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2026-03-27 - 07:11
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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 792 highest latencies:
System rack4slot1.osadl.org (updated Thu Mar 26, 2026 21:31:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185222420,1sleep012-21ksoftirqd/019:12:020
1557921500,3sleep1201rcuc/121:11:551
2132121070,1sleep012-21ksoftirqd/021:17:010
2132121070,1sleep012-21ksoftirqd/021:17:010
1349021020,3sleep10-21swapper/119:42:011
1349021020,3sleep10-21swapper/119:42:011
2496921000,2sleep10-21swapper/120:12:011
2496921000,2sleep10-21swapper/120:12:011
307742990,2sleep230766-21find20:27:022
307742990,2sleep230766-21find20:27:022
326762980,2sleep10-21swapper/120:32:031
326762980,2sleep10-21swapper/120:32:031
288472950,3sleep128843-21find20:22:021
288472950,3sleep128843-21find20:22:021
118672940,3sleep111861-21find21:02:021
21572920,4sleep12153-21find20:37:021
21572920,4sleep12153-21find20:37:021
15452800,4sleep20-21swapper/219:11:572
95852710,2sleep08954-21/usr/sbin/munin20:56:560
95852710,2sleep08954-21/usr/sbin/munin20:56:560
8802610,3sleep1642-21ls19:11:481
267392530,3sleep30-21swapper/321:22:023
267392530,3sleep30-21swapper/321:22:023
267392530,3sleep30-21swapper/321:22:023
242282520,3sleep20-21swapper/221:20:242
242282520,3sleep20-21swapper/221:20:242
81732430,2sleep28316-21users20:52:032
81732430,2sleep28316-21users20:52:032
201392420,3chrt0-21swapper/221:16:462
18282360,27sleep30-21swapper/319:12:023
28942340,3sleep02871-21sort19:16:480
28942340,3sleep02871-21sort19:16:480
2185993123,6cyclictest27-21ksoftirqd/219:32:002
2185993123,6cyclictest27-21ksoftirqd/219:32:002
130442310,3chrt0-21swapper/221:06:502
130442310,3chrt0-21swapper/221:06:502
2185993016,7cyclictest17359-21find19:52:022
2185993016,7cyclictest17359-21find19:52:022
2183993020,6cyclictest38650irq/55-eth019:56:490
2183993020,6cyclictest38650irq/55-eth019:56:490
223322290,3sleep00-21swapper/020:06:530
223322290,3sleep00-21swapper/020:06:530
2183992918,8cyclictest12-21ksoftirqd/020:01:590
2183992918,8cyclictest12-21ksoftirqd/020:01:590
38452270,4sleep30-21swapper/319:17:073
38452270,4sleep30-21swapper/319:17:073
2185992717,7cyclictest27-21ksoftirqd/219:47:002
218599265,6cyclictest27-21ksoftirqd/221:02:022
218599260,22cyclictest261rcuc/219:21:592
218599260,22cyclictest261rcuc/219:21:592
218399261,2cyclictest131rcu_preempt20:27:020
218399261,2cyclictest131rcu_preempt20:27:020
2183992518,4cyclictest12-21ksoftirqd/020:42:000
2183992518,4cyclictest12-21ksoftirqd/020:42:000
2183992512,10cyclictest25645-21basename20:16:380
2183992512,10cyclictest25645-21basename20:16:380
2185992416,5cyclictest27-21ksoftirqd/219:56:502
2185992416,5cyclictest27-21ksoftirqd/219:56:502
218499248,3cyclictest131rcu_preempt21:27:021
218499248,3cyclictest131rcu_preempt21:27:021
2184992415,7cyclictest10927-21grep19:36:521
2184992415,7cyclictest10927-21grep19:36:521
218499241,3cyclictest131rcu_preempt20:07:041
218499241,3cyclictest131rcu_preempt20:07:041
2183992413,8cyclictest38650irq/55-eth021:02:020
218399240,7cyclictest15414-21find19:47:020
218399240,5cyclictest151rcuc/019:42:000
218399240,5cyclictest151rcuc/019:42:000
286022230,3sleep20-21swapper/220:21:592
