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2026-04-03 - 00:19
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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 Apr 02, 2026 08:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91522900,1sleep012-21ksoftirqd/007:27:040
91522900,1sleep012-21ksoftirqd/007:27:040
124692850,3sleep10-21swapper/107:41:441
124692850,3sleep10-21swapper/107:41:441
151942790,3sleep30-21swapper/307:51:473
151942790,3sleep30-21swapper/307:51:473
151942790,3sleep30-21swapper/307:51:473
91482490,3chrt0-21swapper/307:27:033
91482490,3chrt0-21swapper/307:27:033
64942460,2sleep16576-21cat07:17:061
64942460,2sleep16576-21cat07:17:061
212792460,3sleep00-21swapper/008:12:020
212792460,3sleep00-21swapper/008:12:020
243942450,2sleep224392-21sshd08:21:532
243942450,2sleep224392-21sshd08:21:532
289812410,3sleep20-21swapper/208:32:022
289812410,3sleep20-21swapper/208:32:022
7172390,3sleep10-21swapper/108:42:061
7172390,3sleep10-21swapper/108:42:061
47722390,2sleep04515-21ls07:12:100
47742380,2sleep24515-21ls07:12:122
185632380,3sleep30-21swapper/308:06:503
185632380,3sleep30-21swapper/308:06:503
239482350,4sleep30-21swapper/308:19:423
239482350,4sleep30-21swapper/308:19:423
58602310,4sleep30-21swapper/307:16:543
58602310,4sleep30-21swapper/307:16:543
482499315,4cyclictest21-21ksoftirqd/108:32:071
482499315,4cyclictest21-21ksoftirqd/108:32:071
482499303,5cyclictest21-21ksoftirqd/108:22:061
482499303,5cyclictest21-21ksoftirqd/108:22:061
213502300,3sleep20-21swapper/208:12:042
213502300,3sleep20-21swapper/208:12:042
482699272,7cyclictest0-21swapper/307:46:533
482699272,7cyclictest0-21swapper/307:46:533
482599277,10cyclictest131rcu_preempt07:47:042
482599277,10cyclictest131rcu_preempt07:47:042
482599277,10cyclictest131rcu_preempt07:47:042
482699262,5cyclictest0-21swapper/307:57:033
482699262,5cyclictest0-21swapper/307:57:033
4824992612,12cyclictest23949-21sshd08:19:421
4824992612,12cyclictest23949-21sshd08:19:421
482699254,3cyclictest0-21swapper/307:23:423
482699254,3cyclictest0-21swapper/307:23:423
482699252,8cyclictest0-21swapper/308:36:563
482699252,8cyclictest0-21swapper/308:36:563
482699251,6cyclictest12193-21chrt07:39:013
482699251,6cyclictest12193-21chrt07:39:013
482699251,6cyclictest10888-21chrt07:36:523
482699251,6cyclictest10888-21chrt07:36:523
482399259,4cyclictest131rcu_preempt08:07:020
482399259,4cyclictest131rcu_preempt08:07:020
47782255,13sleep10-21swapper/107:12:151
482699241,6cyclictest29862-21chrt08:35:373
482699241,6cyclictest29862-21chrt08:35:373
482699241,6cyclictest20149-21chrt08:09:483
482699241,6cyclictest20149-21chrt08:09:483
482699241,5cyclictest0-21swapper/308:46:513
482699241,5cyclictest0-21swapper/308:46:513
482699241,5cyclictest0-21swapper/308:27:103
482699240,7cyclictest25985-21chrt08:25:283
482699240,7cyclictest25985-21chrt08:25:283
482699240,6cyclictest5177-21chrt07:16:183
482499242,5cyclictest21-21ksoftirqd/108:37:071
482499242,5cyclictest21-21ksoftirqd/108:37:071
4824992417,5cyclictest201rcuc/107:34:581
4824992417,5cyclictest201rcuc/107:34:581
4824992413,4cyclictest131rcu_preempt07:50:591
4824992413,4cyclictest131rcu_preempt07:50:591
4824992413,4cyclictest131rcu_preempt07:50:591
482699231,6cyclictest15482-21chrt07:53:163
482699231,6cyclictest15482-21chrt07:53:163
482699231,6cyclictest0-21swapper/308:12:073
482699231,6cyclictest0-21swapper/308:12:073
4824992317,4cyclictest201rcuc/108:04:441
4824992317,4cyclictest201rcuc/108:04:441
