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2026-05-17 - 15:11
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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 rackdslot4.osadl.org (updated Sun May 17, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
325572203169,23sleep30-21swapper/319:09:303
324432201167,23sleep10-21swapper/119:07:591
323172201168,22sleep20-21swapper/219:06:282
324472198166,21sleep00-21swapper/019:08:020
2898521440,7sleep344299cyclictest20:05:173
3260029167,13sleep20-21swapper/219:10:002
138491690,1ptp4l401ktimersoftd/323:40:213
317892640,2sleep10-21swapper/120:10:161
222652620,3sleep319352-21apache219:50:253
440995831,7cyclictest25-21ksoftirqd/122:59:591
440995629,3cyclictest25-21ksoftirqd/123:25:211
440995626,4cyclictest25-21ksoftirqd/119:30:301
440995625,7cyclictest25-21ksoftirqd/123:00:001
440995624,4cyclictest25-21ksoftirqd/123:40:221
440995620,4cyclictest25-21ksoftirqd/121:40:241
440995525,3cyclictest25-21ksoftirqd/122:25:281
440995520,4cyclictest25-21ksoftirqd/121:30:141
440995425,4cyclictest25-21ksoftirqd/120:15:121
440995422,8cyclictest25-21ksoftirqd/121:00:221
440995422,4cyclictest25-21ksoftirqd/122:00:211
440995420,3cyclictest25-21ksoftirqd/123:20:231
440995414,7cyclictest25-21ksoftirqd/122:35:251
440995414,7cyclictest25-21ksoftirqd/120:55:231
440995413,8cyclictest25-21ksoftirqd/123:10:231
440995413,8cyclictest25-21ksoftirqd/123:10:231
440995413,7cyclictest25-21ksoftirqd/122:10:231
440995326,3cyclictest25-21ksoftirqd/123:15:231
440995323,3cyclictest25-21ksoftirqd/119:45:181
440995314,7cyclictest25-21ksoftirqd/119:55:261
440995314,7cyclictest25-21ksoftirqd/100:00:191
440995313,7cyclictest25-21ksoftirqd/122:05:151
44099525,8cyclictest25-21ksoftirqd/119:25:011
440995224,3cyclictest25-21ksoftirqd/122:25:011
440995219,4cyclictest25-21ksoftirqd/120:30:261
440995218,3cyclictest25-21ksoftirqd/122:45:221
44099518,9cyclictest25-21ksoftirqd/121:45:161
440995124,6cyclictest25-21ksoftirqd/120:25:261
440995124,5cyclictest25-21ksoftirqd/122:15:231
440995123,3cyclictest25-21ksoftirqd/119:50:341
440995121,6cyclictest25-21ksoftirqd/100:20:011
440995118,9cyclictest25-21ksoftirqd/122:50:201
440995118,3cyclictest25-21ksoftirqd/121:50:131
440995117,4cyclictest25-21ksoftirqd/122:40:411
440995117,4cyclictest25-21ksoftirqd/122:40:411
440995117,3cyclictest25-21ksoftirqd/120:00:211
440995117,3cyclictest25-21ksoftirqd/100:05:221
440995116,7cyclictest25-21ksoftirqd/123:45:131
440995114,10cyclictest25-21ksoftirqd/121:05:211
440995111,8cyclictest25-21ksoftirqd/121:10:271
440995025,6cyclictest25-21ksoftirqd/121:55:161
440995024,7cyclictest25-21ksoftirqd/122:30:121
440995020,4cyclictest25-21ksoftirqd/120:20:271
440995017,7cyclictest25-21ksoftirqd/119:40:211
440995015,8cyclictest25-21ksoftirqd/123:35:131
440995015,7cyclictest25-21ksoftirqd/120:35:151
440995014,8cyclictest25-21ksoftirqd/123:50:241
440995011,8cyclictest25-21ksoftirqd/120:45:241
80132490,2sleep30-21swapper/323:45:133
440994924,6cyclictest25-21ksoftirqd/120:45:001
440994921,7cyclictest25-21ksoftirqd/121:20:211
440994921,7cyclictest25-21ksoftirqd/119:10:201
440994921,4cyclictest25-21ksoftirqd/123:32:381
440994921,4cyclictest25-21ksoftirqd/119:17:411
440994921,3cyclictest25-21ksoftirqd/121:35:281
440994919,8cyclictest25-21ksoftirqd/100:25:231
440994918,3cyclictest25-21ksoftirqd/123:05:241
