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2025-12-28 - 06:07
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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 Sun Dec 28, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237022930,3sleep30-21swapper/319:13:543
3112521490,3sleep3401999cyclictest23:46:163
28352704,11sleep20-21swapper/219:13:582
106891700,1ptp4l401ktimersoftd/322:02:383
108942660,1sleep00-21swapper/000:36:510
159032610,4sleep3391rcuc/300:43:083
315662600,1sleep30-21swapper/321:56:593
106891560,1ptp4l401ktimersoftd/300:06:553
74042530,2sleep27407-21rm23:56:022
48662520,2sleep10-21swapper/119:18:521
38522524,37sleep00-21swapper/019:17:550
263412520,2sleep30-21swapper/323:40:543
75552480,3sleep10-21swapper/123:19:041
106891470,14ptp4l25436-21kworker/3:100:28:483
106891460,13ptp4l27847-21kworker/3:223:37:093
106891390,1ptp4l401ktimersoftd/321:53:353
106891390,1ptp4l401ktimersoftd/319:58:573
106891390,1ptp4l401ktimersoftd/300:48:193
4009993830,5cyclictest21581-21ssh22:22:551
106891380,1ptp4l401ktimersoftd/323:00:153
106891380,1ptp4l401ktimersoftd/322:08:543
106891380,1ptp4l401ktimersoftd/322:08:543
106891380,1ptp4l401ktimersoftd/321:48:113
106891380,1ptp4l401ktimersoftd/300:26:093
106891370,1ptp4l401ktimersoftd/323:28:553
106891370,1ptp4l401ktimersoftd/323:16:383
106891370,1ptp4l401ktimersoftd/323:06:283
106891370,1ptp4l401ktimersoftd/322:46:083
106891370,1ptp4l401ktimersoftd/300:22:073
106891370,1ptp4l401ktimersoftd/300:10:363
401999363,7cyclictest10475-21apt-get23:23:513
106891360,1ptp4l401ktimersoftd/323:57:433
106891360,1ptp4l401ktimersoftd/323:48:393
106891360,1ptp4l401ktimersoftd/322:54:403
106891360,1ptp4l401ktimersoftd/322:41:053
106891360,1ptp4l401ktimersoftd/322:32:563
106891360,1ptp4l401ktimersoftd/322:19:303
106891360,1ptp4l401ktimersoftd/322:07:253
106891360,1ptp4l401ktimersoftd/321:34:263
106891360,0ptp4l401ktimersoftd/322:49:573
106891360,0ptp4l401ktimersoftd/319:35:453
401999359,3cyclictest31348-21cat23:09:053
4019993517,15cyclictest41-21ksoftirqd/320:15:223
27362353,18sleep11774-21/usr/sbin/munin19:13:571
106891350,1ptp4l401ktimersoftd/322:27:063
106891350,1ptp4l401ktimersoftd/321:21:023
401999343,5cyclictest6163-21apt-get21:28:503
106891340,0ptp4l401ktimersoftd/322:18:223
106891340,0ptp4l401ktimersoftd/322:18:223
401999333,6cyclictest944-21apt-get20:18:473
4019993312,3cyclictest18002-21sh21:41:413
4019993312,3cyclictest10309-21sh00:35:383
4019993310,3cyclictest15813-21cat19:39:013
106891330,0ptp4l401ktimersoftd/322:34:573
401999329,3cyclictest10650-21basename20:38:483
401999328,3cyclictest6377-21irqrtprio20:28:523
401999328,3cyclictest20577-21gltestperf20:58:513
4019993214,15cyclictest41-21ksoftirqd/319:31:023
4019993211,3cyclictest3639-21sh21:24:193
4019993210,3cyclictest24130-21unixbench-2d00:14:103
401999319,4cyclictest27820-21if_enp1s0.121:13:523
401999317,4cyclictest7926-21interrupts19:23:523
4019993112,4cyclictest23011-21idleruntime21:03:533
4019993112,3cyclictest23163-21unixbench_singl19:54:043
100322310,3sleep23996-21cyclictest22:08:592
100322310,3sleep23996-21cyclictest22:08:592
401999302,7cyclictest3329-21apt-get20:23:463
401999301,6cyclictest7492-21snmp_o5powerctl23:19:023
401999298,3cyclictest4624-21grep19:18:503
