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2025-11-22 - 15:01
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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 rackdslot4.osadl.org (updated Sat Nov 22, 2025 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1437822500,3sleep20-21swapper/219:05:262
1437822500,3sleep20-21swapper/219:05:262
427791205170,23phc2sys0-21swapper/319:05:093
427791205170,23phc2sys0-21swapper/319:05:093
145802202168,22sleep00-21swapper/019:07:260
145802202168,22sleep00-21swapper/019:07:260
144992201167,22sleep10-21swapper/119:06:221
144992201167,22sleep10-21swapper/119:06:221
2951121760,5sleep01506999cyclictest21:45:200
4277919863,26phc2sys0-21swapper/319:10:013
15072997328,4cyclictest41-21ksoftirqd/323:20:173
15072996634,4cyclictest41-21ksoftirqd/323:05:003
15072996633,4cyclictest41-21ksoftirqd/322:35:163
206162650,5sleep220619-21unixbench_singl22:30:272
15072996331,4cyclictest41-21ksoftirqd/322:30:143
15072996329,7cyclictest41-21ksoftirqd/300:15:003
125092620,3sleep00-21swapper/022:15:210
125092620,3sleep00-21swapper/022:15:210
15072996133,7cyclictest41-21ksoftirqd/323:45:143
15072996133,7cyclictest41-21ksoftirqd/323:45:133
15072996133,7cyclictest41-21ksoftirqd/300:20:003
15072996133,7cyclictest41-21ksoftirqd/300:20:003
15072996127,7cyclictest41-21ksoftirqd/300:30:003
15072995930,4cyclictest41-21ksoftirqd/321:45:113
15072995928,4cyclictest41-21ksoftirqd/323:40:003
15072995827,8cyclictest41-21ksoftirqd/300:35:153
15072995827,5cyclictest41-21ksoftirqd/320:25:123
15072995827,4cyclictest41-21ksoftirqd/300:05:273
15072995817,7cyclictest41-21ksoftirqd/300:20:233
15072995728,7cyclictest41-21ksoftirqd/319:55:183
15072995727,7cyclictest41-21ksoftirqd/319:30:013
15072995727,4cyclictest41-21ksoftirqd/320:10:113
15072995725,3cyclictest41-21ksoftirqd/321:30:013
15072995724,13cyclictest41-21ksoftirqd/320:55:253
15072995722,7cyclictest41-21ksoftirqd/323:45:013
15072995630,7cyclictest41-21ksoftirqd/319:30:173
15072995628,4cyclictest41-21ksoftirqd/319:20:013
15072995622,4cyclictest41-21ksoftirqd/320:25:013
15072995619,4cyclictest41-21ksoftirqd/322:55:253
15072995619,4cyclictest41-21ksoftirqd/321:19:593
15072995527,4cyclictest41-21ksoftirqd/321:00:173
15072995526,7cyclictest41-21ksoftirqd/300:30:153
15072995525,4cyclictest41-21ksoftirqd/321:50:233
15072995521,4cyclictest41-21ksoftirqd/320:00:283
15072995519,4cyclictest41-21ksoftirqd/323:15:173
15072995519,4cyclictest41-21ksoftirqd/323:15:173
15072995513,8cyclictest41-21ksoftirqd/319:35:233
15072995427,6cyclictest41-21ksoftirqd/322:50:263
15072995426,6cyclictest41-21ksoftirqd/321:05:123
15072995426,6cyclictest41-21ksoftirqd/320:35:213
15072995425,7cyclictest41-21ksoftirqd/321:55:223
15072995424,7cyclictest41-21ksoftirqd/323:05:013
15072995422,7cyclictest41-21ksoftirqd/320:05:263
15072995419,4cyclictest41-21ksoftirqd/321:40:243
15072995419,3cyclictest41-21ksoftirqd/319:40:263
