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2026-07-13 - 05:40
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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 376 highest latencies:
System rackdslot2.osadl.org (updated Mon Jul 13, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591237170,22phc2sys0-21swapper/319:05:503
264542206172,22sleep10-21swapper/119:08:531
262912205172,22sleep20-21swapper/219:06:462
265162204170,22sleep00-21swapper/019:09:420
3235321380,7sleep32683699cyclictest23:50:213
1546621380,5sleep02683399cyclictest22:10:010
135412630,6sleep09-21ksoftirqd/020:55:260
299152590,5sleep22683599cyclictest22:40:122
118572580,3sleep12683499cyclictest22:00:181
139291450,1ptp4l401ktimersoftd/323:19:263
41298420,8rtkit-daemon0-21swapper/221:26:112
26836994236,3cyclictest41-21ksoftirqd/323:40:003
26836994236,3cyclictest41-21ksoftirqd/322:10:003
139291420,0ptp4l401ktimersoftd/323:00:263
139291420,0ptp4l401ktimersoftd/322:00:143
139291420,0ptp4l401ktimersoftd/321:24:433
26836994129,10cyclictest41-21ksoftirqd/322:55:153
26834994136,3cyclictest25-21ksoftirqd/122:00:001
139291410,0ptp4l401ktimersoftd/320:40:063
26836994034,4cyclictest41-21ksoftirqd/320:32:313
26836994028,10cyclictest41-21ksoftirqd/300:30:283
139291400,1ptp4l401ktimersoftd/320:05:023
139291400,0ptp4l401ktimersoftd/300:35:203
26836993933,4cyclictest41-21ksoftirqd/319:28:253
26835993933,3cyclictest3035-21fschecks_count20:35:162
26836993835,2cyclictest41-21ksoftirqd/300:00:003
26836993834,3cyclictest41-21ksoftirqd/320:55:013
26836993833,3cyclictest41-21ksoftirqd/323:47:493
26836993833,3cyclictest41-21ksoftirqd/321:40:143
26836993832,4cyclictest41-21ksoftirqd/323:42:143
26836993832,4cyclictest41-21ksoftirqd/323:22:583
26836993832,4cyclictest41-21ksoftirqd/321:52:093
26836993832,4cyclictest41-21ksoftirqd/320:59:203
26836993832,4cyclictest41-21ksoftirqd/320:16:393
26836993832,4cyclictest41-21ksoftirqd/320:00:003
26833993832,3cyclictest9-21ksoftirqd/023:44:590
41298370,3rtkit-daemon31326-21acpi21:35:123
26836993733,2cyclictest41-21ksoftirqd/321:30:013
26836993732,3cyclictest41-21ksoftirqd/322:41:223
26836993732,3cyclictest41-21ksoftirqd/320:25:013
26836993732,3cyclictest41-21ksoftirqd/320:10:533
26836993732,3cyclictest41-21ksoftirqd/300:15:143
26836993731,4cyclictest41-21ksoftirqd/323:08:083
26836993731,4cyclictest41-21ksoftirqd/319:13:373
26836993731,3cyclictest41-21ksoftirqd/322:10:263
26835993732,3cyclictest33-21ksoftirqd/200:30:002
26835993732,3cyclictest33-21ksoftirqd/200:30:002
26835993731,4cyclictest33-21ksoftirqd/219:45:012
26834993733,2cyclictest25-21ksoftirqd/119:15:001
26834993732,3cyclictest25-21ksoftirqd/122:22:261
26834993730,4cyclictest25-21ksoftirqd/120:12:561
26834993728,6cyclictest25-21ksoftirqd/120:50:001
