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2025-12-24 - 11:00
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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 Dec 24, 2025 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71800rcu_preempt0-21swapper/221:31:232
71800rcu_preempt0-21swapper/221:31:232
71800rcu_preempt0-21swapper/221:31:232
71560rcu_preempt0-21swapper/020:05:260
71560rcu_preempt0-21swapper/020:05:260
71490rcu_preempt0-21swapper/221:20:272
71490rcu_preempt0-21swapper/221:20:272
71470rcu_preempt0-21swapper/200:08:312
71470rcu_preempt0-21swapper/200:08:312
71470rcu_preempt0-21swapper/200:08:312
46050470irq/122-QManpo6230-2110:48:550
46050470irq/122-QManpo6230-2110:48:550
71460rcu_preempt0-21swapper/120:55:231
71460rcu_preempt0-21swapper/120:55:231
71450rcu_preempt0-21swapper/223:35:252
71450rcu_preempt0-21swapper/223:35:252
71450rcu_preempt0-21swapper/223:35:252
71450rcu_preempt0-21swapper/222:00:272
71450rcu_preempt0-21swapper/222:00:272
71450rcu_preempt0-21swapper/221:50:342
71450rcu_preempt0-21swapper/221:50:342
46050440irq/122-QManpo4561-2110:48:550
46050440irq/122-QManpo4561-2110:48:550
100650440irq/38-i2c-mpc181ksoftirqd/122:13:471
100650440irq/38-i2c-mpc181ksoftirqd/122:13:471
71430rcu_preempt0-21swapper/021:54:220
71430rcu_preempt0-21swapper/021:54:220
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
71410rcu_preempt0-21swapper/321:54:423
71410rcu_preempt0-21swapper/321:54:423
71400rcu_preempt3627-21copy22:00:283
71400rcu_preempt3627-21copy22:00:283
71400rcu_preempt0-21swapper/219:11:082
71400rcu_preempt0-21swapper/219:11:082
2299400migration/26115-21taskset19:08:552
2299400migration/26115-21taskset19:08:552
71390rcu_preempt26960-21ssh22:40:320
71390rcu_preempt26960-21ssh22:40:320
71390rcu_preempt13543-21ssh21:20:370
71390rcu_preempt13543-21ssh21:20:370
71390rcu_preempt0-21swapper/222:30:182
71390rcu_preempt0-21swapper/222:30:182
71390rcu_preempt0-21swapper/023:36:320
71390rcu_preempt0-21swapper/023:36:320
71390rcu_preempt0-21swapper/023:36:320
71380rcu_preempt7235-21latency_hist21:10:172
71380rcu_preempt7235-21latency_hist21:10:172
71380rcu_preempt574-21kswapd022:30:240
71380rcu_preempt574-21kswapd022:30:240
71380rcu_preempt15870-21ssh23:17:040
71380rcu_preempt15870-21ssh23:17:040
71380rcu_preempt15870-21ssh23:17:040
71380rcu_preempt0-21swapper/222:23:032
71380rcu_preempt0-21swapper/222:23:032
71380rcu_preempt0-21swapper/220:10:382
71380rcu_preempt0-21swapper/220:10:382
71380rcu_preempt0-21swapper/021:47:270
71380rcu_preempt0-21swapper/021:47:270
71380rcu_preempt0-21swapper/000:30:310
71380rcu_preempt0-21swapper/000:30:310
71370rcu_preempt29787-21ssh21:49:111
71370rcu_preempt29787-21ssh21:49:111
71370rcu_preempt26494-21cron22:40:150
71370rcu_preempt26494-21cron22:40:150
71370rcu_preempt26494-21cron22:40:150
71370rcu_preempt21539-21/usr/sbin/munin22:30:432
71370rcu_preempt21539-21/usr/sbin/munin22:30:432
71370rcu_preempt18975-21seq00:19:582
