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2026-07-20 - 12:57
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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 rackdslot2.osadl.org (updated Mon Jul 20, 2026 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
306782230164,20sleep30-21swapper/319:08:353
305462208175,22sleep10-21swapper/119:06:521
305072207173,23sleep00-21swapper/019:06:240
307422206172,22sleep20-21swapper/219:09:282
3079421560,6sleep13108099cyclictest21:25:001
456321500,7sleep13108099cyclictest21:35:231
218762560,6sleep221871-21unixbench_singl22:10:272
31080995423,4cyclictest25-21ksoftirqd/120:15:191
139291540,1ptp4l401ktimersoftd/300:25:253
139291540,1ptp4l401ktimersoftd/300:25:253
307022530,2sleep20-21swapper/223:40:012
139291530,1ptp4l391rcuc/322:25:163
139291530,18ptp4l3031-21dump-pmu-power23:50:013
41298470,10rtkit-daemon0-21swapper/120:35:151
31080994615,4cyclictest25-21ksoftirqd/123:45:281
31080994527,4cyclictest25-21ksoftirqd/100:15:151
224852450,2sleep30-21swapper/322:15:013
31081994439,3cyclictest33-21ksoftirqd/222:30:002
31080994438,3cyclictest4234-21cron22:45:001
31080994416,4cyclictest25-21ksoftirqd/120:20:251
31080994414,4cyclictest25-21ksoftirqd/100:30:141
31080994413,4cyclictest25-21ksoftirqd/121:45:231
31081994336,5cyclictest33-21ksoftirqd/200:20:002
3107999438,8cyclictest9-21ksoftirqd/023:55:130
31081994232,6cyclictest33-21ksoftirqd/219:40:022
3108099429,8cyclictest25-21ksoftirqd/122:30:191
3108099429,5cyclictest25-21ksoftirqd/119:55:151
3108099428,10cyclictest25-21ksoftirqd/100:05:281
3108099427,8cyclictest25-21ksoftirqd/122:25:271
3108099421,3cyclictest121rcu_preempt19:45:181
31080994210,3cyclictest25-21ksoftirqd/123:40:201
139291420,0ptp4l401ktimersoftd/320:54:113
139291420,0ptp4l401ktimersoftd/319:52:283
139291420,0ptp4l401ktimersoftd/319:27:573
139291420,0ptp4l401ktimersoftd/319:27:573
31082994136,3cyclictest41-21ksoftirqd/321:35:003
3108099417,8cyclictest25-21ksoftirqd/123:50:251
31080994136,3cyclictest25-21ksoftirqd/120:55:001
31080994135,3cyclictest25-21ksoftirqd/120:45:001
31080994111,9cyclictest25-21ksoftirqd/119:20:001
31080994111,8cyclictest25-21ksoftirqd/121:55:281
31080994111,7cyclictest25-21ksoftirqd/122:00:241
31080994111,4cyclictest25-21ksoftirqd/120:00:231
139291410,0ptp4l401ktimersoftd/322:45:003
139291410,0ptp4l401ktimersoftd/319:39:293
31081994035,3cyclictest33-21ksoftirqd/223:50:012
31081994035,3cyclictest33-21ksoftirqd/223:20:002
31081994035,3cyclictest33-21ksoftirqd/223:20:002
31081994035,3cyclictest33-21ksoftirqd/220:10:002
3108099408,4cyclictest25-21ksoftirqd/119:40:251
31080994036,2cyclictest25-21ksoftirqd/121:00:011
3108099401,5cyclictest25-21ksoftirqd/120:05:191
3108099401,4cyclictest25-21ksoftirqd/119:20:191
3108099401,4cyclictest25-21ksoftirqd/119:20:191
31082993934,3cyclictest41-21ksoftirqd/321:45:003
