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2026-08-28 - 01:44
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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 Aug 27, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3162521830,4sleep01546599cyclictest11:12:540
3162521830,4sleep01546599cyclictest11:12:540
3134021590,4sleep21548099cyclictest14:41:372
3134021590,4sleep21548099cyclictest14:41:372
691321500,3sleep31548599cyclictest14:48:333
140721460,4sleep21548099cyclictest14:10:292
1068911040,34ptp4l401ktimersoftd/309:29:163
123512870,2sleep30-21swapper/310:32:423
234332840,5sleep21548099cyclictest09:47:402
106891680,1ptp4l401ktimersoftd/311:59:493
300042650,5sleep130007-21irqrtprio11:08:011
233052640,2sleep00-21swapper/013:27:350
200072640,2sleep20-21swapper/214:28:522
202082570,3sleep320211-21tr12:17:573
106891570,1ptp4l401ktimersoftd/312:05:333
106891570,1ptp4l401ktimersoftd/311:44:563
216522560,2sleep20-21swapper/213:24:442
106891560,1ptp4l401ktimersoftd/313:34:463
150782554,10sleep20-21swapper/209:29:012
106891550,1ptp4l401ktimersoftd/311:11:343
15473995424,8cyclictest25-21ksoftirqd/114:43:011
15473995323,8cyclictest25-21ksoftirqd/111:37:431
15485995144,4cyclictest41-21ksoftirqd/313:52:583
1547399514,7cyclictest25-21ksoftirqd/112:38:131
15473995120,9cyclictest25-21ksoftirqd/113:57:491
15473995019,8cyclictest25-21ksoftirqd/111:42:581
151652504,35sleep10-21swapper/109:30:091
306212490,1sleep20-21swapper/213:33:202
15473994936,3cyclictest25-21ksoftirqd/112:08:051
15473994924,4cyclictest25-21ksoftirqd/112:28:051
15473994921,9cyclictest25-21ksoftirqd/114:23:001
126302490,2sleep30-21swapper/311:36:333
106891490,2ptp4l23393-21kworker/3:113:59:273
15473994823,4cyclictest25-21ksoftirqd/112:27:441
15473994822,4cyclictest25-21ksoftirqd/110:37:421
15473994816,9cyclictest25-21ksoftirqd/114:09:081
294312470,2sleep00-21swapper/011:07:560
15473994723,4cyclictest25-21ksoftirqd/110:22:421
15473994723,4cyclictest25-21ksoftirqd/110:17:421
15473994721,5cyclictest25-21ksoftirqd/114:38:121
15473994721,5cyclictest25-21ksoftirqd/114:38:121
15473994721,4cyclictest25-21ksoftirqd/113:38:071
15473994720,5cyclictest25-21ksoftirqd/110:53:001
15473994719,7cyclictest25-21ksoftirqd/109:37:571
15473994719,5cyclictest25-21ksoftirqd/111:37:591
15473994719,4cyclictest25-21ksoftirqd/113:48:081
15473994719,10cyclictest25-21ksoftirqd/111:48:071
1547399471,8cyclictest25-21ksoftirqd/110:02:411
15473994717,8cyclictest25-21ksoftirqd/112:16:131
15473994634,3cyclictest25-21ksoftirqd/113:28:001
15473994623,4cyclictest25-21ksoftirqd/111:22:561
15473994622,4cyclictest25-21ksoftirqd/112:48:051
15473994622,3cyclictest25-21ksoftirqd/110:27:421
15473994621,8cyclictest25-21ksoftirqd/113:13:021
15473994621,10cyclictest25-21ksoftirqd/114:53:041
15473994620,4cyclictest25-21ksoftirqd/113:08:001
15473994619,9cyclictest25-21ksoftirqd/114:12:581
106891460,1ptp4l401ktimersoftd/314:29:213
106891460,1ptp4l401ktimersoftd/313:32:113
106891460,1ptp4l401ktimersoftd/310:59:583
1547399456,7cyclictest25-21ksoftirqd/113:17:591
1547399455,9cyclictest25-21ksoftirqd/114:07:461
15473994521,4cyclictest25-21ksoftirqd/112:33:091
15473994518,8cyclictest25-21ksoftirqd/112:58:131
15473994518,4cyclictest25-21ksoftirqd/111:57:461
15473994515,7cyclictest25-21ksoftirqd/114:59:251
