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2026-06-22 - 14:20
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Mon Jun 22, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911570,8ptp4l11459-21kworker/3:120:53:043
17787997255,8cyclictest41-21ksoftirqd/301:06:173
175322654,10sleep00-21swapper/020:54:120
106891610,1ptp4l401ktimersoftd/323:12:153
17787996047,6cyclictest41-21ksoftirqd/322:11:153
175342604,10sleep20-21swapper/220:54:142
17787995948,6cyclictest41-21ksoftirqd/323:56:143
17787995947,6cyclictest41-21ksoftirqd/321:41:123
236022580,4sleep31778799cyclictest23:41:203
106891570,1ptp4l401ktimersoftd/300:50:203
17787995643,6cyclictest41-21ksoftirqd/321:31:123
42492530,4sleep31778799cyclictest00:26:333
17787995239,6cyclictest41-21ksoftirqd/322:41:133
237902510,2sleep00-21swapper/000:46:340
1777099506,11cyclictest9-21ksoftirqd/022:56:240
17770995020,6cyclictest9-21ksoftirqd/001:01:500
17787994941,4cyclictest41-21ksoftirqd/301:46:093
1777099496,6cyclictest5492-21unixbench_multi22:41:300
1777099487,9cyclictest9-21ksoftirqd/000:11:210
1777099487,9cyclictest9-21ksoftirqd/000:11:210
17770994812,4cyclictest31671-21phc2sys21:21:210
1777099476,9cyclictest9-21ksoftirqd/002:11:260
1777099476,9cyclictest9-21ksoftirqd/001:21:340
1777099476,9cyclictest9-21ksoftirqd/001:16:060
1777099472,8cyclictest9-21ksoftirqd/001:36:210
1777099465,7cyclictest9-21ksoftirqd/001:46:050
1777099465,10cyclictest9-21ksoftirqd/001:46:370
1777099465,10cyclictest9-21ksoftirqd/001:36:050
291422450,1sleep30-21swapper/300:52:033
17787994521,7cyclictest41-21ksoftirqd/302:16:283
1777099459,9cyclictest9-21ksoftirqd/023:16:200
1777099457,6cyclictest4125-21sed23:21:220
1777099457,4cyclictest10684-21diskmemload00:31:040
1777099456,11cyclictest9-21ksoftirqd/023:36:340
1777099454,10cyclictest26277-21grep21:11:150
17770994517,11cyclictest9-21ksoftirqd/022:16:160
17787994430,6cyclictest41-21ksoftirqd/300:11:153
17787994430,6cyclictest41-21ksoftirqd/300:11:153
1777099447,7cyclictest9-21ksoftirqd/023:46:210
1777099447,7cyclictest9-21ksoftirqd/023:41:170
1777099447,5cyclictest9-21ksoftirqd/023:06:270
1777099446,7cyclictest9-21ksoftirqd/023:15:170
1777099446,6cyclictest906-21ssh00:56:280
1777099446,6cyclictest7946-21grep21:41:160
1777099446,6cyclictest32115-21modprobe22:31:160
1777099446,6cyclictest32115-21modprobe22:31:160
1777099445,8cyclictest9-21ksoftirqd/002:16:350
1777099445,8cyclictest9-21ksoftirqd/001:11:320
1777099444,7cyclictest9-21ksoftirqd/020:56:160
1777099442,7cyclictest9-21ksoftirqd/000:06:040
1777099437,6cyclictest9-21ksoftirqd/023:31:300
1777099436,9cyclictest11941-21ssh00:36:040
1777099436,7cyclictest9-21ksoftirqd/000:51:260
1777099436,6cyclictest4363-21sed21:31:280
1777099435,9cyclictest9-21ksoftirqd/001:06:290
1777099435,6cyclictest16272-21grep21:56:280
1777099433,7cyclictest9-21ksoftirqd/022:56:020
1777099430,7cyclictest101ktimersoftd/022:01:280
1777099430,5cyclictest101ktimersoftd/022:06:240
1777099426,7cyclictest10684-21diskmemload00:16:150
1777099425,8cyclictest9-21ksoftirqd/000:01:200
1777099425,7cyclictest9-21ksoftirqd/000:36:220
1777099425,6cyclictest9-21ksoftirqd/023:30:180
1777099425,5cyclictest27361-21awk22:21:160
1777099424,9cyclictest9-21ksoftirqd/001:56:200
1777099424,9cyclictest9-21ksoftirqd/001:56:200
1777099424,9cyclictest9-21ksoftirqd/000:41:210
1777099424,8cyclictest9-21ksoftirqd/022:16:000
1777099424,7cyclictest0-21swapper/022:26:200