15072995327,7cyclictest41-21ksoftirqd/319:20:253
15072995323,4cyclictest41-21ksoftirqd/321:34:463
15072995323,3cyclictest41-21ksoftirqd/319:49:473
15072995223,8cyclictest41-21ksoftirqd/323:30:013
15072995220,7cyclictest41-21ksoftirqd/320:50:123
15072995220,4cyclictest41-21ksoftirqd/322:20:013
15072995220,4cyclictest41-21ksoftirqd/322:20:003
15072995215,9cyclictest41-21ksoftirqd/320:15:163
15072995124,6cyclictest41-21ksoftirqd/320:40:143
15072995123,3cyclictest41-21ksoftirqd/322:41:373
1507299502,8cyclictest41-21ksoftirqd/323:55:113
15072995026,7cyclictest41-21ksoftirqd/323:15:013
15072995020,4cyclictest41-21ksoftirqd/321:25:013
15072995015,7cyclictest41-21ksoftirqd/323:50:223
15072994921,7cyclictest41-21ksoftirqd/322:25:163
15072994920,6cyclictest41-21ksoftirqd/322:45:173
15072994920,6cyclictest41-21ksoftirqd/322:45:163
15072994916,4cyclictest41-21ksoftirqd/300:02:343
15072994826,6cyclictest41-21ksoftirqd/321:14:323
15072994818,3cyclictest41-21ksoftirqd/320:45:233
1507299481,3cyclictest25700-21perf21:40:003
15072994742,3cyclictest41-21ksoftirqd/322:25:013
15072994735,3cyclictest41-21ksoftirqd/320:35:013
1507299460,3cyclictest41-21ksoftirqd/319:50:233
1507299459,8cyclictest41-21ksoftirqd/323:30:263
1507299443,2cyclictest121rcu_preempt22:05:003
15070994439,3cyclictest25-21ksoftirqd/122:20:011
15070994439,3cyclictest25-21ksoftirqd/122:20:001
15069994437,4cyclictest227-21systemd-journal22:45:000
15072994238,2cyclictest41-21ksoftirqd/322:10:123
1507199420,40cyclictest0-21swapper/222:15:482
1507199420,40cyclictest0-21swapper/222:15:482
1507299413,2cyclictest41-21ksoftirqd/322:05:273
15069994134,4cyclictest9-21ksoftirqd/021:11:060
15070994034,3cyclictest25-21ksoftirqd/121:03:511
15070994033,4cyclictest25-21ksoftirqd/121:41:441
15071993933,4cyclictest33-21ksoftirqd/200:36:222
15070993925,4cyclictest25-21ksoftirqd/100:05:501
36998380,6rtkit-daemon0-21swapper/223:09:582
1507199385,31cyclictest0-21swapper/220:35:282
15071993832,4cyclictest33-21ksoftirqd/223:54:482
15071993832,4cyclictest33-21ksoftirqd/222:39:462
15071993832,4cyclictest33-21ksoftirqd/220:49:252
15070993832,4cyclictest25-21ksoftirqd/122:07:151
15070993831,4cyclictest25-21ksoftirqd/100:18:171
15070993831,4cyclictest25-21ksoftirqd/100:18:171
15069993832,3cyclictest9-21ksoftirqd/019:14:330
15071993732,3cyclictest33-21ksoftirqd/222:01:292
15071993731,4cyclictest33-21ksoftirqd/223:41:232
15071993731,4cyclictest33-21ksoftirqd/220:17:242
15071993731,4cyclictest33-21ksoftirqd/219:56:212
15071993731,4cyclictest33-21ksoftirqd/219:38:082
15071993731,4cyclictest19790-21cron19:20:002
15070993732,3cyclictest25-21ksoftirqd/121:13:331
15070993731,4cyclictest25-21ksoftirqd/123:23:301
15070993731,4cyclictest25-21ksoftirqd/123:00:231
15070993731,4cyclictest25-21ksoftirqd/120:03:231
15070993731,4cyclictest25-21ksoftirqd/100:24:191
15070993731,3cyclictest25-21ksoftirqd/119:38:271
15070993730,4cyclictest25-21ksoftirqd/121:37:471
