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2026-03-26 - 13:12
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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 Thu Mar 26, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2282721830,4sleep3885399cyclictest23:00:073
2235321830,5sleep2884899cyclictest00:37:462
126921640,4sleep0883799cyclictest01:22:450
3207021560,3sleep3885399cyclictest00:14:463
1068911060,4ptp4l401ktimersoftd/320:04:183
106891660,1ptp4l401ktimersoftd/322:55:583
106891650,1ptp4l401ktimersoftd/322:46:273
215622630,1sleep00-21swapper/023:32:240
106891610,1ptp4l401ktimersoftd/322:37:453
106891580,1ptp4l401ktimersoftd/323:21:543
106891560,1ptp4l401ktimersoftd/301:27:043
87132555,38sleep00-21swapper/020:07:010
106891530,1ptp4l401ktimersoftd/301:32:283
97102520,2sleep00-21swapper/021:12:440
79242510,5sleep10-21swapper/120:02:411
883799483,17cyclictest9659-21mailstats00:57:470
883799483,15cyclictest7626-21ssh22:44:240
883799482,16cyclictest2182-21diskmemload00:50:430
883799482,16cyclictest2182-21diskmemload00:50:430
106891480,0ptp4l401ktimersoftd/301:27:553
883799474,9cyclictest29493-21swap01:17:540
883799473,15cyclictest10454-21apt-get21:17:240
883799473,14cyclictest14926-21ssh00:30:470
883799473,11cyclictest27736-21ssh22:32:370
883799473,11cyclictest0-21swapper/023:09:110
883799472,8cyclictest32740-21ssh23:42:440
883799472,14cyclictest30748-21ssh23:41:230
106891470,1ptp4l401ktimersoftd/301:21:173
884499463,14cyclictest16983-21ssh23:27:341
884499463,12cyclictest64-21kswapd001:27:381
883799465,10cyclictest23320-21smartctl21:42:360
883799463,8cyclictest9370-21apt-get23:52:350
883799463,8cyclictest24825-21/usr/sbin/munin00:07:420
883799463,15cyclictest8189-21processes23:17:430
883799462,8cyclictest3844-21apt-get23:47:280
883799462,8cyclictest14721-21apt-get22:52:360
883799462,16cyclictest2182-21diskmemload22:28:190
883799462,14cyclictest24853-21ssh23:34:450
41532460,3sleep03564-21/usr/sbin/munin21:02:370
883799454,9cyclictest10432-21python20:07:420
883799454,8cyclictest19435-21ps01:07:480
883799453,8cyclictest3293-21/usr/sbin/munin22:07:390
883799453,13cyclictest26328-21ssh01:15:180
883799452,9cyclictest5346-21apt-get01:27:380
883799452,8cyclictest9788-21apt-get22:47:330
883799452,8cyclictest19656-21apt-get22:57:360
883799452,8cyclictest13157-21apt-get01:02:380
883799452,14cyclictest29253-21ssh00:45:150
883799452,11cyclictest2182-21diskmemload00:24:190
883799443,9cyclictest32372-21apt-get22:37:330
883799443,8cyclictest7730-21apt-get22:12:350
883799443,11cyclictest2182-21diskmemload00:02:440
883799442,14cyclictest31709-21ssh00:14:090
883799442,13cyclictest14429-21ssh23:24:070
883799442,11cyclictest2182-21diskmemload01:33:420
316562440,1sleep30-21swapper/323:08:263
106891440,1ptp4l401ktimersoftd/322:08:083
883799434,9cyclictest24887-21kernelversion20:37:380
883799433,9cyclictest20581-21python20:27:430
883799433,9cyclictest17055-21python21:27:440
883799433,16cyclictest22627-21snmp_o5powerctl00:37:510
883799433,10cyclictest2182-21diskmemload22:21:430
883799432,8cyclictest2182-21diskmemload00:17:310
883799432,10cyclictest2182-21diskmemload00:53:360
883799424,8cyclictest13457-21sensors_temp20:12:420
883799422,16cyclictest2182-21diskmemload23:04:380
883799422,16cyclictest2182-21diskmemload23:04:380
