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2026-05-17 - 13:53
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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 rackdslot3.osadl.org (updated Sun May 17, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104182215167,37sleep20-21swapper/219:07:592
139491206173,22phc2sys0-21swapper/319:05:493
104472202169,22sleep10-21swapper/119:08:231
105032201168,22sleep00-21swapper/019:09:060
2558421770,6sleep11086699cyclictest19:40:151
2896021630,7sleep01086599cyclictest00:15:250
57898910,70rtkit-daemon0-21swapper/219:10:012
1086599552,10cyclictest3942-21sed23:25:140
1086599540,15cyclictest1266-21mailstats19:55:230
225562520,2sleep00-21swapper/019:35:000
225562520,2sleep00-21swapper/019:35:000
253142510,1sleep30-21swapper/320:45:243
139391510,1ptp4l401ktimersoftd/321:10:183
10865995146,3cyclictest923-21sh23:20:010
1086599492,9cyclictest12516-21idleruntime22:35:170
1086599491,10cyclictest30024-21cat19:50:130
10867994742,3cyclictest26105-21sh20:50:012
139391420,0ptp4l401ktimersoftd/323:55:323
139391420,0ptp4l401ktimersoftd/319:40:213
139391420,0ptp4l401ktimersoftd/300:35:173
10867994224,17cyclictest33-21ksoftirqd/222:55:002
139391410,1ptp4l401ktimersoftd/323:41:333
10866994136,2cyclictest25-21ksoftirqd/120:40:011
1086699411,37cyclictest27356-21cron00:15:001
10865994135,3cyclictest17453-21irqrtprio20:30:190
10866994034,3cyclictest25-21ksoftirqd/120:15:001
1086599406,4cyclictest9-21ksoftirqd/000:09:310
1086599403,4cyclictest0-21swapper/020:30:010
1086599402,9cyclictest26811-21unixbench_singl21:55:280
1086599401,16cyclictest9572-21/usr/sbin/munin21:20:240
1086599400,7cyclictest13771-21hddtemp_smartct19:15:170
1086599400,7cyclictest10694-21meminfo20:15:190
1086599400,5cyclictest9-21ksoftirqd/020:50:120
10868993910,3cyclictest221452iwlist20:40:173
10866993935,2cyclictest25-21ksoftirqd/100:20:001
10866993934,3cyclictest25-21ksoftirqd/122:50:011
10866993934,3cyclictest25-21ksoftirqd/100:40:011
1086599391,7cyclictest32018-21irqstats21:00:200
1086599390,8cyclictest29355-21iostat20:55:190
1086599390,8cyclictest24402-21fschecks_count20:45:150
1086599390,8cyclictest12037-21python21:25:260
1086599390,7cyclictest23835-21meminfo19:35:190
1086599390,7cyclictest21933-21df_inode20:40:150
1086599390,5cyclictest9-21ksoftirqd/021:45:230
1086599390,10cyclictest4869-21grep22:20:130
10866993833,3cyclictest25-21ksoftirqd/123:45:001
10866993833,3cyclictest25-21ksoftirqd/119:50:011
10866993833,3cyclictest14200-21ls20:25:001
1086599380,7cyclictest18661-21irqstats21:40:190
1086599380,7cyclictest18146-21df23:55:140
10868993730,4cyclictest41-21ksoftirqd/320:39:383
10868993730,4cyclictest41-21ksoftirqd/319:16:383
10867993731,4cyclictest33-21ksoftirqd/220:11:492
10867993731,4cyclictest19868-21turbostat21:45:002
10866993732,3cyclictest25-21ksoftirqd/121:45:191
10866993732,3cyclictest25-21ksoftirqd/121:05:001
10866993732,3cyclictest25-21ksoftirqd/120:35:011
10866993731,3cyclictest25-21ksoftirqd/119:50:141
10865993731,4cyclictest9-21ksoftirqd/019:50:010
1086599370,6cyclictest7870-21iostat22:25:200
139391360,0ptp4l401ktimersoftd/323:49:563
10868993630,4cyclictest41-21ksoftirqd/320:26:343
10868993629,4cyclictest41-21ksoftirqd/323:17:143
10867993631,3cyclictest33-21ksoftirqd/221:06:552
10867993631,3cyclictest17614-21cron23:55:002
10867993630,4cyclictest33-21ksoftirqd/222:15:482
10867993630,3cyclictest20054-21latency_hist23:59:592
