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2026-08-12 - 06:53
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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 Aug 12, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
740722620,4sleep00-21swapper/021:19:160
2480621790,5sleep0963299cyclictest23:44:520
853521470,4sleep3964899cyclictest02:14:343
853521470,4sleep3964899cyclictest02:14:343
1068911060,39ptp4l401ktimersoftd/321:22:333
9648996652,7cyclictest41-21ksoftirqd/322:14:243
9648996350,6cyclictest41-21ksoftirqd/302:24:263
9648996232,3cyclictest41-21ksoftirqd/323:49:263
9648996049,5cyclictest41-21ksoftirqd/322:09:223
106891600,1ptp4l401ktimersoftd/301:59:143
9648995828,5cyclictest41-21ksoftirqd/300:44:373
50882580,2sleep30-21swapper/302:44:293
106891580,1ptp4l401ktimersoftd/301:56:193
106891580,1ptp4l401ktimersoftd/301:40:233
73962554,36sleep10-21swapper/121:19:101
182512550,3sleep30-21swapper/321:39:253
9648995422,5cyclictest41-21ksoftirqd/323:34:313
165922540,1sleep20-21swapper/202:23:372
275302530,2sleep00-21swapper/002:00:140
11402530,2sleep30-21swapper/302:07:193
11302520,2sleep00-21swapper/000:28:120
9648995026,4cyclictest41-21ksoftirqd/300:59:353
9648994932,3cyclictest41-21ksoftirqd/323:44:113
9648994919,7cyclictest41-21ksoftirqd/300:29:353
9648994822,4cyclictest41-21ksoftirqd/323:57:413
9648994724,4cyclictest41-21ksoftirqd/301:12:183
9648994723,4cyclictest41-21ksoftirqd/302:36:153
9648994723,4cyclictest41-21ksoftirqd/302:13:173
9648994721,4cyclictest41-21ksoftirqd/300:22:353
9648994636,3cyclictest41-21ksoftirqd/301:19:283
9648994622,4cyclictest41-21ksoftirqd/301:38:223
9648994621,4cyclictest41-21ksoftirqd/301:25:053
9648994621,4cyclictest41-21ksoftirqd/300:56:383
9648994621,4cyclictest41-21ksoftirqd/300:15:513
964899461,8cyclictest41-21ksoftirqd/300:40:463
106891460,2ptp4l3386-21kworker/3:000:26:323
106891460,1ptp4l401ktimersoftd/300:03:353
9648994535,3cyclictest41-21ksoftirqd/301:04:403
9648994522,3cyclictest41-21ksoftirqd/302:42:303
9648994521,4cyclictest41-21ksoftirqd/323:28:563
9648994521,4cyclictest41-21ksoftirqd/302:33:413
9648994520,11cyclictest41-21ksoftirqd/301:44:423
9648994512,3cyclictest121rcu_preempt02:20:013
964899447,3cyclictest41-21ksoftirqd/323:09:243
9648994421,4cyclictest41-21ksoftirqd/301:16:293
9648994420,4cyclictest41-21ksoftirqd/301:50:253
9648994415,5cyclictest41-21ksoftirqd/322:34:283
964899441,11cyclictest8489-21perl23:29:263
964899436,3cyclictest41-21ksoftirqd/300:34:403
9648994232,3cyclictest41-21ksoftirqd/301:29:263
9648994222,7cyclictest41-21ksoftirqd/322:29:093
9648994221,8cyclictest41-21ksoftirqd/321:24:203
9648994220,7cyclictest41-21ksoftirqd/321:59:253
106891420,1ptp4l401ktimersoftd/323:07:033
964899416,3cyclictest41-21ksoftirqd/323:14:383
964899415,3cyclictest41-21ksoftirqd/323:19:313
964899414,7cyclictest41-21ksoftirqd/300:09:223
9648994126,12cyclictest41-21ksoftirqd/322:29:083
964899412,3cyclictest121rcu_preempt22:54:093
9648994122,7cyclictest41-21ksoftirqd/322:54:363
9648994119,3cyclictest41-21ksoftirqd/300:07:263
9648994111,8cyclictest41-21ksoftirqd/321:49:213
9636994134,4cyclictest16221-21idleruntime-cro22:44:081
964899406,3cyclictest41-21ksoftirqd/322:04:233
9648994031,7cyclictest40092irq/92-enp1s0-T22:19:303
964899402,8cyclictest41-21ksoftirqd/300:49:333