440994917,8cyclictest25-21ksoftirqd/120:05:191
44099487,9cyclictest25-21ksoftirqd/120:50:241
44099484,3cyclictest25-21ksoftirqd/119:35:121
440994718,4cyclictest25-21ksoftirqd/119:25:201
440994716,7cyclictest25-21ksoftirqd/123:55:201
44099471,3cyclictest25-21ksoftirqd/100:35:201
44099471,2cyclictest25-21ksoftirqd/121:15:261
44099461,3cyclictest25-21ksoftirqd/100:20:121
44099440,3cyclictest25-21ksoftirqd/121:25:281
138491440,0ptp4l401ktimersoftd/322:58:043
440994314,3cyclictest25-21ksoftirqd/100:30:171
44099421,2cyclictest121rcu_preempt00:15:001
44099421,2cyclictest121rcu_preempt00:15:001
138491420,0ptp4l401ktimersoftd/320:43:493
138491410,0ptp4l401ktimersoftd/300:30:163
138491390,13ptp4l401ktimersoftd/319:30:193
442993832,3cyclictest28228-21cron00:25:003
441993831,5cyclictest33-21ksoftirqd/200:33:582
441993831,4cyclictest33-21ksoftirqd/220:34:592
441993816,19cyclictest25575-21wc00:20:002
442993731,4cyclictest41-21ksoftirqd/300:02:103
442993730,4cyclictest20315-21wc23:05:003
44199379,26cyclictest0-21swapper/221:10:432
44199379,26cyclictest0-21swapper/219:20:232
44299365,29cyclictest12721-21kworker/3:119:40:433
442993630,4cyclictest41-21ksoftirqd/320:11:103
442993630,4cyclictest41-21ksoftirqd/319:17:073
44299360,3cyclictest9754-1kworker/3:0H00:15:013
44299360,3cyclictest9754-1kworker/3:0H00:15:003
441993630,4cyclictest33-21ksoftirqd/221:51:202
441993630,4cyclictest33-21ksoftirqd/221:41:042
441993630,4cyclictest33-21ksoftirqd/221:34:462
441993630,4cyclictest33-21ksoftirqd/220:43:402
441993630,4cyclictest33-21ksoftirqd/219:56:532
441993630,4cyclictest33-21ksoftirqd/219:40:092
441993630,4cyclictest33-21ksoftirqd/200:38:192
439993629,5cyclictest9-21ksoftirqd/000:13:500
439993629,5cyclictest9-21ksoftirqd/000:13:500
439993629,4cyclictest9-21ksoftirqd/022:04:590
238672360,7sleep043999cyclictest21:00:180
138491360,6ptp4l44299cyclictest00:05:113
442993529,4cyclictest41-21ksoftirqd/323:33:373
442993529,4cyclictest41-21ksoftirqd/323:28:123
442993529,4cyclictest41-21ksoftirqd/320:54:273
442993529,4cyclictest41-21ksoftirqd/319:59:163
442993529,4cyclictest41-21ksoftirqd/300:16:223
442993514,3cyclictest6983-21open_files19:20:223
442993513,3cyclictest25437-21/usr/sbin/munin23:15:233
441993529,4cyclictest33-21ksoftirqd/222:48:582
441993529,4cyclictest33-21ksoftirqd/221:58:262
441993529,4cyclictest33-21ksoftirqd/221:29:212
441993529,4cyclictest33-21ksoftirqd/220:19:252
441993513,19cyclictest33-21ksoftirqd/219:29:532
441993511,20cyclictest2315-21gnome-shell21:06:582
439993530,3cyclictest9-21ksoftirqd/023:05:200
439993530,3cyclictest9-21ksoftirqd/020:15:100
439993529,4cyclictest9-21ksoftirqd/021:32:590
439993529,4cyclictest9-21ksoftirqd/020:13:010
439993528,5cyclictest9-21ksoftirqd/000:31:400
442993430,3cyclictest41-21ksoftirqd/319:36:543
442993429,4cyclictest41-21ksoftirqd/322:18:563
442993429,3cyclictest41-21ksoftirqd/323:05:353
442993429,3cyclictest41-21ksoftirqd/322:21:583
442993429,3cyclictest41-21ksoftirqd/321:35:163
442993429,3cyclictest41-21ksoftirqd/321:10:113
442993428,4cyclictest41-21ksoftirqd/322:44:273
442993428,4cyclictest41-21ksoftirqd/322:44:273
442993428,4cyclictest41-21ksoftirqd/320:48:413
441993429,3cyclictest33-21ksoftirqd/223:19:442
441993429,3cyclictest33-21ksoftirqd/222:40:112
441993429,3cyclictest33-21ksoftirqd/222:40:112
441993428,4cyclictest33-21ksoftirqd/223:37:142