31082993933,4cyclictest41-21ksoftirqd/322:51:163
31081993932,4cyclictest33-21ksoftirqd/220:05:012
3108099399,4cyclictest25-21ksoftirqd/100:01:251
3108099399,3cyclictest25-21ksoftirqd/121:05:241
3108099398,6cyclictest25-21ksoftirqd/119:35:261
3108099395,6cyclictest25-21ksoftirqd/123:00:141
3108099394,8cyclictest25-21ksoftirqd/119:50:261
3108099394,2cyclictest121rcu_preempt23:55:251
3108099393,8cyclictest25-21ksoftirqd/122:15:261
31080993933,3cyclictest25-21ksoftirqd/122:54:591
31080993933,3cyclictest25-21ksoftirqd/121:10:171
3108099391,5cyclictest25-21ksoftirqd/122:05:151
3108099391,5cyclictest25-21ksoftirqd/119:25:171
3108099391,5cyclictest25-21ksoftirqd/119:25:171
3108099391,4cyclictest25-21ksoftirqd/120:45:211
31080993910,7cyclictest25-21ksoftirqd/123:20:141
31082993832,4cyclictest41-21ksoftirqd/323:54:423
31082993832,4cyclictest41-21ksoftirqd/321:11:223
31082993832,4cyclictest41-21ksoftirqd/320:22:493
31082993832,4cyclictest41-21ksoftirqd/319:48:593
31082993832,4cyclictest41-21ksoftirqd/319:18:253
3108199387,6cyclictest33-21ksoftirqd/200:05:002
31081993833,3cyclictest33-21ksoftirqd/219:55:002
31081993832,4cyclictest33-21ksoftirqd/222:49:262
31081993826,9cyclictest33-21ksoftirqd/221:00:272
3108099389,4cyclictest25-21ksoftirqd/121:44:131
3108099385,4cyclictest121rcu_preempt19:10:141
3108099385,3cyclictest25-21ksoftirqd/120:30:291
3108099385,3cyclictest121rcu_preempt20:13:461
31080993832,3cyclictest25-21ksoftirqd/123:35:181
31080993832,3cyclictest25-21ksoftirqd/122:45:191
31080993830,4cyclictest25-21ksoftirqd/121:55:001
3108099381,7cyclictest25-21ksoftirqd/122:10:161
3108099381,5cyclictest25-21ksoftirqd/119:30:171
31080993811,6cyclictest25-21ksoftirqd/123:05:281
31080993810,3cyclictest25-21ksoftirqd/123:31:261
31079993832,3cyclictest9-21ksoftirqd/021:35:010
31079993831,4cyclictest9-21ksoftirqd/020:46:240
139291380,1ptp4l391rcuc/321:20:333
31082993732,3cyclictest41-21ksoftirqd/322:10:013
31082993732,3cyclictest41-21ksoftirqd/320:17:003
31082993731,4cyclictest41-21ksoftirqd/320:56:423
31081993733,2cyclictest33-21ksoftirqd/200:15:002
31081993732,3cyclictest33-21ksoftirqd/222:50:132
31081993732,3cyclictest33-21ksoftirqd/222:40:002
31081993732,3cyclictest33-21ksoftirqd/221:57:032
31081993732,3cyclictest33-21ksoftirqd/220:29:542
31081993731,4cyclictest33-21ksoftirqd/223:12:132
31081993731,4cyclictest33-21ksoftirqd/223:12:132
31081993731,4cyclictest33-21ksoftirqd/219:26:032
31081993731,4cyclictest33-21ksoftirqd/219:26:032
31081993731,3cyclictest33-21ksoftirqd/220:45:002
31081993727,2cyclictest33-21ksoftirqd/221:25:382
3108099379,7cyclictest25-21ksoftirqd/123:30:001
3108099373,3cyclictest121rcu_preempt20:29:181
31080993731,3cyclictest25-21ksoftirqd/121:30:181
3108099372,7cyclictest25-21ksoftirqd/121:00:161
3108099371,4cyclictest25-21ksoftirqd/121:25:231
31079993733,2cyclictest9-21ksoftirqd/023:55:010
