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2025-12-18 - 21:29
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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 Thu Dec 18, 2025 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt0-21swapper/312:34:073
71730rcu_preempt0-21swapper/312:34:073
71570rcu_preempt0-21swapper/310:41:483
71570rcu_preempt0-21swapper/310:41:483
71540rcu_preempt11450-21tr07:05:302
71540rcu_preempt11450-21tr07:05:302
71500rcu_preempt0-21swapper/312:23:163
71500rcu_preempt0-21swapper/312:23:163
71500rcu_preempt0-21swapper/312:23:163
71500rcu_preempt0-21swapper/311:32:213
71500rcu_preempt0-21swapper/311:32:213
71500rcu_preempt0-21swapper/311:32:213
71470rcu_preempt0-21swapper/308:20:193
71470rcu_preempt0-21swapper/308:20:193
71440rcu_preempt0-21swapper/309:22:143
71440rcu_preempt0-21swapper/309:22:143
71440rcu_preempt0-21swapper/209:49:162
71440rcu_preempt0-21swapper/209:49:162
71430rcu_preempt0-21swapper/107:10:401
71430rcu_preempt0-21swapper/107:10:401
71420rcu_preempt0-21swapper/012:21:060
71420rcu_preempt0-21swapper/012:21:060
71420rcu_preempt0-21swapper/012:21:060
71420rcu_preempt0-21swapper/011:15:410
71420rcu_preempt0-21swapper/011:15:410
71420rcu_preempt0-21swapper/011:15:410
71410rcu_preempt0-21swapper/007:10:110
71410rcu_preempt0-21swapper/007:10:110
71400rcu_preempt0-21swapper/112:25:251
71400rcu_preempt0-21swapper/112:25:251
71400rcu_preempt0-21swapper/112:25:251
71400rcu_preempt0-21swapper/108:05:311
71400rcu_preempt0-21swapper/108:05:311
46050400irq/122-QManpo31443-2110:48:550
46050400irq/122-QManpo31443-2110:48:550
46050400irq/122-QManpo1959-2110:48:550
46050400irq/122-QManpo1959-2110:48:550
46050400irq/122-QManpo19464-10
46050400irq/122-QManpo19464-10
71390rcu_preempt0-21swapper/110:47:191
71390rcu_preempt0-21swapper/110:47:191
71390rcu_preempt0-21swapper/110:47:191
46050390irq/122-QManpo19238-2110:48:550
46050390irq/122-QManpo19238-2110:48:550
1599390migration/07319-21/usr/sbin/munin09:55:230
1599390migration/07319-21/usr/sbin/munin09:55:230
71380rcu_preempt28716-21ssh11:27:091
71380rcu_preempt28716-21ssh11:27:091
71380rcu_preempt0-21swapper/209:41:122
71380rcu_preempt0-21swapper/209:41:122
71380rcu_preempt0-21swapper/111:46:161
71380rcu_preempt0-21swapper/111:46:161
71380rcu_preempt0-21swapper/109:30:311
71380rcu_preempt0-21swapper/109:30:311
71380rcu_preempt0-21swapper/011:57:120
71380rcu_preempt0-21swapper/011:57:120
71380rcu_preempt0-21swapper/011:44:120
71380rcu_preempt0-21swapper/011:44:120
71380rcu_preempt0-21swapper/009:34:210
71380rcu_preempt0-21swapper/009:34:210
46050380irq/122-QManpo16050-2110:48:550
46050380irq/122-QManpo16050-2110:48:550
46050380irq/122-QManpo16050-2110:48:550
71370rcu_preempt4227-21sh12:36:451
71370rcu_preempt4227-21sh12:36:451
71370rcu_preempt32215-21kworker/0:609:25:230
71370rcu_preempt32215-21kworker/0:609:25:230
71370rcu_preempt32215-21kworker/0:609:25:230
71370rcu_preempt24516-21unixbench_multi12:15:372
