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2026-07-12 - 14:00
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Sun Jul 12, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1720521830,4sleep03209099cyclictest00:37:170
2468521370,5sleep13209499cyclictest00:43:441
1068911070,3ptp4l401ktimersoftd/321:03:203
3209099700,28cyclictest18690-21cut23:32:220
220342690,8sleep2321ktimersoftd/223:36:202
92922660,3sleep2311rcuc/223:22:232
92922660,3sleep2311rcuc/223:22:232
3209099661,31cyclictest28612-21latency_hist01:22:070
318082644,9sleep00-21swapper/021:04:380
3209099637,25cyclictest15301-21timerwakeupswit02:12:350
32105996253,4cyclictest41-21ksoftirqd/323:07:163
3209099611,35cyclictest31995-21ssh23:46:320
3209099600,26cyclictest17322-21latency_hist21:42:010
318452600,2sleep0111rcuc/001:57:260
3209099591,28cyclictest896-21timerandwakeup22:12:300
3209099591,25cyclictest18312-21latency_hist22:52:030
32105995850,4cyclictest41-21ksoftirqd/301:37:193
3209099580,25cyclictest25428-21diskmemload23:26:440
3209099580,25cyclictest25428-21diskmemload23:26:440
3209099580,25cyclictest25428-21diskmemload02:23:130
125692580,3sleep00-21swapper/000:32:190
3209099570,24cyclictest25428-21diskmemload00:13:030
239032570,4sleep23210099cyclictest01:49:092
106891570,1ptp4l401ktimersoftd/300:42:443
32105995648,4cyclictest41-21ksoftirqd/321:32:143
32105995648,4cyclictest41-21ksoftirqd/321:32:143
3209099561,28cyclictest5579-21tune2fs23:52:230
3209099560,25cyclictest25428-21diskmemload00:43:480
106891540,1ptp4l401ktimersoftd/323:52:503
3209099531,26cyclictest13942-21cat01:07:060
3209099530,24cyclictest25428-21diskmemload00:19:030
32105995042,4cyclictest41-21ksoftirqd/323:02:173
32105995042,4cyclictest41-21ksoftirqd/322:47:153
3209099501,25cyclictest0-21swapper/023:47:170
32105994940,4cyclictest41-21ksoftirqd/321:07:123
32105994940,4cyclictest41-21ksoftirqd/301:47:203
32105994841,3cyclictest41-21ksoftirqd/322:57:153
32105994840,4cyclictest41-21ksoftirqd/321:12:133
32105994840,4cyclictest41-21ksoftirqd/302:02:203
32105994831,13cyclictest41-21ksoftirqd/301:07:173
32105994831,13cyclictest41-21ksoftirqd/301:07:173
3209099480,22cyclictest0-21swapper/001:42:440
106891480,2ptp4l29306-21kworker/3:000:14:553
3209099470,27cyclictest27715-21if_err_enp1s022:02:200
3209099470,25cyclictest30110-21cat22:07:170
3209099470,25cyclictest21318-21mailstats21:47:250
3209099470,21cyclictest0-21swapper/023:07:220
3209099460,23cyclictest0-21swapper/021:57:240
208262450,2sleep120827-21sh00:40:311
106891450,1ptp4l401ktimersoftd/300:34:173
3209099440,24cyclictest0-21swapper/000:27:340
3209099431,33cyclictest15055-21apt-get00:02:160
3209099431,28cyclictest1491-21ssh01:27:180
3209099430,26cyclictest2786-21awk02:32:410
32105994232,5cyclictest41-21ksoftirqd/322:17:143
3209099422,32cyclictest27077-21apt-get00:47:180
3209099420,27cyclictest29821-21mailstats02:27:310
3209099420,23cyclictest0-21swapper/022:22:150
3209099402,31cyclictest6403-21apt-get01:32:190
3209099400,25cyclictest25428-21diskmemload23:41:380
106891400,1ptp4l401ktimersoftd/300:37:253
3209099393,29cyclictest22356-21apt-get21:52:140
3209099392,29cyclictest29007-21apt-get01:22:180
32090993915,21cyclictest27746-21sed01:52:370
3209099390,24cyclictest25428-21diskmemload00:00:300
106891390,1ptp4l401ktimersoftd/302:27:173
106891390,1ptp4l401ktimersoftd/301:29:103
106891390,1ptp4l401ktimersoftd/301:22:473
106891390,1ptp4l401ktimersoftd/300:31:043
106891390,1ptp4l401ktimersoftd/300:18:193
32105993827,9cyclictest41-21ksoftirqd/323:47:233
