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2026-05-17 - 08:01
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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 May 17, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
570021680,5sleep21663799cyclictest01:49:292
3225921580,5sleep31664299cyclictest21:06:223
396421520,4sleep01662899cyclictest22:21:300
3236321490,4sleep11663299cyclictest22:57:411
3236321490,4sleep11663299cyclictest22:57:411
1950121480,4sleep11663299cyclictest20:41:071
1068911200,8ptp4l11518-21kworker/3:020:35:423
145922900,3sleep20-21swapper/220:31:182
106891700,10ptp4l401ktimersoftd/300:02:173
106891660,9ptp4l401ktimersoftd/321:14:253
106891650,6ptp4l401ktimersoftd/323:21:023
15982630,3sleep31664299cyclictest00:06:163
203082600,1sleep20-21swapper/223:18:292
106891600,1ptp4l401ktimersoftd/322:49:573
106891580,1ptp4l401ktimersoftd/322:41:483
106891580,1ptp4l401ktimersoftd/301:53:173
106891560,1ptp4l401ktimersoftd/301:39:243
106891560,1ptp4l401ktimersoftd/300:33:153
314302550,3sleep1231rcuc/101:41:421
248532540,1sleep10-21swapper/123:22:541
163932524,36sleep10-21swapper/120:34:201
16632994911,26cyclictest7110-21seq22:30:221
1663299483,36cyclictest27174-21apt-get23:26:211
149072480,2sleep30-21swapper/321:36:253
106891480,1ptp4l401ktimersoftd/323:45:513
106891480,1ptp4l401ktimersoftd/300:39:583
13732470,2sleep10-21swapper/100:06:101
106891470,1ptp4l401ktimersoftd/301:01:423
106891460,1ptp4l401ktimersoftd/322:55:203
106891460,1ptp4l401ktimersoftd/322:55:203
316702450,1sleep30-21swapper/301:41:483
106891430,1ptp4l401ktimersoftd/301:19:213
147312400,1sleep30-21swapper/300:19:133
106891400,1ptp4l401ktimersoftd/322:16:253
106891400,1ptp4l401ktimersoftd/300:11:533
106891390,1ptp4l401ktimersoftd/323:22:563
106891390,1ptp4l401ktimersoftd/301:33:233
106891390,1ptp4l401ktimersoftd/300:45:153
106891390,1ptp4l401ktimersoftd/300:45:153
1663299382,29cyclictest24893-21apt-get01:36:231
16632993814,21cyclictest8982-21idleruntime-cro23:41:091
1663299380,5cyclictest21316-21ssh00:59:301
1663299380,5cyclictest21290-21fschecks_time21:51:221
106891380,1ptp4l401ktimersoftd/323:32:193
106891380,1ptp4l401ktimersoftd/302:00:553
106891380,1ptp4l401ktimersoftd/301:10:463
106891380,1ptp4l401ktimersoftd/300:59:513
106891380,1ptp4l401ktimersoftd/300:47:073
16632993717,17cyclictest12464-21cut00:16:301
1663299370,5cyclictest415-21ssh00:37:011
1663299370,4cyclictest6951-21/usr/sbin/munin21:21:211
1663299370,4cyclictest6449-21ssh01:50:471
1663299370,4cyclictest3191-21/usr/sbin/munin00:41:341
1663299370,4cyclictest3191-21/usr/sbin/munin00:41:341
1663299370,3cyclictest9535-21ssh00:13:371
1663299370,3cyclictest27383-21ssh23:58:371
1663299370,3cyclictest27180-21sed22:01:341
106891370,1ptp4l401ktimersoftd/323:57:073
106891370,1ptp4l401ktimersoftd/323:47:083
106891370,1ptp4l401ktimersoftd/322:58:173
106891370,1ptp4l401ktimersoftd/322:58:173
106891370,1ptp4l401ktimersoftd/302:05:073
106891370,1ptp4l401ktimersoftd/301:49:023
106891370,1ptp4l401ktimersoftd/301:21:223
106891370,1ptp4l401ktimersoftd/300:54:143
106891370,1ptp4l401ktimersoftd/300:29:183
106891370,1ptp4l401ktimersoftd/300:22:233
106891370,0ptp4l401ktimersoftd/323:52:103
106891370,0ptp4l401ktimersoftd/323:07:593
1663299362,4cyclictest19566-21apt-get23:51:241
16632993617,16cyclictest13001-21sh00:51:231
16632993613,20cyclictest12762-21sh23:11:261
1663299361,30cyclictest14911-21ssh22:41:211