15473994514,8cyclictest25-21ksoftirqd/112:22:161
1547399450,7cyclictest25-21ksoftirqd/113:57:471
13152450,2sleep00-21swapper/011:58:020
106891450,1ptp4l401ktimersoftd/314:40:243
106891450,1ptp4l401ktimersoftd/314:40:243
1547399447,3cyclictest25-21ksoftirqd/114:18:011
1547399444,7cyclictest25-21ksoftirqd/113:45:091
15473994429,3cyclictest25-21ksoftirqd/112:53:321
15473994422,4cyclictest25-21ksoftirqd/111:03:031
15473994421,4cyclictest25-21ksoftirqd/110:27:561
15473994421,3cyclictest25-21ksoftirqd/113:32:591
15473994420,10cyclictest25-21ksoftirqd/110:42:591
15473994417,7cyclictest25-21ksoftirqd/113:03:121
15473994416,10cyclictest25-21ksoftirqd/110:07:551
1547399441,3cyclictest25-21ksoftirqd/109:47:581
1547399436,9cyclictest25-21ksoftirqd/109:33:011
1547399436,8cyclictest25-21ksoftirqd/113:23:041
15473994320,7cyclictest25-21ksoftirqd/111:32:431
15473994319,10cyclictest25-21ksoftirqd/114:28:111
15473994319,10cyclictest25-21ksoftirqd/110:38:121
15473994317,4cyclictest25-21ksoftirqd/110:02:551
15473994316,4cyclictest25-21ksoftirqd/110:57:531
15473994216,5cyclictest25-21ksoftirqd/112:02:521
106891420,0ptp4l401ktimersoftd/312:09:193
1547399414,9cyclictest25-21ksoftirqd/111:13:051
1547399414,9cyclictest25-21ksoftirqd/111:13:051
15473994130,3cyclictest25-21ksoftirqd/111:52:591
15473994119,9cyclictest25-21ksoftirqd/109:42:511
15473994118,4cyclictest25-21ksoftirqd/111:18:001
15473994118,4cyclictest25-21ksoftirqd/110:48:011
15473994115,10cyclictest25-21ksoftirqd/114:52:141
15473994112,8cyclictest25-21ksoftirqd/114:36:231
106891400,0ptp4l401ktimersoftd/313:13:363
1547399394,7cyclictest25-21ksoftirqd/112:43:091
15473993917,4cyclictest25-21ksoftirqd/109:53:091
106891390,1ptp4l401ktimersoftd/314:04:403
106891390,1ptp4l401ktimersoftd/312:38:193
106891390,1ptp4l401ktimersoftd/312:22:573
15485993821,10cyclictest0-21swapper/313:42:593
106891380,1ptp4l401ktimersoftd/314:33:103
106891380,1ptp4l401ktimersoftd/314:15:093
106891380,1ptp4l401ktimersoftd/313:40:023
106891380,1ptp4l401ktimersoftd/313:10:213
106891380,1ptp4l401ktimersoftd/312:59:063
106891380,1ptp4l401ktimersoftd/312:46:163
106891380,1ptp4l401ktimersoftd/312:29:183
106891380,1ptp4l401ktimersoftd/310:42:103
106891370,3ptp4l23393-21kworker/3:113:48:003
106891370,1ptp4l401ktimersoftd/315:01:483
106891370,1ptp4l401ktimersoftd/314:23:373
106891370,1ptp4l401ktimersoftd/313:23:183
106891370,1ptp4l401ktimersoftd/313:18:553
106891370,1ptp4l401ktimersoftd/313:06:443
106891370,1ptp4l401ktimersoftd/312:54:123
106891370,1ptp4l401ktimersoftd/312:52:013
106891370,1ptp4l401ktimersoftd/312:33:313
106891370,1ptp4l401ktimersoftd/311:57:313
106891370,14ptp4l401ktimersoftd/310:17:423
106891360,2ptp4l23393-21kworker/3:114:55:153
106891360,1ptp4l401ktimersoftd/314:20:423
106891360,1ptp4l401ktimersoftd/314:09:593
106891360,1ptp4l401ktimersoftd/311:38:313
106891350,1ptp4l401ktimersoftd/314:43:413
106891350,0ptp4l401ktimersoftd/311:14:553
106891350,0ptp4l401ktimersoftd/311:14:553
106891350,0ptp4l401ktimersoftd/309:59:553
106891340,1ptp4l401ktimersoftd/311:51:593
181292330,2sleep00-21swapper/012:15:050
106891320,1ptp4l401ktimersoftd/310:57:383
106891320,1ptp4l401ktimersoftd/309:42:563
15480993125,3cyclictest33-21ksoftirqd/212:53:132
106891310,0ptp4l401ktimersoftd/310:33:543
15485992923,3cyclictest41-21ksoftirqd/310:43:003