286022230,3sleep20-21swapper/220:21:592
218599231,5cyclictest0-21swapper/220:40:072
218599231,5cyclictest0-21swapper/220:40:072
2184992315,5cyclictest20961-21proc_pri20:01:561
2184992315,5cyclictest20961-21proc_pri20:01:561
2184992313,8cyclictest8028-21users19:27:021
2184992313,8cyclictest8028-21users19:27:021
218499231,19cyclictest3330-21ls19:17:001
218499231,19cyclictest3330-21ls19:17:001
218399230,10cyclictest7359-21needreboot19:26:530
218399230,10cyclictest7359-21needreboot19:26:530
126892230,3chrt0-21swapper/219:41:502
126892230,3chrt0-21swapper/219:41:502
218599227,3cyclictest131rcu_preempt20:12:002
218599227,3cyclictest131rcu_preempt20:12:002
218599221,18cyclictest32669-21find20:32:022
218599221,18cyclictest32669-21find20:32:022
218399226,14cyclictest9866-21unixbench_multi19:32:020
218399226,14cyclictest9866-21unixbench_multi19:32:020
2183992213,6cyclictest30363-21fschecks_time21:26:500
2183992213,6cyclictest30363-21fschecks_time21:26:500
218399221,18cyclictest26047-21fschecks_count20:16:520
218399221,18cyclictest26047-21fschecks_count20:16:520
218399221,17cyclictest27873-21find20:21:490
218399221,17cyclictest27873-21find20:21:490
218399221,12cyclictest11563-21grep19:37:020
218399221,12cyclictest11563-21grep19:37:020
265412210,8sleep333-21ksoftirqd/320:16:573
265412210,8sleep333-21ksoftirqd/320:16:573
2185992112,7cyclictest9696-21awk20:56:572
2185992112,7cyclictest9696-21awk20:56:572
2184992113,6cyclictest26304-21ssh21:21:571
2184992113,6cyclictest26304-21ssh21:21:571
2184992113,6cyclictest26304-21ssh21:21:571
2183992112,5cyclictest0-21swapper/020:51:540
2183992112,5cyclictest0-21swapper/020:51:540
218399211,11cyclictest31974-21fschecks_time20:31:510
218399211,11cyclictest31974-21fschecks_time20:31:510
218399211,11cyclictest15735-21ssh21:11:580
218399211,10cyclictest16614-21fschecks_time19:51:510
218399211,10cyclictest16614-21fschecks_time19:51:510
80662201,3sleep30-21swapper/319:27:213
80662201,3sleep30-21swapper/319:27:213
218599203,14cyclictest3846-21grep19:17:072
218599203,14cyclictest3846-21grep19:17:072
2185992015,3cyclictest27-21ksoftirqd/220:06:412
2185992015,3cyclictest27-21ksoftirqd/220:06:412
218599201,4cyclictest131rcu_preempt21:22:012
218599201,4cyclictest131rcu_preempt21:22:012
218599201,4cyclictest131rcu_preempt21:22:012
2185992014,3cyclictest27-21ksoftirqd/220:17:032
2185992014,3cyclictest27-21ksoftirqd/220:17:032
218499207,3cyclictest131rcu_preempt19:31:571
218499207,3cyclictest131rcu_preempt19:31:571
2184992012,6cyclictest24434-21ssh21:20:401
2184992012,6cyclictest24434-21ssh21:20:401
218399201,17cyclictest6684-21latency_hist19:26:430
218399201,17cyclictest6684-21latency_hist19:26:430
218399201,16cyclictest6322-21grep20:47:040
218399201,16cyclictest6322-21grep20:47:040
20002200,3sleep20-21swapper/221:31:102
20002200,3sleep20-21swapper/221:31:102
218699191,14cyclictest0-21swapper/320:21:543
218699191,14cyclictest0-21swapper/320:21:543
218699191,12cyclictest0-21swapper/321:31:443
218699191,12cyclictest0-21swapper/321:31:443
218599197,10cyclictest5923-21grep20:47:002
218599197,10cyclictest5923-21grep20:47:002
2185991911,6cyclictest11123-21memory19:36:542
2185991911,6cyclictest11123-21memory19:36:542
218499197,3cyclictest131rcu_preempt20:27:011
218499197,3cyclictest131rcu_preempt20:27:011