10866993631,3cyclictest25-21ksoftirqd/123:58:241
10866993631,3cyclictest25-21ksoftirqd/122:29:591
10866993631,3cyclictest25-21ksoftirqd/122:20:011
10866993631,3cyclictest25-21ksoftirqd/122:04:591
10866993631,3cyclictest25-21ksoftirqd/121:20:191
10866993631,3cyclictest25-21ksoftirqd/119:35:001
10866993631,3cyclictest25-21ksoftirqd/119:35:001
10866993630,4cyclictest25-21ksoftirqd/121:37:531
1086599361,5cyclictest9-21ksoftirqd/021:10:160
1086599360,7cyclictest411-21hddtemp_smartct00:25:180
10868993529,3cyclictest41-21ksoftirqd/323:29:593
10867993531,3cyclictest33-21ksoftirqd/222:05:162
10867993531,3cyclictest33-21ksoftirqd/222:05:152
10867993529,4cyclictest33-21ksoftirqd/223:37:122
10867993529,4cyclictest33-21ksoftirqd/222:48:052
10867993529,4cyclictest33-21ksoftirqd/222:38:432
10867993529,4cyclictest33-21ksoftirqd/221:12:092
10867993529,4cyclictest33-21ksoftirqd/220:51:242
10867993529,4cyclictest33-21ksoftirqd/219:52:512
10867993529,4cyclictest33-21ksoftirqd/200:30:062
10866993530,3cyclictest25-21ksoftirqd/123:00:001
10866993530,3cyclictest25-21ksoftirqd/120:19:591
10866993530,3cyclictest25-21ksoftirqd/119:40:001
10866993530,2cyclictest25-21ksoftirqd/121:15:181
10866993529,4cyclictest25-21ksoftirqd/120:41:121
10866993529,4cyclictest25-21ksoftirqd/119:27:551
10866993529,3cyclictest25-21ksoftirqd/123:25:121
10866993529,3cyclictest25-21ksoftirqd/120:00:001
10865993528,4cyclictest9-21ksoftirqd/023:00:150
10868993428,4cyclictest41-21ksoftirqd/323:13:493
10868993428,4cyclictest41-21ksoftirqd/322:34:513
10868993428,4cyclictest41-21ksoftirqd/321:31:253
10868993428,4cyclictest41-21ksoftirqd/320:30:353
10868993428,4cyclictest41-21ksoftirqd/319:38:363
10868993428,4cyclictest41-21ksoftirqd/319:25:533
10868993428,4cyclictest41-21ksoftirqd/300:34:103
10868993428,4cyclictest41-21ksoftirqd/300:00:433
10867993428,4cyclictest33-21ksoftirqd/221:02:272
10866993429,3cyclictest25-21ksoftirqd/123:20:001
10866993429,3cyclictest25-21ksoftirqd/122:22:261
10866993429,3cyclictest25-21ksoftirqd/121:52:531
10866993429,3cyclictest25-21ksoftirqd/121:45:011
10866993429,3cyclictest25-21ksoftirqd/120:08:511
10866993429,3cyclictest25-21ksoftirqd/119:15:011
10866993428,4cyclictest25-21ksoftirqd/123:47:051
10866993428,4cyclictest25-21ksoftirqd/122:40:591
10866993428,4cyclictest25-21ksoftirqd/122:36:461
10866993428,4cyclictest25-21ksoftirqd/122:33:281
10866993428,4cyclictest25-21ksoftirqd/121:31:231
10866993428,4cyclictest25-21ksoftirqd/120:26:321
10866993428,4cyclictest25-21ksoftirqd/119:19:051
10865993429,3cyclictest9-21ksoftirqd/023:20:210
10865993429,3cyclictest9-21ksoftirqd/019:15:010
1086599342,6cyclictest11136-21df_inode23:40:160
10868993328,3cyclictest41-21ksoftirqd/323:05:093
10868993328,3cyclictest41-21ksoftirqd/322:47:393
10868993327,4cyclictest41-21ksoftirqd/322:19:193
10868993327,4cyclictest41-21ksoftirqd/322:04:253
10868993327,4cyclictest41-21ksoftirqd/321:22:373
10868993327,4cyclictest41-21ksoftirqd/320:03:353
10868993327,4cyclictest41-21ksoftirqd/319:30:503
10868993327,4cyclictest41-21ksoftirqd/319:30:503
10868993327,4cyclictest41-21ksoftirqd/300:27:003
10868993327,3cyclictest41-21ksoftirqd/321:45:243
10868993326,5cyclictest41-21ksoftirqd/300:15:363
10868993325,6cyclictest41-21ksoftirqd/320:07:053
10867993329,3cyclictest33-21ksoftirqd/223:07:412
10867993328,3cyclictest33-21ksoftirqd/223:10:112
10867993328,3cyclictest33-21ksoftirqd/220:41:452
10867993328,3cyclictest33-21ksoftirqd/200:12:492
