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2025-05-22 - 12:22
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot8.osadl.org (updated Thu May 22, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22732331299,20sleep20-21swapper/219:06:472
25212276241,22sleep10-21swapper/119:09:511
23712269237,20sleep00-21swapper/019:07:530
23792263226,21sleep30-21swapper/319:08:003
95482740,1sleep20-21swapper/222:05:302
267632590,0sleep30-21swapper/321:32:543
161502590,0sleep30-21swapper/300:33:153
296402550,0sleep00-21swapper/023:28:570
81872450,0sleep00-21swapper/023:36:060
320852230,0sleep10-21swapper/122:21:231
184392200,0sleep30-21swapper/321:26:463
259662190,0sleep30-21swapper/321:55:143
182602160,1sleep318248-21ssh21:50:013
174212160,0sleep20-21swapper/223:20:142
97512150,0sleep10-21swapper/121:43:561
133732140,0sleep10-21swapper/100:03:531
163342110,0sleep00-21swapper/023:42:140
239312100,0sleep10-21swapper/122:15:301
31847290,0sleep10-21swapper/123:53:521
26629995,3cyclictest19982-21systemd-journal23:40:253
26629994,3cyclictest19982-21systemd-journal23:40:013
26629994,3cyclictest19982-21systemd-journal20:51:033
26579997,2cyclictest28-21ksoftirqd/200:00:002
26499994,3cyclictest19982-21systemd-journal21:26:290
26629983,3cyclictest19982-21systemd-journal22:05:163
26629983,3cyclictest19982-21systemd-journal00:29:043
26629983,3cyclictest19982-21systemd-journal00:22:323
26629983,3cyclictest19982-21systemd-journal00:12:573
26579984,3cyclictest508-21dbus-daemon23:28:192
26579984,3cyclictest508-21dbus-daemon21:40:412
26579984,3cyclictest19982-21systemd-journal21:55:022
26579983,3cyclictest19982-21systemd-journal21:25:142
26579983,3cyclictest19982-21systemd-journal20:32:152
26579983,3cyclictest19982-21systemd-journal20:05:082
26579983,3cyclictest19982-21systemd-journal00:23:312
26579982,3cyclictest6161-21ls22:50:012
26539987,1cyclictest22-21ksoftirqd/123:25:021
26539987,1cyclictest22-21ksoftirqd/121:55:011
26539984,3cyclictest19982-21systemd-journal22:52:261
26539983,3cyclictest19982-21systemd-journal20:41:011
26539983,3cyclictest19982-21systemd-journal19:14:391
26499984,3cyclictest508-21dbus-daemon23:24:080
26499984,3cyclictest19982-21systemd-journal19:50:070
26499984,2cyclictest19982-21systemd-journal21:39:010
22462280,3sleep334-21ksoftirqd/321:00:203
12608280,0sleep20-21swapper/222:54:192
30918270,0sleep00-21swapper/021:58:350
26629974,2cyclictest508-21dbus-daemon19:51:473
26629974,2cyclictest34-21ksoftirqd/319:15:023
26629974,2cyclictest19982-21systemd-journal21:17:193
26629973,3cyclictest508-21dbus-daemon20:17:393
26629973,3cyclictest508-21dbus-daemon00:37:083
26629973,3cyclictest32227-21tail23:30:203
26629973,3cyclictest32227-21tail23:30:203
26629973,3cyclictest2100-21ntpq23:55:223
26629973,3cyclictest19982-21systemd-journal00:08:183
26629973,3cyclictest11577-21sshd22:30:183
26629973,3cyclictest0-21swapper/322:15:363
26629973,1cyclictest0-21swapper/323:04:213
26629973,1cyclictest0-21swapper/322:40:273
26629973,1cyclictest0-21swapper/322:11:423
26629973,1cyclictest0-21swapper/300:16:563
26629973,1cyclictest0-21swapper/300:00:583
26629972,4cyclictest0-21swapper/321:22:143
26629972,3cyclictest7661-21lldpd20:24:513
26629972,3cyclictest19982-21systemd-journal23:08:183
26629972,3cyclictest19982-21systemd-journal19:30:303
26579975,1cyclictest0-21swapper/222:32:552
26579973,3cyclictest19982-21systemd-journal23:52:052
26579973,3cyclictest19982-21systemd-journal23:16:132
26579973,3cyclictest19982-21systemd-journal22:23:042
26579973,3cyclictest19982-21systemd-journal00:30:532
26579973,2cyclictest19982-21systemd-journal20:14:432
26579973,1cyclictest0-21swapper/221:23:162
26579972,3cyclictest19982-21systemd-journal21:35:142
26579972,3cyclictest19982-21systemd-journal19:27:322
26579971,5cyclictest0-21swapper/223:10:202
26579971,4cyclictest19982-21systemd-journal00:09:122
26579971,3cyclictest28812-21cron22:20:002
26539976,1cyclictest22-21ksoftirqd/120:20:001
26539974,2cyclictest22-21ksoftirqd/119:25:011
26539973,3cyclictest7661-21lldpd21:16:381
26539973,3cyclictest3465-21sshd23:33:141
26539973,3cyclictest3465-21sshd23:33:131
26539973,3cyclictest19982-21systemd-journal19:42:121
26539973,3cyclictest0-21swapper/122:39:371
26539973,1cyclictest0-21swapper/123:47:481
26539973,1cyclictest0-21swapper/123:01:191
26539973,1cyclictest0-21swapper/122:29:531
26539973,1cyclictest0-21swapper/121:47:251
26539973,1cyclictest0-21swapper/121:33:401
26539972,3cyclictest19982-21systemd-journal21:36:291
26539971,3cyclictest141rcu_preempt00:25:141
26539970,1cyclictest2152-21rm22:46:081
26499974,2cyclictest508-21dbus-daemon23:02:520
26499974,2cyclictest508-21dbus-daemon00:30:030
26499974,2cyclictest19213-21grep22:35:190
26499974,2cyclictest11736-21in:imuxsock20:05:580
26499974,2cyclictest11736-21in:imuxsock20:05:010
26499973,3cyclictest23964-21awk21:30:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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