71370rcu_preempt24516-21unixbench_multi12:15:372
71370rcu_preempt24516-21unixbench_multi12:15:372
71370rcu_preempt13998-21ssh09:10:383
71370rcu_preempt13998-21ssh09:10:383
71370rcu_preempt0-21swapper/310:17:043
71370rcu_preempt0-21swapper/310:17:043
71370rcu_preempt0-21swapper/310:17:043
71370rcu_preempt0-21swapper/309:26:113
71370rcu_preempt0-21swapper/309:26:113
71370rcu_preempt0-21swapper/309:26:113
71370rcu_preempt0-21swapper/208:05:172
71370rcu_preempt0-21swapper/208:05:172
71370rcu_preempt0-21swapper/111:58:121
71370rcu_preempt0-21swapper/111:58:121
71370rcu_preempt0-21swapper/111:05:311
71370rcu_preempt0-21swapper/111:05:311
71370rcu_preempt0-21swapper/110:29:041
71370rcu_preempt0-21swapper/110:29:041
71370rcu_preempt0-21swapper/110:15:501
71370rcu_preempt0-21swapper/110:15:501
71370rcu_preempt0-21swapper/110:15:501
71370rcu_preempt0-21swapper/007:43:420
71370rcu_preempt0-21swapper/007:43:420
46050370irq/122-QManpo9211-2110:48:550
46050370irq/122-QManpo9211-2110:48:550
46050370irq/122-QManpo24737-2110:48:550
46050370irq/122-QManpo24737-2110:48:550
46050370irq/122-QManpo24737-2110:48:550
300042370sleep028278-1kworker/0:1H09:38:560
300042370sleep028278-1kworker/0:1H09:38:560
300042370sleep028278-1kworker/0:1H09:38:560
71360rcu_preempt8429-21chrt10:52:111
71360rcu_preempt8429-21chrt10:52:111
71360rcu_preempt31198-21runrttasks08:17:232
71360rcu_preempt31198-21runrttasks08:17:232
71360rcu_preempt29075-21kworker/3:611:05:193
71360rcu_preempt29075-21kworker/3:611:05:193
71360rcu_preempt15855-21chrt10:10:202
71360rcu_preempt15855-21chrt10:10:202
71360rcu_preempt1360-21ssh11:35:363
71360rcu_preempt1360-21ssh11:35:363
71360rcu_preempt1360-21ssh11:35:363
71360rcu_preempt0-21swapper/312:37:513
71360rcu_preempt0-21swapper/312:37:513
71360rcu_preempt0-21swapper/310:08:253
71360rcu_preempt0-21swapper/310:08:253
71360rcu_preempt0-21swapper/310:08:253
71360rcu_preempt0-21swapper/111:50:441
71360rcu_preempt0-21swapper/111:50:441
71360rcu_preempt0-21swapper/111:45:121
71360rcu_preempt0-21swapper/111:45:121
71360rcu_preempt0-21swapper/110:12:521
71360rcu_preempt0-21swapper/110:12:521
71360rcu_preempt0-21swapper/110:00:311
71360rcu_preempt0-21swapper/110:00:311
71360rcu_preempt0-21swapper/108:55:311
71360rcu_preempt0-21swapper/108:55:311
71360rcu_preempt0-21swapper/010:16:490
71360rcu_preempt0-21swapper/010:16:490
71360rcu_preempt0-21swapper/010:16:490
71360rcu_preempt0-21swapper/007:39:270
71360rcu_preempt0-21swapper/007:39:270
71360rcu_preempt0-21swapper/007:39:270
71360rcu_preempt0-21swapper/007:28:580
71360rcu_preempt0-21swapper/007:28:580
46050360irq/122-QManpo4271-2110:48:550
46050360irq/122-QManpo4271-2110:48:550
46050360irq/122-QManpo4271-2110:48:550
46050360irq/122-QManpo32660-2110:48:550
46050360irq/122-QManpo32660-2110:48:550
46050360irq/122-QManpo32601-2110:48:550
46050360irq/122-QManpo32601-2110:48:550
46050360irq/122-QManpo31240-2110:48:550
46050360irq/122-QManpo31240-2110:48:550
