:191
139391510,1ptp4l401ktimersoftd/311:17:013
139391510,1ptp4l401ktimersoftd/311:17:013
139391480,38ptp4l0-21swapper/307:10:003
122422460,2sleep00-21swapper/010:40:140
7906994437,4cyclictest10058-21cron07:15:000
139391440,0ptp4l401ktimersoftd/311:55:143
139391430,1ptp4l401ktimersoftd/309:28:083
139391420,0ptp4l401ktimersoftd/312:25:333
139391410,1ptp4l401ktimersoftd/308:34:183
139391410,0ptp4l401ktimersoftd/308:13:483
7908994035,3cyclictest33-21ksoftirqd/209:44:592
7908994026,12cyclictest33-21ksoftirqd/209:40:002
139391400,1ptp4l401ktimersoftd/312:04:413
139391400,1ptp4l401ktimersoftd/308:40:503
139391400,0ptp4l401ktimersoftd/307:59:083
7908993935,2cyclictest33-21ksoftirqd/210:25:002
139391390,0ptp4l401ktimersoftd/308:09:333
7909993832,3cyclictest16040-21egrep08:35:113
7908993833,3cyclictest33-21ksoftirqd/212:25:002
7907993824,12cyclictest25-21ksoftirqd/107:25:111
7909993731,4cyclictest41-21ksoftirqd/310:53:413
7909993731,4cyclictest41-21ksoftirqd/310:30:003
7908993733,2cyclictest33-21ksoftirqd/210:20:002
7908993733,2cyclictest33-21ksoftirqd/210:20:002
7907993732,3cyclictest25-21ksoftirqd/111:32:221
790799370,3cyclictest10427-21taskset11:42:511
7906993729,6cyclictest9-21ksoftirqd/009:30:010
7906993720,14cyclictest9-21ksoftirqd/007:50:000
7906993720,14cyclictest9-21ksoftirqd/007:50:000
7909993631,3cyclictest41-21ksoftirqd/311:30:233
7909993630,4cyclictest41-21ksoftirqd/312:22:393
7908993632,3cyclictest33-21ksoftirqd/211:10:002
7908993631,3cyclictest33-21ksoftirqd/212:40:002
7908993631,3cyclictest33-21ksoftirqd/210:50:202
7908993631,3cyclictest33-21ksoftirqd/207:40:122
7908993631,2cyclictest19586-21cron07:34:592
7908993630,4cyclictest33-21ksoftirqd/211:59:272
7908993630,3cyclictest33-21ksoftirqd/211:05:002
7907993631,3cyclictest25-21ksoftirqd/107:49:181
7907993631,3cyclictest25-21ksoftirqd/107:49:181
7907993630,4cyclictest25-21ksoftirqd/110:51:341
7907993630,4cyclictest25-21ksoftirqd/108:36:351
57898360,7rtkit-daemon0-21swapper/011:22:390
7909993530,3cyclictest41-21ksoftirqd/308:00:343
7908993532,2cyclictest33-21ksoftirqd/208:20:002
7908993532,2cyclictest33-21ksoftirqd/208:20:002
7908993531,3cyclictest33-21ksoftirqd/211:35:182
7908993531,2cyclictest33-21ksoftirqd/210:45:182
7908993531,2cyclictest33-21ksoftirqd/210:45:172
7908993531,2cyclictest33-21ksoftirqd/210:09:592
7908993530,3cyclictest33-21ksoftirqd/212:15:192
7908993530,3cyclictest33-21ksoftirqd/211:20:212
7908993530,3cyclictest33-21ksoftirqd/211:00:012
7908993530,3cyclictest33-21ksoftirqd/210:05:172
7908993530,3cyclictest33-21ksoftirqd/209:10:112
7908993530,3cyclictest33-21ksoftirqd/207:38:442
7908993529,4cyclictest33-21ksoftirqd/211:18:462
7908993529,4cyclictest33-21ksoftirqd/211:18:462
