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2026-04-22 - 04:48
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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 rack4slot4.osadl.org (updated Wed Apr 22, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71560rcu_preempt0-21swapper/200:33:492
71560rcu_preempt0-21swapper/200:33:492
71550rcu_preempt4889-21ssh22:52:390
71550rcu_preempt4889-21ssh22:52:390
71550rcu_preempt0-21swapper/100:06:471
71550rcu_preempt0-21swapper/100:06:471
71550rcu_preempt0-21swapper/100:06:471
71550rcu_preempt0-21swapper/021:40:200
71550rcu_preempt0-21swapper/021:40:200
71550rcu_preempt0-21swapper/021:40:200
46050550irq/122-QManpo13289-2110:48:550
46050550irq/122-QManpo13289-2110:48:550
1341099477cyclictest5776-21unixbench_multi22:53:011
1341099477cyclictest5776-21unixbench_multi22:53:011
1341099457cyclictest0-21swapper/100:23:551
1341099457cyclictest0-21swapper/100:23:551
1341099457cyclictest0-21swapper/100:23:551
1341099453cyclictest0-21swapper/100:08:271
1341099453cyclictest0-21swapper/100:08:271
1341099443cyclictest0-21swapper/122:20:461
1341099443cyclictest0-21swapper/122:20:461
1341099443cyclictest0-21swapper/122:20:461
13410994418cyclictest8584-21df23:57:401
13410994418cyclictest8584-21df23:57:401
13410994418cyclictest8584-21df23:57:401
46250430irq/120-QManpo0-2110:48:551
46250430irq/120-QManpo0-2110:48:551
1341099432cyclictest29581-21/usr/sbin/munin22:37:511
1341099432cyclictest29581-21/usr/sbin/munin22:37:511
13410994318cyclictest11033-21meminfo23:02:491
13410994318cyclictest11033-21meminfo23:02:491
13410994318cyclictest11033-21meminfo23:02:491
13410994318cyclictest0-21swapper/122:03:481
13410994318cyclictest0-21swapper/122:03:481
13410994318cyclictest0-21swapper/122:03:481
46650420irq/116-QManpo12212-2110:48:553
46650420irq/116-QManpo12212-2110:48:553
1341099424cyclictest0-21swapper/123:25:301
1341099424cyclictest0-21swapper/123:25:301
1341099424cyclictest0-21swapper/123:25:301
1341099423cyclictest0-21swapper/123:46:441
1341099423cyclictest0-21swapper/123:46:441
1341099423cyclictest0-21swapper/123:46:441
1341099423cyclictest0-21swapper/121:17:561
1341099423cyclictest0-21swapper/121:17:561
1341099423cyclictest0-21swapper/121:17:561
1341099423cyclictest0-21swapper/100:37:451
1341099423cyclictest0-21swapper/100:37:451
1341099423cyclictest0-21swapper/100:13:121
1341099423cyclictest0-21swapper/100:13:121
1341099422cyclictest25718-21df21:32:411
1341099422cyclictest25718-21df21:32:411
1341099422cyclictest14438-21/usr/sbin/munin21:12:481
1341099422cyclictest14438-21/usr/sbin/munin21:12:481
1341099422cyclictest14438-21/usr/sbin/munin21:12:481
1341099421cyclictest1959-21runrttasks23:10:161
1341099421cyclictest1959-21runrttasks23:10:161
1341099421cyclictest1959-21runrttasks23:10:161
1341099421cyclictest0-21swapper/122:10:451
1341099421cyclictest0-21swapper/122:10:451
13410994218cyclictest0-21swapper/121:45:531
13410994218cyclictest0-21swapper/121:45:531
71410rcu_preempt9814-1kworker/3:0H22:03:093
71410rcu_preempt9814-1kworker/3:0H22:03:093
71410rcu_preempt9814-1kworker/3:0H22:03:093
71410rcu_preempt12466-21ssh00:03:392
71410rcu_preempt12466-21ssh00:03:392