10867993327,4cyclictest33-21ksoftirqd/222:34:102
10867993327,4cyclictest33-21ksoftirqd/200:06:572
10866993330,2cyclictest25-21ksoftirqd/123:00:181
10866993330,2cyclictest25-21ksoftirqd/121:10:191
10866993329,2cyclictest25-21ksoftirqd/122:10:001
10866993329,2cyclictest25-21ksoftirqd/122:09:591
10866993328,3cyclictest25-21ksoftirqd/123:20:181
10866993328,3cyclictest25-21ksoftirqd/121:55:141
10866993328,3cyclictest25-21ksoftirqd/100:25:011
10866993328,2cyclictest25-21ksoftirqd/120:54:591
10866993327,4cyclictest25-21ksoftirqd/123:52:321
10866993327,4cyclictest25-21ksoftirqd/100:07:151
10865993329,3cyclictest9-21ksoftirqd/022:49:540
10865993328,3cyclictest9-21ksoftirqd/023:05:120
10865993328,3cyclictest9-21ksoftirqd/022:09:240
10865993328,3cyclictest9-21ksoftirqd/022:09:240
10865993328,3cyclictest9-21ksoftirqd/000:02:330
10865993327,4cyclictest9-21ksoftirqd/022:56:250
10865993327,4cyclictest9-21ksoftirqd/022:16:060
10865993327,4cyclictest9-21ksoftirqd/022:13:490
10865993327,4cyclictest9-21ksoftirqd/021:06:150
10865993327,4cyclictest9-21ksoftirqd/019:25:500
10865993327,4cyclictest9-21ksoftirqd/000:30:490
10865993326,4cyclictest9-21ksoftirqd/022:40:410
1086599331,4cyclictest9-21ksoftirqd/023:33:430
10868993227,3cyclictest41-21ksoftirqd/321:30:003
10868993226,4cyclictest41-21ksoftirqd/322:39:533
10868993226,4cyclictest41-21ksoftirqd/322:20:423
10868993226,4cyclictest41-21ksoftirqd/321:59:123
10868993226,4cyclictest41-21ksoftirqd/321:51:313
10868993226,4cyclictest41-21ksoftirqd/320:52:373
10868993212,3cyclictest27555-21/usr/sbin/munin19:45:223
10867993227,3cyclictest33-21ksoftirqd/220:55:242
10867993227,3cyclictest33-21ksoftirqd/220:36:252
10867993227,3cyclictest33-21ksoftirqd/220:05:392
10867993227,3cyclictest33-21ksoftirqd/219:18:582
10867993226,4cyclictest33-21ksoftirqd/223:20:192
10867993226,4cyclictest33-21ksoftirqd/221:26:462
10867993226,4cyclictest33-21ksoftirqd/219:41:122
10867993226,4cyclictest33-21ksoftirqd/219:20:542
10867993226,4cyclictest33-21ksoftirqd/200:22:162
10867993226,4cyclictest33-21ksoftirqd/200:01:472
10867993226,3cyclictest33-21ksoftirqd/220:15:122
10866993227,3cyclictest25-21ksoftirqd/121:29:591
10866993227,3cyclictest25-21ksoftirqd/120:00:181
10866993227,3cyclictest25-21ksoftirqd/119:20:181
10866993226,4cyclictest25-21ksoftirqd/120:48:101
10866993226,3cyclictest25-21ksoftirqd/123:05:091
1086599322,8cyclictest9-21ksoftirqd/019:40:050
1086599320,4cyclictest9-21ksoftirqd/023:14:140
1086899318,4cyclictest8936-21unixbench_singl22:25:293
10868993126,3cyclictest41-21ksoftirqd/319:50:483
10868993125,4cyclictest41-21ksoftirqd/321:43:123
10868993125,4cyclictest41-21ksoftirqd/319:55:413
10868993124,4cyclictest41-21ksoftirqd/320:21:333
10867993126,3cyclictest33-21ksoftirqd/222:03:512
10867993126,3cyclictest33-21ksoftirqd/220:21:232
10867993125,4cyclictest33-21ksoftirqd/223:18:432
10867993125,4cyclictest33-21ksoftirqd/222:25:392
10867993125,4cyclictest33-21ksoftirqd/221:45:112
10867993125,4cyclictest33-21ksoftirqd/221:32:202
10867993125,4cyclictest33-21ksoftirqd/220:32:032
10867993125,4cyclictest33-21ksoftirqd/220:04:192
10867993125,4cyclictest33-21ksoftirqd/219:58:562
10866993127,3cyclictest25-21ksoftirqd/100:25:161
10866993127,3cyclictest25-21ksoftirqd/100:00:201
10866993127,2cyclictest25-21ksoftirqd/123:15:001
10866993126,3cyclictest25-21ksoftirqd/121:10:011
10866993125,4cyclictest25-21ksoftirqd/123:35:021
10866993125,3cyclictest25-21ksoftirqd/122:50:191