7908993529,4cyclictest33-21ksoftirqd/208:57:342
7908993529,4cyclictest33-21ksoftirqd/208:54:052
7908993529,4cyclictest33-21ksoftirqd/207:50:272
7908993528,5cyclictest33-21ksoftirqd/207:12:452
7908993528,4cyclictest33-21ksoftirqd/209:50:122
7907993530,3cyclictest25-21ksoftirqd/111:07:071
7907993529,4cyclictest25-21ksoftirqd/112:21:161
7907993529,4cyclictest25-21ksoftirqd/111:17:461
7907993529,4cyclictest25-21ksoftirqd/111:17:461
7907993529,4cyclictest25-21ksoftirqd/109:57:181
7907993529,4cyclictest25-21ksoftirqd/109:44:191
7907993529,4cyclictest25-21ksoftirqd/108:15:291
7907993529,4cyclictest25-21ksoftirqd/108:15:291
7907993529,4cyclictest25-21ksoftirqd/107:41:151
7906993530,3cyclictest9-21ksoftirqd/012:35:120
7906993528,4cyclictest9-21ksoftirqd/007:21:580
790699351,2cyclictest121rcu_preempt12:03:390
7909993429,3cyclictest41-21ksoftirqd/308:50:333
7909993429,3cyclictest41-21ksoftirqd/307:52:523
7909993428,4cyclictest41-21ksoftirqd/311:11:383
7909993428,4cyclictest41-21ksoftirqd/309:15:333
7909993428,4cyclictest41-21ksoftirqd/308:26:593
7909993427,5cyclictest41-21ksoftirqd/311:51:573
7908993430,3cyclictest33-21ksoftirqd/212:25:172
7908993430,2cyclictest33-21ksoftirqd/210:44:592
7908993429,3cyclictest33-21ksoftirqd/210:40:002
7908993429,3cyclictest33-21ksoftirqd/208:35:212
7908993429,3cyclictest33-21ksoftirqd/208:11:332
7908993428,4cyclictest33-21ksoftirqd/209:48:452
790799344,18cyclictest1317-21runrttasks10:56:301
7907993429,3cyclictest25-21ksoftirqd/107:30:111
7907993428,4cyclictest25-21ksoftirqd/112:38:441
7907993428,4cyclictest25-21ksoftirqd/112:01:221
7907993428,4cyclictest25-21ksoftirqd/109:37:211
7907993428,4cyclictest25-21ksoftirqd/109:31:151
7907993428,4cyclictest25-21ksoftirqd/109:01:511
7907993428,4cyclictest25-21ksoftirqd/108:59:341
7907993428,4cyclictest25-21ksoftirqd/108:20:311
7907993428,4cyclictest25-21ksoftirqd/107:23:221
7906993429,3cyclictest9-21ksoftirqd/010:35:110
7906993429,3cyclictest15350-21sh11:55:010
7906993428,4cyclictest9-21ksoftirqd/008:06:060
7906993413,3cyclictest4836-21sed08:10:180
2098923429,2sleep341-21ksoftirqd/307:35:223
139391340,1ptp4l401ktimersoftd/308:49:413
7909993327,4cyclictest41-21ksoftirqd/312:31:283
7909993327,4cyclictest41-21ksoftirqd/309:02:173
7908993330,2cyclictest33-21ksoftirqd/207:56:442
7908993329,2cyclictest33-21ksoftirqd/210:00:012
7908993329,2cyclictest33-21ksoftirqd/209:25:182
7908993328,3cyclictest33-21ksoftirqd/208:30:332
7908993327,4cyclictest33-21ksoftirqd/211:12:582
7908993327,4cyclictest33-21ksoftirqd/210:25:442
7908993327,4cyclictest33-21ksoftirqd/209:19:092
7908993327,4cyclictest33-21ksoftirqd/208:45:112
7908993327,4cyclictest33-21ksoftirqd/208:42:062
7908993327,4cyclictest33-21ksoftirqd/208:01:222