31079993733,2cyclictest9-21ksoftirqd/019:55:000
31079993732,3cyclictest9-21ksoftirqd/000:40:010
31079993731,4cyclictest9-21ksoftirqd/021:05:500
31079993731,4cyclictest9-21ksoftirqd/000:30:490
31079993730,4cyclictest9-21ksoftirqd/023:12:550
31079993730,4cyclictest9-21ksoftirqd/023:12:550
139291370,0ptp4l401ktimersoftd/321:26:283
31082993631,3cyclictest41-21ksoftirqd/321:07:573
31082993631,3cyclictest41-21ksoftirqd/300:20:113
31082993630,4cyclictest41-21ksoftirqd/323:14:423
31082993630,4cyclictest41-21ksoftirqd/323:14:423
31082993630,4cyclictest41-21ksoftirqd/323:04:523
31082993630,4cyclictest41-21ksoftirqd/322:01:253
31082993630,4cyclictest41-21ksoftirqd/320:32:273
31082993630,4cyclictest41-21ksoftirqd/300:16:443
31082993629,5cyclictest41-21ksoftirqd/319:11:313
31081993632,2cyclictest33-21ksoftirqd/221:45:132
31081993631,3cyclictest33-21ksoftirqd/221:40:002
31081993630,4cyclictest33-21ksoftirqd/223:42:582
31081993630,4cyclictest33-21ksoftirqd/222:34:302
31081993630,4cyclictest33-21ksoftirqd/219:12:112
31081993630,4cyclictest33-21ksoftirqd/200:28:112
31081993630,4cyclictest33-21ksoftirqd/200:28:102
31081993630,3cyclictest33-21ksoftirqd/223:35:002
31081993630,3cyclictest33-21ksoftirqd/219:25:002
31081993630,3cyclictest33-21ksoftirqd/219:25:002
31081993629,4cyclictest33-21ksoftirqd/220:10:162
31081993625,9cyclictest33-21ksoftirqd/221:10:282
31081993625,10cyclictest33-21ksoftirqd/220:45:182
31081993622,12cyclictest33-21ksoftirqd/221:25:002
31081993618,6cyclictest33-21ksoftirqd/220:55:142
31081993618,16cyclictest33-21ksoftirqd/220:40:012
3108099366,3cyclictest121rcu_preempt23:10:571
3108099366,3cyclictest121rcu_preempt23:10:571
31080993631,3cyclictest25-21ksoftirqd/121:16:181
31080993631,2cyclictest25-21ksoftirqd/122:35:191
31080993628,4cyclictest25-21ksoftirqd/123:15:221
31080993628,4cyclictest25-21ksoftirqd/123:15:221
31080993610,3cyclictest25-21ksoftirqd/122:57:211
31079993631,3cyclictest9-21ksoftirqd/021:50:000
31079993630,4cyclictest9-21ksoftirqd/023:25:470
31079993630,4cyclictest9-21ksoftirqd/023:24:420
31079993630,4cyclictest9-21ksoftirqd/019:42:290
31079993630,3cyclictest9-21ksoftirqd/023:00:000
31079993629,4cyclictest9-21ksoftirqd/020:01:190
139291360,0ptp4l401ktimersoftd/323:15:123
139291360,0ptp4l401ktimersoftd/323:15:123
139291360,0ptp4l401ktimersoftd/322:35:123
31082993530,3cyclictest41-21ksoftirqd/323:35:153
31082993530,3cyclictest41-21ksoftirqd/323:28:463
31082993530,3cyclictest41-21ksoftirqd/322:16:193
31082993529,4cyclictest41-21ksoftirqd/323:32:553
31082993529,4cyclictest41-21ksoftirqd/323:09:253
31082993529,4cyclictest41-21ksoftirqd/320:36:523
31082993529,4cyclictest41-21ksoftirqd/320:07:283
31082993529,4cyclictest41-21ksoftirqd/300:39:153
31081993530,3cyclictest33-21ksoftirqd/223:08:082
31081993530,3cyclictest33-21ksoftirqd/221:30:392
31081993530,3cyclictest33-21ksoftirqd/220:53:302
