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2026-04-18 - 14:46
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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 Sat Apr 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1029421620,3sleep11997999cyclictest22:12:251
3017121480,3sleep31999099cyclictest01:20:323
1068911030,4ptp4l401ktimersoftd/320:17:563
106891680,1ptp4l401ktimersoftd/322:23:213
106891670,1ptp4l401ktimersoftd/300:25:013
64732630,5sleep26477-21gltestperf22:05:192
27812610,2sleep00-21swapper/023:47:030
260042600,4sleep226009-21fschecks_time20:30:162
14172600,2sleep20-21swapper/200:51:042
106891580,1ptp4l401ktimersoftd/323:51:003
32382560,2sleep20-21swapper/223:47:492
277392550,5sleep2321ktimersoftd/200:45:262
277392550,5sleep2321ktimersoftd/200:45:262
216482550,3sleep01997099cyclictest22:28:130
177262554,10sleep20-21swapper/220:15:092
106891550,1ptp4l401ktimersoftd/300:47:173
106891550,1ptp4l401ktimersoftd/300:47:173
106891540,1ptp4l401ktimersoftd/301:42:083
23002530,2sleep10-21swapper/121:55:221
106891530,1ptp4l401ktimersoftd/322:33:563
106891530,1ptp4l401ktimersoftd/321:35:283
19986995243,4cyclictest33-21ksoftirqd/221:40:152
221312500,2sleep10-21swapper/122:29:031
195532494,33sleep10-21swapper/120:16:051
19986994839,4cyclictest33-21ksoftirqd/200:35:202
19979994842,3cyclictest25-21ksoftirqd/100:45:201
19979994842,3cyclictest25-21ksoftirqd/100:45:201
74892470,2sleep37448-21ssh22:45:353
19986994738,5cyclictest33-21ksoftirqd/221:50:162
19970994538,4cyclictest9-21ksoftirqd/000:40:190
19986994438,3cyclictest33-21ksoftirqd/223:30:112
19986994436,4cyclictest33-21ksoftirqd/222:45:092
106891440,1ptp4l401ktimersoftd/320:57:093
106891440,11ptp4l401ktimersoftd/300:40:163
19986994336,4cyclictest33-21ksoftirqd/200:20:112
19970994335,3cyclictest9-21ksoftirqd/000:30:190
106891430,1ptp4l401ktimersoftd/321:08:253
19970994134,3cyclictest9-21ksoftirqd/000:15:190
19986994031,5cyclictest33-21ksoftirqd/223:50:182
19986994029,9cyclictest33-21ksoftirqd/200:10:372
19986994014,3cyclictest33-21ksoftirqd/201:10:262
266572390,1sleep10-21swapper/122:33:201
106891390,1ptp4l401ktimersoftd/322:59:103
106891390,1ptp4l401ktimersoftd/300:02:123
106891380,1ptp4l401ktimersoftd/323:55:503
106891380,1ptp4l401ktimersoftd/323:43:323
106891380,1ptp4l401ktimersoftd/323:25:083
106891380,1ptp4l401ktimersoftd/323:15:283
106891380,1ptp4l401ktimersoftd/323:14:463
106891380,1ptp4l401ktimersoftd/322:40:283
106891380,1ptp4l401ktimersoftd/321:20:333
106891380,1ptp4l401ktimersoftd/321:20:333
106891380,1ptp4l401ktimersoftd/301:00:103
19986993725,9cyclictest33-21ksoftirqd/223:25:222
1998699371,3cyclictest121rcu_preempt01:20:242
19970993728,4cyclictest9-21ksoftirqd/023:00:180
106891370,1ptp4l401ktimersoftd/323:05:403
106891370,1ptp4l401ktimersoftd/323:05:403
106891370,1ptp4l401ktimersoftd/322:51:403
106891370,1ptp4l401ktimersoftd/322:26:133
106891370,1ptp4l401ktimersoftd/301:45:183
106891370,1ptp4l401ktimersoftd/301:32:283
106891370,1ptp4l401ktimersoftd/301:12:583
106891370,1ptp4l401ktimersoftd/301:07:563
106891370,1ptp4l401ktimersoftd/300:51:273
106891370,1ptp4l401ktimersoftd/300:33:023
106891370,1ptp4l401ktimersoftd/300:27:263
106891370,1ptp4l401ktimersoftd/300:17:393
106891370,1ptp4l401ktimersoftd/300:12:373
106891370,1ptp4l401ktimersoftd/300:09:433
106891370,0ptp4l401ktimersoftd/323:47:573
19986993630,3cyclictest33-21ksoftirqd/221:10:022