441993428,4cyclictest33-21ksoftirqd/223:05:002
441993428,4cyclictest33-21ksoftirqd/200:12:522
441993428,4cyclictest33-21ksoftirqd/200:12:522
441993428,3cyclictest33-21ksoftirqd/200:05:002
439993429,3cyclictest9-21ksoftirqd/023:35:340
439993429,3cyclictest9-21ksoftirqd/021:15:230
439993429,3cyclictest9-21ksoftirqd/020:27:120
439993428,4cyclictest9-21ksoftirqd/023:02:530
439993428,4cyclictest9-21ksoftirqd/022:37:070
439993428,4cyclictest9-21ksoftirqd/020:59:010
439993428,4cyclictest9-21ksoftirqd/020:09:280
439993428,4cyclictest9-21ksoftirqd/020:01:040
442993328,3cyclictest41-21ksoftirqd/321:15:123
442993327,4cyclictest41-21ksoftirqd/323:50:593
442993327,4cyclictest41-21ksoftirqd/322:04:473
442993327,4cyclictest41-21ksoftirqd/321:31:303
442993327,4cyclictest41-21ksoftirqd/319:12:383
44199338,3cyclictest30138-21grep20:05:272
441993328,3cyclictest33-21ksoftirqd/222:17:002
441993327,4cyclictest33-21ksoftirqd/223:40:512
441993327,4cyclictest33-21ksoftirqd/222:50:402
441993327,4cyclictest33-21ksoftirqd/222:24:362
441993327,4cyclictest33-21ksoftirqd/221:48:462
441993327,4cyclictest33-21ksoftirqd/221:15:412
441993327,4cyclictest33-21ksoftirqd/220:55:062
441993327,4cyclictest33-21ksoftirqd/220:39:312
441993327,4cyclictest33-21ksoftirqd/220:04:482
441993327,4cyclictest33-21ksoftirqd/219:52:082
441993327,4cyclictest33-21ksoftirqd/219:49:312
441993311,19cyclictest1547-21cut23:30:202
439993328,3cyclictest9-21ksoftirqd/022:30:440
439993328,3cyclictest9-21ksoftirqd/022:15:200
439993328,3cyclictest9-21ksoftirqd/019:28:550
439993327,4cyclictest9-21ksoftirqd/021:37:330
439993327,4cyclictest9-21ksoftirqd/019:41:360
439993327,4cyclictest9-21ksoftirqd/019:24:180
439993327,4cyclictest9-21ksoftirqd/000:23:450
439993327,3cyclictest9-21ksoftirqd/020:35:090
138491330,0ptp4l401ktimersoftd/322:37:573
442993226,4cyclictest41-21ksoftirqd/321:45:063
442993226,4cyclictest41-21ksoftirqd/321:04:273
442993226,4cyclictest41-21ksoftirqd/300:39:133
441993227,3cyclictest33-21ksoftirqd/221:35:092
441993226,4cyclictest33-21ksoftirqd/223:13:512
441993226,4cyclictest33-21ksoftirqd/223:13:512
441993226,4cyclictest33-21ksoftirqd/222:56:502
441993226,4cyclictest33-21ksoftirqd/222:35:362
441993226,4cyclictest33-21ksoftirqd/222:01:432
441993226,4cyclictest33-21ksoftirqd/221:01:042
441993226,4cyclictest33-21ksoftirqd/220:50:412
441993225,5cyclictest33-21ksoftirqd/223:06:582
441993211,19cyclictest8083-21idleruntime-cro20:29:592
441993211,19cyclictest32275-21seq23:26:052
441993211,19cyclictest2295-21ls21:20:262
439993227,3cyclictest9-21ksoftirqd/022:28:470
439993227,3cyclictest9-21ksoftirqd/021:46:070
439993227,3cyclictest9-21ksoftirqd/021:45:000
439993227,3cyclictest9-21ksoftirqd/019:18:160
439993227,3cyclictest9-21ksoftirqd/000:38:420
439993226,4cyclictest9-21ksoftirqd/023:47:350
439993226,4cyclictest9-21ksoftirqd/022:51:300
439993226,4cyclictest9-21ksoftirqd/021:56:110
439993226,4cyclictest9-21ksoftirqd/020:22:020
439993226,4cyclictest9-21ksoftirqd/019:45:290
439993226,4cyclictest9-21ksoftirqd/000:25:380
439993226,4cyclictest9-21ksoftirqd/000:09:130
439993226,4cyclictest9-21ksoftirqd/000:04:590
439993225,4cyclictest9-21ksoftirqd/019:36:380
439993225,4cyclictest9-21ksoftirqd/019:10:500
127952320,2sleep00-21swapper/023:55:010
442993126,3cyclictest41-21ksoftirqd/322:08:083
442993126,3cyclictest41-21ksoftirqd/321:56:063