46050360irq/122-QManpo25079-2110:48:550
46050360irq/122-QManpo25079-2110:48:550
46050360irq/122-QManpo25079-2110:48:550
46050360irq/122-QManpo16810-2110:48:550
46050360irq/122-QManpo16810-2110:48:550
46050360irq/122-QManpo13895-2110:48:550
46050360irq/122-QManpo13895-2110:48:550
46050360irq/122-QManpo13895-2110:48:550
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
26412360sleep022647-1kworker/0:0H11:38:330
26412360sleep022647-1kworker/0:0H11:38:330
26412360sleep022647-1kworker/0:0H11:38:330
155102360sleep02718-1kworker/0:1H09:14:160
155102360sleep02718-1kworker/0:1H09:14:160
71350rcu_preempt3506-21ssh12:35:340
71350rcu_preempt3506-21ssh12:35:340
71350rcu_preempt12075-21ssh10:03:272
71350rcu_preempt12075-21ssh10:03:272
71350rcu_preempt0-21swapper/312:08:383
71350rcu_preempt0-21swapper/312:08:383
71350rcu_preempt0-21swapper/212:10:172
71350rcu_preempt0-21swapper/212:10:172
71350rcu_preempt0-21swapper/211:33:342
71350rcu_preempt0-21swapper/211:33:342
71350rcu_preempt0-21swapper/211:33:342
71350rcu_preempt0-21swapper/211:13:302
71350rcu_preempt0-21swapper/211:13:302
71350rcu_preempt0-21swapper/211:13:302
71350rcu_preempt0-21swapper/211:05:292
71350rcu_preempt0-21swapper/211:05:292
71350rcu_preempt0-21swapper/210:26:122
71350rcu_preempt0-21swapper/210:26:122
71350rcu_preempt0-21swapper/209:35:312
71350rcu_preempt0-21swapper/209:35:312
71350rcu_preempt0-21swapper/209:35:312
71350rcu_preempt0-21swapper/209:19:142
71350rcu_preempt0-21swapper/209:19:142
71350rcu_preempt0-21swapper/209:19:142
71350rcu_preempt0-21swapper/112:25:121
71350rcu_preempt0-21swapper/112:25:121
71350rcu_preempt0-21swapper/112:25:121
71350rcu_preempt0-21swapper/112:20:111
71350rcu_preempt0-21swapper/112:20:111
71350rcu_preempt0-21swapper/112:20:111
71350rcu_preempt0-21swapper/111:30:321
71350rcu_preempt0-21swapper/111:30:321
71350rcu_preempt0-21swapper/111:30:321
71350rcu_preempt0-21swapper/111:23:441
71350rcu_preempt0-21swapper/111:23:441
71350rcu_preempt0-21swapper/111:23:441
71350rcu_preempt0-21swapper/111:11:401
71350rcu_preempt0-21swapper/111:11:401
71350rcu_preempt0-21swapper/111:11:401
71350rcu_preempt0-21swapper/110:36:371
71350rcu_preempt0-21swapper/110:36:371
71350rcu_preempt0-21swapper/110:30:301
71350rcu_preempt0-21swapper/110:30:301
71350rcu_preempt0-21swapper/110:30:301
71350rcu_preempt0-21swapper/109:56:121
71350rcu_preempt0-21swapper/109:56:121
71350rcu_preempt0-21swapper/109:50:181
71350rcu_preempt0-21swapper/109:50:181
71350rcu_preempt0-21swapper/109:47:411
71350rcu_preempt0-21swapper/109:47:411
71350rcu_preempt0-21swapper/109:40:201
71350rcu_preempt0-21swapper/109:40:201
71350rcu_preempt0-21swapper/109:17:311
71350rcu_preempt0-21swapper/109:17:311
71350rcu_preempt0-21swapper/109:17:311
71350rcu_preempt0-21swapper/012:26:040
71350rcu_preempt0-21swapper/012:26:040
71350rcu_preempt0-21swapper/012:26:040
71350rcu_preempt0-21swapper/012:11:190
71350rcu_preempt0-21swapper/012:11:190
71350rcu_preempt0-21swapper/012:05:250