883799422,13cyclictest18319-21ssh00:33:140
8848994134,4cyclictest33-21ksoftirqd/223:27:282
883799413,9cyclictest18842-21munin-run00:02:250
883799413,17cyclictest26282-21/usr/sbin/munin20:42:440
883799412,9cyclictest32650-21snmp_o5powerctl20:52:440
883799411,10cyclictest0-21swapper/022:26:370
883799403,9cyclictest14700-21snmp_o5powerctl21:22:470
883799403,9cyclictest14700-21snmp_o5powerctl21:22:470
883799403,16cyclictest27511-21apt-key21:52:220
883799402,15cyclictest4989-21ssh23:14:500
106891400,1ptp4l401ktimersoftd/323:47:073
106891400,1ptp4l401ktimersoftd/323:14:573
106891400,1ptp4l401ktimersoftd/300:54:383
106891390,1ptp4l401ktimersoftd/323:35:263
106891390,1ptp4l401ktimersoftd/322:27:583
106891390,1ptp4l401ktimersoftd/320:37:313
106891390,1ptp4l401ktimersoftd/300:03:023
106891390,1ptp4l401ktimersoftd/300:00:283
8848993811,4cyclictest22116-21cat23:32:372
883799383,8cyclictest436-21perl22:02:360
883799381,9cyclictest21891-21fschecks_count20:32:350
883799381,16cyclictest1195-21/usr/sbin/munin20:57:420
106891380,1ptp4l401ktimersoftd/322:32:513
106891380,1ptp4l401ktimersoftd/322:26:133
106891380,1ptp4l401ktimersoftd/322:15:153
106891380,1ptp4l401ktimersoftd/300:57:573
106891380,1ptp4l401ktimersoftd/300:48:423
106891380,1ptp4l401ktimersoftd/300:48:423
106891380,1ptp4l401ktimersoftd/300:31:083
106891380,0ptp4l401ktimersoftd/323:04:033
106891380,0ptp4l401ktimersoftd/323:04:033
883799372,8cyclictest18572-21users20:22:470
883799372,8cyclictest15868-21snmp_o5powerctl20:17:460
106891370,3ptp4l11803-21kworker/3:000:08:023
106891370,2ptp4l11803-21kworker/3:021:05:053
106891370,1ptp4l401ktimersoftd/323:55:013
106891370,1ptp4l401ktimersoftd/323:50:433
106891370,1ptp4l401ktimersoftd/323:26:303
106891370,1ptp4l401ktimersoftd/322:52:153
106891370,1ptp4l401ktimersoftd/301:09:163
106891370,1ptp4l401ktimersoftd/300:34:013
106891370,1ptp4l401ktimersoftd/300:23:573
106891370,1ptp4l401ktimersoftd/300:20:253
106891370,0ptp4l401ktimersoftd/300:37:343
884899363,8cyclictest31749-21apt-get23:42:362
884899362,5cyclictest0-21swapper/201:07:382
860423616,8sleep20-21swapper/220:05:382
106891360,2ptp4l11803-21kworker/3:021:08:453
106891360,2ptp4l11803-21kworker/3:000:47:183
106891360,1ptp4l401ktimersoftd/322:19:023
106891360,1ptp4l401ktimersoftd/301:13:293
106891360,1ptp4l401ktimersoftd/301:05:203
8848993512,5cyclictest10974-21timerandwakeup23:52:512
8848993511,3cyclictest26555-21rm01:15:422
883799352,8cyclictest29211-21hddtemp_smartct20:47:350
106891350,2ptp4l11803-21kworker/3:021:58:563
106891350,1ptp4l401ktimersoftd/323:27:253
884899348,4cyclictest4091-21sed22:07:482
8848993413,4cyclictest11671-21sh22:16:232
8848993412,3cyclictest6848-21sh23:48:492
8848993412,3cyclictest24932-21cat20:37:382
884899341,13cyclictest11319-21fschecks_time21:17:362
8848993410,4cyclictest2945-21unixbench_singl20:57:502
8848993410,3cyclictest1612-21basename00:17:352
883799342,14cyclictest18329-21df21:32:340
884899339,3cyclictest9346-21cat00:57:442
884899339,3cyclictest25937-21cut21:47:392
884899337,4cyclictest5868-21which01:27:432
884899333,7cyclictest26359-21apt-get20:42:302
8848993313,3cyclictest5869-21sh23:16:202
8848993312,3cyclictest8299-21/usr/sbin/munin21:12:372
8848993311,3cyclictest8851-21sh23:18:002
8848993311,3cyclictest7331-21sh00:56:332
8848993311,3cyclictest2182-21diskmemload01:36:512