9648994027,4cyclictest41-21ksoftirqd/302:52:213
9648994025,12cyclictest41-21ksoftirqd/321:54:243
9648993929,3cyclictest41-21ksoftirqd/321:44:263
9648993922,4cyclictest41-21ksoftirqd/322:59:223
964899390,9cyclictest41-21ksoftirqd/323:44:313
964899385,7cyclictest41-21ksoftirqd/322:39:393
9648993820,7cyclictest41-21ksoftirqd/321:34:193
92942385,21sleep20-21swapper/221:21:002
106891380,1ptp4l401ktimersoftd/321:30:393
9648993630,3cyclictest41-21ksoftirqd/322:44:323
9648993630,3cyclictest41-21ksoftirqd/322:44:323
48082330,4sleep24807-21latency_hist23:59:112
964399306,6cyclictest1055-21runrttasks01:21:192
315682290,3sleep2964399cyclictest02:38:582
17122290,2sleep00-21swapper/002:40:010
9632992821,4cyclictest9-21ksoftirqd/002:14:270
9632992821,4cyclictest9-21ksoftirqd/002:14:270
9643992721,3cyclictest33-21ksoftirqd/223:49:292
9643992721,3cyclictest33-21ksoftirqd/202:44:402
9643992720,4cyclictest33-21ksoftirqd/221:50:282
9643992720,4cyclictest29719-21snmp_o5powerctl23:09:362
964399270,2cyclictest121rcu_preempt02:07:032
9632992721,3cyclictest9-21ksoftirqd/023:05:280
9632992721,3cyclictest9-21ksoftirqd/002:45:020
70722270,2sleep00-21swapper/002:14:120
964399264,19cyclictest30710-21missed_timers00:24:302
9643992621,3cyclictest33-21ksoftirqd/200:34:152
9643992620,3cyclictest33-21ksoftirqd/200:57:332
9643992619,4cyclictest33-21ksoftirqd/222:18:302
9643992619,4cyclictest33-21ksoftirqd/201:24:262
9636992619,4cyclictest25-21ksoftirqd/122:54:181
9636992619,4cyclictest11407-21grep02:49:451
9632992620,3cyclictest9-21ksoftirqd/023:00:030
9632992619,4cyclictest9-21ksoftirqd/021:29:190
152292260,1sleep00-21swapper/001:14:330
9643992520,3cyclictest33-21ksoftirqd/201:19:122
9643992519,3cyclictest33-21ksoftirqd/222:27:562
9643992517,5cyclictest33-21ksoftirqd/222:39:032
9636992520,3cyclictest25-21ksoftirqd/101:14:221
9636992518,4cyclictest25-21ksoftirqd/123:34:251
9632992520,3cyclictest9-21ksoftirqd/022:24:210
9632992520,3cyclictest9-21ksoftirqd/001:08:230
9632992519,3cyclictest9-21ksoftirqd/001:34:400
9632992519,3cyclictest10145-21tail02:49:320
9632992518,4cyclictest9-21ksoftirqd/021:26:450
963299250,12cyclictest223072cat00:49:260
78002250,2sleep10-21swapper/102:46:491
9643992418,3cyclictest33-21ksoftirqd/200:33:002
9643992417,4cyclictest33-21ksoftirqd/223:17:482
9643992417,4cyclictest33-21ksoftirqd/202:42:522
9643992417,4cyclictest33-21ksoftirqd/202:01:362
9643992417,4cyclictest33-21ksoftirqd/200:20:232
9643992411,4cyclictest33-21ksoftirqd/201:34:542
963699244,18cyclictest47050irq/101-ens3-Tx00:18:231
9636992419,3cyclictest25-21ksoftirqd/101:19:291
9636992417,4cyclictest25-21ksoftirqd/122:06:081
9636992417,4cyclictest25-21ksoftirqd/122:04:001
9636992417,4cyclictest25-21ksoftirqd/121:34:191
9636992417,4cyclictest20873-21grep01:54:301
9632992418,3cyclictest9-21ksoftirqd/001:55:240
9632992417,4cyclictest31991-21grep00:59:250
104862240,19sleep00-21swapper/001:09:360
964399233,12cyclictest9097-21ssh01:09:242
964399232,13cyclictest10035-21ssh00:04:202
9643992317,3cyclictest33-21ksoftirqd/222:23:322
9643992317,3cyclictest33-21ksoftirqd/221:59:082
9643992317,3cyclictest33-21ksoftirqd/200:44:242
9643992317,3cyclictest33-21ksoftirqd/200:16:542
9643992316,4cyclictest33-21ksoftirqd/223:08:242
9643992316,4cyclictest33-21ksoftirqd/222:56:202
9643992316,4cyclictest33-21ksoftirqd/221:48:072