26833993732,3cyclictest9-21ksoftirqd/021:10:000
26833993731,4cyclictest9-21ksoftirqd/019:18:030
139291370,0ptp4l401ktimersoftd/321:00:093
2683699365,3cyclictest121rcu_preempt20:39:593
26836993631,3cyclictest41-21ksoftirqd/322:35:193
26836993631,3cyclictest41-21ksoftirqd/321:19:593
26836993631,3cyclictest41-21ksoftirqd/320:27:383
26836993631,3cyclictest41-21ksoftirqd/319:15:283
26836993630,4cyclictest41-21ksoftirqd/320:03:353
26836993630,4cyclictest41-21ksoftirqd/319:30:063
26836993630,3cyclictest41-21ksoftirqd/321:11:023
26836993624,10cyclictest41-21ksoftirqd/323:30:263
26835993630,4cyclictest33-21ksoftirqd/223:39:492
26835993630,4cyclictest33-21ksoftirqd/222:56:412
26835993630,4cyclictest33-21ksoftirqd/200:35:452
26835993630,4cyclictest33-21ksoftirqd/200:17:192
26835993630,4cyclictest33-21ksoftirqd/200:04:412
26834993631,3cyclictest25-21ksoftirqd/119:28:151
26834993630,4cyclictest25-21ksoftirqd/121:16:421
26834993630,4cyclictest25-21ksoftirqd/120:03:201
26834993630,4cyclictest25-21ksoftirqd/100:31:401
26834993630,3cyclictest25-21ksoftirqd/123:05:581
26833993630,4cyclictest9-21ksoftirqd/023:57:410
26833993630,4cyclictest9-21ksoftirqd/023:08:250
26833993630,3cyclictest9-21ksoftirqd/023:35:200
26833993630,3cyclictest9-21ksoftirqd/023:25:000
26836993531,2cyclictest41-21ksoftirqd/322:30:163
26836993530,3cyclictest41-21ksoftirqd/323:27:593
26836993530,3cyclictest41-21ksoftirqd/322:15:263
26836993530,3cyclictest41-21ksoftirqd/321:10:003
26836993530,3cyclictest41-21ksoftirqd/319:54:253
26836993530,3cyclictest41-21ksoftirqd/300:20:133
26836993529,4cyclictest41-21ksoftirqd/322:28:543
26836993529,4cyclictest41-21ksoftirqd/320:48:163
26836993529,3cyclictest41-21ksoftirqd/321:30:123
26836993529,3cyclictest41-21ksoftirqd/319:35:143
26836993529,3cyclictest41-21ksoftirqd/319:35:143
26835993531,3cyclictest33-21ksoftirqd/219:55:152
26835993530,3cyclictest33-21ksoftirqd/223:46:442
26835993530,3cyclictest33-21ksoftirqd/220:08:282
26835993529,4cyclictest33-21ksoftirqd/223:40:302
26835993529,4cyclictest33-21ksoftirqd/221:22:492
26834993530,3cyclictest25-21ksoftirqd/123:50:121
26834993530,3cyclictest25-21ksoftirqd/123:49:501
26834993530,3cyclictest25-21ksoftirqd/121:38:491
26834993530,3cyclictest25-21ksoftirqd/121:27:301
26834993530,3cyclictest25-21ksoftirqd/100:18:431
26834993530,2cyclictest25-21ksoftirqd/123:20:011
26834993529,4cyclictest25-21ksoftirqd/123:04:291
26834993529,4cyclictest25-21ksoftirqd/122:48:491
26834993529,4cyclictest25-21ksoftirqd/119:58:071
26834993528,4cyclictest25-21ksoftirqd/123:28:371
26834993528,4cyclictest25-21ksoftirqd/122:34:501
26833993530,3cyclictest9-21ksoftirqd/023:53:030
26833993530,2cyclictest9-21ksoftirqd/020:00:010
26833993529,4cyclictest9-21ksoftirqd/021:02:040
