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2026-03-18 - 13:46
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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 rackfslot7.osadl.org (updated Wed Mar 18, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1718655997437,18cyclictest1751319-21latency_hist20:10:003
1718655997415,40cyclictest236199-21snmpd19:16:453
1718655997333,38cyclictest1744985-21processes19:55:203
1718655997234,38cyclictest1868091-21gpgv23:40:013
1718655997234,19cyclictest1800619-21sshd21:35:323
1718655997214,39cyclictest1885282-21telnet00:10:103
1718655997112,58cyclictest0-21swapper/321:55:133
1718652997112,19cyclictest0-21swapper/022:25:160
1718655996910,39cyclictest1813360-21df22:00:143
1718655996729,19cyclictest1872529-21meminfo23:45:193
1718655996527,38cyclictest511ktimers/321:25:443
171865399580,18cyclictest0-21swapper/122:30:171
1718655995718,39cyclictest511ktimers/320:39:033
1718655995517,19cyclictest1757747-21df_inode20:20:133
1718655995436,18cyclictest1718651-21cyclictest20:55:003
1718655995435,19cyclictest511ktimers/322:49:563
1718655995319,15cyclictest0-21swapper/321:05:573
1718655995315,19cyclictest52-21ksoftirqd/320:25:193
1718655995314,39cyclictest0-21swapper/319:32:343
1718655995314,20cyclictest1841858-21ntpq22:50:173
1718655995314,19cyclictest0-21swapper/323:20:203
1718659995213,38cyclictest0-21swapper/723:50:157
1718655995233,19cyclictest0-21swapper/322:09:053
1718655995233,19cyclictest0-21swapper/321:43:213
1718655995233,19cyclictest0-21swapper/319:11:233
1718655995233,19cyclictest0-21swapper/300:33:453
1718655995215,18cyclictest1770638-21unin-run20:45:003
1718655995214,19cyclictest501rcuc/323:30:203
1718655995214,19cyclictest0-21swapper/320:50:013
1718655995213,39cyclictest0-21swapper/319:42:003
1718655995213,39cyclictest0-21swapper/300:35:183
1718655995132,19cyclictest0-21swapper/321:49:383
1718655995132,19cyclictest0-21swapper/320:00:173
1718655995132,19cyclictest0-21swapper/300:05:133
1718655995131,19cyclictest0-21swapper/323:11:513
1718655995112,39cyclictest0-21swapper/322:36:453
1718655995112,39cyclictest0-21swapper/321:10:523
1718655995112,39cyclictest0-21swapper/319:37:113
1718654995111,39cyclictest0-21swapper/222:10:162
1718653995112,38cyclictest0-21swapper/121:45:151
1718655995031,19cyclictest0-21swapper/323:54:263
1718655995031,19cyclictest0-21swapper/323:05:463
1718655995031,19cyclictest0-21swapper/322:56:063
1718655995031,19cyclictest0-21swapper/322:14:023
1718655995031,19cyclictest0-21swapper/321:54:033
1718655995031,19cyclictest0-21swapper/321:30:453
1718655995031,19cyclictest0-21swapper/321:19:363
1718655995031,19cyclictest0-21swapper/320:12:473
1718655995031,19cyclictest0-21swapper/300:28:043
1718655995031,19cyclictest0-21swapper/300:22:273
1718655995012,19cyclictest0-21swapper/320:30:183
1718655995011,39cyclictest0-21swapper/323:40:183
1718655995011,39cyclictest0-21swapper/320:16:363
1718655995011,39cyclictest0-21swapper/319:51:073
1718655995011,39cyclictest0-21swapper/300:01:123
1718655995010,39cyclictest0-21swapper/323:55:113
1718659994911,19cyclictest0-21swapper/723:30:167
1718655994931,18cyclictest0-21swapper/322:17:473
1718655994931,18cyclictest0-21swapper/321:04:263
1718655994911,19cyclictest1854914-21aten2.4_rfpower23:15:133
1718655994910,39cyclictest0-21swapper/319:48:013
171865599489,39cyclictest0-21swapper/319:26:153
171865599489,39cyclictest0-21swapper/319:21:263
1718655994829,19cyclictest0-21swapper/322:25:493
1718653994830,0cyclictest0-21swapper/123:00:151
171865799478,39cyclictest0-21swapper/520:40:145
171865699479,19cyclictest0-21swapper/419:55:164
171865699478,39cyclictest0-21swapper/421:50:164
171865599478,39cyclictest0-21swapper/323:00:373
171865599478,39cyclictest0-21swapper/321:20:493
171865599478,39cyclictest0-21swapper/320:56:093
171865599478,39cyclictest0-21swapper/300:16:323
171865399478,39cyclictest0-21swapper/122:10:171
171865399477,39cyclictest0-21swapper/123:15:161
171865599467,39cyclictest0-21swapper/322:42:193
171865599456,19cyclictest0-21swapper/323:29:273
1718655994535,0cyclictest0-21swapper/322:30:163
1718655994526,19cyclictest0-21swapper/322:20:183
171865399457,19cyclictest0-21swapper/122:15:141
171865399457,19cyclictest0-21swapper/100:15:161
171865999446,38cyclictest0-21swapper/723:45:167
1718658994426,18cyclictest0-21swapper/623:25:156
171865399441,43cyclictest0-21swapper/121:50:161
171865999435,19cyclictest0-21swapper/721:55:147
171865399435,19cyclictest0-21swapper/120:20:151
171865699402,19cyclictest0-21swapper/423:40:154
1718653993939,0cyclictest0-21swapper/100:06:331
1718656993838,0cyclictest0-21swapper/423:20:174
171865399380,19cyclictest0-21swapper/120:15:161
171865399370,18cyclictest0-21swapper/100:20:161
171865999360,17cyclictest0-21swapper/721:20:157
1718658993636,0cyclictest1819106-21mii-tool22:10:166
1718656993636,0cyclictest0-21swapper/419:21:434
171865699360,16cyclictest0-21swapper/422:04:204
171865399360,18cyclictest781-21mta-sts-daemon19:10:141
171865299360,35cyclictest0-21swapper/020:30:150
1718659993514,20cyclictest0-21swapper/722:45:157
171865999350,15cyclictest0-21swapper/720:50:157
171865799350,35cyclictest0-21swapper/520:55:165
171865699350,35cyclictest0-21swapper/400:30:174
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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