7908993324,8cyclictest33-21ksoftirqd/209:05:232
7907993327,4cyclictest25-21ksoftirqd/111:55:361
7907993327,4cyclictest25-21ksoftirqd/111:51:471
7907993327,4cyclictest25-21ksoftirqd/111:25:441
7907993327,4cyclictest25-21ksoftirqd/111:10:401
7907993327,4cyclictest25-21ksoftirqd/110:42:361
7907993327,4cyclictest25-21ksoftirqd/110:32:401
7907993327,4cyclictest25-21ksoftirqd/110:16:321
7907993327,4cyclictest25-21ksoftirqd/110:16:321
7907993327,4cyclictest25-21ksoftirqd/110:04:131
7907993327,4cyclictest25-21ksoftirqd/108:44:181
7907993327,4cyclictest25-21ksoftirqd/107:57:481
7907993313,17cyclictest9723-21ls10:35:121
790799330,3cyclictest21987-21/usr/sbin/munin11:00:171
7906993328,3cyclictest9-21ksoftirqd/008:56:280
7906993327,4cyclictest9-21ksoftirqd/010:07:370
7906993327,4cyclictest9-21ksoftirqd/008:39:270
7906993327,4cyclictest9-21ksoftirqd/008:34:500
7906993327,4cyclictest9-21ksoftirqd/008:22:020
7906993327,4cyclictest9-21ksoftirqd/007:17:370
7906993327,4cyclictest9-21ksoftirqd/007:17:370
139391330,0ptp4l401ktimersoftd/310:42:523
139391330,0ptp4l401ktimersoftd/308:58:443
139391330,0ptp4l401ktimersoftd/308:16:073
139391330,0ptp4l401ktimersoftd/308:16:073
7909993227,3cyclictest41-21ksoftirqd/309:50:593
7909993226,4cyclictest41-21ksoftirqd/312:15:533
7909993226,4cyclictest41-21ksoftirqd/311:22:253
7909993226,4cyclictest41-21ksoftirqd/310:24:083
7909993226,4cyclictest41-21ksoftirqd/307:24:083
7909993226,4cyclictest41-21ksoftirqd/307:17:513
7909993226,4cyclictest41-21ksoftirqd/307:17:513
7908993229,2cyclictest33-21ksoftirqd/212:12:322
7908993229,2cyclictest33-21ksoftirqd/211:42:262
7908993228,3cyclictest33-21ksoftirqd/210:30:172
7908993228,3cyclictest33-21ksoftirqd/209:35:012
7908993228,2cyclictest33-21ksoftirqd/212:30:242
7908993228,2cyclictest33-21ksoftirqd/211:47:272
7908993226,4cyclictest33-21ksoftirqd/212:05:492
7908993226,4cyclictest33-21ksoftirqd/209:02:162
7908993226,4cyclictest33-21ksoftirqd/207:46:552
7908993226,4cyclictest33-21ksoftirqd/207:46:542
7908993226,4cyclictest33-21ksoftirqd/207:16:062
7908993226,4cyclictest33-21ksoftirqd/207:16:062
7907993227,3cyclictest25-21ksoftirqd/111:47:511
7907993227,3cyclictest25-21ksoftirqd/109:09:281
7907993226,4cyclictest25-21ksoftirqd/108:32:221
7907993226,4cyclictest25-21ksoftirqd/108:10:111
7907993226,4cyclictest25-21ksoftirqd/107:35:391
7907993226,4cyclictest25-21ksoftirqd/107:12:591
7906993227,3cyclictest9-21ksoftirqd/010:01:390
7906993227,3cyclictest9-21ksoftirqd/009:30:210
7906993226,4cyclictest9-21ksoftirqd/010:48:240
7906993226,4cyclictest9-21ksoftirqd/010:48:230
7906993226,4cyclictest9-21ksoftirqd/009:12:210
7906993226,4cyclictest9-21ksoftirqd/007:38:130
7906993225,5cyclictest9-21ksoftirqd/012:30:000
