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2026-05-08 - 06:22
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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 Fri May 08, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591207172,24phc2sys0-21swapper/319:09:073
319572201167,23sleep10-21swapper/119:05:071
14842201167,22sleep20-21swapper/219:06:212
17122200166,22sleep00-21swapper/019:09:080
949921440,6sleep0222799cyclictest21:30:290
138491610,1ptp4l401ktimersoftd/320:44:013
138491580,1ptp4l401ktimersoftd/321:55:153
310672550,1sleep00-21swapper/022:15:220
160792540,3sleep30-21swapper/323:55:253
250952500,5sleep09-21ksoftirqd/022:05:110
32362470,3sleep1241ktimersoftd/121:20:181
2231994640,3cyclictest4551-21latency_hist23:35:003
177824435,4sleep00-21swapper/019:10:010
138491430,0ptp4l401ktimersoftd/320:10:053
2228994235,4cyclictest14436-21ls23:55:001
2231994136,3cyclictest41-21ksoftirqd/323:20:013
138491410,0ptp4l401ktimersoftd/322:20:273
138491410,0ptp4l401ktimersoftd/322:20:273
138491410,0ptp4l401ktimersoftd/322:05:153
138491410,0ptp4l401ktimersoftd/319:20:193
2231994034,3cyclictest41-21ksoftirqd/322:30:013
2231994029,9cyclictest41-21ksoftirqd/322:15:223
138491400,0ptp4l401ktimersoftd/323:45:113
2231993934,3cyclictest41-21ksoftirqd/319:15:003
2231993927,10cyclictest41-21ksoftirqd/320:50:163
2228993911,26cyclictest0-21swapper/119:46:531
2231993834,2cyclictest41-21ksoftirqd/321:45:003
2231993833,3cyclictest41-21ksoftirqd/319:50:003
2231993831,4cyclictest41-21ksoftirqd/319:42:523
2231993828,8cyclictest41-21ksoftirqd/322:50:143
2229993831,5cyclictest33-21ksoftirqd/223:14:442
138491380,0ptp4l401ktimersoftd/320:59:563
2231993733,2cyclictest41-21ksoftirqd/321:35:163
2231993732,3cyclictest41-21ksoftirqd/323:00:183
2231993732,3cyclictest41-21ksoftirqd/322:30:143
2231993732,3cyclictest41-21ksoftirqd/321:05:013
2231993730,4cyclictest41-21ksoftirqd/300:14:153
223199370,2cyclictest121rcu_preempt20:20:273
2229993731,4cyclictest33-21ksoftirqd/223:19:182
2229993731,4cyclictest33-21ksoftirqd/221:14:062
2229993730,4cyclictest33-21ksoftirqd/223:36:562
2229993730,4cyclictest33-21ksoftirqd/219:57:522
2228993731,4cyclictest25-21ksoftirqd/100:26:321
2306223631,2sleep233-21ksoftirqd/223:05:192
223199366,6cyclictest41-21ksoftirqd/322:35:133
2231993632,3cyclictest41-21ksoftirqd/319:55:133
2231993632,2cyclictest41-21ksoftirqd/320:05:003
2231993631,3cyclictest41-21ksoftirqd/323:50:163
2231993631,3cyclictest41-21ksoftirqd/319:40:013
2231993631,3cyclictest41-21ksoftirqd/319:30:273
2231993630,4cyclictest41-21ksoftirqd/321:52:303
2231993630,4cyclictest41-21ksoftirqd/321:52:293
2231993630,4cyclictest41-21ksoftirqd/321:49:333
2231993630,4cyclictest41-21ksoftirqd/319:52:143
2231993626,9cyclictest41-21ksoftirqd/320:30:183
2229993631,3cyclictest33-21ksoftirqd/223:50:102
2229993631,3cyclictest29790-21awk22:15:002
2229993630,4cyclictest33-21ksoftirqd/222:57:322
2229993630,4cyclictest33-21ksoftirqd/221:52:362
2229993630,4cyclictest33-21ksoftirqd/221:52:362
2229993630,4cyclictest33-21ksoftirqd/221:44:542
2229993630,4cyclictest33-21ksoftirqd/221:09:482
2229993630,3cyclictest33-21ksoftirqd/221:28:062
2229993629,4cyclictest33-21ksoftirqd/220:05:012
2229993625,6cyclictest33-21ksoftirqd/223:25:112
2229993613,20cyclictest14961-21/usr/sbin/munin22:50:182
2228993630,4cyclictest25-21ksoftirqd/123:14:041