4824992316,5cyclictest201rcuc/108:29:491
482599229,10cyclictest7945-21cron07:26:442
482599229,10cyclictest7945-21cron07:26:442
482499229,3cyclictest131rcu_preempt08:00:001
482499229,3cyclictest131rcu_preempt08:00:001
482499228,6cyclictest21-21ksoftirqd/107:27:581
482499228,6cyclictest21-21ksoftirqd/107:27:581
482499227,5cyclictest21-21ksoftirqd/107:26:281
482499227,5cyclictest21-21ksoftirqd/107:26:281
4824992215,5cyclictest201rcuc/108:14:381
4824992215,5cyclictest201rcuc/108:14:381
4824992211,3cyclictest131rcu_preempt07:56:471
4824992211,3cyclictest131rcu_preempt07:56:471
4824992210,3cyclictest131rcu_preempt08:10:021
4824992210,3cyclictest131rcu_preempt08:10:021
482399221,10cyclictest23448-21threads08:17:050
482399221,10cyclictest23448-21threads08:17:050
482399215,6cyclictest14138-21proc_pri07:47:000
482399215,6cyclictest14138-21proc_pri07:47:000
482399215,6cyclictest14138-21proc_pri07:47:000
482399214,14cyclictest32339-21fschecks_count08:41:560
482399214,14cyclictest32339-21fschecks_count08:41:560
482399211,9cyclictest27092-21proc_pri08:27:030
482599201,13cyclictest26173-21ls08:26:462
482599201,13cyclictest26173-21ls08:26:462
4824992014,4cyclictest201rcuc/107:45:071
4824992014,4cyclictest201rcuc/107:45:071
482399208,10cyclictest10565-21ls07:36:440
482399208,10cyclictest10565-21ls07:36:440
4823992011,7cyclictest14892-21systemd-journal07:21:440
4823992011,7cyclictest14892-21systemd-journal07:21:440
482399201,10cyclictest12625-21latency_hist07:41:500
482399201,10cyclictest12625-21latency_hist07:41:500
4823992010,8cyclictest16121-21df07:56:520
482599191,10cyclictest32097-21latency_hist08:41:522
482599191,10cyclictest32097-21latency_hist08:41:522
482399197,10cyclictest0-21swapper/008:01:150
482399197,10cyclictest0-21swapper/008:01:150
4823991912,5cyclictest0-21swapper/007:55:330
482599188,8cyclictest1619-21cat08:46:512
482599188,8cyclictest1619-21cat08:46:512
482599186,10cyclictest27-21ksoftirqd/207:17:052
482599186,10cyclictest27-21ksoftirqd/207:17:052
482599185,7cyclictest27350-21find08:27:082
482599181,8cyclictest8588-21uname07:26:552
482599181,8cyclictest8588-21uname07:26:552
482399186,10cyclictest13484-21/usr/sbin/munin07:46:530
482399186,10cyclictest13484-21/usr/sbin/munin07:46:530
482399181,9cyclictest30336-21/usr/sbin/munin08:36:560
482399181,9cyclictest30336-21/usr/sbin/munin08:36:560
482399181,7cyclictest29043-21proc_pri08:32:040
482399181,7cyclictest29043-21proc_pri08:32:040
4823991811,5cyclictest0-21swapper/007:24:330
4823991811,5cyclictest0-21swapper/007:24:330
482599178,7cyclictest18711-21cut08:06:512
482599178,7cyclictest18711-21cut08:06:512
482599178,7cyclictest11456-21ntp_states07:36:582
482599178,7cyclictest11456-21ntp_states07:36:582
482599171,2cyclictest0-21swapper/208:07:022
482599171,2cyclictest0-21swapper/208:07:022
482599171,2cyclictest0-21swapper/207:46:532
482599171,2cyclictest0-21swapper/207:46:532
482599170,12cyclictest10563-21latency_hist07:36:492
482599170,12cyclictest10563-21latency_hist07:36:492
4823991711,4cyclictest25420-21timerandwakeup08:22:080
4823991711,4cyclictest25420-21timerandwakeup08:22:080
482399171,13cyclictest18701-21latency_hist08:06:510
482399171,13cyclictest18701-21latency_hist08:06:510
4825991611,4cyclictest15808-21awk07:56:442
4825991611,4cyclictest15808-21awk07:56:442
482599161,11cyclictest16343-21grep07:56:542
482599161,11cyclictest16343-21grep07:56:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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