31081993530,3cyclictest33-21ksoftirqd/200:35:002
31081993529,4cyclictest33-21ksoftirqd/200:22:332
31081993523,10cyclictest33-21ksoftirqd/200:35:192
3108199351,3cyclictest121rcu_preempt23:25:002
3108099355,3cyclictest121rcu_preempt00:12:311
31080993530,3cyclictest25-21ksoftirqd/122:20:191
3108099350,5cyclictest25-21ksoftirqd/100:20:131
31079993531,3cyclictest9-21ksoftirqd/021:20:280
31079993530,3cyclictest9-21ksoftirqd/023:35:540
31079993530,3cyclictest9-21ksoftirqd/000:15:000
31079993530,2cyclictest9-21ksoftirqd/019:11:130
31079993529,4cyclictest9-21ksoftirqd/022:52:370
31079993529,4cyclictest9-21ksoftirqd/022:49:000
31079993529,4cyclictest9-21ksoftirqd/022:29:290
31082993429,3cyclictest41-21ksoftirqd/322:57:493
31082993429,3cyclictest41-21ksoftirqd/321:50:113
31082993429,3cyclictest41-21ksoftirqd/321:19:053
31082993429,3cyclictest41-21ksoftirqd/321:03:483
31082993429,3cyclictest41-21ksoftirqd/319:42:293
31082993429,3cyclictest41-21ksoftirqd/300:01:113
31082993428,4cyclictest41-21ksoftirqd/322:24:563
31081993430,3cyclictest33-21ksoftirqd/221:50:192
31081993429,3cyclictest33-21ksoftirqd/220:30:222
31081993429,3cyclictest33-21ksoftirqd/219:33:282
31081993429,3cyclictest33-21ksoftirqd/219:15:142
31081993428,4cyclictest33-21ksoftirqd/223:59:052
31081993428,4cyclictest33-21ksoftirqd/223:29:502
31081993428,4cyclictest33-21ksoftirqd/222:02:282
31081993428,4cyclictest33-21ksoftirqd/221:08:332
31081993428,3cyclictest33-21ksoftirqd/223:02:462
31081993428,3cyclictest33-21ksoftirqd/200:10:002
31081993427,4cyclictest33-21ksoftirqd/222:23:052
31080993429,3cyclictest25-21ksoftirqd/100:35:131
31080993428,4cyclictest25-21ksoftirqd/100:26:051
31080993428,4cyclictest25-21ksoftirqd/100:26:051
31079993430,2cyclictest9-21ksoftirqd/023:35:010
31079993429,3cyclictest9-21ksoftirqd/020:50:190
31079993429,3cyclictest9-21ksoftirqd/020:20:180
31079993428,4cyclictest9-21ksoftirqd/021:59:210
31079993428,4cyclictest9-21ksoftirqd/021:18:380
31079993428,4cyclictest9-21ksoftirqd/021:11:160
31079993428,4cyclictest9-21ksoftirqd/020:59:000
31079993428,4cyclictest9-21ksoftirqd/020:41:430
31079993428,4cyclictest9-21ksoftirqd/020:31:120
31079993428,4cyclictest9-21ksoftirqd/020:13:260
31079993427,4cyclictest9-21ksoftirqd/023:00:590
31079993427,4cyclictest9-21ksoftirqd/022:13:420
31079993427,4cyclictest9-21ksoftirqd/000:19:100
139291340,1ptp4l391rcuc/321:45:213
31082993328,3cyclictest41-21ksoftirqd/320:40:293
31082993327,4cyclictest41-21ksoftirqd/319:23:043
31082993327,4cyclictest41-21ksoftirqd/319:23:033
31082993327,3cyclictest41-21ksoftirqd/320:10:143
31082993327,3cyclictest41-21ksoftirqd/300:10:133
31081993328,3cyclictest33-21ksoftirqd/223:00:002
31081993328,3cyclictest33-21ksoftirqd/222:05:472
31081993328,3cyclictest33-21ksoftirqd/220:19:342
31081993328,3cyclictest33-21ksoftirqd/219:35:162