7906993214,3cyclictest3310-21df_inode09:15:140
139391320,9ptp4l401ktimersoftd/312:06:073
139391320,0ptp4l401ktimersoftd/312:36:473
139391320,0ptp4l401ktimersoftd/312:12:433
139391320,0ptp4l401ktimersoftd/309:20:023
7909993126,3cyclictest41-21ksoftirqd/310:00:113
7909993125,4cyclictest41-21ksoftirqd/310:10:573
7908993127,3cyclictest33-21ksoftirqd/211:30:122
7908993126,3cyclictest33-21ksoftirqd/207:20:192
7908993125,4cyclictest33-21ksoftirqd/211:50:172
7908993125,4cyclictest33-21ksoftirqd/207:27:482
7908993119,9cyclictest33-21ksoftirqd/212:00:272
7907993125,4cyclictest25-21ksoftirqd/110:10:351
7907993125,4cyclictest25-21ksoftirqd/108:26:531
7907993125,4cyclictest25-21ksoftirqd/107:18:051
7907993125,4cyclictest25-21ksoftirqd/107:18:051
7907993115,14cyclictest5654-21irqstats10:25:181
790799310,3cyclictest5827-21hddtemp_smartct09:20:171
7906993126,3cyclictest9-21ksoftirqd/012:23:550
7906993125,4cyclictest9-21ksoftirqd/011:56:520
7906993125,4cyclictest9-21ksoftirqd/011:40:270
7906993125,4cyclictest9-21ksoftirqd/011:33:530
7906993125,4cyclictest9-21ksoftirqd/011:27:310
7906993125,4cyclictest9-21ksoftirqd/010:15:310
7906993125,4cyclictest9-21ksoftirqd/010:15:300
139391310,0ptp4l401ktimersoftd/311:01:503
139391310,0ptp4l401ktimersoftd/310:08:493
139391310,0ptp4l401ktimersoftd/309:36:293
139391310,0ptp4l401ktimersoftd/307:44:473
7909993025,3cyclictest41-21ksoftirqd/309:10:223
7909993024,4cyclictest41-21ksoftirqd/310:16:583
7909993024,4cyclictest41-21ksoftirqd/310:16:583
7909993024,4cyclictest41-21ksoftirqd/308:22:253
7909993024,4cyclictest41-21ksoftirqd/307:48:563
7909993024,4cyclictest41-21ksoftirqd/307:48:563
7908993026,3cyclictest33-21ksoftirqd/208:20:162
7908993025,3cyclictest33-21ksoftirqd/208:25:112
7908993024,4cyclictest33-21ksoftirqd/210:01:052
7908993024,4cyclictest33-21ksoftirqd/209:21:292
790799307,21cyclictest26859-21unixbench_singl12:15:281
790799306,21cyclictest21517-21hwlatdetect08:45:171
7907993025,3cyclictest25-21ksoftirqd/110:25:001
7907993025,3cyclictest25-21ksoftirqd/109:27:131
7907993025,3cyclictest25-21ksoftirqd/109:18:511
7907993025,3cyclictest25-21ksoftirqd/108:07:551
7907993024,4cyclictest25-21ksoftirqd/112:30:341
7907993024,4cyclictest25-21ksoftirqd/112:12:501
7907993024,4cyclictest25-21ksoftirqd/111:20:591
7907993024,4cyclictest25-21ksoftirqd/109:50:291
790799300,3cyclictest31108-21phc2sys-jitter12:25:211
790699302,9cyclictest21355-21taskset11:00:120
7906993025,3cyclictest9-21ksoftirqd/010:26:140
7906993025,3cyclictest9-21ksoftirqd/008:16:080
7906993025,3cyclictest9-21ksoftirqd/008:16:080
7906993024,4cyclictest9-21ksoftirqd/010:13:060
7906993024,4cyclictest9-21ksoftirqd/009:49:390
7906993024,4cyclictest9-21ksoftirqd/007:30:030