1777099424,7cyclictest0-21swapper/022:26:200
1777099424,4cyclictest2003-21/usr/sbin/munin22:36:180
1777099424,10cyclictest9-21ksoftirqd/001:51:250
1777099423,7cyclictest9-21ksoftirqd/023:51:170
17787994115,6cyclictest41-21ksoftirqd/322:26:223
17787994115,6cyclictest41-21ksoftirqd/322:26:223
1778199412,7cyclictest0-21swapper/221:01:112
1777099416,5cyclictest9-21ksoftirqd/002:06:330
1777099415,7cyclictest9-21ksoftirqd/021:06:270
1777099415,7cyclictest9-21ksoftirqd/002:21:340
1777099415,6cyclictest12302-21acpi21:51:110
1777099415,4cyclictest9-21ksoftirqd/023:56:140
1777099414,8cyclictest9-21ksoftirqd/002:01:200
1777099414,6cyclictest9-21ksoftirqd/023:02:380
1777099413,8cyclictest0-21swapper/021:16:090
1777099413,7cyclictest9-21ksoftirqd/000:21:210
1587824120,9sleep10-21swapper/120:51:141
1777099406,6cyclictest1246-21cut21:26:170
1777099403,8cyclictest9-21ksoftirqd/001:26:210
1778199391,6cyclictest28201-21phc2sys00:51:252
1777099395,8cyclictest9-21ksoftirqd/022:46:290
1777099392,6cyclictest9-21ksoftirqd/021:01:020
1777099390,6cyclictest0-21swapper/021:46:150
106891390,1ptp4l401ktimersoftd/323:33:273
106891390,1ptp4l401ktimersoftd/301:05:293
106891390,1ptp4l401ktimersoftd/300:01:253
1778199389,25cyclictest409-21cpuspeed_turbos23:51:152
1778199381,3cyclictest17389-21ssh00:07:002
1777099381,7cyclictest0-21swapper/021:36:110
106891380,1ptp4l401ktimersoftd/323:52:043
106891380,1ptp4l401ktimersoftd/323:29:193
106891380,1ptp4l401ktimersoftd/323:24:373
106891380,1ptp4l401ktimersoftd/302:07:413
106891380,1ptp4l401ktimersoftd/301:56:323
106891380,1ptp4l401ktimersoftd/301:56:323
106891380,1ptp4l401ktimersoftd/301:36:153
106891380,1ptp4l401ktimersoftd/300:56:083
106891380,1ptp4l401ktimersoftd/300:23:583
106891380,0ptp4l401ktimersoftd/323:01:113
17781993715,3cyclictest2666-21ps22:36:232
17774993717,11cyclictest47050irq/101-ens3-Tx00:56:161
106891370,1ptp4l401ktimersoftd/323:38:403
106891370,1ptp4l401ktimersoftd/323:20:113
106891370,1ptp4l401ktimersoftd/321:11:263
106891370,1ptp4l401ktimersoftd/302:12:173
106891370,1ptp4l401ktimersoftd/301:42:183
106891370,1ptp4l401ktimersoftd/301:18:383
106891370,1ptp4l401ktimersoftd/300:42:523
106891370,1ptp4l401ktimersoftd/300:39:093
106891370,1ptp4l401ktimersoftd/300:18:483
106891370,1ptp4l401ktimersoftd/300:06:463
106891370,0ptp4l401ktimersoftd/301:33:253
17787993628,4cyclictest41-21ksoftirqd/322:56:143
17787993612,3cyclictest41-21ksoftirqd/301:14:083
17781993618,15cyclictest33-21ksoftirqd/221:18:392
17781993615,3cyclictest15747-21sh00:39:192
17781993613,4cyclictest21578-21sh01:17:322
17781993612,4cyclictest330-21sh23:16:512
106891360,1ptp4l401ktimersoftd/302:22:383
106891360,1ptp4l401ktimersoftd/302:01:443
106891360,1ptp4l401ktimersoftd/301:24:423
106891360,1ptp4l401ktimersoftd/300:34:263
106891360,0ptp4l401ktimersoftd/321:39:413
106891360,0ptp4l401ktimersoftd/321:30:453
17787993530,3cyclictest41-21ksoftirqd/321:00:593
17781993511,4cyclictest7396-21sh00:31:162
17781993511,4cyclictest3949-21ls22:41:152
17781993511,4cyclictest10684-21diskmemload01:55:502
17787993428,4cyclictest41-21ksoftirqd/323:06:263
17787993428,3cyclictest41-21ksoftirqd/301:51:493
1778199343,7cyclictest24452-21apt-get22:16:152
17781993416,4cyclictest33-21ksoftirqd/220:57:352
17781993413,3cyclictest3730-21processes00:26:262
17781993412,3cyclictest28529-21sh01:57:172
17781993412,3cyclictest28529-21sh01:57:172