71350rcu_preempt0-21swapper/012:05:250
71350rcu_preempt0-21swapper/011:12:200
71350rcu_preempt0-21swapper/011:12:200
71350rcu_preempt0-21swapper/011:12:200
71350rcu_preempt0-21swapper/010:53:240
71350rcu_preempt0-21swapper/010:53:240
71350rcu_preempt0-21swapper/008:48:000
71350rcu_preempt0-21swapper/008:48:000
71350rcu_preempt0-21swapper/008:09:430
71350rcu_preempt0-21swapper/008:09:430
46050350irq/122-QManpo28149-2110:48:550
46050350irq/122-QManpo28149-2110:48:550
46050350irq/122-QManpo28149-2110:48:550
46050350irq/122-QManpo15539-10
46050350irq/122-QManpo15539-10
46050350irq/122-QManpo13557-2110:48:550
46050350irq/122-QManpo13557-2110:48:550
46050350irq/122-QManpo13258-2110:48:550
46050350irq/122-QManpo13258-2110:48:550
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
74542340sleep04703-1kworker/0:2H11:46:030
74542340sleep04703-1kworker/0:2H11:46:030
71340rcu_preempt27873-21sendmail_mailqu11:25:360
71340rcu_preempt27873-21sendmail_mailqu11:25:360
71340rcu_preempt14828-21ssh11:03:332
71340rcu_preempt14828-21ssh11:03:332
71340rcu_preempt0-21swapper/309:55:173
71340rcu_preempt0-21swapper/309:55:173
71340rcu_preempt0-21swapper/309:50:503
71340rcu_preempt0-21swapper/309:50:503
71340rcu_preempt0-21swapper/309:40:123
71340rcu_preempt0-21swapper/309:40:123
71340rcu_preempt0-21swapper/309:40:123
71340rcu_preempt0-21swapper/212:35:052
71340rcu_preempt0-21swapper/212:35:052
71340rcu_preempt0-21swapper/210:34:492
71340rcu_preempt0-21swapper/210:34:492
71340rcu_preempt0-21swapper/210:34:492
71340rcu_preempt0-21swapper/207:25:302
71340rcu_preempt0-21swapper/207:25:302
71340rcu_preempt0-21swapper/112:32:001
71340rcu_preempt0-21swapper/112:32:001
71340rcu_preempt0-21swapper/112:05:231
71340rcu_preempt0-21swapper/112:05:231
71340rcu_preempt0-21swapper/111:38:521
71340rcu_preempt0-21swapper/111:38:521
71340rcu_preempt0-21swapper/111:38:521
71340rcu_preempt0-21swapper/111:16:091
71340rcu_preempt0-21swapper/111:16:091
71340rcu_preempt0-21swapper/111:16:091
71340rcu_preempt0-21swapper/110:41:081
71340rcu_preempt0-21swapper/110:41:081
71340rcu_preempt0-21swapper/109:37:401
71340rcu_preempt0-21swapper/109:37:401
71340rcu_preempt0-21swapper/109:37:401
71340rcu_preempt0-21swapper/109:22:551
71340rcu_preempt0-21swapper/109:22:551
71340rcu_preempt0-21swapper/107:18:571
71340rcu_preempt0-21swapper/107:18:571
71340rcu_preempt0-21swapper/010:26:090
71340rcu_preempt0-21swapper/010:26:090
71340rcu_preempt0-21swapper/008:55:340
71340rcu_preempt0-21swapper/008:55:340
71340rcu_preempt0-21swapper/008:00:220
71340rcu_preempt0-21swapper/008:00:220
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
25762340chrt28278-1kworker/0:1H09:46:380
25762340chrt28278-1kworker/0:1H09:46:380
243162340sleep017113-1kworker/0:0H07:52:550
243162340sleep017113-1kworker/0:0H07:52:550
16812340chrt28189-1kworker/0:2H08:28:220
16812340chrt28189-1kworker/0:2H08:28:220
118702340sleep38012-1kworker/3:2H07:08:143
118702340sleep38012-1kworker/3:2H07:08:143
