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2026-09-09 - 11:35
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Wed Sep 09, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2314921790,5sleep2502899cyclictest23:20:042
1126821640,2sleep30-21swapper/300:57:453
1548521500,2sleep1501999cyclictest02:08:541
1781921480,2sleep2502899cyclictest00:30:222
1068911120,43ptp4l401ktimersoftd/321:34:423
26122840,2sleep00-21swapper/002:29:040
106891770,11ptp4l401ktimersoftd/302:52:573
6792680,3sleep1680-21sh23:40:071
72872650,3sleep0501499cyclictest23:47:440
5019996512,14cyclictest6426-21grep22:45:051
46742644,10sleep00-21swapper/021:36:320
241242610,2sleep10-21swapper/123:24:491
106891610,1ptp4l401ktimersoftd/300:38:123
307022600,2sleep00-21swapper/000:10:490
5019995914,12cyclictest24457-21ssh01:44:421
240212590,2sleep30-21swapper/322:15:013
5019995610,11cyclictest17486-21cat02:10:011
5019995410,12cyclictest8782-21awk22:50:051
106891540,1ptp4l401ktimersoftd/300:25:033
47232534,37sleep20-21swapper/221:37:102
106891530,1ptp4l401ktimersoftd/302:48:143
5028995144,4cyclictest33-21ksoftirqd/201:49:532
501999478,14cyclictest20838-21ssh01:07:221
5019994710,8cyclictest23886-21snmp_o5powerctl22:15:001
106891460,2ptp4l11553-21kworker/3:002:57:443
501999449,8cyclictest7513-21snmp_o5powerctl00:20:061
5019994312,17cyclictest30280-21/usr/sbin/munin00:10:061
5019994212,16cyclictest26656-21/usr/sbin/munin02:19:581
5019994211,17cyclictest9448-21/usr/sbin/munin00:55:071
106891420,2ptp4l15819-21kworker/3:102:33:293
5019994110,17cyclictest0-21swapper/123:00:271
106891410,2ptp4l2321-21kworker/3:223:14:533
106891410,2ptp4l2321-21kworker/3:223:14:533
106891410,1ptp4l401ktimersoftd/322:20:003
501999408,8cyclictest8110-21snmp_o5powerctl02:00:051
5019994032,4cyclictest5030-21latency_hist21:39:341
5019994011,15cyclictest21023-21ssh00:01:031
46332403,3sleep3121rcu_preempt03:04:423
5028993930,5cyclictest33-21ksoftirqd/201:19:562
5019993911,14cyclictest29053-21sshd22:26:051
5019993911,14cyclictest1044-21ssh00:47:031
5019993910,16cyclictest30985-21diskmemload03:03:181
5019993910,15cyclictest4894-21ssh00:50:141
106891390,2ptp4l2321-21kworker/3:221:54:503
106891390,1ptp4l401ktimersoftd/323:44:343
106891390,1ptp4l401ktimersoftd/302:40:093
106891390,1ptp4l401ktimersoftd/302:40:093
106891390,1ptp4l401ktimersoftd/301:24:533
106891390,1ptp4l401ktimersoftd/301:04:243
106891390,1ptp4l401ktimersoftd/301:04:243
501999388,13cyclictest0-21swapper/102:44:571
5019993811,14cyclictest16195-21ssh01:02:491
5019993811,14cyclictest16195-21ssh01:02:491
5019993811,10cyclictest24988-21/usr/sbin/munin00:05:031
5019993810,14cyclictest17931-21ssh01:37:361
5019993810,14cyclictest12998-21ssh23:54:051
106891380,2ptp4l2321-21kworker/3:200:30:383
106891380,1ptp4l401ktimersoftd/323:56:423
106891380,1ptp4l401ktimersoftd/302:12:253
106891380,1ptp4l401ktimersoftd/302:03:243
106891380,1ptp4l401ktimersoftd/301:55:423
106891380,1ptp4l401ktimersoftd/301:53:303
106891380,1ptp4l401ktimersoftd/301:40:023
106891380,1ptp4l401ktimersoftd/301:30:253
106891380,1ptp4l401ktimersoftd/301:18:153
106891380,1ptp4l401ktimersoftd/300:00:093
106891380,0ptp4l401ktimersoftd/302:34:543
106891380,0ptp4l401ktimersoftd/300:41:363
501999379,12cyclictest17890-21irqrtprio23:09:561
5019993716,18cyclictest2489-21timedrift00:15:061