1507099370,2cyclictest0-21swapper/120:36:271
15069993731,4cyclictest9-21ksoftirqd/021:29:230
15069993731,4cyclictest9-21ksoftirqd/020:55:330
15069993731,4cyclictest9-21ksoftirqd/000:06:450
15069993731,3cyclictest9-21ksoftirqd/020:06:070
15069993730,4cyclictest9-21ksoftirqd/023:05:030
15069993730,4cyclictest9-21ksoftirqd/000:34:130
1507199368,23cyclictest227-21systemd-journal20:20:042
15071993632,3cyclictest33-21ksoftirqd/221:24:142
15071993631,3cyclictest33-21ksoftirqd/223:13:512
15071993630,4cyclictest33-21ksoftirqd/223:58:572
15071993630,4cyclictest33-21ksoftirqd/222:11:302
15071993630,4cyclictest33-21ksoftirqd/222:06:362
15071993630,4cyclictest33-21ksoftirqd/221:59:492
15071993630,4cyclictest33-21ksoftirqd/220:26:032
15071993630,4cyclictest33-21ksoftirqd/200:34:072
15071993629,4cyclictest33-21ksoftirqd/223:30:042
15071993629,4cyclictest33-21ksoftirqd/222:57:062
15070993631,3cyclictest25-21ksoftirqd/120:31:551
15070993630,4cyclictest25-21ksoftirqd/123:42:361
15070993630,4cyclictest25-21ksoftirqd/122:42:411
15070993630,4cyclictest25-21ksoftirqd/121:06:211
15070993630,4cyclictest25-21ksoftirqd/120:48:471
15070993630,4cyclictest25-21ksoftirqd/120:10:021
15069993630,4cyclictest9-21ksoftirqd/021:31:390
15069993630,4cyclictest9-21ksoftirqd/021:21:450
15069993630,4cyclictest9-21ksoftirqd/021:15:470
15069993630,4cyclictest9-21ksoftirqd/000:00:190
15069993630,3cyclictest9-21ksoftirqd/023:24:240
15069993630,3cyclictest9-21ksoftirqd/022:46:300
15069993630,3cyclictest9-21ksoftirqd/022:46:300
15069993630,3cyclictest9-21ksoftirqd/020:47:150
15069993629,4cyclictest9-21ksoftirqd/022:53:360
15069993629,4cyclictest9-21ksoftirqd/021:04:030
15069993629,4cyclictest9-21ksoftirqd/019:56:550
15071993530,3cyclictest33-21ksoftirqd/223:36:442
15071993529,4cyclictest33-21ksoftirqd/221:41:412
15071993529,4cyclictest33-21ksoftirqd/221:25:402
15071993529,4cyclictest33-21ksoftirqd/219:27:052
15071993529,4cyclictest33-21ksoftirqd/219:24:482
15070993531,2cyclictest25-21ksoftirqd/120:51:151
15070993530,3cyclictest25-21ksoftirqd/119:40:331
15070993529,4cyclictest25-21ksoftirqd/120:22:321
15070993529,4cyclictest25-21ksoftirqd/120:08:561
15070993529,4cyclictest25-21ksoftirqd/119:21:421
15070993529,4cyclictest25-21ksoftirqd/119:14:281
15070993529,4cyclictest25-21ksoftirqd/100:28:401
15070993529,3cyclictest25-21ksoftirqd/100:12:451
15070993528,4cyclictest25-21ksoftirqd/121:22:491
15070993514,19cyclictest0-21swapper/121:50:271
15069993529,4cyclictest9-21ksoftirqd/000:26:560
15069993529,3cyclictest9-21ksoftirqd/023:57:390
15069993528,4cyclictest9-21ksoftirqd/023:38:040
15069993528,4cyclictest9-21ksoftirqd/022:14:450
15069993528,4cyclictest9-21ksoftirqd/020:52:200
15069993527,5cyclictest9-21ksoftirqd/023:31:100
15071993428,4cyclictest33-21ksoftirqd/222:51:002
15071993428,4cyclictest33-21ksoftirqd/222:20:472
15071993428,4cyclictest33-21ksoftirqd/221:39:562
