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2026-03-25 - 03:22
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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 Wed Mar 25, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2506321690,4sleep31855099cyclictest23:57:213
1068911100,4ptp4l401ktimersoftd/320:02:283
50062720,3sleep30-21swapper/300:11:513
106891700,1ptp4l401ktimersoftd/322:44:053
106891680,1ptp4l401ktimersoftd/322:07:203
106891630,1ptp4l401ktimersoftd/322:29:483
183092604,10sleep20-21swapper/220:05:152
59422590,3sleep21854299cyclictest21:52:062
106891580,1ptp4l401ktimersoftd/323:26:573
106891580,1ptp4l401ktimersoftd/323:13:273
106891570,1ptp4l401ktimersoftd/323:43:103
106891570,1ptp4l401ktimersoftd/322:14:443
106891570,1ptp4l401ktimersoftd/301:18:403
154492560,2sleep00-21swapper/023:47:590
28152550,1sleep30-21swapper/321:47:013
106891550,1ptp4l401ktimersoftd/322:35:463
106891550,1ptp4l401ktimersoftd/301:27:433
118622540,2sleep20-21swapper/223:12:072
106891540,1ptp4l401ktimersoftd/322:55:243
106891540,1ptp4l401ktimersoftd/322:55:243
14072500,2sleep00-21swapper/022:27:330
106891470,2ptp4l9856-21kworker/3:122:39:513
106891470,0ptp4l401ktimersoftd/301:15:433
106891440,1ptp4l401ktimersoftd/300:40:513
106891420,1ptp4l401ktimersoftd/300:59:323
106891400,1ptp4l401ktimersoftd/300:02:123
106891390,1ptp4l401ktimersoftd/301:24:113
106891380,1ptp4l401ktimersoftd/323:52:183
106891380,1ptp4l401ktimersoftd/323:39:433
106891380,1ptp4l401ktimersoftd/323:10:153
106891380,1ptp4l401ktimersoftd/322:49:123
106891380,1ptp4l401ktimersoftd/322:49:123
106891380,1ptp4l401ktimersoftd/322:19:273
106891380,1ptp4l401ktimersoftd/321:27:183
106891380,1ptp4l401ktimersoftd/320:52:023
106891380,1ptp4l401ktimersoftd/301:07:293
106891380,1ptp4l401ktimersoftd/300:33:073
106891380,1ptp4l401ktimersoftd/300:20:453
106891380,0ptp4l401ktimersoftd/323:02:493
106891370,1ptp4l401ktimersoftd/323:32:393
106891370,1ptp4l401ktimersoftd/323:26:333
106891370,1ptp4l401ktimersoftd/323:17:133
106891370,1ptp4l401ktimersoftd/322:59:273
106891370,1ptp4l401ktimersoftd/322:25:133
106891370,1ptp4l401ktimersoftd/320:19:503
106891370,1ptp4l401ktimersoftd/301:33:043
106891370,1ptp4l401ktimersoftd/301:02:503
106891370,1ptp4l401ktimersoftd/300:15:353
106891360,2ptp4l9856-21kworker/3:121:23:223
106891360,1ptp4l401ktimersoftd/323:47:033
106891360,1ptp4l401ktimersoftd/300:44:353
18530993529,4cyclictest18545-21latency_hist20:06:460
106891350,1ptp4l401ktimersoftd/321:16:473
106891350,1ptp4l401ktimersoftd/320:14:083
106891350,1ptp4l401ktimersoftd/300:28:363
106891350,1ptp4l401ktimersoftd/300:28:363
106891340,10ptp4l401ktimersoftd/320:57:133
18535993328,3cyclictest25-21ksoftirqd/101:36:541
106891330,1ptp4l401ktimersoftd/300:26:503
324192320,2sleep00-21swapper/000:06:380
106891320,10ptp4l401ktimersoftd/321:16:583
106891320,0ptp4l401ktimersoftd/321:41:003
106891320,0ptp4l401ktimersoftd/300:48:023
18535993126,3cyclictest25-21ksoftirqd/100:56:521
106891310,1ptp4l401ktimersoftd/321:33:153
106891310,1ptp4l401ktimersoftd/320:31:533
106891310,1ptp4l401ktimersoftd/320:09:003
106891310,0ptp4l401ktimersoftd/321:55:593
106891310,0ptp4l401ktimersoftd/321:42:053
1853599301,3cyclictest121rcu_preempt23:01:421
18530993025,3cyclictest9-21ksoftirqd/020:41:460
177282306,10sleep10-21swapper/120:02:151
122172300,5sleep01853099cyclictest01:24:110
247492290,3sleep00-21swapper/020:17:010