71370rcu_preempt18975-21seq00:19:582
71370rcu_preempt18975-21seq00:19:582
71370rcu_preempt16387-21ssh21:25:342
71370rcu_preempt16387-21ssh21:25:342
71370rcu_preempt16387-21ssh21:25:342
71370rcu_preempt0-21swapper/222:06:302
71370rcu_preempt0-21swapper/222:06:302
71370rcu_preempt0-21swapper/121:54:181
71370rcu_preempt0-21swapper/121:54:181
71370rcu_preempt0-21swapper/023:07:390
71370rcu_preempt0-21swapper/023:07:390
71370rcu_preempt0-21swapper/023:07:390
71370rcu_preempt0-21swapper/021:31:170
71370rcu_preempt0-21swapper/021:31:170
71370rcu_preempt0-21swapper/021:31:170
71370rcu_preempt0-21swapper/021:19:180
71370rcu_preempt0-21swapper/021:19:180
71370rcu_preempt0-21swapper/020:45:280
71370rcu_preempt0-21swapper/020:45:280
71370rcu_preempt0-21swapper/020:45:280
46050370irq/122-QManpo19281-2110:48:550
46050370irq/122-QManpo19281-2110:48:550
46050370irq/122-QManpo19281-2110:48:550
46050370irq/122-QManpo11981-2110:48:550
46050370irq/122-QManpo11981-2110:48:550
46050370irq/122-QManpo11981-2110:48:550
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
71360rcu_preempt24998-21/usr/sbin/munin00:30:472
71360rcu_preempt24998-21/usr/sbin/munin00:30:472
71360rcu_preempt24198-21taskset20:14:251
71360rcu_preempt24198-21taskset20:14:251
71360rcu_preempt19815-21ntpdc00:20:392
71360rcu_preempt19815-21ntpdc00:20:392
71360rcu_preempt19815-21ntpdc00:20:392
71360rcu_preempt18079-21ssh22:25:250
71360rcu_preempt18079-21ssh22:25:250
71360rcu_preempt14493-1kworker/2:0H21:45:292
71360rcu_preempt14493-1kworker/2:0H21:45:292
71360rcu_preempt0-21swapper/220:05:162
71360rcu_preempt0-21swapper/220:05:162
71360rcu_preempt0-21swapper/122:40:571
71360rcu_preempt0-21swapper/122:40:571
71360rcu_preempt0-21swapper/122:40:111
71360rcu_preempt0-21swapper/122:40:111
71360rcu_preempt0-21swapper/122:40:111
71360rcu_preempt0-21swapper/120:35:141
71360rcu_preempt0-21swapper/120:35:141
71360rcu_preempt0-21swapper/100:17:021
71360rcu_preempt0-21swapper/100:17:021
71360rcu_preempt0-21swapper/100:17:021
71360rcu_preempt0-21swapper/022:46:550
71360rcu_preempt0-21swapper/022:46:550
71360rcu_preempt0-21swapper/022:10:260
71360rcu_preempt0-21swapper/022:10:260
71360rcu_preempt0-21swapper/021:36:500
71360rcu_preempt0-21swapper/021:36:500
71360rcu_preempt0-21swapper/021:36:500
71360rcu_preempt0-21swapper/021:00:190
71360rcu_preempt0-21swapper/021:00:190
71360rcu_preempt0-21swapper/019:57:140
71360rcu_preempt0-21swapper/019:57:140
71360rcu_preempt0-21swapper/019:38:100
71360rcu_preempt0-21swapper/019:38:100
71360rcu_preempt0-21swapper/019:38:100
46050360irq/122-QManpo9566-2110:48:550
46050360irq/122-QManpo9566-2110:48:550
46050360irq/122-QManpo30586-2110:48:550
46050360irq/122-QManpo30586-2110:48:550
46050360irq/122-QManpo30586-2110:48:550
46050360irq/122-QManpo23338-2110:48:550
46050360irq/122-QManpo23338-2110:48:550
71350rcu_preempt8513-21sh23:05:161
71350rcu_preempt8513-21sh23:05:161