1548099290,6cyclictest8385-21diskmemload13:46:012
106891290,1ptp4l401ktimersoftd/309:39:363
106891290,0ptp4l401ktimersoftd/311:19:153
15485992822,3cyclictest41-21ksoftirqd/310:07:543
15480992821,4cyclictest33-21ksoftirqd/212:29:162
15480992817,6cyclictest33-21ksoftirqd/214:53:002
138402285,10sleep00-21swapper/009:27:580
106891280,9ptp4l401ktimersoftd/310:27:173
106891280,1ptp4l401ktimersoftd/310:02:583
106891280,0ptp4l401ktimersoftd/309:51:043
15485992721,3cyclictest41-21ksoftirqd/310:48:003
15480992720,4cyclictest33-21ksoftirqd/211:43:232
1546599272,18cyclictest0-21swapper/014:02:580
15465992721,3cyclictest9-21ksoftirqd/013:53:040
236022618,3sleep233-21ksoftirqd/211:58:372
15485992620,3cyclictest41-21ksoftirqd/311:07:423
15480992620,4cyclictest33-21ksoftirqd/213:07:582
15480992619,4cyclictest33-21ksoftirqd/209:35:482
15480992618,5cyclictest5383-21grep14:48:022
15465992621,3cyclictest9-21ksoftirqd/009:38:100
15465992619,4cyclictest9-21ksoftirqd/011:43:490
15465992619,4cyclictest9-21ksoftirqd/011:03:060
106891260,0ptp4l401ktimersoftd/309:56:213
15485992521,3cyclictest41-21ksoftirqd/312:13:033
15485992518,4cyclictest4396-21sed11:22:593
15485992518,4cyclictest41-21ksoftirqd/310:18:253
15480992519,3cyclictest33-21ksoftirqd/211:39:052
15480992519,3cyclictest33-21ksoftirqd/210:04:412
15480992518,4cyclictest33-21ksoftirqd/211:26:162
15480992518,4cyclictest33-21ksoftirqd/211:03:242
1546599253,18cyclictest5064-21grep14:47:590
15465992518,4cyclictest9-21ksoftirqd/010:46:000
15465992518,4cyclictest9-21ksoftirqd/009:56:380
15480992418,3cyclictest33-21ksoftirqd/210:27:262
15480992418,3cyclictest33-21ksoftirqd/209:39:092
15480992418,3cyclictest32308-21sh11:57:442
15480992417,4cyclictest33-21ksoftirqd/211:16:332
15480992417,4cyclictest33-21ksoftirqd/211:16:332
1548099240,3cyclictest121rcu_preempt14:07:092
15465992419,3cyclictest9-21ksoftirqd/013:34:340
15465992419,3cyclictest9-21ksoftirqd/013:18:030
15465992418,3cyclictest9-21ksoftirqd/011:40:150
15465992418,3cyclictest9-21ksoftirqd/011:26:590
15465992418,3cyclictest9-21ksoftirqd/010:13:080
15465992417,4cyclictest9-21ksoftirqd/010:03:480
106891240,1ptp4l401ktimersoftd/311:27:583
106891240,1ptp4l401ktimersoftd/309:32:563
1548099233,3cyclictest121rcu_preempt13:29:312
1548099232,6cyclictest121rcu_preempt12:18:072
15480992318,3cyclictest33-21ksoftirqd/213:05:132
15480992317,3cyclictest33-21ksoftirqd/214:58:102
15480992317,3cyclictest33-21ksoftirqd/214:43:532
15480992317,3cyclictest33-21ksoftirqd/213:39:022
15480992317,3cyclictest33-21ksoftirqd/212:59:152
15480992317,3cyclictest33-21ksoftirqd/210:12:492
15480992317,3cyclictest33-21ksoftirqd/209:59:452
15480992317,3cyclictest21376-21sed10:48:112
15480992316,4cyclictest33-21ksoftirqd/214:01:062
15480992316,4cyclictest33-21ksoftirqd/210:59:432
15480992316,4cyclictest33-21ksoftirqd/210:44:172
15480992316,4cyclictest33-21ksoftirqd/210:36:382
15465992318,3cyclictest9-21ksoftirqd/014:57:590
15465992318,3cyclictest9-21ksoftirqd/014:22:040
15465992318,3cyclictest9-21ksoftirqd/013:17:130
15465992318,3cyclictest15234-1kworker/u9:212:48:070
15465992317,3cyclictest9-21ksoftirqd/012:32:150
15465992317,3cyclictest7581-21munin-plugin-st10:22:420
15465992316,4cyclictest9-21ksoftirqd/011:18:440
15465992316,4cyclictest9-21ksoftirqd/010:42:020
15465992316,4cyclictest9-21ksoftirqd/010:34:390
