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2026-04-06 - 14:33
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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 rack1slot3.osadl.org (updated Mon Apr 06, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2460811991711,5cyclictest0-21swapper/310:00:193
246081199140,12cyclictest0-21swapper/307:35:113
246081199131,1cyclictest0-21swapper/308:20:123
2460811991311,0cyclictest0-21swapper/309:15:163
246081199120,11cyclictest0-21swapper/312:00:123
246081199120,11cyclictest0-21swapper/311:05:213
246081199120,11cyclictest0-21swapper/311:00:113
246081199120,11cyclictest0-21swapper/308:40:113
246081199120,11cyclictest0-21swapper/308:40:113
246081199118,1cyclictest0-21swapper/311:55:133
246081199116,2cyclictest0-21swapper/310:05:123
2460811991111,0cyclictest0-21swapper/308:15:003
2460811991110,0cyclictest0-21swapper/308:30:113
246081199110,10cyclictest0-21swapper/310:30:003
246081199110,10cyclictest0-21swapper/310:25:003
246081199110,10cyclictest0-21swapper/309:10:013
246081199110,10cyclictest0-21swapper/308:55:013
246081199110,0cyclictest0-21swapper/312:05:013
246081199110,0cyclictest0-21swapper/311:50:123
246081199110,0cyclictest0-21swapper/308:45:123
246081199109,0cyclictest0-21swapper/307:20:113
246081199108,1cyclictest0-21swapper/310:35:123
2460811991010,0cyclictest0-21swapper/311:45:193
2460811991010,0cyclictest0-21swapper/311:20:013
2460811991010,0cyclictest0-21swapper/308:35:023
2460811991010,0cyclictest0-21swapper/308:05:003
2460811991010,0cyclictest0-21swapper/307:30:113
246081199100,10cyclictest0-21swapper/308:15:173
246081199100,10cyclictest0-21swapper/307:15:013
140398100,0rtkit-daemon1402-21rtkit-daemon09:20:011
24608119999,0cyclictest0-21swapper/312:10:173
24608119999,0cyclictest0-21swapper/311:35:123
24608119999,0cyclictest0-21swapper/311:10:193
24608119999,0cyclictest0-21swapper/310:10:163
24608119999,0cyclictest0-21swapper/309:25:013
24608119999,0cyclictest0-21swapper/307:55:013
24608119997,1cyclictest0-21swapper/309:30:113
24608119996,2cyclictest0-21swapper/310:50:003
24608119996,2cyclictest0-21swapper/307:40:133
24608119990,8cyclictest0-21swapper/310:15:313
24608119990,8cyclictest0-21swapper/309:10:173
24608119990,0cyclictest0-21swapper/311:40:113
24608119988,0cyclictest0-21swapper/312:35:133
24608119988,0cyclictest0-21swapper/311:20:013
24608119988,0cyclictest0-21swapper/309:25:173
24608119988,0cyclictest0-21swapper/307:55:023
24608119987,0cyclictest0-21swapper/312:23:213
24608119980,7cyclictest25669462sleep311:30:013
24608119977,0cyclictest0-21swapper/309:35:183
24608119977,0cyclictest0-21swapper/307:45:113
2459926271,4sleep30-21swapper/307:05:203
24608119966,0cyclictest0-21swapper/311:30:213
24608119966,0cyclictest0-21swapper/309:55:123
24608119966,0cyclictest0-21swapper/307:25:203
24608119965,0cyclictest0-21swapper/312:30:123
24608119964,0cyclictest0-21swapper/309:05:013
24608119961,4cyclictest26450irq/132-ahci[0000:00:17.0]12:15:173
14039860,3rtkit-daemon0-21swapper/107:05:201
24608119955,0cyclictest0-21swapper/310:45:003
24608119955,0cyclictest0-21swapper/308:25:173
24608119952,1cyclictest0-21swapper/309:50:133
24608119951,3cyclictest26450irq/132-ahci[0000:00:17.0]08:59:033
24608119951,2cyclictest0-21swapper/310:55:133
24608119951,2cyclictest0-21swapper/310:50:123
24608119950,4cyclictest26450irq/132-ahci[0000:00:17.0]12:28:163
24608119950,4cyclictest0-21swapper/309:45:143
14039850,2rtkit-daemon2573501-21apt-get11:45:121
2461428240,3sleep12461558-21grep07:10:151
24608119941,2cyclictest0-21swapper/307:10:113
24608119941,1cyclictest0-21swapper/308:05:123
24608119940,2cyclictest25223942sleep309:43:103
24608119940,2cyclictest0-21swapper/310:30:123
2459319241,1sleep20-21swapper/207:05:152
14039840,2rtkit-daemon2591415-21switchtime12:25:191
14039840,2rtkit-daemon2581039-21vmstat12:00:211
14039840,2rtkit-daemon2548692-21grep10:45:191
14039840,2rtkit-daemon1-21systemd12:22:571
14039840,2rtkit-daemon1-21systemd10:23:141
14039840,1rtkit-daemon772-21lldpd11:39:571
14039840,1rtkit-daemon622-21wpa_supplicant12:18:431
14039840,1rtkit-daemon2543742-21apt-get10:35:121
2593887230,0sleep00-21swapper/012:30:570
2541117230,0sleep20-21swapper/210:27:402
2516652230,1sleep12516680-21apt-get09:30:111
2516119230,1sleep02516140-21apt-get09:27:510
2510570230,1sleep22510596-21apt-get09:15:112
2508553230,1sleep12508579-21apt-get09:10:111
2483239230,2sleep12483534-21df08:05:141
2472528230,0sleep10-21swapper/107:35:201
2462252230,0sleep00-21swapper/007:10:340
2461560230,2sleep22461706-21ntp_states07:10:162
2459535231,1sleep00-21swapper/007:05:180
14039830,2rtkit-daemon622-21wpa_supplicant10:02:461
14039830,2rtkit-daemon592-21rpcbind07:32:271
14039830,2rtkit-daemon2462793-21munin-node09:20:151
14039830,2rtkit-daemon1-21systemd09:35:131
14039830,1rtkit-daemon769-21ntpd09:55:321
14039830,1rtkit-daemon769-21ntpd08:11:571
14039830,1rtkit-daemon766-21snmpd10:53:341
14039830,1rtkit-daemon691-21gmain11:30:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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