15071993428,4cyclictest33-21ksoftirqd/221:19:302
15071993428,4cyclictest33-21ksoftirqd/220:51:462
15071993427,5cyclictest33-21ksoftirqd/219:35:012
15071993427,4cyclictest33-21ksoftirqd/221:11:202
1507199340,32cyclictest5396-21idleruntime-cro21:00:012
15070993429,3cyclictest25-21ksoftirqd/123:13:071
15070993429,3cyclictest18693-21cron23:35:001
15070993428,4cyclictest25-21ksoftirqd/121:28:241
15070993428,4cyclictest25-21ksoftirqd/120:58:231
15070993428,4cyclictest25-21ksoftirqd/119:52:441
15070993428,3cyclictest25-21ksoftirqd/119:35:011
15070993418,14cyclictest0-21swapper/119:29:591
15069993429,3cyclictest9-21ksoftirqd/022:36:270
15069993429,3cyclictest9-21ksoftirqd/000:20:140
15069993429,3cyclictest9-21ksoftirqd/000:18:050
15069993429,3cyclictest9-21ksoftirqd/000:18:040
15069993428,4cyclictest9-21ksoftirqd/023:51:530
15069993428,4cyclictest9-21ksoftirqd/021:06:270
15069993428,3cyclictest9-21ksoftirqd/023:00:120
15069993428,3cyclictest9-21ksoftirqd/022:28:200
15069993428,3cyclictest9-21ksoftirqd/019:22:580
15069993427,4cyclictest9-21ksoftirqd/021:58:030
15069993427,4cyclictest9-21ksoftirqd/020:27:290
15069993427,4cyclictest9-21ksoftirqd/000:37:380
1507199339,22cyclictest32403-21awk19:45:002
15071993328,3cyclictest33-21ksoftirqd/223:48:262
15071993328,3cyclictest33-21ksoftirqd/223:48:252
15071993328,3cyclictest33-21ksoftirqd/219:54:172
15071993327,4cyclictest33-21ksoftirqd/223:22:012
15071993327,4cyclictest33-21ksoftirqd/223:00:592
15071993327,4cyclictest33-21ksoftirqd/220:03:282
15071993325,5cyclictest33-21ksoftirqd/220:30:112
15070993327,4cyclictest25-21ksoftirqd/120:19:191
15070993327,4cyclictest25-21ksoftirqd/100:01:531
15070993326,4cyclictest25-21ksoftirqd/121:56:481
15070993326,4cyclictest25-21ksoftirqd/121:30:131
15069993328,3cyclictest9-21ksoftirqd/020:33:030
15069993328,3cyclictest9-21ksoftirqd/020:21:230
15069993328,3cyclictest9-21ksoftirqd/019:46:070
15069993327,3cyclictest9-21ksoftirqd/023:25:160
15069993327,3cyclictest9-21ksoftirqd/021:35:340
15069993326,4cyclictest9-21ksoftirqd/022:24:430
15069993326,4cyclictest9-21ksoftirqd/020:39:270
15071993227,3cyclictest33-21ksoftirqd/223:19:542
15071993227,3cyclictest33-21ksoftirqd/223:19:542
15071993226,4cyclictest33-21ksoftirqd/221:34:462
15071993226,4cyclictest33-21ksoftirqd/220:06:042
15071993226,4cyclictest33-21ksoftirqd/200:24:132
15070993227,3cyclictest25-21ksoftirqd/121:19:591
15070993227,3cyclictest25-21ksoftirqd/120:27:501
15070993226,4cyclictest25-21ksoftirqd/123:53:301
15070993226,4cyclictest25-21ksoftirqd/123:37:141
15070993226,4cyclictest25-21ksoftirqd/122:50:401
15070993226,4cyclictest25-21ksoftirqd/122:23:441
15070993226,4cyclictest25-21ksoftirqd/100:30:461
15070993225,4cyclictest25-21ksoftirqd/123:56:071
15070993225,4cyclictest25-21ksoftirqd/119:16:411
15069993227,3cyclictest9-21ksoftirqd/023:10:150
15069993227,3cyclictest9-21ksoftirqd/021:41:270
15069993227,3cyclictest9-21ksoftirqd/020:11:240