8848993311,3cyclictest20035-21cut22:57:392
8848993311,3cyclictest14232-21/usr/sbin/munin23:57:412
8848993310,4cyclictest16385-21ls23:27:232
8848993310,3cyclictest5716-21sed22:42:402
8844993327,3cyclictest15412-21turbostat.cron21:27:201
8844993327,3cyclictest15412-21turbostat.cron21:27:201
883799331,14cyclictest20393-21/usr/sbin/munin21:37:400
106891330,1ptp4l401ktimersoftd/323:38:273
106891330,1ptp4l401ktimersoftd/321:27:483
106891330,1ptp4l401ktimersoftd/320:27:243
8853993227,3cyclictest41-21ksoftirqd/321:17:203
884899328,6cyclictest17756-21ssh00:32:522
884899328,4cyclictest4326-21irqrtprio21:02:382
884899328,4cyclictest15481-21irqrtprio22:52:432
884899327,9cyclictest0-21swapper/201:04:132
8848993212,4cyclictest27875-21sh00:10:592
8848993211,3cyclictest22800-21sh00:05:492
8848993211,3cyclictest20156-21cat21:37:212
8848993210,3cyclictest2182-21diskmemload23:05:312
8848993210,3cyclictest2182-21diskmemload23:05:312
8848993210,3cyclictest14227-21sh22:52:152
884899320,13cyclictest27395-21cut23:37:442
884899320,11cyclictest17544-21bc22:22:342
883799323,13cyclictest26547-21snmp_o5powerctl21:47:460
106891320,1ptp4l401ktimersoftd/321:40:503
884899312,7cyclictest1453-21snmp_o5powerctl22:02:452
884899312,6cyclictest9100-21apt-get20:07:302
884899311,7cyclictest26055-21ssh00:42:382
884899311,4cyclictest32656-21snmp_o5powerctl20:52:452
8848993110,3cyclictest31592-21sh23:08:202
106891310,1ptp4l401ktimersoftd/320:54:593
106891310,0ptp4l401ktimersoftd/321:44:233
106891310,0ptp4l401ktimersoftd/320:10:183
884899309,3cyclictest32690-21fschecks_count22:37:372
884899308,4cyclictest31106-21cstates00:47:392
884899308,4cyclictest31106-21cstates00:47:392
884899308,3cyclictest29518-21cut20:47:372
884899308,3cyclictest23275-21gltestperf21:42:352
884899301,4cyclictest16700-21memory21:27:412
884899301,13cyclictest6848-21diskstats00:22:402
8848993010,3cyclictest2182-21diskmemload00:14:372
107702300,3sleep1884499cyclictest00:27:011
106891300,1ptp4l401ktimersoftd/321:20:523
106891300,0ptp4l401ktimersoftd/320:47:293
884899293,6cyclictest0-21swapper/201:17:392
884899291,4cyclictest14134-21snmp_o5powerctl22:17:472
884499294,15cyclictest9790-21ssh22:47:331
884499294,15cyclictest1630-21ssh00:17:351
883799294,9cyclictest30423-21df_inode21:57:350
884899289,4cyclictest1055-21runrttasks01:23:252
884899283,7cyclictest22506-21apt-get22:27:342
8848992811,4cyclictest18120-21ptp4l-jitter20:22:402
106891280,1ptp4l401ktimersoftd/321:23:233
106891280,1ptp4l401ktimersoftd/321:23:233
106891280,1ptp4l401ktimersoftd/320:44:333
106891280,1ptp4l401ktimersoftd/320:25:413
884899271,11cyclictest12456-21memory00:27:442
106891270,1ptp4l401ktimersoftd/320:33:533
885399264,4cyclictest0-21swapper/320:12:313
884899262,7cyclictest14521-21apt-get20:17:322
8848992619,4cyclictest33-21ksoftirqd/222:01:242
8848992619,4cyclictest33-21ksoftirqd/221:55:222
884499263,12cyclictest22513-21ssh22:27:331
8844992621,3cyclictest25-21ksoftirqd/123:47:281
8844992620,3cyclictest25-21ksoftirqd/122:14:351
8844992519,4cyclictest25-21ksoftirqd/123:56:501
8844992519,3cyclictest25-21ksoftirqd/122:04:171
8844992519,3cyclictest25-21ksoftirqd/120:42:311
8844992518,4cyclictest25-21ksoftirqd/121:36:221
8844992518,4cyclictest25-21ksoftirqd/121:14:581
8844992518,4cyclictest25-21ksoftirqd/121:05:391