17781993412,3cyclictest17582-21sh01:46:302
17781993411,3cyclictest838-21tr00:56:272
17781993410,3cyclictest29927-21/usr/sbin/munin00:21:292
106891340,1ptp4l401ktimersoftd/323:49:493
106891340,1ptp4l401ktimersoftd/322:51:013
1778799334,3cyclictest121rcu_preempt22:35:153
1778799334,3cyclictest121rcu_preempt22:35:153
17787993326,4cyclictest41-21ksoftirqd/322:16:153
17781993326,4cyclictest12917-21cron02:16:062
17781993313,3cyclictest20818-21sh00:44:362
17781993312,4cyclictest9663-21cron21:46:002
17781993312,4cyclictest25275-21cstates00:16:172
17781993312,3cyclictest30303-21sh23:15:572
17781993312,3cyclictest20465-21sh02:22:192
17781993311,3cyclictest25128-21sh23:10:292
106891330,1ptp4l401ktimersoftd/321:46:153
106891330,1ptp4l401ktimersoftd/321:21:213
31362320,2sleep10-21swapper/121:31:151
1778799325,3cyclictest121rcu_preempt22:04:363
17787993227,3cyclictest41-21ksoftirqd/321:05:593
17781993211,4cyclictest15830-21sh23:01:032
106891320,2ptp4l11832-21kworker/3:021:56:413
17787993125,3cyclictest41-21ksoftirqd/301:26:343
17774993124,5cyclictest25-21ksoftirqd/123:06:271
1517223123,3sleep125-21ksoftirqd/123:00:201
106891310,1ptp4l401ktimersoftd/321:55:493
106891310,0ptp4l401ktimersoftd/322:51:293
17787993025,3cyclictest41-21ksoftirqd/321:10:593
1777499308,19cyclictest28077-21sh23:12:091
17774993024,3cyclictest25-21ksoftirqd/121:31:001
17781992912,4cyclictest23330-21sh00:13:452
17781992912,4cyclictest23330-21sh00:13:452
17774992924,3cyclictest25-21ksoftirqd/100:06:031
17774992923,3cyclictest25-21ksoftirqd/101:31:181
17787992822,3cyclictest41-21ksoftirqd/322:41:013
1778799281,4cyclictest41-21ksoftirqd/322:06:133
17781992823,3cyclictest33-21ksoftirqd/202:06:062
1777499283,14cyclictest27018-21sh00:51:161
17774992823,3cyclictest25-21ksoftirqd/123:26:021
17774992823,3cyclictest25-21ksoftirqd/100:01:031
17774992822,4cyclictest12947-21kworker/1:001:36:211
17774992821,4cyclictest25-21ksoftirqd/101:06:181
17787992722,3cyclictest41-21ksoftirqd/321:16:143
17787992721,3cyclictest41-21ksoftirqd/322:21:043
17781992720,4cyclictest33-21ksoftirqd/223:41:142
17774992722,3cyclictest25-21ksoftirqd/123:31:251
17774992722,3cyclictest25-21ksoftirqd/123:26:161
17774992722,3cyclictest25-21ksoftirqd/121:16:171
17774992722,3cyclictest25-21ksoftirqd/101:56:251
17774992722,3cyclictest25-21ksoftirqd/101:56:251
17774992722,3cyclictest25-21ksoftirqd/100:46:241
17774992721,3cyclictest25-21ksoftirqd/122:19:581
17781992620,3cyclictest33-21ksoftirqd/201:26:382
17774992621,3cyclictest25-21ksoftirqd/123:16:211
17774992621,3cyclictest25-21ksoftirqd/122:56:011
17774992621,3cyclictest25-21ksoftirqd/121:41:221
17774992621,3cyclictest25-21ksoftirqd/101:21:241
17774992621,3cyclictest25-21ksoftirqd/100:31:221
17774992620,3cyclictest25-21ksoftirqd/122:13:221
17774992620,3cyclictest25-21ksoftirqd/122:06:181
17774992619,4cyclictest25-21ksoftirqd/122:40:401
17774992618,6cyclictest25-21ksoftirqd/123:01:181
1778199252,19cyclictest9224-21apt-get01:06:172
17781992519,3cyclictest33-21ksoftirqd/223:37:142
17781992518,4cyclictest33-21ksoftirqd/222:53:422
17781992518,4cyclictest33-21ksoftirqd/201:22:132
17774992520,3cyclictest25-21ksoftirqd/123:41:031
17774992520,3cyclictest25-21ksoftirqd/102:01:231
17774992520,3cyclictest25-21ksoftirqd/101:46:051
17774992520,3cyclictest25-21ksoftirqd/101:11:221
17774992519,3cyclictest25-21ksoftirqd/122:01:171
17774992519,3cyclictest25-21ksoftirqd/101:01:221