71410rcu_preempt12466-21ssh00:03:392
71410rcu_preempt0-21swapper/221:49:032
71410rcu_preempt0-21swapper/221:49:032
1341099414cyclictest0-21swapper/121:22:411
1341099414cyclictest0-21swapper/121:22:411
1341099414cyclictest0-21swapper/121:22:411
1341099413cyclictest0-21swapper/123:48:591
1341099413cyclictest0-21swapper/123:48:591
1341099413cyclictest0-21swapper/123:48:591
1341099413cyclictest0-21swapper/122:44:451
1341099413cyclictest0-21swapper/122:44:451
1341099413cyclictest0-21swapper/122:28:341
1341099413cyclictest0-21swapper/122:28:341
1341099413cyclictest0-21swapper/121:49:481
1341099413cyclictest0-21swapper/121:49:481
1341099413cyclictest0-21swapper/119:12:441
1341099413cyclictest0-21swapper/119:12:441
1341099412cyclictest31084-21munin-run21:42:271
1341099412cyclictest31084-21munin-run21:42:271
1341099412cyclictest31084-21munin-run21:42:271
1341099412cyclictest23153-21diskstats21:27:431
1341099412cyclictest23153-21diskstats21:27:431
1341099412cyclictest23153-21diskstats21:27:431
1341099411cyclictest0-21swapper/122:32:481
1341099411cyclictest0-21swapper/122:32:481
1341099411cyclictest0-21swapper/122:32:481
13410994118cyclictest0-21swapper/121:57:541
13410994118cyclictest0-21swapper/121:57:541
13410994117cyclictest21515-21ntp_states22:22:531
13410994117cyclictest21515-21ntp_states22:22:531
13410994116cyclictest1959-21runrttasks20:24:361
13410994116cyclictest1959-21runrttasks20:24:361
13410994116cyclictest0-21swapper/119:22:411
13410994116cyclictest0-21swapper/119:22:411
13410994116cyclictest0-21swapper/119:22:411
71400rcu_preempt505-21copy00:42:280
71400rcu_preempt505-21copy00:42:280
71400rcu_preempt0-21swapper/320:02:383
71400rcu_preempt0-21swapper/320:02:383
71400rcu_preempt0-21swapper/222:43:112
71400rcu_preempt0-21swapper/222:43:112
71400rcu_preempt0-21swapper/200:39:372
71400rcu_preempt0-21swapper/200:39:372
1341099403cyclictest0-21swapper/119:37:461
1341099403cyclictest0-21swapper/119:37:461
1341099403cyclictest0-21swapper/100:28:431
1341099403cyclictest0-21swapper/100:28:431
1341099403cyclictest0-21swapper/100:28:431
1341099403cyclictest0-21swapper/100:18:041
1341099403cyclictest0-21swapper/100:18:041
1341099403cyclictest0-21swapper/100:18:041
1341099402cyclictest4648-21memory21:52:511
1341099402cyclictest4648-21memory21:52:511
13410994017cyclictest0-21swapper/123:31:171
13410994017cyclictest0-21swapper/123:31:171
13410994017cyclictest0-21swapper/119:57:391
13410994017cyclictest0-21swapper/119:57:391
71390rcu_preempt345-21sh21:44:433
71390rcu_preempt345-21sh21:44:433
71390rcu_preempt2823-21ssh22:47:563
71390rcu_preempt2823-21ssh22:47:563
71390rcu_preempt2823-21ssh22:47:563
71390rcu_preempt24781-1kworker/0:2H22:28:480
71390rcu_preempt24781-1kworker/0:2H22:28:480
71390rcu_preempt16973-21sh23:13:170
71390rcu_preempt16973-21sh23:13:170
71390rcu_preempt16973-21sh23:13:170
71390rcu_preempt1157-21sh22:44:530
71390rcu_preempt1157-21sh22:44:530
71390rcu_preempt0-21swapper/223:30:152
71390rcu_preempt0-21swapper/223:30:152
71390rcu_preempt0-21swapper/023:47:500
71390rcu_preempt0-21swapper/023:47:500
71390rcu_preempt0-21swapper/023:47:500
71390rcu_preempt0-21swapper/022:52:310
71390rcu_preempt0-21swapper/022:52:310