26833993529,4cyclictest9-21ksoftirqd/020:44:360
26833993529,4cyclictest9-21ksoftirqd/020:09:300
26833993529,3cyclictest9-21ksoftirqd/021:15:000
139291350,0ptp4l401ktimersoftd/322:00:003
26836993430,2cyclictest41-21ksoftirqd/321:50:003
26836993429,3cyclictest41-21ksoftirqd/322:50:133
26836993429,3cyclictest41-21ksoftirqd/319:45:253
26836993429,3cyclictest41-21ksoftirqd/300:25:203
26836993429,3cyclictest41-21ksoftirqd/300:25:203
26836993429,3cyclictest41-21ksoftirqd/300:06:003
26835993429,3cyclictest33-21ksoftirqd/222:28:522
26835993429,3cyclictest33-21ksoftirqd/222:02:592
26835993429,3cyclictest33-21ksoftirqd/221:33:262
26835993429,3cyclictest33-21ksoftirqd/221:16:002
26835993429,3cyclictest33-21ksoftirqd/200:34:532
26835993428,4cyclictest33-21ksoftirqd/223:20:592
26835993428,4cyclictest33-21ksoftirqd/222:51:512
26835993428,4cyclictest33-21ksoftirqd/221:47:272
26835993428,4cyclictest33-21ksoftirqd/220:41:502
26835993428,4cyclictest33-21ksoftirqd/219:53:352
26835993428,4cyclictest33-21ksoftirqd/219:48:592
26835993428,4cyclictest33-21ksoftirqd/219:35:452
26835993428,4cyclictest33-21ksoftirqd/219:35:452
26835993428,4cyclictest33-21ksoftirqd/219:25:362
26835993428,3cyclictest33-21ksoftirqd/223:01:152
26834993429,3cyclictest25-21ksoftirqd/122:44:191
26834993429,3cyclictest25-21ksoftirqd/121:51:371
26834993429,3cyclictest25-21ksoftirqd/121:02:391
26834993429,3cyclictest25-21ksoftirqd/120:41:521
26834993429,3cyclictest25-21ksoftirqd/119:48:321
26834993429,3cyclictest25-21ksoftirqd/119:32:521
26834993429,3cyclictest25-21ksoftirqd/119:15:191
26834993428,4cyclictest25-21ksoftirqd/123:39:231
26834993428,4cyclictest25-21ksoftirqd/123:24:281
26834993428,4cyclictest25-21ksoftirqd/122:56:151
26834993428,4cyclictest25-21ksoftirqd/122:08:131
26834993428,4cyclictest25-21ksoftirqd/100:08:121
26834993427,4cyclictest25-21ksoftirqd/121:21:591
26833993430,2cyclictest9-21ksoftirqd/023:50:010
26833993429,3cyclictest9-21ksoftirqd/023:32:220
26833993429,3cyclictest9-21ksoftirqd/020:45:170
26833993429,3cyclictest9-21ksoftirqd/019:50:120
26833993429,3cyclictest9-21ksoftirqd/019:50:010
26833993428,4cyclictest9-21ksoftirqd/021:40:560
26833993428,4cyclictest9-21ksoftirqd/021:39:190
26833993428,4cyclictest9-21ksoftirqd/021:33:050
26833993428,4cyclictest9-21ksoftirqd/019:36:560
26833993428,4cyclictest9-21ksoftirqd/019:36:560
26833993428,4cyclictest9-21ksoftirqd/000:36:190
26833993428,4cyclictest9-21ksoftirqd/000:31:460
26833993427,4cyclictest9-21ksoftirqd/023:16:440
26833993427,4cyclictest9-21ksoftirqd/021:27:010
26836993328,3cyclictest41-21ksoftirqd/323:10:163
26836993328,3cyclictest41-21ksoftirqd/319:40:203
26836993328,3cyclictest41-21ksoftirqd/300:10:203
26836993328,3cyclictest41-21ksoftirqd/300:04:023
26835993328,3cyclictest33-21ksoftirqd/223:27:182
