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2026-03-21 - 06:43
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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 rack2slot0.osadl.org (updated Sat Mar 21, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
86782980,0sleep02453599cyclictest00:35:280
91172780,1sleep09-21ksoftirqd/023:03:400
115972780,2sleep32455299cyclictest00:16:013
115972780,2sleep32455299cyclictest00:16:003
222362640,0sleep30-21swapper/300:08:363
268242580,1sleep126823-21sshd21:23:241
239232570,0sleep20-21swapper/200:36:492
82912560,0sleep38285-21bash22:30:193
160522560,0sleep3391rcuc/322:44:523
2421525550,3sleep30-21swapper/319:07:173
234472550,0sleep30-21swapper/322:12:203
173942530,0sleep30-21swapper/323:04:233
89542520,0sleep10-21swapper/100:29:551
277702520,0sleep20-21swapper/221:19:442
15972520,0sleep20-21swapper/223:50:112
134812520,0sleep30-21swapper/323:45:373
99552510,0sleep20-21swapper/222:08:272
195902510,0sleep00-21swapper/023:51:420
170792510,0sleep00-21swapper/022:42:090
167802510,0sleep20-21swapper/223:15:192
33772500,0sleep2311rcuc/223:03:102
321322500,0sleep00-21swapper/000:29:060
278162500,0sleep00-21swapper/023:35:440
48452490,1sleep1241ktimersoftd/121:59:491
248572480,0sleep3391rcuc/322:23:303
104032480,1sleep2699-21gdbus21:10:062
70312470,0sleep3401ktimersoftd/300:29:463
13692470,1sleep31372-21bash22:49:093
282232460,0sleep10-21swapper/123:46:551
27942460,0sleep20-21swapper/222:38:112
2430724326,6sleep10-21swapper/119:08:261
108832400,2sleep32455299cyclictest22:08:323
207902370,0sleep20-21swapper/222:25:532
245952360,2sleep02453599cyclictest21:45:020
240702308,7sleep20-21swapper/219:05:312
243012287,7sleep00-21swapper/019:08:210
309192200,0sleep10-21swapper/123:22:071
235012180,1sleep2674-21dbus-daemon21:50:192
205412180,2sleep02453599cyclictest21:50:100
9922170,1sleep1674-21dbus-daemon22:54:401
61532170,0sleep3391rcuc/322:35:393
301082170,0sleep30-21swapper/322:29:303
199882170,0sleep20-21swapper/222:17:312
150712170,0sleep20-21swapper/222:30:532
274382160,0sleep00-21swapper/022:45:450
24540991615,0cyclictest4892-21kworker/1:120:34:141
327492150,1sleep30-21swapper/323:19:333
24546991513,1cyclictest649-21polkitd22:51:152
2453599156,1cyclictest9-21ksoftirqd/022:24:110
65332140,0sleep00-21swapper/021:13:250
56112140,0sleep20-21swapper/221:24:452
24540991414,0cyclictest3141-21kworker/1:020:59:441
24540991414,0cyclictest22437-21kworker/1:219:16:131
24540991414,0cyclictest22437-21kworker/1:219:10:521
217282140,0sleep20-21swapper/223:29:442
24546991311,1cyclictest22599-21kworker/u8:022:14:052
2454099138,1cyclictest25-21ksoftirqd/123:03:011
2454099134,1cyclictest25-21ksoftirqd/123:31:271
2454099133,2cyclictest25-21ksoftirqd/123:16:231
2454099133,1cyclictest25-21ksoftirqd/122:56:481
2454099133,1cyclictest25-21ksoftirqd/122:41:501
24540991313,0cyclictest770-21kworker/1:319:34:571
24540991313,0cyclictest7185-21kworker/1:121:08:441
24540991313,0cyclictest4892-21kworker/1:120:16:241
24540991313,0cyclictest4892-21kworker/1:119:47:061
24540991313,0cyclictest4892-21kworker/1:119:47:051
24540991313,0cyclictest29096-21kworker/1:019:26:181
24540991313,0cyclictest241ktimersoftd/120:05:421
2454099130,1cyclictest2031-21lspci22:35:191
2454099130,12cyclictest9767-21tty00:32:491
2453599134,2cyclictest9-21ksoftirqd/021:15:200
2453599134,1cyclictest9-21ksoftirqd/022:05:100
2453599134,1cyclictest9-21ksoftirqd/000:06:450
2453599132,1cyclictest9-21ksoftirqd/023:25:080
2453599131,1cyclictest9-21ksoftirqd/022:15:110
2453599130,2cyclictest674-21dbus-daemon23:17:460
211462130,1sleep121150-21bash00:08:291
153262130,2sleep32455299cyclictest00:30:223
270642120,0sleep30-21swapper/323:10:403
270642120,0sleep30-21swapper/323:10:403
24552991212,0cyclictest527-40kipmi020:40:493
24552991211,0cyclictest0-21swapper/321:45:183
24552991210,1cyclictest21564-21rm23:07:273
24552991210,1cyclictest0-21swapper/300:00:593
2455299120,1cyclictest11574-21/usr/sbin/munin21:25:183
2455299120,11cyclictest7882-21rm22:57:583
2454699120,1cyclictest0-21swapper/223:12:052
2454699120,1cyclictest0-21swapper/223:12:052
2454699120,11cyclictest26791-21sshd00:31:252
2454099124,1cyclictest25-21ksoftirqd/122:14:001
2454099124,1cyclictest25-21ksoftirqd/122:02:001
2454099123,3cyclictest649-21polkitd21:10:051
2454099123,3cyclictest25-21ksoftirqd/123:51:391
2454099122,1cyclictest25-21ksoftirqd/121:49:021
24540991212,0cyclictest770-21kworker/1:319:35:081
24540991212,0cyclictest770-21kworker/1:319:35:071
24540991212,0cyclictest4892-21kworker/1:119:50:241
24540991212,0cyclictest29096-21kworker/1:019:24:441
24540991212,0cyclictest27345-21kworker/1:220:54:511
24540991212,0cyclictest27345-21kworker/1:220:44:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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