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2025-11-22 - 03:00
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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 rack1slot1.osadl.org (updated Sat Nov 22, 2025 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
181402230158,26sleep00-21swapper/019:05:570
181952212150,20sleep30-21swapper/319:06:403
183922205163,29sleep20-21swapper/219:09:122
161022197157,27sleep10-21swapper/119:05:011
314062730,0sleep20-21swapper/223:06:102
120312690,0sleep20-21swapper/222:40:142
28042580,0sleep20-21swapper/223:57:522
18556991818,0cyclictest35-21ksoftirqd/322:14:293
20562170,1sleep121-21ksoftirqd/123:10:251
18556991716,0cyclictest35-21ksoftirqd/323:23:143
18551991717,0cyclictest28-21ksoftirqd/222:35:182
215952160,0sleep10-21swapper/122:53:431
18556991615,1cyclictest35-21ksoftirqd/300:19:283
18556991515,0cyclictest35-21ksoftirqd/322:15:123
18556991414,0cyclictest35-21ksoftirqd/323:52:353
18556991414,0cyclictest35-21ksoftirqd/323:01:233
18556991414,0cyclictest35-21ksoftirqd/322:58:363
18556991411,2cyclictest28887-21munin-run00:35:013
18556991313,0cyclictest35-21ksoftirqd/323:41:333
18556991313,0cyclictest35-21ksoftirqd/323:12:393
18556991313,0cyclictest35-21ksoftirqd/322:52:363
18556991313,0cyclictest35-21ksoftirqd/322:36:223
18556991313,0cyclictest35-21ksoftirqd/322:32:013
18556991313,0cyclictest35-21ksoftirqd/321:25:373
18556991313,0cyclictest35-21ksoftirqd/300:35:273
18556991310,1cyclictest35-21ksoftirqd/321:47:263
1855699128,2cyclictest254-21systemd-journal23:57:183
18556991212,0cyclictest35-21ksoftirqd/322:42:593
18556991212,0cyclictest35-21ksoftirqd/322:22:193
18556991212,0cyclictest35-21ksoftirqd/321:56:533
18556991212,0cyclictest35-21ksoftirqd/300:21:203
18556991212,0cyclictest35-21ksoftirqd/300:01:113
18556991210,1cyclictest5423-21fschecks_time20:55:143
18556991210,1cyclictest35-21ksoftirqd/321:32:243
18556991210,1cyclictest31050-21runrttasks19:33:083
18551991211,1cyclictest28-21ksoftirqd/222:15:002
18551991210,1cyclictest28-21ksoftirqd/222:50:242
1854299122,5cyclictest12030-21wc21:55:000
1855699119,1cyclictest7638-21aten_r1power_en00:05:133
1855699119,1cyclictest11685-21diskmemload23:39:383
1855699118,2cyclictest4698-21diskstats23:15:133
18556991111,0cyclictest35-21ksoftirqd/323:30:373
18556991111,0cyclictest35-21ksoftirqd/323:25:053
18556991111,0cyclictest35-21ksoftirqd/323:25:043
18556991111,0cyclictest35-21ksoftirqd/322:06:153
18556991111,0cyclictest35-21ksoftirqd/322:01:223
18556991111,0cyclictest35-21ksoftirqd/321:39:173
18556991111,0cyclictest35-21ksoftirqd/300:26:473
18556991111,0cyclictest35-21ksoftirqd/300:13:203
18556991110,1cyclictest35-21ksoftirqd/322:49:283
18556991110,1cyclictest35-21ksoftirqd/322:25:343
18556991110,1cyclictest35-21ksoftirqd/321:51:423
18556991110,1cyclictest35-21ksoftirqd/321:16:083
18556991110,1cyclictest11685-21diskmemload21:10:203
1855699111,9cyclictest31197-21ssh23:05:293
1855199119,1cyclictest28-21ksoftirqd/220:00:002
1855199118,1cyclictest28-21ksoftirqd/220:44:592
18551991110,1cyclictest28-21ksoftirqd/223:10:242
18551991110,1cyclictest28-21ksoftirqd/200:00:122
1855699109,1cyclictest0-21swapper/320:45:143
1855699109,0cyclictest35-21ksoftirqd/319:15:013
1855699105,4cyclictest341rcuc/321:40:023
18556991010,0cyclictest35-21ksoftirqd/323:45:093
18556991010,0cyclictest35-21ksoftirqd/321:20:093
18556991010,0cyclictest35-21ksoftirqd/319:38:203
1855699101,8cyclictest10607-21apt-get20:00:013
1855699101,1cyclictest18903-21cpu19:10:113
1855699100,9cyclictest19236-21irqstats20:15:153
1855699100,2cyclictest3452-21memory20:50:153
1855199109,1cyclictest28-21ksoftirqd/222:15:142
1855199109,1cyclictest28-21ksoftirqd/221:50:132
1855199109,1cyclictest28-21ksoftirqd/200:40:012
1855199108,1cyclictest28-21ksoftirqd/223:50:112
1855199108,1cyclictest28-21ksoftirqd/221:40:182
1855199108,1cyclictest28-21ksoftirqd/221:30:142
1855199108,1cyclictest28-21ksoftirqd/220:50:002
1854299108,1cyclictest9-21ksoftirqd/019:54:590
185569993,4cyclictest6116-21apt-get19:50:113
185569991,8cyclictest35-21ksoftirqd/319:44:203
185569991,1cyclictest35-21ksoftirqd/320:24:243
185569991,1cyclictest35-21ksoftirqd/319:29:193
185569991,0cyclictest35-21ksoftirqd/320:06:073
185569990,1cyclictest25829-21expr20:30:133
185569990,1cyclictest0-21swapper/319:20:193
185519999,0cyclictest28-21ksoftirqd/222:30:142
185519998,1cyclictest28-21ksoftirqd/223:45:212
185519998,1cyclictest28-21ksoftirqd/223:30:202
185519997,2cyclictest18538-21cyclictest00:18:442
185519990,8cyclictest0-21swapper/222:00:182
185519990,0cyclictest0-21swapper/222:57:222
185429998,1cyclictest9-21ksoftirqd/020:50:200
185429995,1cyclictest254-21systemd-journal21:15:000
185429994,4cyclictest11685-21diskmemload23:40:530
185429992,3cyclictest20516-21perf20:20:000
185429990,6cyclictest26928-21kworker/0:119:45:140
185429990,6cyclictest254-21systemd-journal00:40:000
185429990,5cyclictest0-21swapper/023:03:220
185429990,5cyclictest0-21swapper/000:01:370
8513280,0sleep10-21swapper/123:20:151
185569988,0cyclictest35-21ksoftirqd/320:40:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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