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2026-07-23 - 03:17
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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 rack9slot4.osadl.org (updated Thu Jul 23, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
183321142112sleep0-21swapper/112:08:071
18357110870sleep0-21swapper/012:08:100
18485999410cyclictest0-21swapper/017:33:520
1848599919cyclictest0-21swapper/014:53:170
1848599918cyclictest0-21swapper/012:53:480
22950900irq/18-spi_topc1849799cyclictest15:33:521
22950900irq/18-spi_topc1849799cyclictest13:11:481
1848599907cyclictest0-21swapper/014:02:560
18485999010cyclictest0-21swapper/014:43:070
22950890irq/18-spi_topc1849799cyclictest13:34:051
1848599897cyclictest0-21swapper/015:43:530
18485998917cyclictest0-21swapper/015:58:380
22950880irq/18-spi_topc1849799cyclictest13:56:501
1848599878cyclictest0-21swapper/014:13:310
1848599877cyclictest0-21swapper/016:44:390
1848599868cyclictest0-21swapper/017:23:510
1848599868cyclictest0-21swapper/016:59:160
1848599868cyclictest0-21swapper/016:38:400
1848599868cyclictest0-21swapper/012:58:240
22950850irq/18-spi_topc1849799cyclictest16:05:331
22950850irq/18-spi_topc1849799cyclictest14:08:301
1848599859cyclictest0-21swapper/015:18:460
1848599858cyclictest0-21swapper/015:00:520
1848599858cyclictest0-21swapper/013:03:490
22950840irq/18-spi_topc1849799cyclictest15:51:281
22950840irq/18-spi_topc1849799cyclictest13:07:491
18497998424cyclictest1006-21dmesg14:38:411
1848599848cyclictest0-21swapper/014:20:210
1848599847cyclictest0-21swapper/017:33:260
1848599847cyclictest0-21swapper/015:24:330
18485998462cyclictest0-21swapper/013:28:500
18485998411cyclictest0-21swapper/014:06:150
22950830irq/18-spi_topc1849799cyclictest15:19:081
1848599838cyclictest0-21swapper/016:09:010
18485998363cyclictest0-21swapper/013:34:340
1848599833cyclictest6926-21fschecks_time13:13:390
18485998312cyclictest11042-21latency_hist13:28:190
1848599828cyclictest0-21swapper/016:33:240
18485998211cyclictest0-21swapper/012:48:590
18485998210cyclictest0-21swapper/015:15:270
18485998210cyclictest0-21swapper/015:07:070
1849799813cyclictest5773-21dmesg14:53:431
1848599819cyclictest0-21swapper/013:18:230
1848599818cyclictest0-21swapper/017:18:250
1848599809cyclictest0-21swapper/012:33:410
1848599808cyclictest0-21swapper/016:19:100
18485998012cyclictest0-21swapper/015:53:330
18485998010cyclictest0-21swapper/015:38:570
5350790irq/18-pch-dma465-21systemd-journal16:14:140
5350790irq/18-pch-dma465-21systemd-journal16:14:140
1848599799cyclictest0-21swapper/017:10:420
1848599798cyclictest0-21swapper/014:38:210
1848599798cyclictest0-21swapper/013:09:490
1848599798cyclictest0-21swapper/012:10:120
1848599797cyclictest0-21swapper/014:45:260
1848599797cyclictest0-21swapper/013:56:200
1848599797cyclictest0-21swapper/013:48:190
18485997969cyclictest6950irq/18-mmc013:38:370
18485997957cyclictest0-21swapper/015:48:280
18485997911cyclictest0-21swapper/016:25:050
1848599788cyclictest0-21swapper/012:23:480
1848599787cyclictest0-21swapper/014:29:510
18497997722cyclictest9882-21fschecks_count13:23:381
1848599779cyclictest0-21swapper/014:25:480
1849799768cyclictest0-21swapper/113:48:511
1849799763cyclictest3253-21/usr/sbin/munin14:43:581
1849799763cyclictest30192-21/usr/sbin/munin14:28:371
1849799763cyclictest22574-21/usr/sbin/munin12:18:481
18497997627cyclictest2071-21dmesg12:58:361
18497997627cyclictest20141-21/usr/sbin/munin12:13:471