442993125,4cyclictest41-21ksoftirqd/322:46:413
442993125,4cyclictest41-21ksoftirqd/320:30:333
44299311,8cyclictest417-21irqbalance20:20:133
441993126,3cyclictest33-21ksoftirqd/223:53:292
441993126,3cyclictest33-21ksoftirqd/219:33:502
441993126,3cyclictest33-21ksoftirqd/200:26:222
441993126,3cyclictest33-21ksoftirqd/200:07:122
441993125,4cyclictest33-21ksoftirqd/223:23:472
441993125,4cyclictest33-21ksoftirqd/222:33:162
441993125,4cyclictest33-21ksoftirqd/220:47:532
441993125,4cyclictest33-21ksoftirqd/200:20:382
441993124,4cyclictest33-21ksoftirqd/219:36:322
441993110,17cyclictest7893-21apt-get23:45:122
439993126,3cyclictest9-21ksoftirqd/023:34:400
439993126,3cyclictest9-21ksoftirqd/023:28:560
439993126,3cyclictest9-21ksoftirqd/023:20:520
439993126,3cyclictest9-21ksoftirqd/019:31:550
439993125,4cyclictest9-21ksoftirqd/021:52:290
439993125,4cyclictest9-21ksoftirqd/020:50:400
439993125,4cyclictest9-21ksoftirqd/019:56:390
138491310,0ptp4l401ktimersoftd/322:54:163
442993025,3cyclictest41-21ksoftirqd/322:10:113
442993025,3cyclictest41-21ksoftirqd/320:26:513
442993025,3cyclictest41-21ksoftirqd/320:00:103
442993025,3cyclictest41-21ksoftirqd/319:49:093
442993025,3cyclictest41-21ksoftirqd/319:25:163
442993025,3cyclictest11243-21irqrtprio21:40:193
441993024,4cyclictest33-21ksoftirqd/223:56:112
439993025,3cyclictest9-21ksoftirqd/022:08:420
439993025,3cyclictest9-21ksoftirqd/021:21:170
439993024,4cyclictest9-21ksoftirqd/023:44:580
439993024,4cyclictest9-21ksoftirqd/022:56:200
439993024,4cyclictest9-21ksoftirqd/021:13:540
138491300,9ptp4l401ktimersoftd/320:16:243
442992924,3cyclictest41-21ksoftirqd/321:29:573
44199299,2cyclictest26270-21irqrtprio22:10:182
441992923,4cyclictest33-21ksoftirqd/219:17:222
441992910,2cyclictest4806-21ptp4l20:20:232
439992924,3cyclictest9-21ksoftirqd/022:23:460
439992924,3cyclictest9-21ksoftirqd/020:30:040
138491290,4ptp4l44299cyclictest22:27:553
442992823,3cyclictest41-21ksoftirqd/322:35:003
442992823,3cyclictest41-21ksoftirqd/321:53:443
442992823,3cyclictest41-21ksoftirqd/300:25:133
44199289,18cyclictest0-21swapper/220:10:242
441992810,3cyclictest23281-21cstates22:05:132
439992823,3cyclictest9-21ksoftirqd/023:14:450
439992823,3cyclictest9-21ksoftirqd/023:14:450
439992823,3cyclictest9-21ksoftirqd/019:51:170
439992823,3cyclictest9-21ksoftirqd/000:18:560
442992722,3cyclictest41-21ksoftirqd/323:20:373
442992722,3cyclictest41-21ksoftirqd/323:11:473
442992722,3cyclictest41-21ksoftirqd/323:11:473
442992722,3cyclictest41-21ksoftirqd/321:09:293
442992721,4cyclictest41-21ksoftirqd/323:39:473
439992722,3cyclictest9-21ksoftirqd/022:49:010
439992721,4cyclictest9-21ksoftirqd/021:29:390
1385912722,2phc2sys41-21ksoftirqd/320:55:253
44199261,3cyclictest1631-21meminfo22:25:222
138491260,1ptp4l401ktimersoftd/321:20:193
442992520,3cyclictest41-21ksoftirqd/323:58:013
442992520,3cyclictest41-21ksoftirqd/320:36:393
439992520,3cyclictest9-21ksoftirqd/023:16:290
439992419,3cyclictest9-21ksoftirqd/020:45:180
439992210,7cyclictest2360-21gdbus23:55:040
439992117,2cyclictest9-21ksoftirqd/022:10:180
439992015,3cyclictest9720-21tail22:40:280
439992015,3cyclictest9720-21tail22:40:270
439991914,3cyclictest13807-21fschecks_time20:40:160
439991812,4cyclictest9-21ksoftirqd/021:08:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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