5019993715,18cyclictest27033-21snmp_o5powerctl00:40:021
5019993711,14cyclictest25700-21munin-run02:19:401
106891370,1ptp4l401ktimersoftd/323:46:103
106891370,1ptp4l401ktimersoftd/302:25:123
106891370,1ptp4l401ktimersoftd/302:14:423
106891370,1ptp4l401ktimersoftd/302:08:293
106891370,1ptp4l401ktimersoftd/301:46:523
106891370,1ptp4l401ktimersoftd/301:19:413
106891370,1ptp4l401ktimersoftd/300:50:543
106891370,1ptp4l401ktimersoftd/300:44:463
106891370,1ptp4l401ktimersoftd/300:22:073
106891370,1ptp4l401ktimersoftd/300:19:343
501999366,19cyclictest0-21swapper/121:54:521
5019993624,6cyclictest27782-21apt-get02:54:531
5019993612,9cyclictest32154-21phc2sys-jitter02:25:021
5019993612,9cyclictest22899-21df_inode01:09:551
5019993611,7cyclictest28800-21sh01:15:001
197002360,4sleep1231rcuc/123:14:531
197002360,4sleep1231rcuc/123:14:531
106891360,1ptp4l401ktimersoftd/323:49:593
106891360,1ptp4l401ktimersoftd/322:03:143
106891360,1ptp4l401ktimersoftd/301:14:313
106891360,1ptp4l401ktimersoftd/300:10:463
501999359,13cyclictest10919-21ssh02:36:391
501999356,18cyclictest0-21swapper/121:44:561
501999356,11cyclictest0-21swapper/101:55:061
5019993523,6cyclictest21800-21apt-get23:19:491
5019993522,6cyclictest4848-21apt-get01:24:511
5019993521,9cyclictest5070-21apt-get03:04:551
5014993523,9cyclictest19125-21cron23:14:360
501499351,23cyclictest18661-21ssh23:59:530
106891350,0ptp4l401ktimersoftd/323:25:003
106891350,0ptp4l401ktimersoftd/300:06:383
501999347,11cyclictest0-21swapper/122:04:541
5019993424,6cyclictest14472-21apt-get23:04:481
5019993424,6cyclictest14472-21apt-get23:04:481
5019993422,5cyclictest20173-21apt-get22:09:481
5019993422,5cyclictest15840-21apt-get00:29:511
5019993421,7cyclictest13220-21apt-get02:39:551
5019993421,7cyclictest13220-21apt-get02:39:551
5019993421,6cyclictest19531-21apt-get01:39:521
5019993411,10cyclictest21658-21irqstats00:34:571
5019993410,8cyclictest23209-21ssh02:49:571
106891340,2ptp4l11553-21kworker/3:003:05:543
5019993310,8cyclictest4879-21snmp_o5powerctl02:30:091
106891330,1ptp4l401ktimersoftd/301:09:253
99992320,2sleep20-21swapper/200:55:362
5028993225,4cyclictest33-21ksoftirqd/201:44:422
501999325,17cyclictest0-21swapper/122:39:491
5019993210,8cyclictest784-21ssh01:53:271
5014993227,3cyclictest9-21ksoftirqd/001:14:390
106891320,1ptp4l401ktimersoftd/321:46:353
5028993126,3cyclictest33-21ksoftirqd/201:09:392
5028993125,3cyclictest33-21ksoftirqd/202:49:412
501999314,11cyclictest0-21swapper/100:28:001
5019993116,10cyclictest0-21swapper/123:34:491
5014993124,5cyclictest9-21ksoftirqd/002:49:410
21462310,2sleep00-21swapper/022:39:350
106891310,1ptp4l401ktimersoftd/323:11:413
106891310,1ptp4l401ktimersoftd/323:00:103
106891310,1ptp4l401ktimersoftd/322:50:073
106891310,1ptp4l401ktimersoftd/322:08:473
106891310,1ptp4l401ktimersoftd/301:36:453
502899306,16cyclictest16414-21ssh02:09:532
5028993025,3cyclictest33-21ksoftirqd/202:29:412
5028993024,3cyclictest33-21ksoftirqd/223:54:382
5028993024,3cyclictest33-21ksoftirqd/222:29:362
5028993024,3cyclictest33-21ksoftirqd/200:24:532
5028993022,5cyclictest33-21ksoftirqd/221:45:052
5019993017,9cyclictest32176-21gpgv22:34:371
5019993015,11cyclictest11587-21latency_hist22:59:361
5019993012,15cyclictest10037-21sh01:29:541
106891300,1ptp4l401ktimersoftd/322:57:253
106891300,0ptp4l401ktimersoftd/322:36:373
5028992923,3cyclictest33-21ksoftirqd/203:04:592
