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2025-12-04 - 18:04
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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 rack9slot4.osadl.org (updated Thu Dec 04, 2025 12:43:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21088112766sleep0-21swapper/116:18:291
21366991154cyclictest11121-21latency_hist20:38:450
21366991154cyclictest11121-21latency_hist20:38:450
21366991148cyclictest0-21swapper/020:33:450
213669911210cyclictest0-21swapper/018:59:230
213669911014cyclictest0-21swapper/020:39:150
213669911014cyclictest0-21swapper/020:39:150
21366991093cyclictest26168-21latency_hist19:13:430
21366991093cyclictest26168-21latency_hist19:13:430
21366991083cyclictest7583-21latency_hist17:18:400
21164110774sleep0-21swapper/016:18:310
21366991064cyclictest25492-21proc_pri16:29:140
21366991038cyclictest0-21swapper/019:49:050
21366991033cyclictest24456-21sh16:28:380
21366991033cyclictest11526-21latency_hist18:48:420
70501020irq/18-mmc15420-21ssh18:38:121
21366991024cyclictest1-21systemd21:24:110
21366991023cyclictest20209-21latency_hist19:58:440
213669910155cyclictest5350irq/18-pch-dma16:43:390
21366991013cyclictest480-21systemd-journal20:14:010
21366991013cyclictest480-21systemd-journal20:14:010
21366991013cyclictest2523-21latency_hist19:28:430
21366991013cyclictest2523-21latency_hist19:28:430
21366991013cyclictest16931-21latency_hist17:48:400
21366991013cyclictest16931-21latency_hist17:48:400
21366991013cyclictest12440-21sh21:34:350
21366991013cyclictest11334-21latency_hist19:43:440
21366991003cyclictest74-21mmcqd/019:29:340
21366991003cyclictest74-21mmcqd/019:29:340
21366991003cyclictest74-21mmcqd/018:49:120
213669910025cyclictest0-21swapper/020:44:500
213669910025cyclictest0-21swapper/020:44:500
2136699998cyclictest0-21swapper/017:23:590
21366999954cyclictest74-21mmcqd/019:14:220
21366999954cyclictest74-21mmcqd/019:14:220
2136699989cyclictest0-21swapper/017:39:170
2136699988cyclictest0-21swapper/016:38:380
2136699987cyclictest0-21swapper/021:09:240
2136699983cyclictest32181-21latency_hist18:28:420
2136699978cyclictest0-21swapper/020:04:540
2136699978cyclictest0-21swapper/020:04:540
2136699978cyclictest0-21swapper/016:48:380
2136699978cyclictest0-21swapper/016:48:380
21366999746cyclictest2373-21ssh20:23:450
21366999746cyclictest2373-21ssh20:23:450
2136699973cyclictest32045-21latency_hist19:23:430
2136699973cyclictest32045-21latency_hist19:23:430
21366999716cyclictest0-21swapper/018:19:160
2136699957cyclictest0-21swapper/017:49:120
21366999553cyclictest0-21swapper/018:41:290
2136699953cyclictest9171-21latency_hist17:23:400
2136699953cyclictest20125-21sh19:58:430
21366999510cyclictest0-21swapper/017:09:110
2136699943cyclictest21664-21latency_hist18:03:410
21366999410cyclictest0-21swapper/020:11:190
2136699934cyclictest2929-21latency_hist17:03:390
2136699934cyclictest24161-21ssh20:59:260
2136699933cyclictest17466-21ssh20:49:020
2136699933cyclictest17466-21ssh20:49:020
21366999315cyclictest0-21swapper/017:03:560
2136699929cyclictest0-21swapper/021:04:160
2136699929cyclictest0-21swapper/020:27:390
2136699929cyclictest0-21swapper/020:27:390
2136699928cyclictest0-21swapper/021:19:120
2136699928cyclictest0-21swapper/018:04:110
2136699923cyclictest26288-21latency_hist18:18:420
21366999214cyclictest0-21swapper/021:14:510
2136699918cyclictest0-21swapper/021:29:270
2136699918cyclictest0-21swapper/017:58:410
21366999170cyclictest0-21swapper/017:29:110
2136699917cyclictest0-21swapper/021:40:510
2136699913cyclictest6244-21ssh19:34:090
21366999116cyclictest0-21swapper/017:34:120
2136699908cyclictest0-21swapper/021:44:020
2136699908cyclictest0-21swapper/019:05:120
2136699907cyclictest0-21swapper/018:58:420
2136699904cyclictest3543-21rm18:34:100
2136699903cyclictest23105-21latency_hist20:03:440
2136699903cyclictest23105-21latency_hist20:03:440
2136699903cyclictest20848-21sh20:54:150
2136699903cyclictest20848-21sh20:54:150
21366999014cyclictest0-21swapper/016:49:160