4014992923,3cyclictest33-21ksoftirqd/223:41:312
4014992922,4cyclictest33-21ksoftirqd/221:23:582
4009992924,3cyclictest25-21ksoftirqd/122:53:371
4009992924,3cyclictest25-21ksoftirqd/121:38:541
4003992923,3cyclictest9-21ksoftirqd/023:09:230
202292290,2sleep00-21swapper/022:58:030
1197022922,3sleep233-21ksoftirqd/221:34:032
4014992822,3cyclictest33-21ksoftirqd/221:52:002
4014992821,4cyclictest33-21ksoftirqd/220:58:462
4014992821,4cyclictest33-21ksoftirqd/219:19:532
401499281,6cyclictest121rcu_preempt00:16:552
4003992822,3cyclictest9-21ksoftirqd/021:40:420
99262270,4sleep1400999cyclictest21:33:091
401499273,3cyclictest121rcu_preempt20:13:502
4014992721,3cyclictest33-21ksoftirqd/222:14:052
4014992721,3cyclictest33-21ksoftirqd/222:14:052
4014992719,4cyclictest321ktimersoftd/219:53:482
4014992713,11cyclictest11799-21sh00:01:042
4009992722,3cyclictest25-21ksoftirqd/122:58:581
4009992722,3cyclictest25-21ksoftirqd/119:34:001
4009992722,3cyclictest25-21ksoftirqd/119:23:521
4009992722,3cyclictest25-21ksoftirqd/100:23:511
4009992721,3cyclictest25-21ksoftirqd/123:48:571
4009992721,3cyclictest25-21ksoftirqd/121:34:451
4009992721,3cyclictest25-21ksoftirqd/120:28:331
4009992721,3cyclictest25-21ksoftirqd/119:33:321
4003992722,3cyclictest9-21ksoftirqd/021:44:050
4003992721,3cyclictest9-21ksoftirqd/021:33:100
4003992721,3cyclictest9-21ksoftirqd/020:19:010
106891270,1ptp4l401ktimersoftd/300:01:213
4019992620,3cyclictest41-21ksoftirqd/319:50:423
4014992620,3cyclictest33-21ksoftirqd/222:53:502
4014992620,3cyclictest33-21ksoftirqd/220:52:342
4014992620,3cyclictest33-21ksoftirqd/220:45:022
4014992619,4cyclictest33-21ksoftirqd/219:30:212
4009992622,3cyclictest25-21ksoftirqd/123:58:561
4009992621,3cyclictest25-21ksoftirqd/122:28:361
4009992619,4cyclictest25-21ksoftirqd/121:17:191
4003992619,4cyclictest9-21ksoftirqd/019:20:190
106891260,1ptp4l401ktimersoftd/319:45:143
4014992520,3cyclictest33-21ksoftirqd/223:11:042
4014992519,4cyclictest33-21ksoftirqd/222:24:372
4014992519,4cyclictest33-21ksoftirqd/221:17:522
4014992519,4cyclictest33-21ksoftirqd/219:27:122
4014992518,4cyclictest33-21ksoftirqd/221:20:572
4014992518,4cyclictest33-21ksoftirqd/220:03:052
4014992512,10cyclictest17885-21cut00:08:392
4009992521,3cyclictest25-21ksoftirqd/100:36:121
4009992519,3cyclictest25-21ksoftirqd/122:29:091
4009992519,3cyclictest25-21ksoftirqd/121:23:571
4009992519,3cyclictest25-21ksoftirqd/100:09:101
4009992518,4cyclictest25-21ksoftirqd/121:12:171
4009992518,4cyclictest25-21ksoftirqd/120:38:091
400999251,3cyclictest121rcu_preempt21:54:071
400399253,19cyclictest27471-21sed00:18:560
4003992520,3cyclictest9-21ksoftirqd/020:47:150
4003992519,4cyclictest9-21ksoftirqd/020:51:080
4003992519,4cyclictest9-21ksoftirqd/020:05:280
4003992519,3cyclictest9-21ksoftirqd/019:37:210
4003992519,3cyclictest9-21ksoftirqd/000:28:520
4003992518,4cyclictest9-21ksoftirqd/021:05:340
4014992418,4cyclictest33-21ksoftirqd/221:59:272
4014992418,4cyclictest33-21ksoftirqd/220:58:052
4014992418,4cyclictest33-21ksoftirqd/219:49:522
4014992418,3cyclictest33-21ksoftirqd/223:50:122
4014992417,4cyclictest33-21ksoftirqd/223:17:122
4014992417,4cyclictest33-21ksoftirqd/220:23:202
4009992419,3cyclictest25-21ksoftirqd/123:38:061
4009992419,3cyclictest25-21ksoftirqd/123:14:151