26835993328,3cyclictest33-21ksoftirqd/222:47:342
26835993328,3cyclictest33-21ksoftirqd/221:56:592
26835993328,3cyclictest33-21ksoftirqd/221:41:072
26835993327,4cyclictest33-21ksoftirqd/223:16:582
26835993327,4cyclictest33-21ksoftirqd/221:50:042
26835993327,4cyclictest33-21ksoftirqd/220:47:232
26835993327,4cyclictest33-21ksoftirqd/200:23:372
26834993328,3cyclictest25-21ksoftirqd/123:34:131
26834993328,3cyclictest25-21ksoftirqd/119:53:131
26834993328,3cyclictest25-21ksoftirqd/119:40:201
26834993327,4cyclictest25-21ksoftirqd/122:19:161
26834993327,4cyclictest25-21ksoftirqd/121:43:431
26834993327,4cyclictest25-21ksoftirqd/120:25:441
26834993327,4cyclictest25-21ksoftirqd/120:23:151
26834993327,3cyclictest25-21ksoftirqd/100:00:001
26833993328,3cyclictest9-21ksoftirqd/023:02:310
26833993328,3cyclictest9-21ksoftirqd/022:52:520
26833993328,3cyclictest9-21ksoftirqd/022:20:350
26833993328,3cyclictest9-21ksoftirqd/020:36:270
26833993328,3cyclictest9-21ksoftirqd/020:20:400
26833993327,4cyclictest9-21ksoftirqd/023:27:270
26833993327,4cyclictest9-21ksoftirqd/022:30:020
26833993327,4cyclictest9-21ksoftirqd/021:51:070
26833993327,4cyclictest9-21ksoftirqd/021:18:500
26833993327,4cyclictest9-21ksoftirqd/020:53:140
26833993327,4cyclictest9-21ksoftirqd/020:14:020
26833993327,4cyclictest9-21ksoftirqd/000:18:460
26833993327,4cyclictest9-21ksoftirqd/000:12:290
26836993220,9cyclictest41-21ksoftirqd/322:20:293
26835993227,3cyclictest33-21ksoftirqd/223:59:112
26835993227,3cyclictest33-21ksoftirqd/220:11:502
26835993226,4cyclictest33-21ksoftirqd/222:12:482
26835993226,4cyclictest33-21ksoftirqd/220:22:112
26835993226,4cyclictest33-21ksoftirqd/219:12:152
26835993225,4cyclictest33-21ksoftirqd/223:06:072
26834993228,2cyclictest25-21ksoftirqd/100:25:201
26834993228,2cyclictest25-21ksoftirqd/100:25:191
26834993227,3cyclictest25-21ksoftirqd/123:43:081
26834993227,3cyclictest25-21ksoftirqd/122:25:181
26834993227,3cyclictest25-21ksoftirqd/119:39:141
26834993227,3cyclictest25-21ksoftirqd/119:39:141
26834993227,3cyclictest25-21ksoftirqd/100:20:191
26834993226,4cyclictest25-21ksoftirqd/120:54:361
26833993226,4cyclictest9-21ksoftirqd/022:47:120
26833993226,4cyclictest9-21ksoftirqd/022:11:140
26833993226,4cyclictest9-21ksoftirqd/020:29:350
26833993226,4cyclictest9-21ksoftirqd/020:15:510
26833993226,4cyclictest9-21ksoftirqd/019:21:160
26833993226,3cyclictest9-21ksoftirqd/022:55:200
26836993125,3cyclictest41-21ksoftirqd/319:25:003
26835993126,3cyclictest33-21ksoftirqd/220:54:492
26835993126,3cyclictest33-21ksoftirqd/219:21:012
26835993126,3cyclictest33-21ksoftirqd/200:12:042
26835993126,3cyclictest33-21ksoftirqd/200:08:542
26835993125,4cyclictest33-21ksoftirqd/221:13:112
26834993128,2cyclictest25-21ksoftirqd/120:55:211
