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2025-10-14 - 18:06
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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 Tue Oct 14, 2025 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
180642315288,17sleep20-21swapper/207:09:462
179992280246,22sleep00-21swapper/007:09:160
180022270235,22sleep30-21swapper/307:09:193
177582257224,22sleep10-21swapper/107:06:081
297512660,0sleep20-21swapper/211:20:162
166462590,0sleep20-21swapper/211:35:542
74352560,0sleep20-21swapper/209:05:172
260112550,0sleep30-21swapper/310:50:143
101262550,0sleep30-21swapper/311:58:453
267532220,0sleep30-21swapper/311:45:163
267532220,0sleep30-21swapper/311:45:163
193612180,0sleep00-21swapper/008:20:190
18194991715,1cyclictest28-21ksoftirqd/211:00:012
152312170,0sleep00-21swapper/011:35:160
80172150,0sleep00-21swapper/010:06:460
157352140,0sleep10-21swapper/110:13:561
249422130,0sleep00-21swapper/009:23:210
18194991311,2cyclictest28-21ksoftirqd/210:40:002
222062120,0sleep00-21swapper/012:08:350
1819499109,1cyclictest28-21ksoftirqd/212:30:002
1819499109,1cyclictest28-21ksoftirqd/211:10:012
1819499109,1cyclictest28-21ksoftirqd/210:05:012
1819499109,1cyclictest28-21ksoftirqd/209:40:012
1819499108,1cyclictest28-21ksoftirqd/211:55:012
1819499108,1cyclictest28-21ksoftirqd/211:50:012
1819499108,1cyclictest28-21ksoftirqd/211:50:012
1819499108,1cyclictest28-21ksoftirqd/211:30:012
1819499108,1cyclictest28-21ksoftirqd/209:30:002
1819099103,6cyclictest19116-21gdbus10:20:001
32044290,0sleep30-21swapper/308:50:123
22009290,0sleep20-21swapper/208:25:212
181989996,2cyclictest34-21ksoftirqd/309:20:143
181989996,2cyclictest19982-21systemd-journal12:24:383
181989994,3cyclictest19982-21systemd-journal08:55:123
181989994,3cyclictest19982-21systemd-journal08:46:003
181949998,1cyclictest28-21ksoftirqd/209:55:012
181949998,1cyclictest28-21ksoftirqd/209:55:012
181949998,1cyclictest28-21ksoftirqd/209:15:002
181949998,1cyclictest28-21ksoftirqd/208:40:002
181949998,1cyclictest28-21ksoftirqd/208:00:012
181949998,1cyclictest28-21ksoftirqd/208:00:012
181949998,1cyclictest28-21ksoftirqd/207:35:012
181949997,1cyclictest28-21ksoftirqd/212:15:002
181949997,1cyclictest28-21ksoftirqd/212:05:012
181949997,1cyclictest28-21ksoftirqd/211:20:012
181949997,1cyclictest28-21ksoftirqd/207:30:012
181949996,2cyclictest28-21ksoftirqd/210:30:002
181949996,2cyclictest28-21ksoftirqd/209:05:002
181949995,3cyclictest19982-21systemd-journal09:45:012
181909995,2cyclictest19982-21systemd-journal12:01:411
181909994,3cyclictest19982-21systemd-journal09:46:061
181859994,4cyclictest4168-21sshd11:25:230
181859994,3cyclictest19982-21systemd-journal10:58:420
181859994,3cyclictest19982-21systemd-journal09:09:480
17035290,0sleep00-21swapper/012:04:510
24083280,2sleep122-21ksoftirqd/110:48:321
181989987,1cyclictest34-21ksoftirqd/309:15:003
181989984,3cyclictest24689-21sshd09:52:453
181989984,3cyclictest24689-21sshd09:52:453
181989983,3cyclictest19982-21systemd-journal08:29:433
181989983,3cyclictest19982-21systemd-journal07:29:413
181949987,1cyclictest28-21ksoftirqd/212:00:012
181949987,1cyclictest28-21ksoftirqd/209:50:012
181949987,1cyclictest28-21ksoftirqd/209:34:592
181949987,1cyclictest28-21ksoftirqd/209:25:002
181949987,1cyclictest28-21ksoftirqd/209:20:002
181949987,1cyclictest28-21ksoftirqd/208:45:002
181949987,1cyclictest28-21ksoftirqd/208:25:002
181949986,2cyclictest28-21ksoftirqd/207:15:012
181949986,1cyclictest271rcuc/209:00:002
181949985,2cyclictest28-21ksoftirqd/210:20:002
181949985,2cyclictest28-21ksoftirqd/207:40:012
181949985,2cyclictest28-21ksoftirqd/207:25:012
181949983,3cyclictest502-21systemd-logind11:34:092
181949980,7cyclictest11357-21dump-pmu-power08:05:012
181949980,3cyclictest508-21dbus-daemon11:13:432
181909985,2cyclictest30654-21snmpd10:22:541
181909983,3cyclictest19982-21systemd-journal11:40:491
181909983,3cyclictest19982-21systemd-journal08:30:001
181909983,3cyclictest1-21systemd09:40:011
181909980,1cyclictest3219-21ssh10:57:241
14227280,1sleep114205-21munin-run11:35:011
181989976,1cyclictest34-21ksoftirqd/310:05:013
181989974,2cyclictest508-21dbus-daemon07:51:473
181989974,2cyclictest508-21dbus-daemon07:42:373
181989974,2cyclictest30654-21snmpd11:40:053
181989974,2cyclictest19982-21systemd-journal10:55:023
181989973,3cyclictest508-21dbus-daemon09:40:013
181989973,3cyclictest30654-21snmpd10:25:413
181989973,3cyclictest21647-21df07:15:133
181989973,3cyclictest19982-21systemd-journal10:48:413
181989973,3cyclictest15383-21df09:15:143
181989973,1cyclictest0-21swapper/312:03:303
181989973,1cyclictest0-21swapper/311:25:133
181989973,1cyclictest0-21swapper/309:27:553
181989972,3cyclictest7661-21lldpd11:14:593
181989972,3cyclictest19982-21systemd-journal10:07:483
181989971,2cyclictest34-21ksoftirqd/309:55:423
181989970,4cyclictest19982-21systemd-journal10:21:593
181989970,3cyclictest1992-21sshd10:30:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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