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2026-03-29 - 04:29
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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 Mar 29, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155721850,5sleep1665199cyclictest01:26:431
235521640,4sleep1665199cyclictest00:22:151
1922821570,3sleep1665199cyclictest20:33:591
106891990,3ptp4l401ktimersoftd/320:07:543
106891840,1ptp4l401ktimersoftd/300:17:553
3952700,3sleep10-21swapper/123:14:221
176352670,4sleep2311rcuc/201:09:332
106891650,1ptp4l401ktimersoftd/322:04:163
664599591,25cyclictest31274-21/usr/sbin/munin00:19:340
149092570,5sleep0664599cyclictest01:07:470
664599560,24cyclictest32226-21diskmemload01:11:140
126572550,2sleep10-21swapper/123:26:381
6645995425,25cyclictest1260-21/usr/sbin/munin23:14:320
62632504,34sleep20-21swapper/220:05:202
664599481,41cyclictest0-21swapper/020:08:590
664599463,34cyclictest19950-21apt-get22:29:130
106891460,1ptp4l401ktimersoftd/323:39:573
664599453,33cyclictest3854-21apt-get00:24:160
106891450,0ptp4l401ktimersoftd/300:30:233
664599441,35cyclictest23549-21apt-get00:44:180
106891440,1ptp4l401ktimersoftd/323:16:363
664599422,37cyclictest25572-21cat01:19:060
664599410,26cyclictest16375-21users20:24:290
664599403,32cyclictest30881-21apt-get01:24:170
664599402,31cyclictest19403-21apt-get23:34:140
664599402,31cyclictest13353-21apt-get21:29:120
664599401,33cyclictest0-21swapper/001:34:190
664599401,32cyclictest5160-21apt-get22:14:150
664599401,32cyclictest25963-21apt-get01:19:190
664599400,2cyclictest0-21swapper/020:44:180
6651993929,6cyclictest21020-21ssh01:14:171
106891390,1ptp4l401ktimersoftd/301:07:003
106891390,0ptp4l401ktimersoftd/323:49:313
664599382,30cyclictest954-21apt-get00:54:190
664599382,30cyclictest15715-21apt-get21:34:120
664599381,32cyclictest14485-21apt-get23:29:140
664599381,32cyclictest0-21swapper/023:44:150
664599381,30cyclictest26745-21apt-get20:49:120
106891380,1ptp4l401ktimersoftd/323:54:133
106891380,1ptp4l401ktimersoftd/323:09:343
106891380,1ptp4l401ktimersoftd/322:35:113
106891380,1ptp4l401ktimersoftd/322:18:293
106891380,1ptp4l401ktimersoftd/321:55:483
106891380,1ptp4l401ktimersoftd/301:37:343
106891380,1ptp4l401ktimersoftd/301:19:083
106891380,1ptp4l401ktimersoftd/301:15:303
106891380,1ptp4l401ktimersoftd/300:48:013
106891380,1ptp4l401ktimersoftd/300:12:413
106891380,1ptp4l401ktimersoftd/300:02:003
106891380,0ptp4l401ktimersoftd/322:46:313
106891380,0ptp4l401ktimersoftd/300:36:323
6655993713,21cyclictest13598-21seq00:34:142
664599372,30cyclictest0-21swapper/000:09:150
664599372,29cyclictest3820-21apt-get21:09:130
664599372,29cyclictest3820-21apt-get21:09:130
664599372,28cyclictest22283-21apt-get23:04:150
6645993714,20cyclictest9484-21/usr/sbin/munin23:24:190
6645993713,21cyclictest32226-21diskmemload00:17:170
664599371,30cyclictest10118-21apt-get22:19:140
6645993712,22cyclictest5177-21if_enp1s023:19:190
6645993712,22cyclictest23255-21date00:44:050
6645993712,22cyclictest23255-21date00:44:050
106891370,2ptp4l28771-21kworker/3:123:29:273
106891370,1ptp4l401ktimersoftd/323:45:553
106891370,1ptp4l401ktimersoftd/323:35:033
106891370,1ptp4l401ktimersoftd/323:22:373
106891370,1ptp4l401ktimersoftd/323:00:053
106891370,1ptp4l401ktimersoftd/322:57:533
106891370,1ptp4l401ktimersoftd/322:43:033