9643992316,4cyclictest33-21ksoftirqd/221:35:502
9636992317,3cyclictest25-21ksoftirqd/122:36:381
9636992316,4cyclictest556-21needreboot00:59:321
9636992316,4cyclictest25-21ksoftirqd/123:09:561
9636992315,6cyclictest25-21ksoftirqd/100:06:391
9636992313,6cyclictest47050irq/101-ens3-Tx02:39:261
9636992311,6cyclictest8101-21ssh23:29:221
963699231,10cyclictest94482ssh00:03:531
963299235,13cyclictest0-21swapper/023:54:230
963299233,17cyclictest17369-21cron21:39:070
9632992318,3cyclictest9-21ksoftirqd/023:12:280
9632992318,3cyclictest9-21ksoftirqd/021:54:080
9632992317,3cyclictest9-21ksoftirqd/022:15:220
9632992316,4cyclictest9-21ksoftirqd/022:52:000
9632992316,4cyclictest9-21ksoftirqd/001:30:190
220192230,2sleep02777-21diskmemload01:21:450
199822230,2sleep00-21swapper/002:25:440
9643992217,3cyclictest33-21ksoftirqd/223:45:002
9643992217,3cyclictest33-21ksoftirqd/222:44:542
9643992217,3cyclictest33-21ksoftirqd/222:44:542
9643992216,3cyclictest33-21ksoftirqd/221:59:182
9643992215,4cyclictest4170-21/usr/sbin/munin01:04:382
9643992215,4cyclictest33-21ksoftirqd/202:27:062
9643992215,4cyclictest19540-21grep22:49:302
9643992214,5cyclictest26854-21cron02:34:142
9636992217,3cyclictest27140-21ssh23:48:511
9636992217,3cyclictest25-21ksoftirqd/100:29:371
9636992217,2cyclictest0-21swapper/123:04:221
9636992216,3cyclictest25-21ksoftirqd/101:11:241
9636992216,3cyclictest1537-21sh22:14:071
9636992215,4cyclictest13359-21sh00:39:311
9636992214,5cyclictest2763-21cron23:24:101
963699221,3cyclictest16683-21rm02:23:461
963699221,19cyclictest0-21swapper/123:14:381
963299229,8cyclictest46950irq/100-ens3-Tx00:14:240
9632992218,2cyclictest0-21swapper/022:40:090
9632992218,2cyclictest0-21swapper/021:44:160
9632992217,3cyclictest9-21ksoftirqd/023:16:450
963299221,4cyclictest21535-21diskstats22:54:220
963299221,3cyclictest26255-21snmp_o5powerctl00:19:380
963299221,3cyclictest18518-21snmp_o5powerctl00:44:400
963299221,18cyclictest17857-21snmp_o5powerctl22:44:330
963299221,18cyclictest17857-21snmp_o5powerctl22:44:330
80172220,18sleep00-21swapper/000:01:270
187282220,2sleep20-21swapper/201:51:492
9643992116,3cyclictest17552-21awk23:39:102
9643992115,3cyclictest6341-21phc2sys-jitter23:59:322
9643992115,3cyclictest29864-21grep22:04:212
9643992114,4cyclictest4026-21sh02:09:382
9643992114,4cyclictest33-21ksoftirqd/223:25:222
9643992114,4cyclictest33-21ksoftirqd/222:31:312
9643992114,4cyclictest21982-21sh00:49:162
9643992114,4cyclictest12446-21gltestperf21:29:092
9643992114,4cyclictest11766-21sh02:50:152
9643992112,5cyclictest7149-21open_inodes01:39:352
963699216,3cyclictest47050irq/101-ens3-Tx00:28:231
9636992116,3cyclictest25-21ksoftirqd/123:40:271
9636992116,3cyclictest25-21ksoftirqd/122:45:511
9636992116,3cyclictest25-21ksoftirqd/122:45:511
9636992116,3cyclictest25-21ksoftirqd/122:30:171
9636992116,3cyclictest25-21ksoftirqd/122:15:081
9636992115,4cyclictest25-21ksoftirqd/122:26:241
9636992115,3cyclictest7999-21ssh01:40:011
9636992115,3cyclictest25-21ksoftirqd/123:57:411
9636992115,3cyclictest25-21ksoftirqd/122:21:371
9636992115,3cyclictest25-21ksoftirqd/121:46:581
9636992114,4cyclictest9228-21unixbench-2d02:14:441
9636992114,4cyclictest9228-21unixbench-2d02:14:441
9636992114,4cyclictest6557-21sh01:05:301
9636992114,4cyclictest29360-21timerandwakeup23:49:391