71390rcu_preempt0-21swapper/022:52:310
71390rcu_preempt0-21swapper/021:44:210
71390rcu_preempt0-21swapper/021:44:210
71390rcu_preempt0-21swapper/019:57:310
71390rcu_preempt0-21swapper/019:57:310
71390rcu_preempt0-21swapper/019:57:310
46050390irq/122-QManpo6061-2110:48:550
46050390irq/122-QManpo6061-2110:48:550
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
13411993912cyclictest21455-21sendmail-msp23:26:202
13411993912cyclictest21455-21sendmail-msp23:26:202
13411993912cyclictest21455-21sendmail-msp23:26:202
1341099393cyclictest0-21swapper/123:36:131
1341099393cyclictest0-21swapper/123:36:131
1341099393cyclictest0-21swapper/123:36:131
1341099393cyclictest0-21swapper/122:52:001
1341099393cyclictest0-21swapper/122:52:001
1341099393cyclictest0-21swapper/122:52:001
1341099392cyclictest32744-21munin-run20:22:271
1341099392cyclictest32744-21munin-run20:22:271
1341099392cyclictest28306-21users00:32:571
1341099392cyclictest28306-21users00:32:571
1341099392cyclictest0-21swapper/122:13:411
1341099392cyclictest0-21swapper/122:13:411
1341099391cyclictest11607-21apt-get21:02:381
1341099391cyclictest11607-21apt-get21:02:381
1341099391cyclictest11607-21apt-get21:02:381
13410993916cyclictest0-21swapper/123:17:531
13410993916cyclictest0-21swapper/123:17:531
13410993915cyclictest0-21swapper/123:54:341
13410993915cyclictest0-21swapper/123:54:341
13410993914cyclictest0-21swapper/120:42:301
13410993914cyclictest0-21swapper/120:42:301
71380rcu_preempt25781-21apt-get19:57:450
71380rcu_preempt25781-21apt-get19:57:450
71380rcu_preempt0-21swapper/300:18:143
71380rcu_preempt0-21swapper/300:18:143
71380rcu_preempt0-21swapper/300:18:143
71380rcu_preempt0-21swapper/023:31:320
71380rcu_preempt0-21swapper/023:31:320
71380rcu_preempt0-21swapper/023:25:440
71380rcu_preempt0-21swapper/023:25:440
71380rcu_preempt0-21swapper/023:25:440
71380rcu_preempt0-21swapper/023:07:500
71380rcu_preempt0-21swapper/023:07:500
71380rcu_preempt0-21swapper/023:07:500
71380rcu_preempt0-21swapper/022:06:060
71380rcu_preempt0-21swapper/022:06:060
71380rcu_preempt0-21swapper/022:06:060
71380rcu_preempt0-21swapper/019:18:090
71380rcu_preempt0-21swapper/019:18:090
71380rcu_preempt0-21swapper/000:00:460
71380rcu_preempt0-21swapper/000:00:460
71380rcu_preempt0-21swapper/000:00:460
46050380irq/122-QManpo26237-2110:48:550
46050380irq/122-QManpo26237-2110:48:550
46050380irq/122-QManpo26237-2110:48:550
46050380irq/122-QManpo21644-2110:48:550
46050380irq/122-QManpo21644-2110:48:550
46050380irq/122-QManpo17339-2110:48:550
46050380irq/122-QManpo17339-2110:48:550
46050380irq/122-QManpo17339-2110:48:550
46050380irq/122-QManpo11471-2110:48:550
46050380irq/122-QManpo11471-2110:48:550
46050380irq/122-QManpo11471-2110:48:550
1341099383cyclictest0-21swapper/123:00:561
1341099383cyclictest0-21swapper/123:00:561
1341099383cyclictest0-21swapper/120:52:531
1341099383cyclictest0-21swapper/120:52:531
1341099383cyclictest0-21swapper/120:04:201
1341099383cyclictest0-21swapper/120:04:201
13410993817cyclictest0-21swapper/119:57:271
13410993817cyclictest0-21swapper/119:57:271
13410993817cyclictest0-21swapper/119:57:271
13410993811cyclictest21628-21sendmail-msp19:46:421