106891370,1ptp4l401ktimersoftd/322:29:393
106891370,1ptp4l401ktimersoftd/322:27:403
106891370,1ptp4l401ktimersoftd/322:23:243
106891370,1ptp4l401ktimersoftd/322:10:083
106891370,1ptp4l401ktimersoftd/320:38:593
106891370,1ptp4l401ktimersoftd/301:25:563
106891370,1ptp4l401ktimersoftd/300:53:293
106891370,1ptp4l401ktimersoftd/300:43:073
106891370,1ptp4l401ktimersoftd/300:43:073
106891370,1ptp4l401ktimersoftd/300:05:343
106891370,0ptp4l401ktimersoftd/300:24:283
6655993611,4cyclictest19402-21which21:39:242
664599362,27cyclictest17050-21apt-get20:29:110
6645993613,20cyclictest32355-21sh00:53:030
6645993613,20cyclictest32226-21diskmemload00:02:080
664599361,31cyclictest6292-21munin-run23:54:040
6645993612,21cyclictest7183-21/usr/sbin/munin22:49:230
6645993612,21cyclictest7183-21/usr/sbin/munin22:49:230
6645993611,22cyclictest3373-21missed_timers22:44:220
6645993610,22cyclictest16769-21cat00:04:170
106891360,1ptp4l401ktimersoftd/323:25:023
106891360,1ptp4l401ktimersoftd/323:08:573
106891360,1ptp4l401ktimersoftd/301:31:173
665599352,5cyclictest0-21swapper/200:29:162
665599351,31cyclictest31233-21sh00:51:092
664599352,28cyclictest18102-21apt-get21:39:130
664599352,28cyclictest0-21swapper/021:19:110
6645993513,19cyclictest19608-21expr20:34:120
664599351,29cyclictest20680-21apt-get21:44:130
664599351,28cyclictest29115-21apt-get20:54:130
664599351,28cyclictest13697-21apt-get00:34:170
6645993510,22cyclictest16499-21ssh22:24:270
6645993510,21cyclictest358-21cstates22:09:150
664599350,2cyclictest32226-21diskmemload01:03:160
664599350,2cyclictest0-21swapper/023:09:220
664599350,2cyclictest0-21swapper/022:54:210
664599350,2cyclictest0-21swapper/021:24:270
6655993414,17cyclictest23078-21sh00:44:002
6655993414,17cyclictest23078-21sh00:44:002
665599341,3cyclictest0-21swapper/220:24:112
6655993413,18cyclictest4384-21sh00:57:152
6655993413,18cyclictest2423-21sh23:16:032
6655993412,19cyclictest4532-21/usr/sbin/munin23:19:242
6655993412,19cyclictest32427-21latency_hist22:09:022
6655993412,19cyclictest21493-21basename20:38:592
665599341,13cyclictest30483-21grep20:54:292
6655993410,4cyclictest24258-21cat23:39:142
664599348,23cyclictest28781-21missed_timers21:59:210
664599342,27cyclictest0-21swapper/023:39:150
664599342,26cyclictest22014-21apt-get20:39:110
664599341,26cyclictest1445-21apt-get21:04:120
664599341,26cyclictest1445-21apt-get21:04:120
6645993412,19cyclictest1055-21runrttasks21:14:470
664599340,31cyclictest17358-21apt-get22:59:150
664599340,2cyclictest32226-21diskmemload00:32:440
664599340,2cyclictest0-21swapper/022:42:530
664599340,2cyclictest0-21swapper/020:19:220
664599340,2cyclictest0-21swapper/001:30:250
106891340,1ptp4l401ktimersoftd/301:03:443
665599339,8cyclictest11891-21unixbench_multi22:19:312
665599338,4cyclictest3568-21cut00:24:042
665599333,8cyclictest12413-21apt-get22:54:152
6655993315,15cyclictest26435-21sh20:48:592
6655993313,17cyclictest30690-21sensors_temp23:44:272
6655993312,18cyclictest9339-21sh22:18:272
6655993312,18cyclictest7788-21sh00:28:052
6655993311,4cyclictest32028-21sh22:40:082
6655993311,19cyclictest13129-21sh01:05:002
665599330,12cyclictest8236-21kernelversion22:49:212
665599330,12cyclictest8236-21kernelversion22:49:212
664599338,22cyclictest25169-21latency_hist21:54:010
664599338,21cyclictest11190-21gzip20:14:220
664599332,26cyclictest24876-21apt-get22:34:140