19986993622,10cyclictest33-21ksoftirqd/221:45:312
106891360,2ptp4l5248-21kworker/3:101:37:313
106891360,1ptp4l401ktimersoftd/301:26:583
106891360,1ptp4l401ktimersoftd/300:58:583
106891360,0ptp4l401ktimersoftd/323:36:393
19986993530,3cyclictest33-21ksoftirqd/222:20:182
19986993519,3cyclictest33-21ksoftirqd/201:20:092
19986993518,4cyclictest33-21ksoftirqd/200:25:232
19986993514,6cyclictest33-21ksoftirqd/223:55:232
106891350,2ptp4l8503-21kworker/3:020:31:343
106891350,1ptp4l401ktimersoftd/322:37:013
106891350,1ptp4l401ktimersoftd/300:35:173
106891350,0ptp4l401ktimersoftd/323:03:083
19986993428,3cyclictest33-21ksoftirqd/201:00:082
19986993427,4cyclictest33-21ksoftirqd/223:00:052
19986993424,3cyclictest33-21ksoftirqd/200:20:072
19986993422,9cyclictest33-21ksoftirqd/200:05:212
19986993421,3cyclictest33-21ksoftirqd/223:05:332
19986993421,3cyclictest33-21ksoftirqd/223:05:332
106891340,2ptp4l5248-21kworker/3:101:16:413
106891340,1ptp4l401ktimersoftd/323:30:143
106891340,1ptp4l401ktimersoftd/321:40:283
19986993328,3cyclictest33-21ksoftirqd/223:45:072
19986993328,3cyclictest33-21ksoftirqd/201:10:082
19986993327,3cyclictest33-21ksoftirqd/223:15:192
19986993327,3cyclictest33-21ksoftirqd/201:30:092
19986993319,3cyclictest33-21ksoftirqd/221:30:262
106891330,1ptp4l401ktimersoftd/321:25:283
60882320,2sleep10-21swapper/122:45:211
1998699326,3cyclictest121rcu_preempt01:45:102
19986993227,3cyclictest33-21ksoftirqd/222:20:052
19986993227,3cyclictest33-21ksoftirqd/221:20:032
19986993227,3cyclictest33-21ksoftirqd/221:20:032
19986993226,4cyclictest33-21ksoftirqd/201:00:232
19986993226,3cyclictest33-21ksoftirqd/223:35:192
19986993226,3cyclictest33-21ksoftirqd/220:45:032
19986993221,9cyclictest33-21ksoftirqd/222:10:332
19970993226,3cyclictest9-21ksoftirqd/022:45:050
106891320,1ptp4l401ktimersoftd/322:01:263
1998699316,3cyclictest33-21ksoftirqd/221:10:222
19986993126,3cyclictest33-21ksoftirqd/223:00:222
19986993126,3cyclictest33-21ksoftirqd/220:50:022
19986993126,3cyclictest33-21ksoftirqd/220:30:032
19986993126,2cyclictest33-21ksoftirqd/222:45:042
19986993125,3cyclictest33-21ksoftirqd/223:20:342
19986993125,3cyclictest33-21ksoftirqd/222:35:252
106891310,1ptp4l401ktimersoftd/321:52:153
106891310,1ptp4l401ktimersoftd/321:00:303
106891310,1ptp4l401ktimersoftd/320:54:133
1998699306,13cyclictest6058-21ssh01:30:202
19986993025,3cyclictest33-21ksoftirqd/221:35:202
19986993025,3cyclictest33-21ksoftirqd/220:40:032
19986993024,3cyclictest33-21ksoftirqd/222:30:182
19986993024,3cyclictest33-21ksoftirqd/221:30:032
19986993018,10cyclictest33-21ksoftirqd/223:10:322
1998699300,3cyclictest121rcu_preempt01:35:322
19979993017,7cyclictest241ktimersoftd/121:15:141
19979993017,7cyclictest241ktimersoftd/121:15:141
19970993025,3cyclictest9-21ksoftirqd/023:25:240
19970993021,5cyclictest9-21ksoftirqd/020:55:140
19970993017,8cyclictest9-21ksoftirqd/001:45:210
106891300,1ptp4l401ktimersoftd/323:21:353
106891300,1ptp4l401ktimersoftd/321:47:123
106891300,1ptp4l401ktimersoftd/320:49:493
106891300,0ptp4l401ktimersoftd/322:09:053
19986992924,3cyclictest33-21ksoftirqd/220:55:302
19986992924,3cyclictest33-21ksoftirqd/200:05:072
19986992923,3cyclictest33-21ksoftirqd/222:25:172
19986992923,3cyclictest33-21ksoftirqd/221:20:192
19986992923,3cyclictest33-21ksoftirqd/221:20:192
19986992923,3cyclictest33-21ksoftirqd/220:20:022
19970992923,3cyclictest9-21ksoftirqd/023:45:060