13410993811cyclictest21628-21sendmail-msp19:46:421
13410993810cyclictest19798-21/usr/sbin/munin19:32:541
13410993810cyclictest19798-21/usr/sbin/munin19:32:541
13410993810cyclictest19798-21/usr/sbin/munin19:32:541
71370rcu_preempt9817-1kworker/2:2H22:02:492
71370rcu_preempt9817-1kworker/2:2H22:02:492
71370rcu_preempt9817-1kworker/2:2H22:02:492
71370rcu_preempt7290-21seq20:47:192
71370rcu_preempt7290-21seq20:47:192
71370rcu_preempt23201-21sh00:23:290
71370rcu_preempt23201-21sh00:23:290
71370rcu_preempt23201-21sh00:23:290
71370rcu_preempt22804-21sh21:27:310
71370rcu_preempt22804-21sh21:27:310
71370rcu_preempt22804-21sh21:27:310
71370rcu_preempt14441-21apt-get21:12:400
71370rcu_preempt14441-21apt-get21:12:400
71370rcu_preempt14441-21apt-get21:12:400
71370rcu_preempt0-21swapper/223:49:282
71370rcu_preempt0-21swapper/223:49:282
71370rcu_preempt0-21swapper/223:49:282
71370rcu_preempt0-21swapper/222:30:452
71370rcu_preempt0-21swapper/222:30:452
71370rcu_preempt0-21swapper/222:09:152
71370rcu_preempt0-21swapper/222:09:152
71370rcu_preempt0-21swapper/219:57:382
71370rcu_preempt0-21swapper/219:57:382
71370rcu_preempt0-21swapper/023:04:550
71370rcu_preempt0-21swapper/023:04:550
71370rcu_preempt0-21swapper/023:04:550
71370rcu_preempt0-21swapper/021:54:430
71370rcu_preempt0-21swapper/021:54:430
71370rcu_preempt0-21swapper/000:27:500
71370rcu_preempt0-21swapper/000:27:500
71370rcu_preempt0-21swapper/000:27:500
71370rcu_preempt0-21swapper/000:18:160
71370rcu_preempt0-21swapper/000:18:160
71370rcu_preempt0-21swapper/000:18:160
46450370irq/118-QManpo13284-2110:48:552
46450370irq/118-QManpo13284-2110:48:552
46050370irq/122-QManpo9727-2110:48:550
46050370irq/122-QManpo9727-2110:48:550
46050370irq/122-QManpo2303-2110:48:550
46050370irq/122-QManpo2303-2110:48:550
46050370irq/122-QManpo2303-2110:48:550
46050370irq/122-QManpo21764-2110:48:550
46050370irq/122-QManpo21764-2110:48:550
170942370chrt0-21swapper/019:22:590
170942370chrt0-21swapper/019:22:590
170942370chrt0-21swapper/019:22:590
1341099372cyclictest6567-21ntp_states20:42:511
1341099372cyclictest6567-21ntp_states20:42:511
13410993711cyclictest46250irq/120-QMan10:48:551
13410993711cyclictest46250irq/120-QMan10:48:551
71360rcu_preempt6979-1kworker/2:2H21:12:292
71360rcu_preempt6979-1kworker/2:2H21:12:292
71360rcu_preempt0-21swapper/323:25:573
71360rcu_preempt0-21swapper/323:25:573
71360rcu_preempt0-21swapper/323:25:573
71360rcu_preempt0-21swapper/223:38:192
71360rcu_preempt0-21swapper/223:38:192
71360rcu_preempt0-21swapper/222:51:142
71360rcu_preempt0-21swapper/222:51:142
71360rcu_preempt0-21swapper/222:51:142
71360rcu_preempt0-21swapper/221:52:432
71360rcu_preempt0-21swapper/221:52:432
71360rcu_preempt0-21swapper/221:31:342
71360rcu_preempt0-21swapper/221:31:342
71360rcu_preempt0-21swapper/221:31:342
71360rcu_preempt0-21swapper/200:13:162
71360rcu_preempt0-21swapper/200:13:162
71360rcu_preempt0-21swapper/021:29:440
71360rcu_preempt0-21swapper/021:29:440
71360rcu_preempt0-21swapper/021:29:440
71360rcu_preempt0-21swapper/020:57:390
71360rcu_preempt0-21swapper/020:57:390
71360rcu_preempt0-21swapper/019:27:390
71360rcu_preempt0-21swapper/019:27:390
71360rcu_preempt0-21swapper/000:03:470