17774992519,3cyclictest25-21ksoftirqd/100:06:061
17774992518,5cyclictest25-21ksoftirqd/101:46:171
50632240,20sleep15154-21ssh02:06:331
17781992418,3cyclictest33-21ksoftirqd/222:03:012
17781992418,3cyclictest33-21ksoftirqd/202:08:302
17781992417,4cyclictest33-21ksoftirqd/222:46:392
17781992417,4cyclictest33-21ksoftirqd/222:22:262
17781992417,4cyclictest33-21ksoftirqd/222:15:242
17774992419,3cyclictest25-21ksoftirqd/123:46:231
17774992419,3cyclictest25-21ksoftirqd/123:41:221
17774992419,3cyclictest25-21ksoftirqd/122:21:171
17774992419,3cyclictest25-21ksoftirqd/121:56:131
17774992419,3cyclictest25-21ksoftirqd/102:11:181
17774992419,3cyclictest25-21ksoftirqd/100:16:151
17774992418,3cyclictest25-21ksoftirqd/122:26:171
17774992418,3cyclictest25-21ksoftirqd/122:26:171
17774992418,3cyclictest25-21ksoftirqd/121:06:181
17774992416,5cyclictest25-21ksoftirqd/100:26:151
17781992316,4cyclictest33-21ksoftirqd/221:36:212
17781992316,4cyclictest33-21ksoftirqd/221:32:562
17774992319,3cyclictest25-21ksoftirqd/121:11:171
17774992318,3cyclictest25-21ksoftirqd/122:31:111
17774992318,3cyclictest25-21ksoftirqd/122:31:111
17774992318,3cyclictest25-21ksoftirqd/101:18:201
17774992318,3cyclictest25-21ksoftirqd/100:26:041
17774992317,3cyclictest25-21ksoftirqd/121:51:191
17774992317,3cyclictest25-21ksoftirqd/121:39:091
17774992317,3cyclictest25-21ksoftirqd/101:26:251
17774992316,4cyclictest25-21ksoftirqd/100:36:211
1778199222,11cyclictest6243-21ssh01:36:172
17781992216,3cyclictest33-21ksoftirqd/222:35:142
17781992216,3cyclictest33-21ksoftirqd/222:35:142
17781992216,3cyclictest12057-21ssh23:29:592
17781992215,4cyclictest4829-21sed01:01:202
17781992215,4cyclictest33-21ksoftirqd/221:54:242
1778199221,3cyclictest9221-21ssh00:00:122
1778199221,18cyclictest15535-21snmp_o5powerctl01:11:292
1778199220,3cyclictest17593-21sh02:20:472
17774992217,3cyclictest25-21ksoftirqd/123:51:251
17774992217,3cyclictest25-21ksoftirqd/121:50:411
17774992217,3cyclictest25-21ksoftirqd/102:21:341
17774992216,3cyclictest25-21ksoftirqd/100:11:211
17774992216,3cyclictest25-21ksoftirqd/100:11:211
17774992215,4cyclictest14543-21sh02:16:281
1778199212,16cyclictest23906-21head00:46:342
17781992116,3cyclictest0-21swapper/223:21:192
17781992115,3cyclictest33-21ksoftirqd/222:09:152
17781992115,3cyclictest12459-21mailstats22:56:242
17781992114,4cyclictest32114-21unixbench-2d21:21:292
1778199211,3cyclictest14971-21ssh23:31:352
17774992116,3cyclictest25-21ksoftirqd/120:56:581
17774992116,3cyclictest25-21ksoftirqd/100:41:041
17774992115,3cyclictest25-21ksoftirqd/121:21:111
17781992015,3cyclictest33-21ksoftirqd/221:09:322
17781992014,3cyclictest33-21ksoftirqd/221:47:132
17781992013,4cyclictest31983-21sh23:50:272
17781992013,4cyclictest2814-21snmp_o5powerctl01:31:302
17781992013,4cyclictest25751-21cat21:11:102
17781992013,4cyclictest15054-21sh01:44:522
1778199201,16cyclictest11621-21/usr/sbin/munin00:01:322
17774992014,3cyclictest25-21ksoftirqd/122:46:191
17774992014,3cyclictest25-21ksoftirqd/122:41:151
17774992014,3cyclictest24843-21sh01:54:191
17781991913,3cyclictest33-21ksoftirqd/221:26:102
17781991912,4cyclictest29516-21fschecks_count22:26:152
17781991912,4cyclictest29516-21fschecks_count22:26:152
1777499191,15cyclictest20539-21expr21:01:001
17781991811,4cyclictest14929-21expr21:56:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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