71350rcu_preempt4089-21runrttasks22:00:360
71350rcu_preempt4089-21runrttasks22:00:360
71350rcu_preempt23037-1kworker/0:1H20:25:420
71350rcu_preempt23037-1kworker/0:1H20:25:420
71350rcu_preempt0-21swapper/300:08:543
71350rcu_preempt0-21swapper/300:08:543
71350rcu_preempt0-21swapper/300:08:543
71350rcu_preempt0-21swapper/223:35:132
71350rcu_preempt0-21swapper/223:35:132
71350rcu_preempt0-21swapper/223:21:532
71350rcu_preempt0-21swapper/223:21:532
71350rcu_preempt0-21swapper/223:21:532
71350rcu_preempt0-21swapper/223:19:072
71350rcu_preempt0-21swapper/223:19:072
71350rcu_preempt0-21swapper/223:19:072
71350rcu_preempt0-21swapper/223:10:192
71350rcu_preempt0-21swapper/223:10:192
71350rcu_preempt0-21swapper/223:10:192
71350rcu_preempt0-21swapper/223:00:262
71350rcu_preempt0-21swapper/223:00:262
71350rcu_preempt0-21swapper/222:18:452
71350rcu_preempt0-21swapper/222:18:452
71350rcu_preempt0-21swapper/220:16:262
71350rcu_preempt0-21swapper/220:16:262
71350rcu_preempt0-21swapper/200:13:312
71350rcu_preempt0-21swapper/200:13:312
71350rcu_preempt0-21swapper/023:45:290
71350rcu_preempt0-21swapper/023:45:290
71350rcu_preempt0-21swapper/022:20:440
71350rcu_preempt0-21swapper/022:20:440
71350rcu_preempt0-21swapper/022:05:430
71350rcu_preempt0-21swapper/022:05:430
71350rcu_preempt0-21swapper/021:43:210
71350rcu_preempt0-21swapper/021:43:210
71350rcu_preempt0-21swapper/020:20:370
71350rcu_preempt0-21swapper/020:20:370
71350rcu_preempt0-21swapper/019:19:260
71350rcu_preempt0-21swapper/019:19:260
71350rcu_preempt0-21swapper/000:07:310
71350rcu_preempt0-21swapper/000:07:310
71350rcu_preempt0-21swapper/000:07:310
46050350irq/122-QManpo4619210:48:550
46050350irq/122-QManpo4619210:48:550
46050350irq/122-QManpo4619210:48:550
46050350irq/122-QManpo2000-2110:48:550
46050350irq/122-QManpo2000-2110:48:550
46050350irq/122-QManpo19486-2110:48:550
46050350irq/122-QManpo19486-2110:48:550
46050350irq/122-QManpo19486-2110:48:550
46050350irq/122-QManpo14898-2110:48:550
46050350irq/122-QManpo14898-2110:48:550
46050350irq/122-QManpo12442-10
46050350irq/122-QManpo12442-10
46050350irq/122-QManpo12442-10
46050350irq/122-QManpo1123-2110:48:550
46050350irq/122-QManpo1123-2110:48:550
46050350irq/122-QManpo1123-2110:48:550
71340rcu_preempt6917-21ssh23:01:090
71340rcu_preempt6917-21ssh23:01:090
71340rcu_preempt32437-21sh22:50:260
71340rcu_preempt32437-21sh22:50:260
71340rcu_preempt0-21swapper/221:59:192
71340rcu_preempt0-21swapper/221:59:192
71340rcu_preempt0-21swapper/221:59:192
71340rcu_preempt0-21swapper/221:36:582
71340rcu_preempt0-21swapper/221:36:582
71340rcu_preempt0-21swapper/221:36:582
71340rcu_preempt0-21swapper/221:12:102
71340rcu_preempt0-21swapper/221:12:102
71340rcu_preempt0-21swapper/221:00:552
71340rcu_preempt0-21swapper/221:00:552
71340rcu_preempt0-21swapper/220:22:022
71340rcu_preempt0-21swapper/220:22:022
71340rcu_preempt0-21swapper/219:36:332
71340rcu_preempt0-21swapper/219:36:332
71340rcu_preempt0-21swapper/219:36:332