1663299360,4cyclictest11382-21ssh01:21:381
1663299360,3cyclictest8227-21missed_timers01:51:351
1663299360,3cyclictest16759-21ssh01:26:551
106891360,1ptp4l401ktimersoftd/322:06:273
106891360,0ptp4l401ktimersoftd/323:38:003
106891360,0ptp4l401ktimersoftd/322:38:213
106891360,0ptp4l401ktimersoftd/301:30:183
16642993529,3cyclictest41-21ksoftirqd/320:41:053
1663299359,22cyclictest19926-21sort22:46:211
1663299358,24cyclictest9547-21latency_hist01:21:121
1663299358,23cyclictest10461-21gltestperf22:36:241
1663299353,27cyclictest0-21swapper/121:06:171
1663299352,5cyclictest0-21swapper/123:41:211
1663299351,5cyclictest0-21swapper/123:31:211
1663299351,4cyclictest24653-21rm22:51:161
1663299351,4cyclictest24653-21rm22:51:161
1663299351,3cyclictest5075-21ssh23:03:031
16632993511,21cyclictest1609-21ptp4l-jitter22:16:281
16632993510,22cyclictest18964-21grep21:46:231
16632993510,22cyclictest17847-21gltestperf23:16:231
16632993510,22cyclictest12461-21cut01:56:301
1663299350,4cyclictest16543-21fschecks_time21:41:211
1663299350,4cyclictest10069-21ssh00:46:501
1663299350,3cyclictest9294-21rm23:06:511
1663299350,3cyclictest4186-21ssh00:07:451
1663299350,3cyclictest21857-21irqrtprio00:26:291
106891350,1ptp4l401ktimersoftd/323:04:143
106891350,0ptp4l401ktimersoftd/323:29:573
106891350,0ptp4l401ktimersoftd/321:56:283
16637993414,18cyclictest33-21ksoftirqd/223:41:242
1663299347,24cyclictest31689-21rm01:10:381
1663299346,24cyclictest29738-21fschecks_time21:01:211
1663299346,24cyclictest29738-21fschecks_time21:01:211
1663299342,4cyclictest0-21swapper/120:36:181
1663299342,28cyclictest0-21swapper/122:06:191
16632993413,18cyclictest47050irq/101-ens3-Tx02:01:361
16632993412,19cyclictest17566-21sh00:21:331
16632993411,20cyclictest26115-21grep00:31:221
1663299340,4cyclictest24473-21ssh01:36:111
1663299340,3cyclictest25281-21/usr/sbin/munin20:51:241
106891340,1ptp4l401ktimersoftd/323:15:123
106891340,1ptp4l401ktimersoftd/301:15:303
95242330,2sleep00-21swapper/000:13:360
16632993313,17cyclictest30344-21/usr/sbin/munin22:11:351
16632993310,20cyclictest8086-21if_err_enp1s022:31:261
16632993310,20cyclictest405-21grep01:11:271
1663299330,4cyclictest3285-21snmp_o5powerctl21:11:291
1663299330,3cyclictest23963-21irqrtprio21:56:261
1663299330,3cyclictest23652-21snmp_o5powerctl20:46:321
106891330,1ptp4l401ktimersoftd/322:25:343
16637993227,3cyclictest33-21ksoftirqd/223:56:222
16637993227,3cyclictest33-21ksoftirqd/202:06:122
16637993227,3cyclictest33-21ksoftirqd/200:26:102
1663299327,22cyclictest5051-21cut21:16:241
1663299327,21cyclictest22940-21cat01:01:251
1663299323,26cyclictest15484-21irqrtprio23:46:271
1663299322,25cyclictest0-21swapper/122:21:201
106891320,1ptp4l401ktimersoftd/321:26:243
106891320,1ptp4l401ktimersoftd/321:02:533
106891320,1ptp4l401ktimersoftd/321:02:533
1663299316,22cyclictest10369-21mailstats21:26:281
16637993025,3cyclictest33-21ksoftirqd/223:21:272
16637993024,3cyclictest33-21ksoftirqd/201:21:262
1663299307,20cyclictest28227-21processes20:56:401
157182305,10sleep00-21swapper/020:31:290
16642992923,3cyclictest41-21ksoftirqd/320:46:053
16637992924,3cyclictest33-21ksoftirqd/222:41:322
16637992924,3cyclictest33-21ksoftirqd/222:06:072
16637992924,3cyclictest33-21ksoftirqd/221:56:262
16637992924,3cyclictest33-21ksoftirqd/220:51:252
16637992924,3cyclictest33-21ksoftirqd/201:51:282
16637992923,4cyclictest33-21ksoftirqd/222:36:072