4009992419,3cyclictest25-21ksoftirqd/100:43:391
4009992415,5cyclictest23338-21sendmail21:48:351
4003992418,3cyclictest9-21ksoftirqd/020:29:420
4003992418,3cyclictest9-21ksoftirqd/019:49:490
106891240,1ptp4l401ktimersoftd/321:08:593
106891240,1ptp4l401ktimersoftd/320:43:483
106891240,1ptp4l401ktimersoftd/320:34:053
106891240,1ptp4l401ktimersoftd/320:03:583
4014992317,3cyclictest33-21ksoftirqd/221:09:272
4014992317,3cyclictest33-21ksoftirqd/220:33:122
4014992317,3cyclictest33-21ksoftirqd/219:46:332
4014992317,3cyclictest33-21ksoftirqd/200:33:562
4014992316,4cyclictest33-21ksoftirqd/219:37:082
4014992316,4cyclictest30920-21ssh00:23:322
400999233,13cyclictest29333-21diskmemload22:38:491
4009992318,3cyclictest25-21ksoftirqd/123:30:041
4009992318,3cyclictest25-21ksoftirqd/123:24:441
4009992318,3cyclictest25-21ksoftirqd/122:04:071
4009992318,3cyclictest25-21ksoftirqd/120:08:531
4003992317,4cyclictest9-21ksoftirqd/022:15:550
4003992317,4cyclictest9-21ksoftirqd/022:15:550
4003992317,4cyclictest9-21ksoftirqd/021:19:100
4003992317,3cyclictest9-21ksoftirqd/021:51:500
4003992316,4cyclictest9-21ksoftirqd/019:48:050
4003992316,4cyclictest26959-21sh21:13:350
400399231,14cyclictest46950irq/100-ens3-Tx22:08:520
400399231,14cyclictest46950irq/100-ens3-Tx22:08:520
106891230,1ptp4l401ktimersoftd/320:54:013
106891230,1ptp4l401ktimersoftd/320:49:013
106891230,1ptp4l401ktimersoftd/320:08:483
401499223,14cyclictest14879-21apt-get23:28:512
4014992217,3cyclictest33-21ksoftirqd/200:43:562
4014992216,3cyclictest28464-21grep22:29:092
4014992215,4cyclictest33-21ksoftirqd/223:48:352
4014992215,4cyclictest33-21ksoftirqd/223:23:382
4014992215,4cyclictest33-21ksoftirqd/223:07:402
4009992217,3cyclictest25-21ksoftirqd/121:58:521
4009992216,3cyclictest25-21ksoftirqd/120:55:531
4009992216,3cyclictest25-21ksoftirqd/120:45:301
4009992216,3cyclictest25-21ksoftirqd/100:23:341
400399226,4cyclictest9-21ksoftirqd/021:59:080
4003992217,3cyclictest9-21ksoftirqd/023:07:460
4003992216,3cyclictest9-21ksoftirqd/022:42:130
4003992215,4cyclictest9-21ksoftirqd/021:15:090
4003992215,4cyclictest9-21ksoftirqd/020:42:010
4003992215,4cyclictest9-21ksoftirqd/020:10:180
4003992215,4cyclictest9-21ksoftirqd/019:57:010
4003992215,4cyclictest9-21ksoftirqd/019:38:380
4003992215,4cyclictest6181-21cut23:18:490
4003992215,4cyclictest14354-21grep00:03:580
400399220,3cyclictest72122chrt19:23:410
4014992116,3cyclictest0-21swapper/221:03:512
4014992115,4cyclictest10270-21cut21:33:362
4014992115,3cyclictest0-21swapper/222:39:372
4014992114,4cyclictest33-21ksoftirqd/200:24:452
4014992114,4cyclictest3251-21/usr/sbin/munin20:24:032
4014992114,4cyclictest14802-21grep19:38:492
401499211,18cyclictest2478-21ssh22:37:412
4009992116,3cyclictest25-21ksoftirqd/123:43:381
4009992116,3cyclictest25-21ksoftirqd/119:58:331
4009992116,3cyclictest25-21ksoftirqd/119:43:461
4009992115,4cyclictest25-21ksoftirqd/122:54:391
4009992115,4cyclictest25-21ksoftirqd/120:49:451
4009992115,3cyclictest25-21ksoftirqd/121:48:571
4009992115,3cyclictest25-21ksoftirqd/120:08:011
4009992115,3cyclictest25-21ksoftirqd/100:03:561
4009992114,4cyclictest25-21ksoftirqd/100:43:471
4009992114,3cyclictest25-21ksoftirqd/123:53:541
4009992112,5cyclictest22400-21sh00:13:521
4003992116,2cyclictest0-21swapper/021:34:100