31081993327,3cyclictest33-21ksoftirqd/222:45:002
31081993327,3cyclictest33-21ksoftirqd/222:20:012
31081993327,3cyclictest33-21ksoftirqd/220:20:132
31081993322,9cyclictest33-21ksoftirqd/221:15:142
31079993328,3cyclictest9-21ksoftirqd/023:05:200
31079993328,3cyclictest9-21ksoftirqd/021:25:320
31079993328,3cyclictest9-21ksoftirqd/019:35:200
31079993328,3cyclictest9-21ksoftirqd/019:28:090
31079993328,3cyclictest9-21ksoftirqd/019:28:090
31079993328,3cyclictest9-21ksoftirqd/000:27:410
31079993328,3cyclictest9-21ksoftirqd/000:27:410
31079993327,4cyclictest9-21ksoftirqd/023:15:040
31079993327,4cyclictest9-21ksoftirqd/023:15:040
31079993327,4cyclictest9-21ksoftirqd/020:26:240
31082993227,3cyclictest41-21ksoftirqd/322:45:123
31082993226,4cyclictest41-21ksoftirqd/323:43:023
31082993226,4cyclictest41-21ksoftirqd/323:24:483
31082993226,4cyclictest41-21ksoftirqd/321:57:003
31082993226,4cyclictest41-21ksoftirqd/321:35:213
31081993221,10cyclictest33-21ksoftirqd/219:45:222
31079993228,2cyclictest9-21ksoftirqd/023:40:200
31079993227,3cyclictest9-21ksoftirqd/021:40:130
31079993227,3cyclictest9-21ksoftirqd/019:45:540
31079993226,4cyclictest9-21ksoftirqd/023:47:370
31079993226,4cyclictest9-21ksoftirqd/019:58:420
31079993226,3cyclictest9-21ksoftirqd/022:15:140
31079993225,4cyclictest9-21ksoftirqd/019:20:470
31079993225,4cyclictest9-21ksoftirqd/019:20:470
139291320,0ptp4l401ktimersoftd/322:33:223
31082993126,3cyclictest41-21ksoftirqd/320:45:063
31082993126,3cyclictest41-21ksoftirqd/319:58:333
31082993126,3cyclictest41-21ksoftirqd/300:05:573
31082993125,4cyclictest41-21ksoftirqd/319:34:543
31082993124,4cyclictest41-21ksoftirqd/323:55:123
31079993126,3cyclictest9-21ksoftirqd/000:06:080
31079993125,4cyclictest9-21ksoftirqd/022:30:140
31079993125,4cyclictest9-21ksoftirqd/000:23:240
31079993124,4cyclictest9-21ksoftirqd/022:07:080
31079993124,4cyclictest9-21ksoftirqd/019:15:130
31081993025,3cyclictest33-21ksoftirqd/223:55:012
31081993019,10cyclictest33-21ksoftirqd/219:55:262
31079993026,2cyclictest9-21ksoftirqd/022:40:000
31079993025,3cyclictest9-21ksoftirqd/021:35:210
31079993024,4cyclictest9-21ksoftirqd/000:03:410
31082992924,3cyclictest41-21ksoftirqd/300:31:233
31081992923,4cyclictest33-21ksoftirqd/221:41:062
31079992924,3cyclictest9-21ksoftirqd/021:00:160
31079992924,3cyclictest9-21ksoftirqd/020:35:290
31079992924,3cyclictest9-21ksoftirqd/019:30:210
31079992923,3cyclictest9-21ksoftirqd/021:50:190
31082992823,3cyclictest41-21ksoftirqd/320:29:313
31079992823,3cyclictest9-21ksoftirqd/022:40:110
31079992822,4cyclictest9-21ksoftirqd/022:00:330
31079992822,4cyclictest9-21ksoftirqd/020:06:540
31079992722,3cyclictest9-21ksoftirqd/020:16:560
31079992721,4cyclictest9-21ksoftirqd/022:23:220
31082992621,3cyclictest41-21ksoftirqd/320:02:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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