3209099382,29cyclictest6774-21apt-get22:27:140
32090993812,23cyclictest22812-21sed01:47:360
32090993812,22cyclictest6321-21sed21:17:210
3209099380,23cyclictest0-21swapper/002:17:370
106891380,1ptp4l401ktimersoftd/323:41:263
106891380,1ptp4l401ktimersoftd/323:22:053
106891380,1ptp4l401ktimersoftd/323:22:053
106891380,1ptp4l401ktimersoftd/323:18:303
106891380,1ptp4l401ktimersoftd/323:18:303
106891380,1ptp4l401ktimersoftd/323:16:333
106891380,1ptp4l401ktimersoftd/322:32:143
106891380,1ptp4l401ktimersoftd/302:17:103
106891380,1ptp4l401ktimersoftd/302:13:503
106891380,1ptp4l401ktimersoftd/301:55:593
106891380,1ptp4l401ktimersoftd/301:43:193
106891380,14ptp4l401ktimersoftd/301:17:353
106891380,0ptp4l401ktimersoftd/323:29:433
106891380,0ptp4l401ktimersoftd/302:11:523
3209099371,32cyclictest0-21swapper/000:07:140
3209099371,30cyclictest10512-21apt-get21:27:150
106891370,1ptp4l401ktimersoftd/323:43:423
106891370,1ptp4l401ktimersoftd/323:32:503
106891370,1ptp4l401ktimersoftd/302:23:003
106891370,1ptp4l401ktimersoftd/301:57:443
106891370,1ptp4l401ktimersoftd/301:13:283
106891370,1ptp4l401ktimersoftd/301:02:123
106891370,1ptp4l401ktimersoftd/300:58:273
106891370,1ptp4l401ktimersoftd/300:50:113
106891370,1ptp4l401ktimersoftd/300:06:133
3209099362,28cyclictest13888-21apt-get22:42:150
32090993613,20cyclictest25428-21diskmemload23:20:090
32090993613,20cyclictest25428-21diskmemload23:20:090
3209099361,28cyclictest7935-21apt-get21:22:150
3209099361,28cyclictest7935-21apt-get21:22:150
3209099361,23cyclictest5859-1kworker/u9:002:09:260
3209099361,23cyclictest0-21swapper/000:23:390
32090993612,21cyclictest4699-21phc2sys-jitter02:02:280
32090993612,20cyclictest24243-21irqrtprio23:02:250
106891360,1ptp4l401ktimersoftd/300:00:183
32105993529,3cyclictest41-21ksoftirqd/321:57:013
32105993524,9cyclictest41-21ksoftirqd/300:07:153
3209099359,23cyclictest5113-21latency_hist21:17:000
3209099352,29cyclictest14431-21sendmail_mailqu23:27:270
3209099351,29cyclictest0-21swapper/021:42:120
32090993512,20cyclictest363-21hddtemp_smartct21:07:170
32090993512,20cyclictest25428-21diskmemload00:58:460
106891350,1ptp4l401ktimersoftd/301:35:433
106891350,0ptp4l401ktimersoftd/300:23:313
32090993412,19cyclictest10704-21grep22:32:320
3209099340,31cyclictest25428-21diskmemload23:15:400
3209099340,2cyclictest0-21swapper/001:40:020
3209099340,2cyclictest0-21swapper/001:12:210
3209099340,2cyclictest0-21swapper/001:07:370
3209099340,2cyclictest0-21swapper/001:07:370
106891340,2ptp4l29306-21kworker/3:022:52:263
106891340,13ptp4l401ktimersoftd/321:29:233
32105993325,4cyclictest41-21ksoftirqd/300:52:233
32094993327,3cyclictest25-21ksoftirqd/101:37:071
32090993310,20cyclictest25428-21diskmemload00:53:510
106891330,1ptp4l401ktimersoftd/302:32:323
32105993227,3cyclictest41-21ksoftirqd/322:32:033
32105993227,3cyclictest41-21ksoftirqd/321:22:193
32105993227,3cyclictest41-21ksoftirqd/321:22:193
32105993226,3cyclictest41-21ksoftirqd/322:17:023
32105993226,3cyclictest41-21ksoftirqd/321:37:303
32094993219,7cyclictest25-21ksoftirqd/100:02:161
32094993211,13cyclictest47050irq/101-ens3-Tx01:42:201
3209099328,21cyclictest1055-21runrttasks22:19:540
3209099327,21cyclictest13172-21fschecks_count21:32:170
3209099327,21cyclictest13172-21fschecks_count21:32:170
3209099321,27cyclictest12169-21/usr/sbin/munin22:37:210
106891320,1ptp4l29306-21kworker/3:022:09:533
106891320,0ptp4l401ktimersoftd/321:49:153
32105993125,3cyclictest41-21ksoftirqd/322:42:143
32100993124,4cyclictest33-21ksoftirqd/223:52:372