2228993630,4cyclictest25-21ksoftirqd/119:25:571
2228993629,5cyclictest25-21ksoftirqd/121:16:371
2228993629,4cyclictest25-21ksoftirqd/119:53:381
2227993630,4cyclictest9-21ksoftirqd/020:34:120
138491360,0ptp4l401ktimersoftd/320:35:173
138491360,0ptp4l401ktimersoftd/320:16:583
138491360,0ptp4l401ktimersoftd/300:15:273
2231993531,2cyclictest41-21ksoftirqd/323:40:003
2231993530,3cyclictest41-21ksoftirqd/319:15:123
2231993530,3cyclictest41-21ksoftirqd/300:20:203
2231993530,2cyclictest41-21ksoftirqd/322:05:003
2231993529,4cyclictest41-21ksoftirqd/300:08:213
2229993529,4cyclictest33-21ksoftirqd/223:40:372
2229993529,4cyclictest33-21ksoftirqd/222:23:532
2229993529,4cyclictest33-21ksoftirqd/222:23:532
2229993529,4cyclictest33-21ksoftirqd/222:05:532
2229993529,4cyclictest33-21ksoftirqd/221:22:572
2229993529,4cyclictest33-21ksoftirqd/220:28:242
2229993529,4cyclictest33-21ksoftirqd/219:53:592
2229993529,4cyclictest33-21ksoftirqd/219:43:312
2229993529,4cyclictest33-21ksoftirqd/200:14:072
2228993529,4cyclictest25-21ksoftirqd/122:20:361
2228993529,4cyclictest25-21ksoftirqd/122:20:361
2228993529,4cyclictest25-21ksoftirqd/122:08:001
2228993529,4cyclictest25-21ksoftirqd/120:06:081
2228993529,4cyclictest25-21ksoftirqd/119:55:091
2228993528,4cyclictest2148-21sh00:35:001
2228993527,5cyclictest25-21ksoftirqd/123:55:101
2227993530,3cyclictest9-21ksoftirqd/020:55:100
2227993530,3cyclictest27152-21dump-pmu-power00:20:010
2227993529,4cyclictest9-21ksoftirqd/023:33:400
2227993529,4cyclictest9-21ksoftirqd/022:26:000
2227993529,4cyclictest9-21ksoftirqd/021:05:080
2227993528,4cyclictest9-21ksoftirqd/023:26:380
138491350,0ptp4l401ktimersoftd/320:25:143
2231993430,2cyclictest41-21ksoftirqd/320:05:253
2231993429,3cyclictest41-21ksoftirqd/323:40:183
2231993429,3cyclictest41-21ksoftirqd/300:25:063
2231993428,4cyclictest41-21ksoftirqd/322:57:363
2231993428,4cyclictest41-21ksoftirqd/321:32:233
2231993428,4cyclictest41-21ksoftirqd/321:19:123
2231993428,4cyclictest41-21ksoftirqd/320:47:063
2231993427,5cyclictest41-21ksoftirqd/321:14:183
2231993427,4cyclictest41-21ksoftirqd/321:24:573
223199341,3cyclictest41-21ksoftirqd/300:35:143
2229993430,3cyclictest33-21ksoftirqd/219:47:062
2229993429,3cyclictest33-21ksoftirqd/219:37:232
2229993428,4cyclictest33-21ksoftirqd/222:41:032
2229993428,4cyclictest33-21ksoftirqd/222:34:572
2229993428,4cyclictest33-21ksoftirqd/221:48:312
2229993428,4cyclictest33-21ksoftirqd/220:07:392
2229993421,11cyclictest33-21ksoftirqd/219:16:242
2229993412,19cyclictest10109-21/usr/sbin/munin21:35:222
2228993429,3cyclictest25-21ksoftirqd/121:52:581
2228993429,3cyclictest25-21ksoftirqd/121:52:581
2228993429,3cyclictest25-21ksoftirqd/121:30:001
2228993429,3cyclictest25-21ksoftirqd/100:10:431
2228993428,4cyclictest25-21ksoftirqd/122:25:121
2228993428,4cyclictest25-21ksoftirqd/120:58:001
2228993428,4cyclictest25-21ksoftirqd/119:31:471
2228993427,4cyclictest25-21ksoftirqd/123:25:511
2228993427,4cyclictest25-21ksoftirqd/120:30:401
2228993427,4cyclictest25-21ksoftirqd/120:10:591
2227993429,3cyclictest9-21ksoftirqd/021:47:560
2227993428,4cyclictest9-21ksoftirqd/023:19:000
2227993428,4cyclictest9-21ksoftirqd/021:01:030
2227993428,4cyclictest9-21ksoftirqd/020:39:380
2227993428,4cyclictest9-21ksoftirqd/020:14:470
2227993428,4cyclictest9-21ksoftirqd/020:01:310
2227993427,4cyclictest9-21ksoftirqd/021:36:230