5028992922,3cyclictest33-21ksoftirqd/200:49:382
501999295,10cyclictest0-21swapper/122:34:511
501999293,11cyclictest1055-21runrttasks22:04:221
5019992915,11cyclictest11127-21head21:49:501
5014992923,3cyclictest9-21ksoftirqd/001:29:400
106891290,1ptp4l401ktimersoftd/322:11:263
106891290,0ptp4l401ktimersoftd/323:33:473
5028992823,3cyclictest33-21ksoftirqd/202:14:572
5028992821,4cyclictest33-21ksoftirqd/200:03:562
5028992813,12cyclictest23370-21irqrtprio01:09:592
5019992817,8cyclictest3828-21/usr/sbin/munin23:44:561
5019992817,8cyclictest25380-21gltestperf22:19:531
5019992816,8cyclictest5638-21fschecks_time21:39:521
5019992815,9cyclictest27722-21/usr/sbin/munin23:30:001
5019992815,9cyclictest14171-21grep23:54:551
501499285,14cyclictest905-21ssh00:14:490
5014992823,3cyclictest9-21ksoftirqd/001:44:410
5014992814,7cyclictest101ktimersoftd/000:29:510
5028992721,4cyclictest33-21ksoftirqd/221:54:472
5028992721,3cyclictest33-21ksoftirqd/200:36:042
5019992715,9cyclictest32207-21ssh01:19:411
5014992721,3cyclictest9-21ksoftirqd/002:55:100
5014992721,3cyclictest9-21ksoftirqd/001:47:570
5014992720,4cyclictest9-21ksoftirqd/023:03:520
5014992720,4cyclictest9-21ksoftirqd/022:17:390
106891270,8ptp4l401ktimersoftd/322:27:343
5036992619,4cyclictest41-21ksoftirqd/321:52:373
5028992621,3cyclictest33-21ksoftirqd/222:14:522
5028992620,3cyclictest33-21ksoftirqd/200:19:392
501499265,12cyclictest7888-21ssh00:54:500
5014992620,4cyclictest9-21ksoftirqd/002:49:570
5014992620,3cyclictest9-21ksoftirqd/023:49:550
5014992620,3cyclictest9-21ksoftirqd/023:42:460
5014992620,3cyclictest9-21ksoftirqd/000:45:000
5014992620,3cyclictest9-21ksoftirqd/000:34:540
47942260,4sleep05006-21cyclictest22:44:490
106891260,0ptp4l401ktimersoftd/323:21:563
5028992520,3cyclictest33-21ksoftirqd/222:59:362
5028992520,3cyclictest33-21ksoftirqd/222:49:542
5028992520,3cyclictest33-21ksoftirqd/200:59:512
5028992520,3cyclictest33-21ksoftirqd/200:59:512
5028992519,3cyclictest33-21ksoftirqd/223:39:542
5028992519,3cyclictest33-21ksoftirqd/222:21:422
5028992519,3cyclictest33-21ksoftirqd/221:42:192
5028992519,3cyclictest33-21ksoftirqd/202:50:002
5028992519,3cyclictest33-21ksoftirqd/200:39:572
5028992518,4cyclictest33-21ksoftirqd/222:55:072
5028992518,4cyclictest33-21ksoftirqd/222:45:232
5028992518,4cyclictest33-21ksoftirqd/222:07:542
5028992518,4cyclictest33-21ksoftirqd/201:57:432
5028992515,6cyclictest30985-21diskmemload23:55:082
5014992519,4cyclictest9-21ksoftirqd/000:20:060
5014992519,3cyclictest9-21ksoftirqd/021:43:590
5014992519,3cyclictest9-21ksoftirqd/002:35:510
5014992519,3cyclictest9-21ksoftirqd/002:22:420
5014992519,3cyclictest9-21ksoftirqd/001:51:180
5014992518,4cyclictest6555-1kworker/u9:002:05:080
106891250,1ptp4l401ktimersoftd/323:05:113
106891250,1ptp4l401ktimersoftd/323:05:113
106891250,0ptp4l401ktimersoftd/322:33:573
502899243,3cyclictest121rcu_preempt00:08:492
5028992418,4cyclictest33-21ksoftirqd/223:31:122
5028992418,3cyclictest33-21ksoftirqd/201:59:592
5028992418,3cyclictest33-21ksoftirqd/200:19:542
5028992417,4cyclictest33-21ksoftirqd/222:32:512
5028992417,4cyclictest33-21ksoftirqd/221:50:192
5028992417,4cyclictest33-21ksoftirqd/200:49:532
5028992416,4cyclictest29093-21ptp4l02:55:042
5014992419,3cyclictest9-21ksoftirqd/021:44:490
5014992419,3cyclictest9-21ksoftirqd/001:35:080
