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2025-12-03 - 01:59
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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 rack0slot4.osadl.org (updated Wed Dec 03, 2025 00:46:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18175202401379,14sleep70-21swapper/719:08:2113
18175582355311,15sleep20-21swapper/219:08:488
18174282354334,13sleep120-21swapper/1219:07:064
18173292349307,15sleep90-21swapper/919:05:4315
18174182346322,15sleep40-21swapper/419:06:5810
18173682344321,15sleep140-21swapper/1419:06:196
18140702344322,14sleep30-21swapper/319:05:049
18176092341320,14sleep110-21swapper/1119:09:303
18175092341319,14sleep130-21swapper/1319:08:115
18174072341318,14sleep100-21swapper/1019:06:472
18174682340318,14sleep80-21swapper/819:07:3414
18173352340317,15sleep150-21swapper/1519:05:487
18173422339317,14sleep50-21swapper/519:05:5411
18174032337315,14sleep60-21swapper/619:06:4312
18173552336313,14sleep10-21swapper/119:06:061
18173542335313,15sleep00-21swapper/019:06:050
181810299228226,1cyclictest2052501-21nodev-device-ev23:40:1714
181807799213212,1cyclictest0-21swapper/023:40:170
181807999175174,1cyclictest2073887-21nodev-device-ev00:05:191
181808999166164,1cyclictest1919991-21nodev-device-ev21:05:1810
181811799151151,0cyclictest0-21swapper/1221:05:184
181810299138137,1cyclictest1894325-21nodev-device-ev20:35:1914
181810799134133,1cyclictest0-21swapper/900:05:1915
181807799124124,0cyclictest0-21swapper/020:35:190
181808999107106,1cyclictest1864396-21nodev-device-ev20:00:1810
181811299105104,1cyclictest2099524-21nodev-device-ev00:35:183
1818122999796,1cyclictest0-21swapper/1322:30:175
1818107999796,1cyclictest0-21swapper/900:00:1815
1818082999594,1cyclictest0-21swapper/219:50:208
1818117999493,1cyclictest0-21swapper/1220:00:184
1818079999088,1cyclictest2026855-21nodev-device-ev23:10:181
1818079998584,1cyclictest0-21swapper/119:35:201
1818112998483,1cyclictest1902877-21nodev-device-ev20:45:203
1818107998281,1cyclictest0-21swapper/922:45:1715
1818099998180,1cyclictest2001187-21nodev-device-ev22:40:1813
1818102997877,1cyclictest1881488-21nodev-device-ev20:20:1914
1818112997473,1cyclictest0-21swapper/1100:10:163
1818131997169,2cyclictest1571rcuc/1522:55:187
1818122997170,1cyclictest2056760-21nodev-device-ev23:45:185
1818109997170,1cyclictest1855851-21nodev-device-ev19:50:202
1818126996766,1cyclictest0-21swapper/1423:25:166
1818077996463,1cyclictest0-21swapper/020:20:190
1818087995958,1cyclictest0-21swapper/322:50:189
1818087995554,1cyclictest1937071-21nodev-device-ev21:25:199
1818099995453,1cyclictest0-21swapper/719:15:0013
181811299500,50cyclictest0-21swapper/1122:29:273
181811299500,25cyclictest0-21swapper/1123:46:203
181811299500,25cyclictest0-21swapper/1123:35:213
181811299500,25cyclictest0-21swapper/1123:13:233
181811299500,25cyclictest0-21swapper/1121:56:303
181811299500,25cyclictest0-21swapper/1121:34:323
181811299500,25cyclictest0-21swapper/1120:50:363
181811299500,25cyclictest0-21swapper/1120:39:373
181811299500,25cyclictest0-21swapper/1120:17:393
181811299500,25cyclictest0-21swapper/1119:11:453
181811299490,24cyclictest0-21swapper/1123:57:193
181811299490,24cyclictest0-21swapper/1122:07:303
181811299490,24cyclictest0-21swapper/1122:07:293
181811299490,24cyclictest0-21swapper/1121:01:353
181811299490,24cyclictest0-21swapper/1119:22:443
1818107994847,1cyclictest0-21swapper/923:10:1815
1818099994847,1cyclictest0-21swapper/719:10:1813
1818131994746,1cyclictest0-21swapper/1500:15:197
181811299457,13cyclictest0-21swapper/1121:45:313
1818087994544,1cyclictest0-21swapper/323:00:199
1818131994443,1cyclictest2090978-21nodev-device-ev00:25:207
1818107994442,1cyclictest1843013-21nodev-device-ev19:35:2015
1818131994241,1cyclictest0-21swapper/1521:15:177
1818097994141,0cyclictest0-21swapper/623:57:1712
1818097994141,0cyclictest0-21swapper/622:01:0912
1818097994141,0cyclictest0-21swapper/622:01:0912
1818097994040,0cyclictest0-21swapper/623:50:1112
1818079994040,0cyclictest0-21swapper/121:08:511
1818097993939,0cyclictest0-21swapper/620:13:4912
1818092993939,0cyclictest0-21swapper/519:54:2811
1818092993938,1cyclictest1907133-21nodev-device-ev20:50:1911
1818097993838,0cyclictest0-21swapper/623:10:5012
1818097993838,0cyclictest0-21swapper/623:05:4712
1818097993838,0cyclictest0-21swapper/622:15:4912
1818097993838,0cyclictest0-21swapper/619:35:2512
1818089993837,1cyclictest1872959-21nodev-device-ev20:10:1910
1818079993838,0cyclictest0-21swapper/120:33:321
1818079993838,0cyclictest0-21swapper/120:13:491
1818079993838,0cyclictest0-21swapper/119:47:071
181809799375,32cyclictest2035415-21kworker/6:0-events23:38:0312
1818097993737,0cyclictest0-21swapper/621:31:3212
1818097993737,0cyclictest0-21swapper/621:05:0912
1818097993737,0cyclictest0-21swapper/620:19:2412
1818092993737,0cyclictest0-21swapper/520:40:1311
1818092993736,1cyclictest0-21swapper/500:00:2611
1818079993737,0cyclictest2026869-21kworker/1:1-events23:50:101
1818079993737,0cyclictest0-21swapper/119:25:011
1818097993636,0cyclictest0-21swapper/623:30:0512
1818097993636,0cyclictest0-21swapper/623:21:4012
1818097993636,0cyclictest0-21swapper/623:02:1912
1818097993636,0cyclictest0-21swapper/622:09:0912
1818097993636,0cyclictest0-21swapper/622:09:0912
1818097993636,0cyclictest0-21swapper/621:57:2512
1818097993636,0cyclictest0-21swapper/621:28:2112
1818097993636,0cyclictest0-21swapper/620:05:3112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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