2227993427,4cyclictest9-21ksoftirqd/021:14:080
222799340,32cyclictest4690-21cron21:25:010
2231993328,3cyclictest41-21ksoftirqd/323:25:003
2231993328,3cyclictest41-21ksoftirqd/300:30:133
2231993328,3cyclictest41-21ksoftirqd/300:00:123
2231993327,4cyclictest41-21ksoftirqd/323:25:493
2231993326,4cyclictest41-21ksoftirqd/323:05:473
2229993327,4cyclictest33-21ksoftirqd/223:01:422
2229993327,4cyclictest33-21ksoftirqd/221:30:392
2229993327,4cyclictest33-21ksoftirqd/219:23:582
2229993327,4cyclictest33-21ksoftirqd/200:20:112
2229993310,21cyclictest10714-21fschecks_count20:30:162
2229993310,20cyclictest23930-21find20:55:232
2228993328,4cyclictest25-21ksoftirqd/123:00:241
2228993328,3cyclictest25-21ksoftirqd/123:15:131
2228993328,3cyclictest25-21ksoftirqd/100:23:281
2228993327,4cyclictest25-21ksoftirqd/123:20:461
2228993327,4cyclictest25-21ksoftirqd/123:08:381
2228993327,4cyclictest25-21ksoftirqd/122:16:021
2228993327,4cyclictest25-21ksoftirqd/100:02:531
2228993326,5cyclictest25-21ksoftirqd/121:37:391
2227993328,3cyclictest9-21ksoftirqd/022:11:490
2227993328,3cyclictest9-21ksoftirqd/021:52:570
2227993328,3cyclictest9-21ksoftirqd/021:52:570
2227993327,4cyclictest9-21ksoftirqd/022:56:220
2227993327,4cyclictest9-21ksoftirqd/022:30:050
2227993327,4cyclictest9-21ksoftirqd/019:35:580
2227993327,4cyclictest9-21ksoftirqd/000:37:430
2227993327,4cyclictest9-21ksoftirqd/000:12:200
2227993327,4cyclictest9-21ksoftirqd/000:00:560
2227993324,4cyclictest9-21ksoftirqd/020:07:130
138491330,10ptp4l401ktimersoftd/322:10:233
2231993229,2cyclictest41-21ksoftirqd/322:40:173
2231993228,2cyclictest41-21ksoftirqd/322:45:183
2231993227,3cyclictest41-21ksoftirqd/323:15:003
2231993227,3cyclictest41-21ksoftirqd/321:25:133
2231993226,4cyclictest41-21ksoftirqd/321:07:413
222999329,3cyclictest7462-21latency_hist20:25:002
222999329,3cyclictest18233-21if_enp1s020:45:172
222999329,3cyclictest18208-21sed00:00:192
222999329,20cyclictest3071-21expr20:15:142
2229993227,3cyclictest33-21ksoftirqd/223:20:102
2229993227,3cyclictest33-21ksoftirqd/220:40:102
2229993227,3cyclictest33-21ksoftirqd/220:13:262
2229993227,3cyclictest33-21ksoftirqd/219:11:452
2229993226,4cyclictest33-21ksoftirqd/200:19:242
2229993212,18cyclictest31267-21open_files22:15:242
2228993228,2cyclictest25-21ksoftirqd/119:20:001
2228993227,3cyclictest25-21ksoftirqd/121:12:021
2228993226,4cyclictest25-21ksoftirqd/120:20:331
2227993228,3cyclictest9-21ksoftirqd/022:39:550
2227993227,3cyclictest9-21ksoftirqd/023:50:260
2227993227,3cyclictest9-21ksoftirqd/023:10:120
2227993227,3cyclictest9-21ksoftirqd/022:04:110
2227993226,4cyclictest9-21ksoftirqd/022:45:350
2227993226,4cyclictest9-21ksoftirqd/020:52:420
2227993226,4cyclictest9-21ksoftirqd/000:26:150
2227993225,4cyclictest9-21ksoftirqd/019:31:460
222999319,19cyclictest2538-21cstates23:30:152
222999318,3cyclictest20162-21/usr/sbin/munin21:55:152
222999318,3cyclictest10618-21irqrtprio23:45:192
222999315,4cyclictest21410-21/usr/sbin/munin00:05:242
2229993125,4cyclictest33-21ksoftirqd/222:01:322
2229993125,4cyclictest33-21ksoftirqd/200:38:412
222999311,10cyclictest0-21swapper/220:50:172
2228993127,2cyclictest1328-21sshd21:57:571
2228993126,3cyclictest25-21ksoftirqd/100:38:401
2228993125,4cyclictest25-21ksoftirqd/120:54:231
2227993126,3cyclictest9-21ksoftirqd/020:46:440
2227993126,3cyclictest9-21ksoftirqd/019:51:190