15465992316,4cyclictest9-21ksoftirqd/010:26:290
231442221,17sleep023154-21ssh12:20:190
15480992216,3cyclictest33-21ksoftirqd/212:49:302
15480992216,3cyclictest33-21ksoftirqd/210:41:282
15480992216,3cyclictest33-21ksoftirqd/210:30:152
15480992216,3cyclictest33-21ksoftirqd/210:21:292
15480992215,4cyclictest33-21ksoftirqd/214:24:592
15480992215,4cyclictest19517-21sh13:56:252
15480992214,4cyclictest10032-21irqrtprio13:13:042
1546599223,16cyclictest1436-21tr10:08:000
15465992217,3cyclictest9-21ksoftirqd/013:43:030
15465992217,3cyclictest9-21ksoftirqd/012:47:440
15465992216,3cyclictest9-21ksoftirqd/014:53:480
15465992216,3cyclictest9-21ksoftirqd/012:35:590
15465992215,4cyclictest9-21ksoftirqd/012:07:180
15465992215,4cyclictest9-21ksoftirqd/009:34:540
43272210,17sleep00-21swapper/014:47:300
15480992115,4cyclictest33-21ksoftirqd/210:07:522
15480992115,3cyclictest33-21ksoftirqd/212:11:012
15480992115,3cyclictest33-21ksoftirqd/211:19:362
15480992115,3cyclictest33-21ksoftirqd/211:10:012
15480992115,3cyclictest25633-21sh11:49:352
15480992114,4cyclictest6554-21sh12:37:202
15480992114,4cyclictest3145-21apt-get14:12:582
15480992114,4cyclictest18229-21sh13:22:172
15480992113,4cyclictest7554-21fschecks_count12:38:002
15465992115,3cyclictest9-21ksoftirqd/014:00:480
15465992115,3cyclictest9-21ksoftirqd/013:52:250
15465992115,3cyclictest9-21ksoftirqd/010:29:580
15465992114,4cyclictest9-21ksoftirqd/011:32:410
15465992114,4cyclictest9-21ksoftirqd/010:49:290
15465992114,4cyclictest8899-21unixbench-2d12:38:130
15465992114,4cyclictest27047-21entropy12:58:000
15465992114,4cyclictest11890-21grep12:08:140
1546599211,3cyclictest25559-21ssh14:35:030
15465992112,5cyclictest28983-21tail11:53:040
252362200,2sleep20-21swapper/212:22:572
15480992015,3cyclictest8729-21/usr/sbin/munin11:33:032
15480992014,4cyclictest33-21ksoftirqd/211:28:492
15480992014,3cyclictest33-21ksoftirqd/209:57:142
15480992013,4cyclictest9017-21sh12:06:362
15480992013,4cyclictest47150irq/102-ens3-Tx12:12:492
15480992013,4cyclictest33-21ksoftirqd/209:50:052
15480992013,4cyclictest15900-21sh12:46:342
15480992013,4cyclictest11221-21sh14:20:342
1548099201,16cyclictest12441-21snmp_o5powerctl13:48:132
15465992015,3cyclictest9-21ksoftirqd/011:02:180
15465992014,3cyclictest32206-21if_enp1s0.113:03:000
15465992014,3cyclictest22665-21if_enp1s010:52:580
15465992014,3cyclictest2088-21sh14:11:400
15465992013,4cyclictest8385-21diskmemload14:27:590
15465992013,4cyclictest8385-21diskmemload13:29:080
15465992013,4cyclictest8385-21diskmemload13:11:550
15465992013,4cyclictest24189-21phc2sys11:48:050
15465992013,4cyclictest23108-21seq09:43:490
15465992013,4cyclictest15435-21sh14:24:230
15465992013,4cyclictest1055-21runrttasks12:25:280
15465992012,6cyclictest8551-1kworker/u9:111:35:130
1546599200,18cyclictest0-21swapper/012:52:560
1548099193,10cyclictest22677-21ssh14:32:582
15480991912,4cyclictest22057-21/usr/sbin/munin10:52:572
1546599198,8cyclictest2970-21tail13:38:150
15465991915,2cyclictest0-21swapper/014:17:380
15465991913,3cyclictest23679-21bc09:47:520
15465991912,4cyclictest9-21ksoftirqd/010:01:360
1546599190,5cyclictest29221-21cat14:38:150
1546599190,5cyclictest29221-21cat14:38:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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