21366998940cyclictest860-21ntp_states18:29:160
21366998910cyclictest0-21swapper/018:08:580
2136699884cyclictest469-21if_can016:54:000
21366998623cyclictest11506-21sshd19:43:550
21366998623cyclictest11506-21sshd19:43:550
2136699859cyclictest0-21swapper/016:18:530
6950830irq/18-mmc00-21swapper/117:41:071
6950760irq/18-mmc021092-21ssh19:59:141
6950760irq/18-mmc021092-21ssh19:59:141
6950720irq/18-mmc09746-21ssh21:30:161
21376997128cyclictest0-21swapper/121:18:131
6950680irq/18-mmc030129-21ssh19:19:131
6950680irq/18-mmc030129-21ssh19:19:131
6950670irq/18-mmc07583-21latency_hist17:18:401
33950650irq/43-eth06000-21ssh19:34:051
33950640irq/43-eth0326-21runrttasks20:57:201
33950640irq/43-eth0326-21runrttasks20:57:201
2137699649cyclictest0-21swapper/120:19:291
2137699649cyclictest0-21swapper/120:19:291
2137699647cyclictest0-21swapper/119:50:101
33950630irq/43-eth018540-21ssh19:54:251
33950630irq/43-eth018540-21ssh19:54:251
33950610irq/43-eth00-21swapper/121:01:021
2137699618cyclictest0-21swapper/118:40:331
21376996110cyclictest0-21swapper/118:58:571
1699610watchdog/18888-21fschecks_time20:34:081
1699610watchdog/18888-21fschecks_time20:34:081
33950600irq/43-eth029041-21aten2.4-expect21:08:591
33950600irq/43-eth015557-21ntp_states18:54:201
2137699606cyclictest0-21swapper/121:37:081
2137699606cyclictest0-21swapper/120:07:351
2137699606cyclictest0-21swapper/120:07:351
21376996033cyclictest16564-21grep17:44:181
21376996033cyclictest16564-21grep17:44:181
1699600watchdog/19534-21ntp_states19:39:191
1699600watchdog/1480-21systemd-journal19:33:431
1699600watchdog/1480-21systemd-journal19:33:431
1699600watchdog/126779-21ssh18:19:011
1699600watchdog/111736-21ps17:29:151
33950590irq/43-eth05665-21fschecks_count21:24:081
21376995910cyclictest0-21swapper/119:24:161
21376995910cyclictest0-21swapper/119:24:161
1699590watchdog/13633-21ssh20:24:281
1699590watchdog/13633-21ssh20:24:281
1699590watchdog/130511-21rt-features18:24:211
1699590watchdog/112372-21interrupts18:49:091
33950580irq/43-eth027325-21rm19:14:191
33950580irq/43-eth027325-21rm19:14:191
33950580irq/43-eth026108-21ssh20:08:491
33950580irq/43-eth00-21swapper/118:18:421
2137699586cyclictest0-21swapper/117:04:211
21376995819cyclictest0-21swapper/117:34:081
21376995810cyclictest0-21swapper/118:29:091
1799580migration/12026-21/usr/sbin/munin16:59:021
1799580migration/115167-21ntp_kernel_err20:44:191
1799580migration/115167-21ntp_kernel_err20:44:191
1699580watchdog/132250-21latency_hist16:53:381
1699580watchdog/125321-21ssh19:11:141
1699580watchdog/125321-21ssh19:11:141
1699580watchdog/117501-21tune2fs21:44:101
33950570irq/43-eth021346-21memory19:04:211
33950570irq/43-eth015570-21ssh21:40:111
33950570irq/43-eth010571-21ssh18:46:051
21376995711cyclictest0-21swapper/120:39:181
21376995711cyclictest0-21swapper/120:39:181
21376995710cyclictest0-21swapper/118:09:091
1799570migration/126947-21needreboot16:34:081
1799570migration/117626-21fschecks_time20:49:081
1799570migration/117626-21fschecks_time20:49:081
1799570migration/110179-21proc_pri17:24:161
1699570watchdog/16024-21ssh20:29:121
1699570watchdog/112505-21ssh19:44:231
1699570watchdog/112505-21ssh19:44:231
2137699568cyclictest0-21swapper/117:59:261
33950550irq/43-eth00-21swapper/121:19:001
33950550irq/43-eth00-21swapper/116:58:331
2137699559cyclictest0-21swapper/116:18:481
2137699558cyclictest0-21swapper/120:14:301
2137699558cyclictest0-21swapper/120:14:301
2137699558cyclictest0-21swapper/117:53:591
2137699558cyclictest0-21swapper/117:49:171
33950540irq/43-eth027811-21ssh21:06:041
2137699549cyclictest0-21swapper/116:23:541
1799540migration/125793-21runrttasks16:30:131
33950530irq/43-eth07703-21aten_r9power_cu17:18:501
2137699539cyclictest0-21swapper/118:04:061
2137699539cyclictest0-21swapper/117:08:501
2137699536cyclictest0-21swapper/116:45:051
2137699536cyclictest0-21swapper/116:45:051
1699530watchdog/127963-21/usr/sbin/munin16:38:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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