3209099317,21cyclictest20794-21latency_hist22:57:030
3209099310,27cyclictest21004-21taskset22:57:150
106891310,0ptp4l401ktimersoftd/322:25:343
32100993025,3cyclictest33-21ksoftirqd/223:47:152
32094993024,3cyclictest29752-21kworker/1:223:17:331
32094993024,3cyclictest29752-21kworker/1:223:17:331
312872304,14sleep231325-21switchtime21:02:302
112482300,5sleep23210099cyclictest02:09:052
106891300,1ptp4l401ktimersoftd/322:40:233
32105992923,3cyclictest41-21ksoftirqd/322:02:023
32105992923,3cyclictest41-21ksoftirqd/321:42:173
3210099290,3cyclictest121rcu_preempt01:21:282
32094992923,3cyclictest25-21ksoftirqd/102:22:271
32100992823,3cyclictest33-21ksoftirqd/221:27:012
32100992823,3cyclictest33-21ksoftirqd/221:27:012
32100992822,3cyclictest33-21ksoftirqd/201:02:372
3210099280,3cyclictest121rcu_preempt00:47:312
3209499284,14cyclictest7420-21ssh00:27:171
32094992823,3cyclictest25-21ksoftirqd/123:22:211
32094992823,3cyclictest25-21ksoftirqd/123:22:211
32094992823,3cyclictest25-21ksoftirqd/122:02:201
32094992822,3cyclictest25-21ksoftirqd/123:57:241
32094992822,3cyclictest25-21ksoftirqd/123:17:031
318442286,10sleep10-21swapper/121:05:081
32105992721,3cyclictest41-21ksoftirqd/321:22:013
32105992721,3cyclictest27089-21acpi22:02:133
32100992721,3cyclictest33-21ksoftirqd/202:12:252
32100992720,4cyclictest33-21ksoftirqd/221:09:022
32094992722,3cyclictest25-21ksoftirqd/100:47:181
32094992721,3cyclictest25-21ksoftirqd/123:57:041
32094992721,3cyclictest25-21ksoftirqd/123:32:221
32094992720,5cyclictest25-21ksoftirqd/102:12:121
32100992621,3cyclictest33-21ksoftirqd/202:32:292
32100992621,3cyclictest33-21ksoftirqd/200:52:262
32100992619,4cyclictest33-21ksoftirqd/221:53:422
3210099261,3cyclictest121rcu_preempt21:47:212
32094992621,3cyclictest25-21ksoftirqd/123:37:161
32094992621,3cyclictest25-21ksoftirqd/121:32:011
32094992621,3cyclictest25-21ksoftirqd/102:07:201
32094992621,3cyclictest25-21ksoftirqd/101:52:201
32094992620,3cyclictest25-21ksoftirqd/122:22:031
32094992620,3cyclictest25-21ksoftirqd/101:02:201
32094992620,3cyclictest25-21ksoftirqd/100:57:161
32094992619,5cyclictest25-21ksoftirqd/123:42:161
32094992619,5cyclictest25-21ksoftirqd/100:32:171
32094992619,4cyclictest25-21ksoftirqd/101:57:261
32100992520,3cyclictest33-21ksoftirqd/223:58:282
32100992520,3cyclictest33-21ksoftirqd/223:37:472
32100992520,3cyclictest33-21ksoftirqd/221:57:212
32100992520,3cyclictest33-21ksoftirqd/201:52:342
32100992519,3cyclictest33-21ksoftirqd/222:31:492
32100992519,3cyclictest33-21ksoftirqd/201:35:202
32100992518,4cyclictest33-21ksoftirqd/221:29:102
32100992518,4cyclictest33-21ksoftirqd/200:38:152
32094992520,3cyclictest25-21ksoftirqd/122:57:021
32094992520,3cyclictest25-21ksoftirqd/102:27:351
32094992519,4cyclictest25-21ksoftirqd/123:47:191
32094992519,3cyclictest25-21ksoftirqd/122:48:371
32094992519,3cyclictest25-21ksoftirqd/121:37:111
32094992519,3cyclictest25-21ksoftirqd/100:12:181
32094992518,5cyclictest25-21ksoftirqd/102:32:221
32100992419,3cyclictest33-21ksoftirqd/223:05:012
32100992419,3cyclictest33-21ksoftirqd/201:22:352
32100992419,3cyclictest33-21ksoftirqd/200:02:182
32100992418,3cyclictest33-21ksoftirqd/222:46:402
32100992418,3cyclictest33-21ksoftirqd/221:17:142
32100992418,3cyclictest1042-21grep22:12:302
32100992417,4cyclictest33-21ksoftirqd/222:40:482
32100992417,4cyclictest33-21ksoftirqd/222:08:002
32100992417,4cyclictest33-21ksoftirqd/222:06:232
32100992417,4cyclictest33-21ksoftirqd/221:14:162
32094992419,3cyclictest25-21ksoftirqd/122:14:021