139391300,0ptp4l401ktimersoftd/310:47:283
139391300,0ptp4l401ktimersoftd/310:47:283
7909992924,3cyclictest41-21ksoftirqd/311:29:393
7908992923,4cyclictest33-21ksoftirqd/208:05:312
7907992924,3cyclictest25-21ksoftirqd/110:05:101
7906992924,3cyclictest9-21ksoftirqd/010:51:250
7906992923,4cyclictest9-21ksoftirqd/011:47:130
7906992923,4cyclictest9-21ksoftirqd/011:14:000
7906992923,4cyclictest9-21ksoftirqd/011:07:220
7906992923,4cyclictest9-21ksoftirqd/009:58:020
7906992923,4cyclictest9-21ksoftirqd/007:26:380
7906992912,3cyclictest1317-21runrttasks10:23:110
7909992823,3cyclictest41-21ksoftirqd/310:55:303
7909992823,3cyclictest41-21ksoftirqd/309:43:573
7909992823,3cyclictest41-21ksoftirqd/307:32:043
7909992822,4cyclictest41-21ksoftirqd/310:37:123
7908992818,9cyclictest33-21ksoftirqd/211:25:182
7907992822,4cyclictest25-21ksoftirqd/111:37:521
7907992822,4cyclictest25-21ksoftirqd/108:03:061
7907992822,4cyclictest25-21ksoftirqd/107:51:261
790799280,4cyclictest20991-21iostat12:05:171
7906992823,3cyclictest9-21ksoftirqd/011:39:060
7906992823,3cyclictest9-21ksoftirqd/009:40:280
7906992822,4cyclictest9-21ksoftirqd/008:54:200
7906992822,4cyclictest9-21ksoftirqd/007:43:390
7909992722,3cyclictest41-21ksoftirqd/310:30:073
7909992722,3cyclictest41-21ksoftirqd/309:47:323
7907992722,3cyclictest25-21ksoftirqd/108:52:031
7906992722,3cyclictest9-21ksoftirqd/008:01:100
7906992721,4cyclictest9-21ksoftirqd/012:05:510
7906992721,4cyclictest9-21ksoftirqd/009:23:040
7909992620,4cyclictest41-21ksoftirqd/311:49:123
7909992620,4cyclictest41-21ksoftirqd/307:28:303
790799267,16cyclictest14550-21df_abs10:45:131
790799267,16cyclictest14550-21df_abs10:45:131
7906992620,4cyclictest9-21ksoftirqd/009:08:360
139391260,1ptp4l401ktimersoftd/309:55:103
139391260,0ptp4l401ktimersoftd/311:40:213
139391260,0ptp4l401ktimersoftd/311:38:313
139391260,0ptp4l401ktimersoftd/309:31:363
7909992520,3cyclictest41-21ksoftirqd/309:06:103
7906992520,3cyclictest9-21ksoftirqd/012:15:280
7906992520,3cyclictest9-21ksoftirqd/012:11:490
7906992519,4cyclictest9-21ksoftirqd/012:31:140
7906992519,4cyclictest9-21ksoftirqd/011:17:520
7906992519,4cyclictest9-21ksoftirqd/011:17:520
7906992519,4cyclictest9-21ksoftirqd/010:55:180
7906992519,4cyclictest9-21ksoftirqd/009:53:170
7906992420,3cyclictest9-21ksoftirqd/008:44:550
7906992419,3cyclictest9-21ksoftirqd/008:46:410
7906992216,4cyclictest9-21ksoftirqd/010:32:000
7906992116,3cyclictest9-21ksoftirqd/007:57:550
7906992115,4cyclictest9-21ksoftirqd/009:38:200
7906992015,3cyclictest27516-21hddtemp_smartct07:50:170
57898180,4rtkit-daemon12312-21ls08:25:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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