5014992419,3cyclictest9-21ksoftirqd/001:14:530
5014992418,4cyclictest9-21ksoftirqd/002:39:550
5014992418,4cyclictest9-21ksoftirqd/002:39:550
5014992418,3cyclictest9-21ksoftirqd/023:15:400
5014992418,3cyclictest9-21ksoftirqd/023:15:400
5014992417,4cyclictest9-21ksoftirqd/023:28:530
5014992417,4cyclictest9-21ksoftirqd/021:57:120
5014992417,4cyclictest28035-21sh00:09:380
106891240,1ptp4l401ktimersoftd/321:39:483
106891240,1ptp4l401ktimersoftd/302:20:073
106891240,0ptp4l401ktimersoftd/322:44:003
502899232,18cyclictest11094-21ssh01:30:022
5028992318,3cyclictest33-21ksoftirqd/202:40:002
5028992318,3cyclictest33-21ksoftirqd/202:40:002
5028992318,3cyclictest33-21ksoftirqd/202:19:432
5028992317,3cyclictest33-21ksoftirqd/223:47:122
5028992317,3cyclictest33-21ksoftirqd/202:34:552
5028992317,3cyclictest33-21ksoftirqd/201:15:082
5028992316,4cyclictest33-21ksoftirqd/223:17:072
5028992316,4cyclictest33-21ksoftirqd/223:17:072
5028992316,4cyclictest33-21ksoftirqd/203:04:422
5028992316,4cyclictest33-21ksoftirqd/201:39:282
5028992315,5cyclictest15560-21cpuspeed_turbos21:59:482
5014992317,3cyclictest9-21ksoftirqd/022:40:520
5014992317,3cyclictest9-21ksoftirqd/022:23:500
5014992317,3cyclictest9-21ksoftirqd/022:07:160
5014992316,4cyclictest9-21ksoftirqd/023:22:350
5014992316,4cyclictest9-21ksoftirqd/022:32:010
5014992316,4cyclictest9-21ksoftirqd/022:13:580
5014992314,5cyclictest25691-21latency_hist02:19:410
106891230,1ptp4l401ktimersoftd/323:34:523
106891230,1ptp4l401ktimersoftd/322:45:033
5028992215,4cyclictest33-21ksoftirqd/223:11:372
5028992215,4cyclictest29292-21grep23:34:532
5028992215,4cyclictest14971-21idleruntime23:04:542
5028992215,4cyclictest14971-21idleruntime23:04:542
5028992214,4cyclictest9332-21cron01:29:402
5028992212,5cyclictest29379-21kernelversion00:09:552
5014992217,3cyclictest9-21ksoftirqd/022:49:510
5014992217,3cyclictest9-21ksoftirqd/000:51:430
5014992216,3cyclictest9-21ksoftirqd/022:25:180
5014992216,3cyclictest9-21ksoftirqd/001:54:520
5014992215,4cyclictest9-21ksoftirqd/000:26:150
1540422216,3sleep09-21ksoftirqd/001:01:290
1540422216,3sleep09-21ksoftirqd/001:01:290
502899215,10cyclictest0-21swapper/222:34:482
502899212,16cyclictest2680-21grep22:39:532
5028992116,3cyclictest33-21ksoftirqd/201:39:552
5028992115,3cyclictest33-21ksoftirqd/202:07:432
502899210,3cyclictest121rcu_preempt02:34:362
501499219,6cyclictest101ktimersoftd/023:04:490
501499219,6cyclictest101ktimersoftd/023:04:490
5014992116,3cyclictest9-21ksoftirqd/023:30:010
5014992115,3cyclictest9-21ksoftirqd/023:35:580
5014992115,3cyclictest9-21ksoftirqd/022:03:540
5014992115,3cyclictest9-21ksoftirqd/002:34:140
5014992114,4cyclictest9-21ksoftirqd/021:51:460
5014992114,4cyclictest6899-21uptime03:05:130
5014992114,4cyclictest17986-21fschecks_count01:04:540
5014992112,3cyclictest30985-21diskmemload01:20:320
5014992014,3cyclictest25430-21sh00:39:410
5014992014,3cyclictest18728-21kworker/0:101:59:590
5014992013,4cyclictest10056-21awk22:54:550
5014992012,6cyclictest11097-21ptp4l-jitter01:30:020
5014992010,8cyclictest1878-21timerwakeupswit03:00:100
5028991912,4cyclictest20340-21cstates22:09:502
5028991911,5cyclictest24501-21grep23:24:532
501499197,9cyclictest15452-21unixbench-2d23:55:070
501499191,3cyclictest16550-21tr02:09:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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