32094992419,3cyclictest25-21ksoftirqd/122:07:181
32094992419,3cyclictest25-21ksoftirqd/101:17:181
32094992418,4cyclictest25-21ksoftirqd/121:33:261
32094992418,4cyclictest25-21ksoftirqd/121:33:261
32094992418,3cyclictest25-21ksoftirqd/123:12:031
32094992418,3cyclictest25-21ksoftirqd/122:44:041
32094992418,3cyclictest25-21ksoftirqd/122:27:131
32094992418,3cyclictest25-21ksoftirqd/121:52:211
32094992418,3cyclictest25-21ksoftirqd/101:42:071
32094992417,4cyclictest25-21ksoftirqd/122:33:401
32094992417,4cyclictest25-21ksoftirqd/121:16:481
32094992415,5cyclictest18859-21df_inode02:17:231
3210099234,17cyclictest31715-21taskset02:30:072
32100992318,3cyclictest33-21ksoftirqd/222:22:042
32100992318,3cyclictest33-21ksoftirqd/221:42:192
32100992318,3cyclictest33-21ksoftirqd/200:42:212
32100992318,3cyclictest33-21ksoftirqd/200:31:102
32100992317,3cyclictest33-21ksoftirqd/221:35:552
32100992317,3cyclictest33-21ksoftirqd/221:35:552
32100992310,8cyclictest64-21kswapd000:22:182
32094992318,3cyclictest25-21ksoftirqd/101:47:301
32094992318,3cyclictest25-21ksoftirqd/101:27:331
32094992317,4cyclictest25-21ksoftirqd/122:57:221
32094992317,3cyclictest25-21ksoftirqd/121:57:271
32094992317,3cyclictest25-21ksoftirqd/121:19:281
32094992316,5cyclictest25-21ksoftirqd/100:07:321
32094992316,4cyclictest25-21ksoftirqd/121:25:511
32094992316,4cyclictest25-21ksoftirqd/121:25:511
3210099229,11cyclictest33-21ksoftirqd/202:05:342
32100992217,3cyclictest33-21ksoftirqd/201:12:192
3210099220,7cyclictest1652-21ssh01:27:192
32094992218,3cyclictest25-21ksoftirqd/122:37:221
32094992217,3cyclictest25-21ksoftirqd/101:12:211
32094992217,3cyclictest25-21ksoftirqd/100:17:231
32094992216,3cyclictest8202-21cat02:07:081
32094992216,3cyclictest25-21ksoftirqd/121:48:061
3209499221,4cyclictest15217-21irqstats01:07:251
3209499221,4cyclictest15217-21irqstats01:07:251
3210099212,11cyclictest13077-21ssh23:27:152
32100992116,3cyclictest33-21ksoftirqd/223:42:222
32100992116,3cyclictest33-21ksoftirqd/223:12:212
32100992116,3cyclictest33-21ksoftirqd/200:17:272
32100992116,3cyclictest33-21ksoftirqd/200:13:152
32100992115,4cyclictest33-21ksoftirqd/201:57:202
32100992115,3cyclictest33-21ksoftirqd/222:57:222
32100992115,3cyclictest33-21ksoftirqd/201:11:072
32100992115,3cyclictest33-21ksoftirqd/201:11:072
32100992115,3cyclictest12817-21sed00:32:222
32100992114,4cyclictest33-21ksoftirqd/222:54:292
32100992114,4cyclictest25934-21sh02:23:392
32100992114,4cyclictest22276-21sh00:07:592
32100992114,4cyclictest16729-21cut01:42:242
32094992116,3cyclictest25-21ksoftirqd/123:07:031
32094992116,3cyclictest25-21ksoftirqd/100:22:321
32094992115,4cyclictest25-21ksoftirqd/121:08:491
32094992114,4cyclictest25-21ksoftirqd/123:27:161
32094992112,3cyclictest1055-21runrttasks00:55:161
3210099206,12cyclictest9589-21sed22:32:192
32100992015,3cyclictest33-21ksoftirqd/221:38:062
32100992013,4cyclictest7218-21sh00:59:082
32100992013,4cyclictest33-21ksoftirqd/222:22:032
32100992013,4cyclictest30192-21sh23:11:472
32100992013,4cyclictest1055-21runrttasks23:19:062
32100992013,4cyclictest1055-21runrttasks23:19:062
32100992012,5cyclictest47150irq/102-ens3-Tx02:17:202
32094992015,3cyclictest25-21ksoftirqd/101:22:181
32100991912,4cyclictest16333-21wc22:47:172
32100991912,4cyclictest11246-21/usr/sbin/munin01:37:242
3209499192,14cyclictest18680-21needreboot21:42:211
32094991914,3cyclictest25-21ksoftirqd/122:22:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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