16637992923,4cyclictest33-21ksoftirqd/200:51:292
16637992923,3cyclictest33-21ksoftirqd/220:46:052
1663299299,17cyclictest13702-21latency_hist21:36:071
1663299290,4cyclictest14847-21/usr/sbin/munin21:36:241
16628992923,3cyclictest9-21ksoftirqd/022:46:070
106891290,1ptp4l401ktimersoftd/320:55:193
16642992823,3cyclictest41-21ksoftirqd/321:31:233
16642992822,3cyclictest41-21ksoftirqd/321:46:073
16637992823,3cyclictest33-21ksoftirqd/201:31:302
16637992822,3cyclictest33-21ksoftirqd/221:06:192
16637992813,5cyclictest33-21ksoftirqd/222:46:092
1662899285,13cyclictest29788-21ssh01:41:240
1662899284,13cyclictest25998-21ssh00:31:210
16628992822,3cyclictest9-21ksoftirqd/023:01:210
12962280,2sleep00-21swapper/001:11:330
16637992722,3cyclictest33-21ksoftirqd/223:36:382
16637992722,3cyclictest33-21ksoftirqd/221:16:242
16637992722,3cyclictest33-21ksoftirqd/201:41:422
16637992721,3cyclictest33-21ksoftirqd/221:31:362
16637992721,3cyclictest33-21ksoftirqd/200:26:242
16637992718,7cyclictest33-21ksoftirqd/200:41:232
16637992718,7cyclictest33-21ksoftirqd/200:41:232
16637992712,14cyclictest33-21ksoftirqd/200:56:292
16642992621,3cyclictest41-21ksoftirqd/321:46:233
16642992620,3cyclictest41-21ksoftirqd/322:12:463
16637992621,3cyclictest33-21ksoftirqd/222:21:272
16637992621,3cyclictest33-21ksoftirqd/221:36:202
16637992621,3cyclictest33-21ksoftirqd/201:41:122
16637992621,3cyclictest33-21ksoftirqd/201:26:292
16637992621,3cyclictest33-21ksoftirqd/200:06:102
16637992620,4cyclictest33-21ksoftirqd/200:06:232
16637992620,3cyclictest33-21ksoftirqd/223:46:262
16637992619,4cyclictest33-21ksoftirqd/222:13:462
16637992612,11cyclictest21587-21irqrtprio21:51:242
16637992610,4cyclictest33-21ksoftirqd/223:26:212
16628992621,3cyclictest9-21ksoftirqd/023:16:080
16628992620,3cyclictest9-21ksoftirqd/001:19:360
16628992619,4cyclictest9-21ksoftirqd/022:04:000
16628992619,4cyclictest9-21ksoftirqd/021:04:550
16628992619,4cyclictest9-21ksoftirqd/021:04:550
106891260,1ptp4l401ktimersoftd/322:33:013
80172250,20sleep00-21swapper/023:06:280
523922519,2sleep09-21ksoftirqd/000:41:550
523922519,2sleep09-21ksoftirqd/000:41:550
16642992520,3cyclictest41-21ksoftirqd/322:01:293
16642992520,3cyclictest41-21ksoftirqd/321:16:193
16642992519,3cyclictest41-21ksoftirqd/320:57:003
16642992518,4cyclictest41-21ksoftirqd/321:51:183
16637992520,3cyclictest33-21ksoftirqd/223:06:082
16637992520,3cyclictest33-21ksoftirqd/221:46:252
16637992520,3cyclictest33-21ksoftirqd/200:41:102
16637992520,3cyclictest33-21ksoftirqd/200:20:532
16637992519,4cyclictest33-21ksoftirqd/223:56:102
16637992519,3cyclictest33-21ksoftirqd/223:36:102
16637992519,3cyclictest33-21ksoftirqd/221:02:032
16637992519,3cyclictest33-21ksoftirqd/221:02:032
16637992519,3cyclictest33-21ksoftirqd/200:11:222
16637992518,4cyclictest33-21ksoftirqd/220:58:062
16637992510,3cyclictest33-21ksoftirqd/201:12:022
1662899252,14cyclictest64-21kswapd000:21:220
16628992520,3cyclictest9-21ksoftirqd/023:26:350
16628992519,3cyclictest9897-21tail00:46:390
1452912518,3phc2sys41-21ksoftirqd/321:21:203
127832251,4sleep012856-21snmp_o5powerctl00:16:340
16637992419,3cyclictest33-21ksoftirqd/222:51:292
16637992419,3cyclictest33-21ksoftirqd/222:51:292
16637992419,3cyclictest33-21ksoftirqd/201:56:412
16637992419,3cyclictest33-21ksoftirqd/201:21:122
16637992419,3cyclictest33-21ksoftirqd/200:46:232
16637992418,3cyclictest33-21ksoftirqd/221:30:042