18542992924,3cyclictest33-21ksoftirqd/200:42:102
18542992922,4cyclictest33-21ksoftirqd/223:52:022
75022280,5sleep31855099cyclictest20:47:073
53132280,4sleep05317-21irqrtprio01:17:120
18542992819,6cyclictest17409-21cstates22:12:012
18535992823,3cyclictest25-21ksoftirqd/120:16:461
106891280,0ptp4l401ktimersoftd/320:23:423
203822271,3sleep120392-21ssh00:59:561
18542992721,3cyclictest33-21ksoftirqd/223:47:072
18542992718,3cyclictest33-21ksoftirqd/200:37:232
1853599272,3cyclictest121rcu_preempt00:49:421
18535992721,3cyclictest25-21ksoftirqd/120:26:281
18530992721,3cyclictest9-21ksoftirqd/000:50:500
106891270,0ptp4l401ktimersoftd/321:10:573
80852260,2sleep20-21swapper/200:13:462
63652260,4sleep1241ktimersoftd/100:12:091
18542992622,3cyclictest33-21ksoftirqd/200:27:342
18542992622,3cyclictest33-21ksoftirqd/200:27:342
18542992621,3cyclictest18804-21tail00:57:202
18542992620,3cyclictest33-21ksoftirqd/221:59:312
18542992619,4cyclictest33-21ksoftirqd/223:25:202
18542992619,4cyclictest33-21ksoftirqd/221:40:542
18542992619,4cyclictest33-21ksoftirqd/220:34:212
18542992612,4cyclictest33-21ksoftirqd/223:46:092
18535992621,3cyclictest25-21ksoftirqd/122:36:491
18535992621,3cyclictest25-21ksoftirqd/121:17:051
18535992619,4cyclictest25-21ksoftirqd/101:12:071
18535992619,4cyclictest25-21ksoftirqd/100:07:031
18535992618,4cyclictest25-21ksoftirqd/121:42:131
18530992619,4cyclictest9-21ksoftirqd/022:03:400
18530992619,4cyclictest911-21ssh23:01:400
106891260,1ptp4l401ktimersoftd/320:44:423
1854299253,19cyclictest32548-21cron00:06:502
18542992519,3cyclictest33-21ksoftirqd/221:19:402
18542992518,4cyclictest33-21ksoftirqd/222:24:502
18542992518,4cyclictest33-21ksoftirqd/221:28:532
18542992518,4cyclictest33-21ksoftirqd/221:14:002
18542992518,4cyclictest15018-21sed22:42:082
18542992518,4cyclictest10426-21grep22:37:112
18542992511,4cyclictest33-21ksoftirqd/223:36:292
18535992519,3cyclictest25-21ksoftirqd/123:22:021
18535992518,4cyclictest25-21ksoftirqd/121:53:491
18535992518,4cyclictest25-21ksoftirqd/120:31:031
18530992520,3cyclictest9-21ksoftirqd/023:31:370
18530992520,3cyclictest9-21ksoftirqd/000:13:530
18530992518,4cyclictest9-21ksoftirqd/021:01:250
106891250,1ptp4l401ktimersoftd/322:02:503
106891250,1ptp4l401ktimersoftd/320:26:583
106891250,0ptp4l401ktimersoftd/320:37:473
18542992419,3cyclictest33-21ksoftirqd/222:17:052
18542992419,3cyclictest33-21ksoftirqd/200:36:522
18542992418,3cyclictest33-21ksoftirqd/201:06:302
18542992417,4cyclictest33-21ksoftirqd/221:04:282
18542992417,4cyclictest33-21ksoftirqd/221:04:282
18542992417,4cyclictest33-21ksoftirqd/220:58:182
18542992417,4cyclictest33-21ksoftirqd/220:46:222
18542992417,4cyclictest33-21ksoftirqd/220:14:462
18542992417,3cyclictest33-21ksoftirqd/221:49:242
18542992416,5cyclictest1587-21grep23:02:042
18535992419,3cyclictest25-21ksoftirqd/100:17:151
18535992418,3cyclictest25-21ksoftirqd/100:22:371
18535992417,4cyclictest25-21ksoftirqd/121:24:511
18535992417,4cyclictest25-21ksoftirqd/120:58:211
18535992417,4cyclictest25-21ksoftirqd/100:31:161
18535992417,4cyclictest25-21ksoftirqd/100:31:161
18535992413,4cyclictest14009-21cut23:47:121
18530992418,3cyclictest9-21ksoftirqd/020:10:390
18530992417,5cyclictest9-21ksoftirqd/021:18:440
18530992417,4cyclictest9-21ksoftirqd/021:04:590
18530992417,4cyclictest9-21ksoftirqd/021:04:590
106891240,1ptp4l401ktimersoftd/321:57:183