1848599768cyclictest0-21swapper/015:33:220
1848599763cyclictest23177-21latency_hist12:23:160
1849799754cyclictest15830-21/usr/sbin/munin13:43:271
1849799754cyclictest15517-21/usr/sbin/munin17:19:001
1849799754cyclictest14878-21/usr/sbin/munin13:38:431
1849799753cyclictest7433-21/usr/sbin/munin13:13:541
1849799753cyclictest518-21/usr/sbin/munin16:28:401
1849799753cyclictest2698-21/usr/sbin/munin16:33:581
1849799753cyclictest2698-21/usr/sbin/munin16:33:581
1849799753cyclictest26717-21/usr/sbin/munin16:08:391
1849799753cyclictest23395-21/usr/sbin/munin12:23:281
1849799753cyclictest19520-21/usr/sbin/munin15:43:581
1849799753cyclictest19423-21/usr/sbin/munin12:08:461
18497997526cyclictest465-21systemd-journal12:54:431
18497997524cyclictest30160-21sshd12:43:431
18497997524cyclictest28004-21/usr/sbin/munin16:13:481
18497997524cyclictest28004-21/usr/sbin/munin16:13:481
1848599758cyclictest0-21swapper/017:05:490
1848599758cyclictest0-21swapper/012:43:170
1848599757cyclictest0-21swapper/017:23:250
1849799744cyclictest32235-21users12:48:551
1849799744cyclictest16469-21chrt15:32:361
1849799743cyclictest7137-21/usr/sbin/munin14:58:391
1849799743cyclictest5468-21/usr/sbin/munin16:43:471
1849799743cyclictest4392-21sshd14:48:471
1849799743cyclictest316-21runrttasks12:32:341
1849799743cyclictest28834-21/usr/sbin/munin14:23:421
1849799743cyclictest22587-21/usr/sbin/munin14:03:471
1849799743cyclictest16930-21/usr/sbin/munin17:23:521
18497997427cyclictest23616-21cut15:58:431
18497997426cyclictest11535-21/usr/sbin/munin15:13:331
18497997425cyclictest26997-21cat14:18:341
18497997423cyclictest17048-21/usr/sbin/munin15:38:441
1848599748cyclictest0-21swapper/016:50:410
1848599748cyclictest0-21swapper/012:14:080
18485997462cyclictest0-21swapper/012:28:270
1849799734cyclictest4147-21/usr/sbin/munin16:38:541
1849799734cyclictest297-21snmpd15:56:561
1849799733cyclictest9295-21/usr/sbin/munin15:03:551
1849799733cyclictest32025-21/usr/sbin/munin16:23:591
1849799733cyclictest15760-21/usr/sbin/munin15:24:011
1849799733cyclictest11498-21/usr/sbin/munin13:28:391
1848599738cyclictest0-21swapper/016:34:190
1848599738cyclictest0-21swapper/016:34:190
1848599737cyclictest0-21swapper/016:04:090
1848599733cyclictest10907-21processes15:08:570
1849799724cyclictest20528-21/usr/sbin/munin13:58:541
1849799723cyclictest8352-21/usr/sbin/munin16:53:441
1849799723cyclictest297-21snmpd16:59:381
1849799723cyclictest18438-21/usr/sbin/munin17:28:511
1849799723cyclictest14123-21/usr/sbin/munin17:14:011
18497997222cyclictest11379-21sshd15:12:481
1848599729cyclictest0-21swapper/014:53:270
18497997124cyclictest32570-21unixbench_multi14:33:591
1848599718cyclictest0-21swapper/014:08:440
18485997111cyclictest0-21swapper/016:55:450
1849799704cyclictest29845-21/usr/sbin/munin16:18:401
1849799703cyclictest9320-21chrt13:21:121
1849799703cyclictest6778-21diskstats16:48:421
1849799703cyclictest28624-21irqstats12:38:431
1849799703cyclictest25762-21fw_packets14:13:431
1849799703cyclictest19467-21/usr/sbin/munin17:33:401
1848599709cyclictest0-21swapper/012:38:440
1848599708cyclictest0-21swapper/013:53:200
18485997010cyclictest0-21swapper/015:33:520
1849799687cyclictest0-21swapper/117:12:321
1849799684cyclictest27050-21/usr/sbin/munin12:33:421
18497996821cyclictest11782-21/usr/sbin/munin17:03:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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