10865993126,3cyclictest9-21ksoftirqd/023:51:560
10865993125,4cyclictest9-21ksoftirqd/023:35:300
10865993125,4cyclictest9-21ksoftirqd/020:35:450
10865993125,3cyclictest9-21ksoftirqd/000:36:360
10865993124,4cyclictest9-21ksoftirqd/022:02:070
10868993025,3cyclictest41-21ksoftirqd/321:37:433
10868993025,3cyclictest41-21ksoftirqd/320:19:233
10868993025,3cyclictest41-21ksoftirqd/320:10:593
10867993025,3cyclictest33-21ksoftirqd/221:20:352
10867993024,4cyclictest33-21ksoftirqd/223:34:472
10867993024,4cyclictest33-21ksoftirqd/221:56:512
10867993024,4cyclictest33-21ksoftirqd/219:32:012
10867993024,4cyclictest33-21ksoftirqd/219:32:012
10867993024,4cyclictest33-21ksoftirqd/219:29:132
10866993025,3cyclictest25-21ksoftirqd/122:10:181
10866993025,3cyclictest25-21ksoftirqd/120:59:591
10866993025,3cyclictest25-21ksoftirqd/100:32:491
10865993024,4cyclictest9-21ksoftirqd/019:21:400
10868992925,3cyclictest41-21ksoftirqd/323:35:123
10868992924,3cyclictest41-21ksoftirqd/300:11:353
10868992923,4cyclictest41-21ksoftirqd/321:17:133
10868992923,4cyclictest41-21ksoftirqd/321:05:133
10868992923,4cyclictest41-21ksoftirqd/319:10:363
10867992923,4cyclictest33-21ksoftirqd/223:44:542
10867992923,4cyclictest33-21ksoftirqd/222:57:572
10867992923,4cyclictest33-21ksoftirqd/220:27:292
10867992923,4cyclictest33-21ksoftirqd/219:38:592
10867992923,4cyclictest33-21ksoftirqd/200:17:032
10867992918,9cyclictest33-21ksoftirqd/222:20:192
10866992924,3cyclictest25-21ksoftirqd/123:30:191
10865992925,3cyclictest9-21ksoftirqd/022:52:360
10865992923,4cyclictest9-21ksoftirqd/022:30:110
10865992923,4cyclictest9-21ksoftirqd/020:14:320
10865992923,4cyclictest9-21ksoftirqd/020:01:440
1086599291,4cyclictest9-21ksoftirqd/021:37:130
10868992824,3cyclictest41-21ksoftirqd/319:20:123
10868992823,3cyclictest41-21ksoftirqd/323:01:333
10868992823,3cyclictest41-21ksoftirqd/322:50:123
10868992822,4cyclictest41-21ksoftirqd/323:21:483
10868992811,2cyclictest15780-21df23:50:153
10867992823,3cyclictest33-21ksoftirqd/222:41:452
10867992822,4cyclictest33-21ksoftirqd/221:18:122
10865992823,3cyclictest9-21ksoftirqd/023:46:170
10868992722,3cyclictest41-21ksoftirqd/323:31:143
10868992722,3cyclictest41-21ksoftirqd/322:41:013
10867992722,3cyclictest33-21ksoftirqd/223:00:382
10867992721,4cyclictest33-21ksoftirqd/223:26:012
10867992721,4cyclictest33-21ksoftirqd/221:38:302
10865992722,3cyclictest9-21ksoftirqd/020:07:460
10865992721,4cyclictest9-21ksoftirqd/000:14:170
10868992621,3cyclictest41-21ksoftirqd/322:57:193
10868992621,3cyclictest41-21ksoftirqd/322:11:043
10868992621,3cyclictest41-21ksoftirqd/322:08:123
10868992621,3cyclictest41-21ksoftirqd/322:08:123
10867992621,3cyclictest33-21ksoftirqd/223:45:132
10867992621,3cyclictest33-21ksoftirqd/200:35:462
10867992621,3cyclictest33-21ksoftirqd/200:26:152
10867992620,4cyclictest33-21ksoftirqd/219:47:142
1086599263,5cyclictest9-21ksoftirqd/020:24:280
10868992520,3cyclictest41-21ksoftirqd/321:00:083
10868992520,3cyclictest41-21ksoftirqd/320:57:373
10868992520,3cyclictest41-21ksoftirqd/300:23:583
10867992521,2cyclictest33-21ksoftirqd/221:50:232
1086599254,6cyclictest9-21ksoftirqd/021:15:590
10865992519,4cyclictest9-21ksoftirqd/021:50:060
139391240,0ptp4l401ktimersoftd/300:05:143
10867992418,4cyclictest33-21ksoftirqd/222:12:392
1086599234,5cyclictest9-21ksoftirqd/021:30:180
1086599227,8cyclictest9-21ksoftirqd/000:24:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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