9636992114,4cyclictest25-21ksoftirqd/121:56:011
9636992114,4cyclictest23807-21switchtime21:49:351
9636992114,4cyclictest15524-21sh01:49:191
963699211,18cyclictest0-21swapper/122:49:251
963699210,4cyclictest5672-21latency_hist01:39:131
963299212,16cyclictest12466-21cut00:39:250
9632992117,2cyclictest0-21swapper/023:20:460
9632992117,2cyclictest0-21swapper/021:40:320
9632992115,3cyclictest9-21ksoftirqd/022:20:570
9632992114,4cyclictest9-21ksoftirqd/022:06:120
9632992114,3cyclictest2777-21diskmemload01:47:580
963299211,3cyclictest10029-21apt-get00:04:210
9632992113,4cyclictest24248-21fschecks_time01:24:290
963299211,18cyclictest0-21swapper/023:43:350
963299211,17cyclictest13321-21df23:34:260
963299211,17cyclictest0-21swapper/000:35:040
9632992111,5cyclictest24908-21cpuspeed_turbos21:54:210
40492210,3sleep0963299cyclictest00:29:480
9643992015,3cyclictest33-21ksoftirqd/222:14:072
9643992014,3cyclictest33-21ksoftirqd/223:29:472
9643992013,4cyclictest33-21ksoftirqd/221:40:402
9643992013,4cyclictest31720-21sh00:59:152
9643992013,4cyclictest2523-21seq23:21:072
9643992013,4cyclictest24946-21which22:59:342
9643992013,4cyclictest22360-21awk01:54:442
9643992013,4cyclictest18412-21sh00:12:252
9643992013,4cyclictest14494-21sh00:40:322
9643992013,4cyclictest10518-21sh02:16:422
9643992013,4cyclictest10518-21sh02:16:422
9643992012,5cyclictest47150irq/102-ens3-Tx01:29:252
963699209,8cyclictest7175-21/usr/sbin/munin00:34:301
963699202,15cyclictest17525-21tr00:44:301
9636992015,3cyclictest25-21ksoftirqd/101:29:271
963699201,4cyclictest2777-21diskmemload01:25:331
9636992014,4cyclictest24980-21python22:59:341
9636992014,4cyclictest24705-21/usr/sbin/munin00:19:321
9636992014,3cyclictest28586-21sh00:54:391
9636992012,5cyclictest47050irq/101-ens3-Tx02:38:531
9636992012,5cyclictest4171-21latency23:24:301
963699201,17cyclictest0-21swapper/102:33:311
963699201,17cyclictest0-21swapper/102:02:581
963699200,3cyclictest24153-21seq00:50:001
963299202,6cyclictest8090-21apt-get23:29:220
9632992016,2cyclictest0-21swapper/022:37:330
9632992016,2cyclictest0-21swapper/022:10:250
9632992015,3cyclictest9-21ksoftirqd/000:55:060
9632992014,3cyclictest28369-21missed_timers02:34:350
963299201,3cyclictest15554-21ssh01:49:220
963299201,2cyclictest0-21swapper/002:32:230
9632992012,5cyclictest15116-21cstates00:09:240
963299201,17cyclictest0-21swapper/023:53:390
963299201,17cyclictest0-21swapper/023:27:500
963299201,16cyclictest2777-21diskmemload02:05:140
963299201,16cyclictest0-21swapper/002:21:020
9632992011,5cyclictest1055-21runrttasks22:29:220
964399197,9cyclictest10933-21cpuspeed_turbos01:44:262
9643991913,3cyclictest15927-21seq22:40:322
9643991913,3cyclictest10907-21wc21:24:272
9636991913,4cyclictest11483-21sh01:44:311
9636991913,3cyclictest30778-21idleruntime02:04:311
9636991913,3cyclictest2951-21df_inode02:09:301
9636991912,4cyclictest18095-21smartctl02:24:311
9636991912,4cyclictest10147-21df21:24:211
963699191,17cyclictest0-21swapper/100:10:031
9632991913,4cyclictest6261-21df01:39:280
9632991912,4cyclictest28529-21swap21:59:340
9643991812,3cyclictest17870-21/usr/sbin/munin23:39:222
9636991814,2cyclictest0-21swapper/121:29:241
963699180,16cyclictest0-21swapper/121:39:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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