8844992518,4cyclictest25-21ksoftirqd/120:30:461
8844992518,4cyclictest25-21ksoftirqd/101:24:501
106891250,0ptp4l401ktimersoftd/322:04:283
106891250,0ptp4l401ktimersoftd/320:20:513
8853992417,4cyclictest41-21ksoftirqd/321:34:433
8844992418,4cyclictest25-21ksoftirqd/122:41:551
8844992418,3cyclictest25-21ksoftirqd/120:18:331
8844992418,3cyclictest25-21ksoftirqd/100:43:471
8844992417,4cyclictest25-21ksoftirqd/121:52:561
8844992417,4cyclictest25-21ksoftirqd/120:54:551
8844992417,4cyclictest25-21ksoftirqd/120:51:381
8844992417,4cyclictest25-21ksoftirqd/120:26:451
884499241,4cyclictest3447-21ssh23:46:451
8844992411,10cyclictest25-21ksoftirqd/121:44:131
106891240,1ptp4l401ktimersoftd/321:47:333
106891240,1ptp4l401ktimersoftd/320:57:403
8848992317,3cyclictest33-21ksoftirqd/221:38:212
8848992316,4cyclictest33-21ksoftirqd/221:27:122
8848992316,4cyclictest33-21ksoftirqd/221:27:122
8848992316,4cyclictest33-21ksoftirqd/221:10:332
8848992316,4cyclictest33-21ksoftirqd/220:14:012
884899230,3cyclictest121rcu_preempt20:27:352
884499239,11cyclictest2335-21fschecks_time23:12:391
8844992317,3cyclictest25-21ksoftirqd/120:58:431
8844992316,4cyclictest25-21ksoftirqd/121:21:571
884499231,3cyclictest27102-21ssh00:09:411
8844992311,10cyclictest30320-21phc2sys-jitter00:12:451
8837992317,3cyclictest9-21ksoftirqd/021:10:480
106891230,1ptp4l401ktimersoftd/321:52:333
8844992216,3cyclictest25-21ksoftirqd/123:17:341
8844992216,3cyclictest14199-21ssh23:23:441
8844992215,4cyclictest6808-21ssh22:43:001
8844992215,4cyclictest30669-21sh23:41:161
8844992215,4cyclictest25-21ksoftirqd/121:48:541
8844992215,4cyclictest17188-21ssh01:06:251
884499221,18cyclictest17593-21apt-get22:22:351
884499220,3cyclictest16948-21taskset22:21:591
884499220,3cyclictest13671-21ssh00:28:371
884899216,4cyclictest28792-21sendmail_mailqu22:32:452
8848992115,3cyclictest33-21ksoftirqd/220:32:242
884499217,10cyclictest21284-21grep00:37:381
8844992115,3cyclictest30938-21snmp_o5powerctl23:07:481
8844992115,3cyclictest23353-21snmp_o5powerctl23:32:481
8844992115,3cyclictest20178-21irqstats00:02:431
8844992115,3cyclictest16651-21sh00:32:401
8844992114,4cyclictest28228-21cat01:17:401
8844992114,4cyclictest25-21ksoftirqd/121:10:281
8844992114,4cyclictest21464-21mandb01:10:221
8844992113,5cyclictest28141-21irqrtprio22:32:401
8844992112,5cyclictest4343-21unixbench_multi22:07:501
884499210,3cyclictest241162sleep123:02:181
8844992014,4cyclictest25-21ksoftirqd/121:39:351
8844992014,3cyclictest25-21ksoftirqd/121:29:071
8844992014,3cyclictest2182-21diskmemload01:15:271
8844992013,4cyclictest9704-21sh00:57:481
8844992013,4cyclictest31142-21load21:57:401
8844992013,4cyclictest25-21ksoftirqd/120:11:191
8844992013,4cyclictest21850-21expr20:32:341
8844992013,4cyclictest15516-21phc2sys-jitter23:57:451
8844992013,4cyclictest13262-21sh01:34:591
8844992012,4cyclictest1055-21runrttasks00:54:041
884499201,15cyclictest30921-21apt-get00:47:381
884499201,15cyclictest30921-21apt-get00:47:381
8844991913,3cyclictest25342-21snmp_o5powerctl20:37:441
8844991913,3cyclictest24573-21apt-get23:02:341
8844991913,3cyclictest24573-21apt-get23:02:341
8844991912,4cyclictest15309-21if_enp1s0.122:52:411
8844991912,4cyclictest13109-21memory20:12:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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