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2026-05-21 - 21:52
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Thu May 21, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39122600,1sleep11-21systemd11:08:101
55462590,0sleep60-21swapper/611:13:446
2874525442,8sleep70-21swapper/707:08:257
191852510,1sleep11-21systemd10:14:121
2866225027,8sleep00-21swapper/007:07:130
2852325037,9sleep40-21swapper/407:05:174
2849224825,8sleep50-21swapper/507:04:545
127642480,0sleep30-21swapper/310:28:323
111292480,0sleep10-21swapper/112:32:521
111292480,0sleep10-21swapper/112:32:521
324572470,1sleep71-21systemd10:35:007
2865624634,9sleep30-21swapper/307:07:083
215192460,0sleep20-21swapper/211:51:122
130592460,0sleep3721-21dbus-daemon10:34:003
272332450,0sleep20-21swapper/212:08:022
299672440,0sleep60-21swapper/610:27:396
247422440,1sleep1241ktimersoftd/111:12:591
212622440,0sleep60-21swapper/609:34:126
104952440,0sleep70-21swapper/709:33:417
36282430,0sleep70-21swapper/711:06:167
155232430,0sleep10-21swapper/109:57:381
83942420,1sleep08372-21bash09:31:420
287192420,0sleep40-21swapper/410:54:524
205702420,1sleep020572-21fschecks_count11:09:050
139162420,0sleep70-21swapper/711:49:017
110052420,0sleep10-21swapper/109:35:281
322982410,0sleep60-21swapper/612:37:466
322982410,0sleep60-21swapper/612:37:466
2878124129,8sleep60-21swapper/607:08:486
285432410,0sleep20-21swapper/211:44:162
234652410,0sleep223462-21sshd11:58:412
2853024028,8sleep20-21swapper/207:05:232
191292400,1sleep219114-21bash10:45:132
85642390,0sleep00-21swapper/009:35:190
2873023927,9sleep10-21swapper/107:08:111
53482380,0sleep00-21swapper/009:11:160
189782380,0sleep018957-21sshd12:37:000
189782380,0sleep018957-21sshd12:37:000
103622380,0sleep10-21swapper/110:22:531
219732360,0sleep70-21swapper/709:21:327
2895399233,3cyclictest33-21ksoftirqd/211:29:082
28953992318,4cyclictest33-21ksoftirqd/211:24:102
2894199239,3cyclictest25-21ksoftirqd/109:43:131
28953992115,4cyclictest33-21ksoftirqd/209:21:392
2894199218,3cyclictest25-21ksoftirqd/111:22:241
2894199218,3cyclictest25-21ksoftirqd/110:38:461
2894199216,3cyclictest25-21ksoftirqd/110:09:461
2894199214,1cyclictest25-21ksoftirqd/110:52:271
2895399208,1cyclictest131rcu_sched10:17:442
28953992016,1cyclictest33-21ksoftirqd/212:13:422
2894199197,3cyclictest25-21ksoftirqd/111:47:421
2894199195,1cyclictest25-21ksoftirqd/112:19:351
28941991917,1cyclictest25-21ksoftirqd/110:32:241
28941991915,1cyclictest121rcu_preempt10:38:531
34422180,1sleep585250irq/26-em1-tx-010:55:175
2895399181,1cyclictest121rcu_preempt09:10:462
2894199186,1cyclictest25-21ksoftirqd/112:12:131
2894199185,1cyclictest25-21ksoftirqd/110:27:321
2894199183,4cyclictest25-21ksoftirqd/110:57:001
28941991816,1cyclictest25-21ksoftirqd/109:09:131
28941991814,3cyclictest25-21ksoftirqd/111:49:401
28941991814,1cyclictest25-21ksoftirqd/111:39:311
28941991814,1cyclictest25-21ksoftirqd/110:04:141
2894199181,2cyclictest25-21ksoftirqd/112:05:321
274802180,0sleep30-21swapper/311:14:533
28993991716,1cyclictest73-21ksoftirqd/710:10:517
28993991711,3cyclictest73-21ksoftirqd/712:24:197
2897799172,2cyclictest26000-21grepconf.sh10:31:035
2895399176,1cyclictest33-21ksoftirqd/212:01:452
28953991715,1cyclictest464-21systemd-journal11:05:252
28953991715,1cyclictest33-21ksoftirqd/212:24:122
28953991715,1cyclictest33-21ksoftirqd/210:36:242
28953991715,1cyclictest33-21ksoftirqd/209:45:262
28953991714,3cyclictest33-21ksoftirqd/210:12:572
28953991714,2cyclictest29048-21cp10:31:122
28953991714,2cyclictest27009-21cp11:42:252
28953991713,1cyclictest33-21ksoftirqd/209:16:162
28953991712,4cyclictest33-21ksoftirqd/210:42:012
2895399170,1cyclictest131rcu_sched11:09:112
2894199177,1cyclictest121rcu_preempt09:44:391
2894199175,4cyclictest25-21ksoftirqd/111:33:521
2894199173,1cyclictest25-21ksoftirqd/109:15:471
2894199172,3cyclictest25-21ksoftirqd/112:38:331
2894199172,3cyclictest25-21ksoftirqd/112:38:331
2894199172,1cyclictest25-21ksoftirqd/112:15:591
28941991716,1cyclictest25-21ksoftirqd/109:24:041
28941991715,1cyclictest25-21ksoftirqd/112:00:491
28941991715,1cyclictest25-21ksoftirqd/110:46:221
28941991715,1cyclictest25-21ksoftirqd/109:59:151
28941991715,1cyclictest25-21ksoftirqd/109:30:321
28941991715,1cyclictest1844-21nfsd09:21:581
28941991714,3cyclictest25-21ksoftirqd/111:58:451
28941991714,2cyclictest25-21ksoftirqd/111:02:391
28941991713,3cyclictest25-21ksoftirqd/111:16:371
28941991712,3cyclictest25-21ksoftirqd/109:50:111
28993991614,1cyclictest73-21ksoftirqd/712:04:557
2897799162,4cyclictest19453-21systemd10:10:355
28953991615,1cyclictest33-21ksoftirqd/209:35:282
28953991614,2cyclictest33-21ksoftirqd/209:49:172
28953991614,1cyclictest33-21ksoftirqd/211:15:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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