2227993125,4cyclictest9-21ksoftirqd/023:47:370
2227993125,4cyclictest9-21ksoftirqd/020:44:270
2227993125,4cyclictest9-21ksoftirqd/020:18:400
2227993125,4cyclictest9-21ksoftirqd/019:49:110
2227993125,4cyclictest9-21ksoftirqd/000:09:220
2227993124,4cyclictest9-21ksoftirqd/021:55:440
2231993025,3cyclictest41-21ksoftirqd/319:25:143
222999309,3cyclictest13137-21idleruntime22:45:172
222999307,3cyclictest9925-21wc22:40:002
222999306,3cyclictest32332-21basename21:15:102
2229993025,3cyclictest33-21ksoftirqd/223:57:342
2229993024,4cyclictest33-21ksoftirqd/219:26:102
2228993025,3cyclictest25-21ksoftirqd/119:22:241
2228993025,3cyclictest25-21ksoftirqd/119:15:001
2228993024,4cyclictest25-21ksoftirqd/122:34:241
2228993024,4cyclictest25-21ksoftirqd/121:45:421
2228993024,4cyclictest25-21ksoftirqd/120:25:391
2227993025,3cyclictest9-21ksoftirqd/023:57:530
2227993025,3cyclictest9-21ksoftirqd/023:41:230
2227993025,3cyclictest9-21ksoftirqd/022:44:500
2227993025,3cyclictest9-21ksoftirqd/021:16:210
2227993025,3cyclictest9-21ksoftirqd/019:56:290
2227993024,4cyclictest9-21ksoftirqd/023:01:110
2227993024,3cyclictest9-21ksoftirqd/022:53:170
222999297,3cyclictest32547-21expr00:30:122
222999297,2cyclictest30322-21df_inode00:25:142
2229992923,4cyclictest33-21ksoftirqd/220:39:042
222999291,4cyclictest2979-21df22:25:112
2228992924,3cyclictest25-21ksoftirqd/123:40:001
2228992924,3cyclictest25-21ksoftirqd/121:42:351
2228992923,4cyclictest25-21ksoftirqd/122:41:341
2228992923,4cyclictest25-21ksoftirqd/121:06:471
2228992922,4cyclictest25-21ksoftirqd/100:17:001
2228992917,9cyclictest25-21ksoftirqd/122:00:241
2227992924,3cyclictest9-21ksoftirqd/023:35:110
2227992924,3cyclictest9-21ksoftirqd/022:23:550
2227992924,3cyclictest9-21ksoftirqd/022:23:550
2227992924,3cyclictest9-21ksoftirqd/000:20:140
2227992923,4cyclictest9-21ksoftirqd/000:32:330
2227992922,6cyclictest9-21ksoftirqd/020:22:330
2227992922,4cyclictest9-21ksoftirqd/023:05:480
222999286,2cyclictest0-21swapper/219:30:152
2229992822,4cyclictest33-21ksoftirqd/221:03:302
2228992823,3cyclictest25-21ksoftirqd/123:30:131
2228992823,3cyclictest25-21ksoftirqd/122:53:521
2228992823,3cyclictest25-21ksoftirqd/122:47:221
2228992823,3cyclictest25-21ksoftirqd/121:34:451
2228992823,3cyclictest25-21ksoftirqd/119:36:231
2228992822,4cyclictest25-21ksoftirqd/120:36:091
2228992818,9cyclictest25-21ksoftirqd/121:00:271
2227992823,3cyclictest9-21ksoftirqd/021:41:200
2227992822,4cyclictest9-21ksoftirqd/019:21:190
2227992722,3cyclictest9-21ksoftirqd/021:25:150
2228992621,3cyclictest25-21ksoftirqd/123:46:521
2228992621,3cyclictest25-21ksoftirqd/120:18:001
2227992620,4cyclictest9-21ksoftirqd/019:44:170
2227992620,4cyclictest9-21ksoftirqd/019:16:100
2228992520,3cyclictest25-21ksoftirqd/120:48:091
2228992520,3cyclictest25-21ksoftirqd/120:00:161
2228992519,4cyclictest25-21ksoftirqd/123:42:191
2228992519,4cyclictest25-21ksoftirqd/122:10:001
2228992519,4cyclictest25-21ksoftirqd/119:40:021
2228992519,3cyclictest25-21ksoftirqd/100:07:401
2227992520,3cyclictest9-21ksoftirqd/020:25:450
2227992520,3cyclictest9-21ksoftirqd/019:28:010
2228992419,3cyclictest25-21ksoftirqd/122:38:081
2228992419,3cyclictest25-21ksoftirqd/120:40:141
2228992218,3cyclictest25-21ksoftirqd/123:00:001
2227992116,3cyclictest9-21ksoftirqd/023:23:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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