106891240,1ptp4l401ktimersoftd/321:01:593
106891240,1ptp4l401ktimersoftd/321:01:593
106891240,1ptp4l401ktimersoftd/300:52:053
44822230,5sleep04487-21gltestperf20:42:020
18542992318,3cyclictest33-21ksoftirqd/222:32:052
18542992318,3cyclictest33-21ksoftirqd/222:02:092
18542992317,3cyclictest33-21ksoftirqd/200:52:122
18542992316,4cyclictest33-21ksoftirqd/220:54:172
18542992316,4cyclictest33-21ksoftirqd/220:47:142
18542992316,4cyclictest33-21ksoftirqd/220:23:212
18542992316,4cyclictest33-21ksoftirqd/200:47:552
18542992316,4cyclictest33-21ksoftirqd/200:23:302
18542992316,4cyclictest28174-21ssh22:56:122
18542992316,4cyclictest28174-21ssh22:56:122
18542992316,4cyclictest28003-21sh23:27:352
18542992316,4cyclictest24518-21grep20:16:592
18542992315,4cyclictest19322-21cpuspeed_turbos22:47:022
18542992315,4cyclictest19322-21cpuspeed_turbos22:47:022
18542992310,3cyclictest33-21ksoftirqd/222:57:262
18535992318,3cyclictest25-21ksoftirqd/122:37:181
18535992318,3cyclictest25-21ksoftirqd/122:15:501
18535992318,3cyclictest18983-21irqrtprio23:52:101
18535992316,4cyclictest6523-21sh23:07:051
18535992316,4cyclictest25-21ksoftirqd/121:10:181
18535992316,4cyclictest25-21ksoftirqd/120:42:481
18535992316,4cyclictest25-21ksoftirqd/120:36:451
18535992315,5cyclictest25218-21sh22:52:101
18535992315,5cyclictest25218-21sh22:52:101
1853099232,18cyclictest29405-21cron00:36:510
18530992318,3cyclictest9-21ksoftirqd/021:13:340
18530992317,4cyclictest9-21ksoftirqd/023:24:460
18530992317,3cyclictest9-21ksoftirqd/023:38:230
18530992317,3cyclictest9-21ksoftirqd/021:24:540
18530992316,4cyclictest9-21ksoftirqd/021:40:320
269972220,2sleep10-21swapper/122:22:001
18542992217,3cyclictest33-21ksoftirqd/201:16:532
18542992217,3cyclictest33-21ksoftirqd/200:07:062
18542992216,4cyclictest33-21ksoftirqd/221:09:592
18542992216,3cyclictest33-21ksoftirqd/222:29:322
18542992216,3cyclictest33-21ksoftirqd/221:44:122
18542992216,3cyclictest26733-21sh00:00:142
18535992216,4cyclictest25-21ksoftirqd/120:08:551
18535992216,4cyclictest14570-21fschecks_time01:27:081
18535992216,3cyclictest25-21ksoftirqd/121:36:511
18535992214,5cyclictest30983-21acpi23:32:021
1853599221,17cyclictest19863-21snmpd01:22:071
18530992217,3cyclictest9-21ksoftirqd/023:57:070
18530992217,3cyclictest9-21ksoftirqd/023:55:430
18530992217,3cyclictest9-21ksoftirqd/001:32:170
18530992217,3cyclictest9-21ksoftirqd/000:22:130
18530992216,3cyclictest9-21ksoftirqd/021:11:210
18530992216,3cyclictest9-21ksoftirqd/020:27:250
18530992215,4cyclictest13693-21sh22:41:490
1853099221,3cyclictest29336-21snmp_o5powerctl21:32:140
1853099221,3cyclictest10138-21snmp_o5powerctl20:52:110
1853099221,18cyclictest27021-21ssh22:22:000
18542992114,4cyclictest33-21ksoftirqd/221:36:322
18542992114,4cyclictest31328-21sh01:11:512
18542992114,4cyclictest23787-21cat21:22:052
18542992114,4cyclictest18923-21tr20:06:592
18542992113,5cyclictest4991-21idleruntime01:17:102
18542992113,5cyclictest10277-21basename00:17:022
18535992116,3cyclictest25-21ksoftirqd/101:17:121
18535992116,3cyclictest25-21ksoftirqd/100:01:501
18535992115,3cyclictest25-21ksoftirqd/123:20:381
18535992115,3cyclictest25-21ksoftirqd/122:49:501
18535992115,3cyclictest25-21ksoftirqd/122:49:501
18535992114,4cyclictest8268-21/usr/sbin/munin23:42:051
18535992114,4cyclictest3401-21/usr/sbin/munin23:37:121
18535992114,4cyclictest27217-21sh01:07:081
18535992114,4cyclictest12281-21apt-get22:07:011