71360rcu_preempt0-21swapper/000:03:470
71360rcu_preempt0-21swapper/000:03:470
46050360irq/122-QManpo324-2110:48:550
46050360irq/122-QManpo324-2110:48:550
46050360irq/122-QManpo324-2110:48:550
166292360chrt11592-1kworker/0:2H22:14:110
166292360chrt11592-1kworker/0:2H22:14:110
1341099362cyclictest1959-21runrttasks19:27:361
1341099362cyclictest1959-21runrttasks19:27:361
1341099362cyclictest16627-21mailstats23:12:551
1341099362cyclictest16627-21mailstats23:12:551
1341099362cyclictest16627-21mailstats23:12:551
1341099362cyclictest0-21swapper/121:02:281
1341099362cyclictest0-21swapper/121:02:281
1341099362cyclictest0-21swapper/120:12:471
1341099362cyclictest0-21swapper/120:12:471
1341099361cyclictest1959-21runrttasks20:51:561
1341099361cyclictest1959-21runrttasks20:51:561
71350rcu_preempt21371-1kworker/3:1H21:25:083
71350rcu_preempt21371-1kworker/3:1H21:25:083
71350rcu_preempt21371-1kworker/3:1H21:25:083
71350rcu_preempt14253-21diskmemload21:32:360
71350rcu_preempt14253-21diskmemload21:32:360
71350rcu_preempt0-21swapper/300:28:173
71350rcu_preempt0-21swapper/300:28:173
71350rcu_preempt0-21swapper/300:28:173
71350rcu_preempt0-21swapper/223:15:112
71350rcu_preempt0-21swapper/223:15:112
71350rcu_preempt0-21swapper/223:15:112
71350rcu_preempt0-21swapper/222:24:212
71350rcu_preempt0-21swapper/222:24:212
71350rcu_preempt0-21swapper/222:01:452
71350rcu_preempt0-21swapper/222:01:452
71350rcu_preempt0-21swapper/219:56:082
71350rcu_preempt0-21swapper/219:56:082
71350rcu_preempt0-21swapper/219:56:082
71350rcu_preempt0-21swapper/200:22:582
71350rcu_preempt0-21swapper/200:22:582
71350rcu_preempt0-21swapper/200:22:582
71350rcu_preempt0-21swapper/023:52:520
71350rcu_preempt0-21swapper/023:52:520
71350rcu_preempt0-21swapper/023:37:530
71350rcu_preempt0-21swapper/023:37:530
71350rcu_preempt0-21swapper/022:39:360
71350rcu_preempt0-21swapper/022:39:360
71350rcu_preempt0-21swapper/021:47:460
71350rcu_preempt0-21swapper/021:47:460
71350rcu_preempt0-21swapper/020:08:110
71350rcu_preempt0-21swapper/020:08:110
71350rcu_preempt0-21swapper/019:48:430
71350rcu_preempt0-21swapper/019:48:430
71350rcu_preempt0-21swapper/000:13:370
71350rcu_preempt0-21swapper/000:13:370
71350rcu_preempt0-21swapper/000:11:000
71350rcu_preempt0-21swapper/000:11:000
46050350irq/122-QManpo7683-2110:48:550
46050350irq/122-QManpo7683-2110:48:550
46050350irq/122-QManpo32759-2110:48:550
46050350irq/122-QManpo32759-2110:48:550
46050350irq/122-QManpo27743-2110:48:550
46050350irq/122-QManpo27743-2110:48:550
46050350irq/122-QManpo20741-2110:48:550
46050350irq/122-QManpo20741-2110:48:550
46050350irq/122-QManpo20741-2110:48:550
46050350irq/122-QManpo12991-210
46050350irq/122-QManpo12991-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
1341099352cyclictest0-21swapper/119:47:541
1341099352cyclictest0-21swapper/119:47:541
71340rcu_preempt26499-21kworker/2:023:58:112
71340rcu_preempt26499-21kworker/2:023:58:112
71340rcu_preempt26499-21kworker/2:023:58:112
71340rcu_preempt0-21swapper/222:33:362
71340rcu_preempt0-21swapper/222:33:362
71340rcu_preempt0-21swapper/222:33:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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