19970992923,3cyclictest9-21ksoftirqd/001:25:290
19970992921,4cyclictest9-21ksoftirqd/000:05:190
163322290,3sleep10-21swapper/101:06:331
106891290,8ptp4l401ktimersoftd/322:16:503
106891290,1ptp4l401ktimersoftd/321:59:233
19986992823,3cyclictest33-21ksoftirqd/220:55:022
19986992822,3cyclictest33-21ksoftirqd/221:55:172
19986992822,3cyclictest33-21ksoftirqd/200:40:252
19979992822,3cyclictest25-21ksoftirqd/101:50:011
19970992823,3cyclictest9-21ksoftirqd/001:05:210
19970992822,3cyclictest9-21ksoftirqd/021:15:160
19970992822,3cyclictest9-21ksoftirqd/021:15:160
19970992822,3cyclictest9-21ksoftirqd/020:45:030
19970992822,3cyclictest9-21ksoftirqd/020:25:020
19970992822,3cyclictest9-21ksoftirqd/001:20:200
19970992821,4cyclictest9-21ksoftirqd/022:31:390
19970992817,6cyclictest9-21ksoftirqd/001:40:210
183772285,10sleep00-21swapper/020:15:190
62752270,2sleep10-21swapper/100:56:011
19986992722,3cyclictest33-21ksoftirqd/222:50:262
19986992722,3cyclictest33-21ksoftirqd/201:45:392
19986992722,3cyclictest33-21ksoftirqd/200:34:072
19986992721,3cyclictest33-21ksoftirqd/221:00:032
19979992722,3cyclictest25-21ksoftirqd/100:45:071
19970992721,3cyclictest9-21ksoftirqd/001:05:080
19970992721,3cyclictest10509-21latency_hist22:15:050
154352271,3sleep00-21swapper/000:00:250
106891270,1ptp4l401ktimersoftd/321:33:103
106891270,1ptp4l401ktimersoftd/320:25:533
19986992620,3cyclictest33-21ksoftirqd/222:00:172
19979992621,3cyclictest25-21ksoftirqd/122:20:151
1997099264,13cyclictest18841-21ssh01:10:210
19970992621,3cyclictest9-21ksoftirqd/023:55:340
19970992621,3cyclictest9-21ksoftirqd/023:30:240
19970992621,3cyclictest9-21ksoftirqd/022:45:350
19970992621,3cyclictest9-21ksoftirqd/021:45:040
19970992620,3cyclictest9-21ksoftirqd/021:07:070
19970992620,3cyclictest9-21ksoftirqd/020:50:200
1997099261,3cyclictest8655-21kernelversion23:20:240
19990992518,4cyclictest41-21ksoftirqd/321:17:313
19990992518,4cyclictest41-21ksoftirqd/321:17:313
19979992520,3cyclictest25-21ksoftirqd/101:40:231
19979992519,3cyclictest25-21ksoftirqd/120:30:121
19979992519,3cyclictest25-21ksoftirqd/101:03:131
19979992518,5cyclictest25-21ksoftirqd/122:50:331
19970992520,3cyclictest9-21ksoftirqd/022:55:050
19970992519,4cyclictest9-21ksoftirqd/001:35:390
19970992518,4cyclictest9-21ksoftirqd/021:28:520
19970992518,4cyclictest13617-21uniq22:20:190
19970992513,7cyclictest9-21ksoftirqd/022:35:160
106891250,10ptp4l401ktimersoftd/320:41:213
346622417,3sleep125-21ksoftirqd/100:20:291
19990992418,3cyclictest41-21ksoftirqd/322:13:483
19990992418,3cyclictest41-21ksoftirqd/320:35:163
19979992418,3cyclictest25-21ksoftirqd/121:50:151
19979992418,3cyclictest25-21ksoftirqd/120:55:331
19979992417,5cyclictest25-21ksoftirqd/123:33:131
19979992417,4cyclictest25-21ksoftirqd/121:07:051
19979992417,4cyclictest11636-21ssh00:30:031
1997099243,12cyclictest30282-21ssh23:10:140
19970992420,2cyclictest9-21ksoftirqd/001:35:090
19970992419,3cyclictest9-21ksoftirqd/020:35:210
19970992419,3cyclictest9-21ksoftirqd/001:20:090
19970992418,3cyclictest9-21ksoftirqd/021:10:220
19970992418,3cyclictest9-21ksoftirqd/021:00:160
19970992417,4cyclictest9-21ksoftirqd/022:03:450
19970992417,4cyclictest9-21ksoftirqd/021:52:280
19970992417,4cyclictest9-21ksoftirqd/021:21:290
19970992417,4cyclictest9-21ksoftirqd/021:21:290
19970992417,4cyclictest9-21ksoftirqd/020:46:200
19970992417,4cyclictest9-21ksoftirqd/020:32:590