18535992114,3cyclictest25-21ksoftirqd/100:44:311
18535992113,5cyclictest10299-21kworker/u8:123:27:031
1853599211,17cyclictest14683-21cut22:42:061
1853099218,4cyclictest9-21ksoftirqd/000:57:410
18530992116,3cyclictest9-21ksoftirqd/001:28:340
18530992116,3cyclictest9-21ksoftirqd/000:28:340
18530992116,3cyclictest9-21ksoftirqd/000:28:340
18530992115,4cyclictest9-21ksoftirqd/021:44:170
18530992115,3cyclictest9-21ksoftirqd/022:53:550
18530992115,3cyclictest9-21ksoftirqd/022:53:550
18530992115,3cyclictest9-21ksoftirqd/021:48:510
18530992115,3cyclictest15659-21apt-get23:16:540
18530992114,4cyclictest5535-21hddtemp_smartct21:52:030
1853099210,18cyclictest7907-21ssh22:35:190
1854299203,7cyclictest33-21ksoftirqd/223:37:332
18542992014,3cyclictest9361-21sh23:09:232
18542992014,3cyclictest15977-21grep01:27:212
18542992013,4cyclictest33-21ksoftirqd/223:17:192
18542992013,4cyclictest19298-21cstates01:32:072
18542992011,6cyclictest10829-21wc01:22:222
18535992015,3cyclictest25-21ksoftirqd/120:47:051
18535992014,4cyclictest25462-21sshd01:05:161
18535992014,3cyclictest2953-21entropy21:47:031
18535992014,3cyclictest23511-21sendmail_mailst22:17:101
18535992014,3cyclictest1994-21if_enp1s023:02:081
18535992014,3cyclictest11105-21/usr/sbin/munin23:12:101
18535992013,4cyclictest26192-21proc_pri00:32:151
18535992013,4cyclictest25-21ksoftirqd/121:31:051
18535992013,4cyclictest10473-21uptime20:52:141
18535992012,5cyclictest18809-21if_enp1s021:12:021
18530992015,3cyclictest9-21ksoftirqd/023:07:380
18530992014,4cyclictest29704-21sh01:08:580
18530992014,3cyclictest9-21ksoftirqd/020:32:190
18530992014,3cyclictest4311-21sh00:42:400
18530992014,3cyclictest1908-21gltestperf23:02:070
18530992014,3cyclictest14873-21sh23:15:290
18530992014,3cyclictest1055-21runrttasks22:49:120
18530992014,3cyclictest1055-21runrttasks22:49:120
18530992013,4cyclictest11874-21diskmemload23:32:270
1853099200,17cyclictest11874-21diskmemload23:42:470
18542991913,3cyclictest29334-21expr20:26:592
18542991913,3cyclictest14304-21sh22:07:362
1853599191,4cyclictest28045-21cpuspeed_turbos21:32:021
18535991913,3cyclictest8431-21ls21:57:091
18535991913,3cyclictest24344-21/usr/sbin/munin20:17:141
18535991912,4cyclictest30656-21cut00:37:111
18535991912,4cyclictest1463-21sh22:27:391
18535991910,6cyclictest11874-21diskmemload00:02:011
18530991913,3cyclictest8029-21if_ens321:57:060
18530991913,3cyclictest7927-21sed20:47:150
18530991913,3cyclictest27355-21seq21:27:390
18530991913,3cyclictest22684-21cut01:02:110
18530991913,3cyclictest11874-21diskmemload22:45:340
18530991913,3cyclictest11874-21diskmemload00:20:340
1853099191,2cyclictest0-21swapper/001:14:570
18530991912,4cyclictest28574-21seq20:23:190
18530991912,4cyclictest22073-21/usr/sbin/munin22:17:040
18530991912,4cyclictest18877-21timerwakeupswit22:12:160
18530991912,4cyclictest16902-21cat22:11:490
1853099190,16cyclictest11874-21diskmemload00:08:170
1853099190,16cyclictest0-21swapper/000:39:110
18542991812,3cyclictest1636-21basename20:36:572
18535991812,3cyclictest1641-21acpi20:36:571
18535991812,3cyclictest14657-21phc2sys21:02:081
18535991812,3cyclictest14657-21phc2sys21:02:081
18535991811,4cyclictest10761-21latency22:02:101
18530991812,3cyclictest12526-21ls00:52:100
18530991711,3cyclictest22524-21basename20:12:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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