26834993126,3cyclictest25-21ksoftirqd/120:09:591
26834993126,3cyclictest25-21ksoftirqd/119:20:141
26834993125,4cyclictest25-21ksoftirqd/122:52:101
26834993125,4cyclictest25-21ksoftirqd/121:14:531
26834993125,4cyclictest25-21ksoftirqd/120:32:291
26834993125,3cyclictest25-21ksoftirqd/100:10:201
26834993125,3cyclictest25-21ksoftirqd/100:00:221
26833993127,2cyclictest9-21ksoftirqd/022:00:190
26833993126,3cyclictest9-21ksoftirqd/023:15:000
26833993126,3cyclictest9-21ksoftirqd/022:38:210
26833993125,4cyclictest9-21ksoftirqd/019:13:380
26833993125,4cyclictest9-21ksoftirqd/000:29:010
26833993125,4cyclictest9-21ksoftirqd/000:29:010
26833993125,4cyclictest9-21ksoftirqd/000:25:000
26833993125,3cyclictest9-21ksoftirqd/022:15:500
26833993125,3cyclictest9-21ksoftirqd/000:05:200
139291310,0ptp4l401ktimersoftd/322:49:193
26835993025,3cyclictest33-21ksoftirqd/219:32:082
26835993024,4cyclictest33-21ksoftirqd/223:10:172
26834993026,3cyclictest25-21ksoftirqd/100:35:191
26834993025,3cyclictest25-21ksoftirqd/122:10:201
26834993025,3cyclictest25-21ksoftirqd/121:06:281
26833993025,3cyclictest9-21ksoftirqd/021:55:090
26833993025,3cyclictest9-21ksoftirqd/021:45:410
26833993025,3cyclictest9-21ksoftirqd/019:41:260
26833993024,4cyclictest9-21ksoftirqd/020:04:000
26835992924,3cyclictest33-21ksoftirqd/222:35:062
26835992924,3cyclictest33-21ksoftirqd/222:07:372
26835992924,3cyclictest33-21ksoftirqd/221:04:412
26835992924,3cyclictest33-21ksoftirqd/220:28:592
26835992924,3cyclictest33-21ksoftirqd/220:15:132
26835992924,3cyclictest33-21ksoftirqd/220:03:022
26834992924,3cyclictest25-21ksoftirqd/123:10:151
2683499292,3cyclictest121rcu_preempt21:45:151
26834992923,4cyclictest25-21ksoftirqd/121:33:321
26833992925,2cyclictest9-21ksoftirqd/021:20:200
26833992924,3cyclictest9-21ksoftirqd/019:25:350
26835992823,3cyclictest33-21ksoftirqd/222:21:262
26835992823,3cyclictest33-21ksoftirqd/222:18:462
26835992823,3cyclictest33-21ksoftirqd/221:39:152
26835992823,3cyclictest33-21ksoftirqd/220:57:012
26835992822,4cyclictest33-21ksoftirqd/223:51:372
26835992821,5cyclictest33-21ksoftirqd/220:31:182
26833992823,3cyclictest9-21ksoftirqd/000:01:500
26833992822,4cyclictest9-21ksoftirqd/019:31:100
26835992722,3cyclictest33-21ksoftirqd/222:30:352
26835992721,4cyclictest33-21ksoftirqd/223:31:222
26834992722,3cyclictest25-21ksoftirqd/122:35:201
26833992722,3cyclictest9-21ksoftirqd/020:31:160
26835992621,3cyclictest33-21ksoftirqd/221:06:472
26834992622,3cyclictest25-21ksoftirqd/120:18:081
26833992621,3cyclictest9-21ksoftirqd/022:44:560
26833992621,3cyclictest9-21ksoftirqd/022:27:100
26835992419,3cyclictest33-21ksoftirqd/219:15:202
26834992318,3cyclictest25-21ksoftirqd/120:35:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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