4003992115,4cyclictest9-21ksoftirqd/020:03:070
4003992115,4cyclictest7136-21ssh22:05:200
4003992115,3cyclictest9-21ksoftirqd/023:31:390
4003992115,3cyclictest9-21ksoftirqd/020:53:470
4003992114,4cyclictest9-21ksoftirqd/020:15:150
4003992114,4cyclictest28399-21grep23:43:510
4003992112,5cyclictest23338-21missed_timers22:23:570
400399211,17cyclictest18948-21memory22:18:570
4003992110,8cyclictest4813-21cpuspeed_turbos23:53:540
4014992015,3cyclictest33-21ksoftirqd/222:06:462
4014992014,3cyclictest33-21ksoftirqd/220:39:262
4014992013,4cyclictest33-21ksoftirqd/222:53:232
4014992013,4cyclictest30234-21sh21:54:152
4014992013,4cyclictest18578-21sh21:42:522
4014992013,4cyclictest14281-21sh00:39:482
4014992013,4cyclictest10348-21sh23:23:452
4014992012,4cyclictest4533-21sh00:29:012
4009992016,3cyclictest25-21ksoftirqd/121:21:311
4009992015,3cyclictest25-21ksoftirqd/122:33:511
4009992015,3cyclictest25-21ksoftirqd/121:02:051
4009992014,3cyclictest25-21ksoftirqd/119:48:591
4009992014,3cyclictest25-21ksoftirqd/119:41:071
4009992012,5cyclictest614-21cron20:18:331
400399204,8cyclictest28353-21ssh21:53:490
400399202,11cyclictest64-21kswapd023:13:490
4003992014,3cyclictest9-21ksoftirqd/022:48:390
4003992013,4cyclictest9-21ksoftirqd/019:31:230
4003992013,4cyclictest11726-21idleruntime-cro22:48:370
400399201,16cyclictest3713-21perl20:23:500
400399201,16cyclictest22902-21head00:13:570
4003992010,8cyclictest21161-21missed_timers20:58:550
401499199,3cyclictest293332diskmemload23:33:492
401499194,9cyclictest17913-21apt-get22:18:492
401499193,10cyclictest28650-21apt-get20:08:492
401499191,6cyclictest19855-21hddtemp_smartct21:43:542
4014991913,3cyclictest26619-21fschecks_time20:03:502
4014991912,4cyclictest23290-21sh23:00:192
4014991911,4cyclictest8400-21irqrtprio22:43:552
4014991910,5cyclictest19432-21mailstats00:09:032
400999197,3cyclictest25854-21if_enp1s0.123:03:551
4009991913,4cyclictest7659-21cat22:43:481
4009991913,3cyclictest9655-21head22:08:551
4009991913,3cyclictest9655-21head22:08:551
4009991913,3cyclictest31065-21sendmail_mailtr23:08:591
4009991913,3cyclictest3095-21date20:23:331
4009991912,5cyclictest25-21ksoftirqd/123:38:571
4009991912,4cyclictest3508-21grep00:28:521
4009991912,4cyclictest10774-21tr20:38:501
4009991911,4cyclictest5839-21cpuspeed_turbos20:28:471
4003991914,3cyclictest9-21ksoftirqd/021:24:280
4003991914,3cyclictest9-21ksoftirqd/000:12:100
4003991914,3cyclictest9-21ksoftirqd/000:00:380
4003991913,3cyclictest32701-21find00:24:010
4003991912,4cyclictest21279-21fschecks_time22:58:540
4003991912,4cyclictest20547-21cron00:48:400
400399191,16cyclictest14409-21ssh00:40:040
400399191,16cyclictest0-21swapper/023:40:510
400399191,16cyclictest0-21swapper/023:24:340
400399191,16cyclictest0-21swapper/022:35:330
400399191,16cyclictest0-21swapper/022:31:050
400399190,17cyclictest0-21swapper/023:35:280
4014991811,4cyclictest9744-21grep20:34:052
400399181,15cyclictest0-21swapper/023:50:110
4003991811,4cyclictest8450-21fschecks_time20:33:520
400999172,12cyclictest22813-21cut21:03:521
4009991712,3cyclictest25-21ksoftirqd/119:58:471
4009991710,4cyclictest13716-21cstates22:13:511
4009991710,4cyclictest13716-21cstates22:13:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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