218499192,10cyclictest131rcu_preempt20:56:591
218499192,10cyclictest131rcu_preempt20:56:591
2184991911,6cyclictest19026-21wc19:56:571
2184991911,6cyclictest19026-21wc19:56:571
2184991911,6cyclictest0-21swapper/120:51:511
2184991911,6cyclictest0-21swapper/120:51:511
2183991914,3cyclictest12-21ksoftirqd/020:37:050
2183991914,3cyclictest12-21ksoftirqd/020:37:050
218399191,15cyclictest26380-21cut21:21:580
179632191,3sleep10-21swapper/119:55:461
179632191,3sleep10-21swapper/119:55:461
245692180,1sleep3321rcuc/321:20:503
245692180,1sleep3321rcuc/321:20:503
218699181,13cyclictest0-21swapper/320:31:493
218699181,13cyclictest0-21swapper/320:31:493
218599181,13cyclictest7757-21grep19:26:592
218599181,13cyclictest7757-21grep19:26:592
2185991810,6cyclictest27-21ksoftirqd/220:07:042
2185991810,6cyclictest27-21ksoftirqd/220:07:042
218499181,2cyclictest131rcu_preempt20:16:521
218499181,2cyclictest131rcu_preempt20:16:521
218399182,4cyclictest12-21ksoftirqd/021:06:510
218399182,4cyclictest12-21ksoftirqd/021:06:510
218399181,6cyclictest6474-21kworker/u8:121:27:000
218399181,6cyclictest6474-21kworker/u8:121:27:000
218699171,13cyclictest0-21swapper/320:11:413
218699171,13cyclictest0-21swapper/320:11:413
218599172,12cyclictest3719-21cat20:41:532
218599172,12cyclictest3719-21cat20:41:532
218499173,5cyclictest21-21ksoftirqd/120:46:511
218499173,5cyclictest21-21ksoftirqd/120:46:511
218499172,3cyclictest0-21swapper/120:41:551
218499172,3cyclictest0-21swapper/120:41:551
218499171,4cyclictest5797-21find19:21:591
218499171,4cyclictest5797-21find19:21:591
218499171,14cyclictest13054-21fschecks_time21:06:501
218499171,14cyclictest13054-21fschecks_time21:06:501
178242171,3sleep30-21swapper/321:14:033
218699161,10cyclictest0-21swapper/320:52:023
218699161,10cyclictest0-21swapper/320:52:023
218499161,12cyclictest14934-21wc19:46:531
218699151,12cyclictest0-21swapper/319:52:043
218699151,12cyclictest0-21swapper/319:52:043
218699148,4cyclictest151832chrt19:46:583
218699141,10cyclictest5184-21chrt19:21:493
218699141,10cyclictest5184-21chrt19:21:493
218699141,10cyclictest13756-21taskset19:42:033
218699141,10cyclictest13756-21taskset19:42:033
218699141,10cyclictest12310-21chrt19:41:393
218699141,10cyclictest12310-21chrt19:41:393
218699138,3cyclictest44122sleep320:42:023
218699138,3cyclictest44122sleep320:42:023
218699137,4cyclictest33-21ksoftirqd/320:29:043
218699137,4cyclictest33-21ksoftirqd/320:29:043
218699133,8cyclictest0-21swapper/320:11:503
218699133,8cyclictest0-21swapper/320:11:503
218699131,9cyclictest8892-21chrt19:31:503
218699131,9cyclictest8892-21chrt19:31:503
218699131,9cyclictest10364-21chrt20:58:103
218699131,9cyclictest10364-21chrt20:58:103
218699131,9cyclictest0-21swapper/320:02:003
218699131,9cyclictest0-21swapper/320:02:003
218699127,3cyclictest192622sleep319:57:013
218699127,3cyclictest192622sleep319:57:013
218699123,8cyclictest0-21swapper/320:37:023
218699123,8cyclictest0-21swapper/320:37:023
218699122,8cyclictest0-21swapper/321:07:023
218699122,8cyclictest0-21swapper/321:07:023
218699121,9cyclictest12266-21chrt21:03:333
218699121,8cyclictest6403-21taskset20:47:043
218699121,8cyclictest6403-21taskset20:47:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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