664599330,2cyclictest0-21swapper/020:59:150
665599329,5cyclictest663-21gdbus23:49:262
665599329,3cyclictest30610-21latency_hist01:24:062
665599328,3cyclictest18723-21which22:59:252
665599323,8cyclictest26403-21apt-get00:14:172
665599322,4cyclictest0-21swapper/220:19:102
665599321,5cyclictest0-21swapper/221:54:142
6655993212,17cyclictest23216-21sh23:37:532
664599321,27cyclictest26010-21/usr/sbin/munin21:54:200
664599320,2cyclictest0-21swapper/023:54:230
664599320,2cyclictest0-21swapper/022:04:120
106891320,1ptp4l401ktimersoftd/321:42:533
106891320,1ptp4l401ktimersoftd/320:49:313
665599318,3cyclictest17960-21mailstats00:04:272
665599317,4cyclictest16723-21timerwakeupswit22:24:292
665599317,3cyclictest8285-21acpi01:34:192
665599317,3cyclictest27962-21ptp4l20:49:222
665599316,4cyclictest13283-21timerwakeupswit23:59:332
665599316,3cyclictest13473-21tr21:29:132
665599316,22cyclictest0-21swapper/201:28:482
665599313,6cyclictest6708-21apt-get23:54:162
6655993112,16cyclictest23042-21apt-get21:49:122
6655993112,16cyclictest12981-21sh23:27:122
6655993111,3cyclictest1055-21runrttasks21:27:492
6655993110,3cyclictest28969-21sh22:38:192
665599310,8cyclictest32154-21irqrtprio20:59:192
664599311,26cyclictest7491-21/usr/sbin/munin20:09:160
62232313,16sleep1233-21systemd-journal20:04:511
106891310,1ptp4l401ktimersoftd/321:14:423
106891310,1ptp4l401ktimersoftd/321:03:043
106891310,1ptp4l401ktimersoftd/320:54:533
106891310,1ptp4l401ktimersoftd/301:09:173
90112300,5sleep1231rcuc/101:34:261
665599308,3cyclictest5063-21cut21:09:242
665599308,3cyclictest5063-21cut21:09:242
665599308,3cyclictest21859-21fschecks_time00:09:192
665599307,4cyclictest28916-21grep21:59:222
665599307,4cyclictest23467-21/usr/sbin/munin00:44:252
665599307,3cyclictest31622-21taskset23:13:562
665599307,3cyclictest3001-21interrupts22:44:202
665599306,5cyclictest7047-21irqrtprio00:59:252
665599306,3cyclictest22595-21cut23:04:182
665599304,8cyclictest6904-21apt-get20:09:102
665599301,3cyclictest22592-21/usr/sbin/munin01:14:342
665599301,10cyclictest0-21swapper/222:29:132
6651993022,4cyclictest25-21ksoftirqd/120:34:111
665199300,2cyclictest121rcu_preempt01:32:081
138862300,4sleep132226-21diskmemload22:54:301
106891300,9ptp4l401ktimersoftd/320:40:403
106891300,1ptp4l401ktimersoftd/321:38:053
106891300,1ptp4l401ktimersoftd/300:56:263
106891300,0ptp4l401ktimersoftd/321:09:183
106891300,0ptp4l401ktimersoftd/321:09:183
665599298,4cyclictest47150irq/102-ens3-Tx23:29:222
665599298,3cyclictest1055-21runrttasks01:31:242
665599296,4cyclictest24072-21latency_hist20:43:592
665599295,5cyclictest16166-21grep21:34:162
665599294,5cyclictest10617-21irqrtprio20:14:182
665599292,6cyclictest9972-21snmp_o5powerctl21:19:292
665599291,9cyclictest21844-21proc_pri21:44:232
6655992912,14cyclictest17987-21latency20:29:182
6655992910,3cyclictest6690-21gltestperf21:14:172
665599286,3cyclictest4785-21date22:14:022
665599282,6cyclictest2789-21snmp_o5powerctl21:04:252
665599282,6cyclictest2789-21snmp_o5powerctl21:04:252
665199285,16cyclictest2311-21ssh22:44:131
6664992720,4cyclictest41-21ksoftirqd/320:12:343
6664992718,6cyclictest21329-21irqrtprio21:44:193
665199275,14cyclictest3862-21ssh00:24:161
6651992721,3cyclictest25-21ksoftirqd/100:14:051
6651992720,5cyclictest25-21ksoftirqd/123:06:101
106891270,1ptp4l401ktimersoftd/320:19:523