71330rcu_preempt22142-21meminfo10:20:282
71330rcu_preempt22142-21meminfo10:20:282
71330rcu_preempt12208-21aten_r4power_cu07:10:160
71330rcu_preempt12208-21aten_r4power_cu07:10:160
71330rcu_preempt11079-21ssh11:53:012
71330rcu_preempt11079-21ssh11:53:012
71330rcu_preempt0-21swapper/311:03:103
71330rcu_preempt0-21swapper/311:03:103
71330rcu_preempt0-21swapper/309:31:373
71330rcu_preempt0-21swapper/309:31:373
71330rcu_preempt0-21swapper/211:59:042
71330rcu_preempt0-21swapper/211:59:042
71330rcu_preempt0-21swapper/211:49:002
71330rcu_preempt0-21swapper/211:49:002
71330rcu_preempt0-21swapper/211:29:322
71330rcu_preempt0-21swapper/211:29:322
71330rcu_preempt0-21swapper/210:59:422
71330rcu_preempt0-21swapper/210:59:422
71330rcu_preempt0-21swapper/210:59:422
71330rcu_preempt0-21swapper/209:29:022
71330rcu_preempt0-21swapper/209:29:022
71330rcu_preempt0-21swapper/209:29:022
71330rcu_preempt0-21swapper/208:20:182
71330rcu_preempt0-21swapper/208:20:182
71330rcu_preempt0-21swapper/110:57:561
71330rcu_preempt0-21swapper/110:57:561
71330rcu_preempt0-21swapper/110:57:561
71330rcu_preempt0-21swapper/109:27:501
71330rcu_preempt0-21swapper/109:27:501
71330rcu_preempt0-21swapper/109:27:501
71330rcu_preempt0-21swapper/109:14:021
71330rcu_preempt0-21swapper/109:14:021
71330rcu_preempt0-21swapper/109:09:171
71330rcu_preempt0-21swapper/109:09:171
71330rcu_preempt0-21swapper/012:03:330
71330rcu_preempt0-21swapper/012:03:330
46050330irq/122-QManpo31516-2110:48:550
46050330irq/122-QManpo31516-2110:48:550
46050330irq/122-QManpo2153-2110:48:550
46050330irq/122-QManpo2153-2110:48:550
46050330irq/122-QManpo15776-210
46050330irq/122-QManpo15776-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
71320rcu_preempt9590-21latency_hist10:55:082
71320rcu_preempt9590-21latency_hist10:55:082
71320rcu_preempt12753-21apt-get10:05:332
71320rcu_preempt12753-21apt-get10:05:332
71320rcu_preempt12753-21apt-get10:05:332
71320rcu_preempt0-21swapper/312:00:523
71320rcu_preempt0-21swapper/312:00:523
71320rcu_preempt0-21swapper/310:11:113
71320rcu_preempt0-21swapper/310:11:113
71320rcu_preempt0-21swapper/212:39:262
71320rcu_preempt0-21swapper/212:39:262
71320rcu_preempt0-21swapper/212:05:502
71320rcu_preempt0-21swapper/212:05:502
71320rcu_preempt0-21swapper/212:00:362
71320rcu_preempt0-21swapper/212:00:362
71320rcu_preempt0-21swapper/211:36:432
71320rcu_preempt0-21swapper/211:36:432
71320rcu_preempt0-21swapper/211:36:432
71320rcu_preempt0-21swapper/210:19:502
71320rcu_preempt0-21swapper/210:19:502
71320rcu_preempt0-21swapper/210:19:502
71320rcu_preempt0-21swapper/209:21:032
71320rcu_preempt0-21swapper/209:21:032
71320rcu_preempt0-21swapper/208:34:182
71320rcu_preempt0-21swapper/208:34:182
71320rcu_preempt0-21swapper/207:20:292
71320rcu_preempt0-21swapper/207:20:292
71320rcu_preempt0-21swapper/112:11:171
71320rcu_preempt0-21swapper/112:11:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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