71340rcu_preempt0-21swapper/123:42:321
71340rcu_preempt0-21swapper/123:42:321
71340rcu_preempt0-21swapper/123:42:321
71340rcu_preempt0-21swapper/123:35:421
71340rcu_preempt0-21swapper/123:35:421
71340rcu_preempt0-21swapper/123:35:421
71340rcu_preempt0-21swapper/123:19:451
71340rcu_preempt0-21swapper/123:19:451
71340rcu_preempt0-21swapper/123:19:451
71340rcu_preempt0-21swapper/122:48:031
71340rcu_preempt0-21swapper/122:48:031
71340rcu_preempt0-21swapper/122:30:371
71340rcu_preempt0-21swapper/122:30:371
71340rcu_preempt0-21swapper/122:22:591
71340rcu_preempt0-21swapper/122:22:591
71340rcu_preempt0-21swapper/122:17:261
71340rcu_preempt0-21swapper/122:17:261
71340rcu_preempt0-21swapper/122:04:331
71340rcu_preempt0-21swapper/122:04:331
71340rcu_preempt0-21swapper/121:32:361
71340rcu_preempt0-21swapper/121:32:361
71340rcu_preempt0-21swapper/121:32:361
71340rcu_preempt0-21swapper/121:13:261
71340rcu_preempt0-21swapper/121:13:261
71340rcu_preempt0-21swapper/120:29:351
71340rcu_preempt0-21swapper/120:29:351
71340rcu_preempt0-21swapper/120:16:061
71340rcu_preempt0-21swapper/120:16:061
71340rcu_preempt0-21swapper/120:09:461
71340rcu_preempt0-21swapper/120:09:461
71340rcu_preempt0-21swapper/022:55:420
71340rcu_preempt0-21swapper/022:55:420
71340rcu_preempt0-21swapper/022:55:420
71340rcu_preempt0-21swapper/022:16:590
71340rcu_preempt0-21swapper/022:16:590
71340rcu_preempt0-21swapper/021:13:160
71340rcu_preempt0-21swapper/021:13:160
71340rcu_preempt0-21swapper/000:18:230
71340rcu_preempt0-21swapper/000:18:230
71340rcu_preempt0-21swapper/000:18:230
68462340sleep03359-1kworker/0:0H23:58:110
68462340sleep03359-1kworker/0:0H23:58:110
68462340sleep03359-1kworker/0:0H23:58:110
46250340irq/120-QManpo0-2110:48:551
46250340irq/120-QManpo0-2110:48:551
46050340irq/122-QManpo31385-10
46050340irq/122-QManpo31385-10
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
71330rcu_preempt7195-21diskmemload23:40:372
71330rcu_preempt7195-21diskmemload23:40:372
71330rcu_preempt7195-21diskmemload23:40:372
71330rcu_preempt7195-21diskmemload21:30:161
71330rcu_preempt7195-21diskmemload21:30:161
71330rcu_preempt7195-21diskmemload21:30:161
71330rcu_preempt6791-21wc19:10:370
71330rcu_preempt6791-21wc19:10:370
71330rcu_preempt24860-21copy00:30:182
71330rcu_preempt24860-21copy00:30:182
71330rcu_preempt23343-21taskset21:37:201
71330rcu_preempt23343-21taskset21:37:201
71330rcu_preempt23343-21taskset21:37:201
71330rcu_preempt19382-21ssh00:20:281
71330rcu_preempt19382-21ssh00:20:281
71330rcu_preempt19382-21ssh00:20:281
71330rcu_preempt1601-21apt-get20:50:343
71330rcu_preempt1601-21apt-get20:50:343
71330rcu_preempt14645-1kworker/1:0H00:35:241
71330rcu_preempt14645-1kworker/1:0H00:35:241
71330rcu_preempt14645-1kworker/1:0H00:35:241
71330rcu_preempt0-21swapper/322:29:553
71330rcu_preempt0-21swapper/322:29:553
71330rcu_preempt0-21swapper/223:57:062
71330rcu_preempt0-21swapper/223:57:062
71330rcu_preempt0-21swapper/223:57:062