6664992619,4cyclictest41-21ksoftirqd/320:17:513
665199264,13cyclictest16116-21ssh01:09:181
6651992620,3cyclictest25-21ksoftirqd/101:06:151
545922619,3sleep125-21ksoftirqd/100:59:061
106891260,9ptp4l401ktimersoftd/320:48:133
6664992520,3cyclictest41-21ksoftirqd/300:24:043
665199253,11cyclictest5175-21ssh22:14:151
6651992519,3cyclictest25-21ksoftirqd/120:59:551
6651992518,4cyclictest25-21ksoftirqd/121:49:551
6651992518,4cyclictest25-21ksoftirqd/121:40:071
106891250,9ptp4l401ktimersoftd/322:03:413
665199243,12cyclictest16564-21ssh00:04:161
665199242,13cyclictest23564-21ssh00:44:191
665199242,12cyclictest47050irq/101-ens3-Tx00:34:181
6651992418,3cyclictest7981-21grep22:49:201
6651992418,3cyclictest7981-21grep22:49:201
6651992418,3cyclictest25-21ksoftirqd/122:07:201
6651992418,3cyclictest25-21ksoftirqd/121:59:521
6651992418,3cyclictest25-21ksoftirqd/121:34:391
6651992417,4cyclictest23910-21sh23:39:031
6651992417,4cyclictest19168-21unixbench_singl22:59:321
6651992414,7cyclictest8959-21cron20:13:591
106891240,1ptp4l401ktimersoftd/322:51:483
106891240,1ptp4l401ktimersoftd/322:51:483
106891240,1ptp4l401ktimersoftd/321:29:253
106891240,1ptp4l401ktimersoftd/321:24:003
106891240,1ptp4l401ktimersoftd/321:04:133
106891240,1ptp4l401ktimersoftd/321:04:133
6651992318,3cyclictest25-21ksoftirqd/120:18:591
6651992317,3cyclictest25-21ksoftirqd/121:47:231
6651992317,3cyclictest25-21ksoftirqd/120:41:081
6651992316,4cyclictest25-21ksoftirqd/120:53:061
106891230,1ptp4l401ktimersoftd/321:49:123
106891230,1ptp4l401ktimersoftd/321:24:143
106891230,1ptp4l401ktimersoftd/320:33:323
106891230,1ptp4l401ktimersoftd/320:24:143
6651992216,3cyclictest10541-21grep00:29:341
6651992215,4cyclictest1055-21runrttasks23:54:311
6651992214,5cyclictest47050irq/101-ens3-Tx23:39:151
665199221,3cyclictest20238-21diskstats22:29:161
6651992213,5cyclictest15703-21phc2sys-jitter23:29:241
665199221,19cyclictest0-21swapper/123:53:481
665199220,4cyclictest15127-21ssh00:02:211
910422114,3sleep125-21ksoftirqd/101:01:311
665199218,7cyclictest25-21ksoftirqd/121:14:141
6651992114,4cyclictest1055-21runrttasks22:11:351
665199211,3cyclictest31801-21ssh22:39:451
665199211,3cyclictest28843-21ssh01:21:201
665199211,2cyclictest0-21swapper/100:42:381
665199211,2cyclictest0-21swapper/100:42:381
665199211,17cyclictest0-21swapper/120:44:121
6651992110,6cyclictest6637-21cyclictest20:24:121
665199204,9cyclictest0-21swapper/121:09:141
665199204,9cyclictest0-21swapper/121:09:141
665199201,4cyclictest17670-21ssh22:25:511
6651992014,4cyclictest30710-21unixbench_multi20:54:301
6651992014,3cyclictest25332-21/usr/sbin/munin21:54:241
6651992014,3cyclictest25-21ksoftirqd/121:32:291
6651992014,3cyclictest14622-21cron22:24:011
6651992013,4cyclictest29965-21interrupts23:44:221
6651992013,4cyclictest28529-21cat00:49:171
6651992013,4cyclictest12662-21fschecks_time20:19:141
665199201,17cyclictest0-21swapper/123:19:121
665199201,17cyclictest0-21swapper/121:19:291
665199201,16cyclictest0-21swapper/123:11:511
665199200,4cyclictest12043-21sed21:24:201
6651991913,4cyclictest26515-21sed22:34:301
6651991913,3cyclictest1366-21/usr/sbin/munin21:04:221
6651991913,3cyclictest1366-21/usr/sbin/munin21:04:221
6651991912,4cyclictest22206-21sed00:09:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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