16637992418,3cyclictest33-21ksoftirqd/200:34:012
16637992417,4cyclictest33-21ksoftirqd/221:23:192
16628992419,3cyclictest9-21ksoftirqd/023:36:320
16628992419,3cyclictest9-21ksoftirqd/001:25:390
16628992418,3cyclictest9-21ksoftirqd/022:59:240
16628992418,3cyclictest9-21ksoftirqd/022:59:240
16628992418,3cyclictest9-21ksoftirqd/022:13:150
16628992418,3cyclictest9-21ksoftirqd/020:52:020
16628992417,4cyclictest9-21ksoftirqd/023:23:290
16628992417,4cyclictest9-21ksoftirqd/022:32:180
16628992417,4cyclictest9-21ksoftirqd/022:20:420
16628992417,4cyclictest9-21ksoftirqd/000:04:160
129252240,2sleep20-21swapper/223:11:272
106891240,1ptp4l401ktimersoftd/322:26:253
106891240,1ptp4l401ktimersoftd/320:46:173
1663799238,3cyclictest33-21ksoftirqd/222:57:232
1663799238,3cyclictest33-21ksoftirqd/222:57:232
16637992317,3cyclictest33-21ksoftirqd/222:27:142
16637992317,3cyclictest33-21ksoftirqd/220:39:152
16637992317,3cyclictest33-21ksoftirqd/201:06:282
16637992316,4cyclictest33-21ksoftirqd/222:07:032
16628992319,2cyclictest9-21ksoftirqd/023:16:230
16628992317,3cyclictest9-21ksoftirqd/022:10:550
16628992317,3cyclictest9-21ksoftirqd/021:39:230
16628992317,3cyclictest20320-21head20:41:220
16628992316,4cyclictest9-21ksoftirqd/022:47:240
16628992316,4cyclictest9-21ksoftirqd/022:00:430
16628992316,4cyclictest9-21ksoftirqd/021:43:530
16628992315,5cyclictest32216-21grep23:31:220
16637992216,3cyclictest33-21ksoftirqd/223:11:092
16637992216,3cyclictest33-21ksoftirqd/222:39:232
16637992216,3cyclictest33-21ksoftirqd/201:01:322
16637992215,4cyclictest33-21ksoftirqd/222:17:472
16637992215,4cyclictest33-21ksoftirqd/220:48:512
1662899222,17cyclictest13689-21unixbench_multi01:56:420
16628992217,3cyclictest9-21ksoftirqd/002:01:400
16628992216,3cyclictest9-21ksoftirqd/021:20:500
16628992216,3cyclictest9-21ksoftirqd/020:58:140
16628992216,3cyclictest9-21ksoftirqd/020:46:160
16628992215,4cyclictest9-21ksoftirqd/022:28:370
16628992215,4cyclictest9-21ksoftirqd/021:51:560
16628992214,5cyclictest46950irq/100-ens3-Tx23:56:220
16628992214,4cyclictest24967-21cstates22:51:230
16628992214,4cyclictest24967-21cstates22:51:230
286302210,2sleep00-21swapper/001:39:560
16637992116,3cyclictest33-21ksoftirqd/221:41:242
16628992116,3cyclictest9-21ksoftirqd/021:48:590
16628992116,3cyclictest9-21ksoftirqd/001:30:380
16628992116,3cyclictest9-21ksoftirqd/000:06:290
16628992115,4cyclictest9-21ksoftirqd/021:25:220
16628992114,4cyclictest13771-21irqrtprio00:51:290
16628992114,4cyclictest1055-21runrttasks20:36:310
1662899210,5cyclictest14318-21latency_hist23:46:100
16637992015,3cyclictest33-21ksoftirqd/221:11:382
1662899209,8cyclictest2739-21grep01:46:280
1662899203,9cyclictest64-21kswapd001:06:240
16628992015,3cyclictest23737-21memory01:01:310
16628992014,3cyclictest9-21ksoftirqd/021:10:450
16628992014,3cyclictest1055-21runrttasks01:35:200
16628992013,4cyclictest9559-21diskmemload01:54:400
16628992013,4cyclictest22397-21sh01:01:110
16628992013,3cyclictest11818-21fschecks_time21:31:230
1662899201,16cyclictest3074-21cut21:11:260
1662899201,16cyclictest21583-21gltestperf00:26:270
16628991913,3cyclictest9842-21sh22:36:150
16628991913,3cyclictest30752-21/usr/sbin/munin00:36:400
16628991913,3cyclictest20376-21cut23:51:310
16628991911,4cyclictest9473-21gltestperf21:26:220
1662899190,17cyclictest0-21swapper/023:48:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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