15069993227,3cyclictest9-21ksoftirqd/019:41:040
15069993227,3cyclictest9-21ksoftirqd/019:29:300
15069993227,3cyclictest9-21ksoftirqd/000:11:460
15069993226,3cyclictest9-21ksoftirqd/023:49:250
15069993226,3cyclictest9-21ksoftirqd/023:49:240
15069993225,5cyclictest9-21ksoftirqd/022:06:580
1507199319,3cyclictest32412-21cut00:00:182
15071993126,3cyclictest33-21ksoftirqd/222:45:122
15071993126,3cyclictest33-21ksoftirqd/222:45:122
15071993125,4cyclictest33-21ksoftirqd/219:14:332
15071993124,4cyclictest33-21ksoftirqd/219:47:462
15070993126,3cyclictest25-21ksoftirqd/122:11:521
15070993126,3cyclictest25-21ksoftirqd/119:55:361
15070993125,4cyclictest25-21ksoftirqd/100:37:121
1507099310,29cyclictest0-21swapper/121:47:061
15069993126,3cyclictest9-21ksoftirqd/022:56:360
15069993126,3cyclictest9-21ksoftirqd/019:34:580
15069993125,4cyclictest9-21ksoftirqd/019:36:100
15069993125,3cyclictest9-21ksoftirqd/023:15:580
15069993125,3cyclictest9-21ksoftirqd/023:15:580
15069993125,3cyclictest9-21ksoftirqd/020:43:180
1507199308,3cyclictest8685-21expr21:05:132
15071993025,3cyclictest33-21ksoftirqd/221:49:472
15071993025,3cyclictest33-21ksoftirqd/200:27:472
15071993024,4cyclictest33-21ksoftirqd/223:28:112
15071993024,4cyclictest33-21ksoftirqd/221:01:002
15071993024,4cyclictest33-21ksoftirqd/220:14:112
15071993011,3cyclictest24559-21sed22:40:202
15070993024,4cyclictest25-21ksoftirqd/123:26:591
15070993024,3cyclictest25-21ksoftirqd/122:25:301
1507099301,26cyclictest1621-21gnome-shell20:40:591
15069993025,3cyclictest9-21ksoftirqd/020:17:380
15069993023,4cyclictest9-21ksoftirqd/021:50:460
1507199297,3cyclictest4548-21cat00:10:132
15071992924,3cyclictest33-21ksoftirqd/200:19:392
15071992924,3cyclictest33-21ksoftirqd/200:19:392
15070992924,3cyclictest25-21ksoftirqd/122:55:581
15070992924,3cyclictest25-21ksoftirqd/122:49:261
15070992924,3cyclictest25-21ksoftirqd/122:49:261
15069992923,4cyclictest9-21ksoftirqd/019:15:080
1507199287,4cyclictest28239-21cut20:40:112
15071992823,3cyclictest33-21ksoftirqd/221:51:162
15071992822,4cyclictest33-21ksoftirqd/200:06:192
15070992822,4cyclictest25-21ksoftirqd/122:31:271
1507099281,24cyclictest10033-21irqstats23:15:191
1507099281,24cyclictest10033-21irqstats23:15:191
15069992823,3cyclictest9-21ksoftirqd/022:01:020
15070992722,3cyclictest25-21ksoftirqd/119:48:021
15070992721,4cyclictest25-21ksoftirqd/122:02:381
15069992722,3cyclictest9-21ksoftirqd/020:00:480
15069992721,4cyclictest9-21ksoftirqd/022:34:340
15070992621,3cyclictest25-21ksoftirqd/123:09:101
15069992620,3cyclictest9-21ksoftirqd/019:50:400
15069992521,2cyclictest9-21ksoftirqd/023:42:540
1507199249,3cyclictest18162-21grep22:25:272
15070992419,3cyclictest25-21ksoftirqd/123:49:351
15070992419,3cyclictest25-21ksoftirqd/123:49:341
15070992115,4cyclictest25-21ksoftirqd/122:38:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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