19970992417,4cyclictest9-21ksoftirqd/020:27:290
19970992413,4cyclictest9-21ksoftirqd/000:50:200
106891240,1ptp4l401ktimersoftd/321:10:143
106891240,1ptp4l401ktimersoftd/320:20:273
19979992318,3cyclictest25-21ksoftirqd/121:04:401
19979992318,3cyclictest25-21ksoftirqd/100:10:191
19979992316,4cyclictest25-21ksoftirqd/100:00:491
19970992318,3cyclictest9-21ksoftirqd/023:55:070
19970992318,3cyclictest9-21ksoftirqd/000:55:230
19970992317,3cyclictest9-21ksoftirqd/023:05:170
19970992317,3cyclictest9-21ksoftirqd/023:05:170
19970992316,4cyclictest9-21ksoftirqd/022:08:460
19970992316,4cyclictest9-21ksoftirqd/021:55:340
19970992315,5cyclictest28630-21sed00:45:370
19970992315,5cyclictest28630-21sed00:45:370
1997999222,17cyclictest12287-21grep21:10:151
19979992217,3cyclictest25-21ksoftirqd/120:39:281
19979992217,3cyclictest25-21ksoftirqd/100:20:071
19979992216,3cyclictest3152-21head20:50:181
19979992216,3cyclictest29061-21cut01:20:231
19979992216,3cyclictest25-21ksoftirqd/121:47:431
19979992216,3cyclictest25-21ksoftirqd/120:22:481
19979992215,4cyclictest25-21ksoftirqd/121:26:441
19979992215,4cyclictest25-21ksoftirqd/100:08:481
1997099226,7cyclictest9-21ksoftirqd/000:25:350
19970992217,3cyclictest9-21ksoftirqd/023:15:240
19970992217,3cyclictest9-21ksoftirqd/021:45:220
19970992217,3cyclictest9-21ksoftirqd/000:20:080
19970992216,3cyclictest9-21ksoftirqd/023:40:060
19970992216,3cyclictest9-21ksoftirqd/021:34:180
19970992214,4cyclictest1055-21runrttasks00:13:240
1997099221,17cyclictest0-21swapper/022:55:230
1997999215,14cyclictest25434-21rm23:37:101
19979992116,3cyclictest25-21ksoftirqd/100:37:221
19979992115,3cyclictest5751-21sh22:05:041
19979992115,3cyclictest25-21ksoftirqd/101:30:091
19979992114,4cyclictest27506-21irqrtprio21:40:221
19979992114,4cyclictest20144-21ptp4l01:10:301
19979992114,4cyclictest11883-21seq23:24:341
1997999210,18cyclictest4867-21ssh22:44:431
1997999210,18cyclictest18289-21ssh22:57:061
19970992116,3cyclictest9-21ksoftirqd/022:12:040
19970992114,4cyclictest17290-21entropy00:35:220
247432200,2sleep10-21swapper/123:04:451
19979992016,3cyclictest25-21ksoftirqd/100:50:331
19979992015,3cyclictest25-21ksoftirqd/120:40:581
19979992015,3cyclictest25-21ksoftirqd/101:16:131
19979992014,4cyclictest25-21ksoftirqd/123:09:061
19979992014,4cyclictest25-21ksoftirqd/123:09:061
19979992014,3cyclictest7056-21sh23:19:421
19979992014,3cyclictest3748-21sh23:48:411
19979992014,3cyclictest13058-21tail23:25:221
19979992013,4cyclictest32246-21latency_hist23:45:071
19979992013,4cyclictest25-21ksoftirqd/121:37:161
1997999200,3cyclictest13013-21ssh01:36:031
19970992014,3cyclictest26337-21idleruntime-cro21:40:030
19979991915,2cyclictest25-21ksoftirqd/100:30:251
19979991914,3cyclictest25-21ksoftirqd/122:15:221
19979991914,3cyclictest25-21ksoftirqd/101:30:141
19979991913,4cyclictest22448-21munin-node20:25:031
19979991913,3cyclictest25-21ksoftirqd/121:34:511
19979991913,3cyclictest2375-21sh20:50:021
19979991912,4cyclictest11295-21sendmail_mailtr23:55:281
19979991910,6cyclictest5949-21kernelversion23:50:251
19979991813,3cyclictest32264-21sh22:39:311
19979991813,3cyclictest25-21ksoftirqd/121:21:501
19979991813,3cyclictest25-21ksoftirqd/121:21:501
19979991813,3cyclictest1025-21sh23:12:481
19979991812,3cyclictest6177-21cpuspeed_turbos22:05:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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