71330rcu_preempt0-21swapper/223:54:212
71330rcu_preempt0-21swapper/223:54:212
71330rcu_preempt0-21swapper/223:54:212
71330rcu_preempt0-21swapper/223:10:372
71330rcu_preempt0-21swapper/223:10:372
71330rcu_preempt0-21swapper/223:10:372
71330rcu_preempt0-21swapper/222:35:272
71330rcu_preempt0-21swapper/222:35:272
71330rcu_preempt0-21swapper/222:35:272
71330rcu_preempt0-21swapper/222:15:162
71330rcu_preempt0-21swapper/222:15:162
71330rcu_preempt0-21swapper/221:16:062
71330rcu_preempt0-21swapper/221:16:062
71330rcu_preempt0-21swapper/220:05:342
71330rcu_preempt0-21swapper/220:05:342
71330rcu_preempt0-21swapper/200:36:472
71330rcu_preempt0-21swapper/200:36:472
71330rcu_preempt0-21swapper/200:36:472
71330rcu_preempt0-21swapper/123:53:041
71330rcu_preempt0-21swapper/123:53:041
71330rcu_preempt0-21swapper/123:53:041
71330rcu_preempt0-21swapper/123:31:021
71330rcu_preempt0-21swapper/123:31:021
71330rcu_preempt0-21swapper/123:27:091
71330rcu_preempt0-21swapper/123:27:091
71330rcu_preempt0-21swapper/123:11:381
71330rcu_preempt0-21swapper/123:11:381
71330rcu_preempt0-21swapper/123:11:381
71330rcu_preempt0-21swapper/122:57:391
71330rcu_preempt0-21swapper/122:57:391
71330rcu_preempt0-21swapper/122:57:391
71330rcu_preempt0-21swapper/122:54:241
71330rcu_preempt0-21swapper/122:54:241
71330rcu_preempt0-21swapper/121:59:291
71330rcu_preempt0-21swapper/121:59:291
71330rcu_preempt0-21swapper/121:59:291
71330rcu_preempt0-21swapper/121:45:121
71330rcu_preempt0-21swapper/121:45:121
71330rcu_preempt0-21swapper/121:16:171
71330rcu_preempt0-21swapper/121:16:171
71330rcu_preempt0-21swapper/120:50:391
71330rcu_preempt0-21swapper/120:50:391
71330rcu_preempt0-21swapper/119:55:141
71330rcu_preempt0-21swapper/119:55:141
71330rcu_preempt0-21swapper/119:31:291
71330rcu_preempt0-21swapper/119:31:291
71330rcu_preempt0-21swapper/119:31:291
71330rcu_preempt0-21swapper/119:10:271
71330rcu_preempt0-21swapper/119:10:271
71330rcu_preempt0-21swapper/100:31:001
71330rcu_preempt0-21swapper/100:31:001
71330rcu_preempt0-21swapper/100:01:261
71330rcu_preempt0-21swapper/100:01:261
71330rcu_preempt0-21swapper/100:01:261
46050330irq/122-QManpo30159-2110:48:550
46050330irq/122-QManpo30159-2110:48:550
46050330irq/122-QManpo30159-2110:48:550
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
294852330sleep028449-1kworker/0:2H20:31:110
294852330sleep028449-1kworker/0:2H20:31:110
71320rcu_preempt18641-1runrttasks19:54:322
71320rcu_preempt18641-1runrttasks19:54:322
71320rcu_preempt0-21swapper/223:25:392
71320rcu_preempt0-21swapper/223:25:392
71320rcu_preempt0-21swapper/222:55:252
71320rcu_preempt0-21swapper/222:55:252
71320rcu_preempt0-21swapper/222:55:252
71320rcu_preempt0-21swapper/222:46:032
71320rcu_preempt0-21swapper/222:46:032
71320rcu_preempt0-21swapper/220:55:292
71320rcu_preempt0-21swapper/220:55:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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