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2026-05-08 - 08:39
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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 rack5slot0.osadl.org (updated Fri May 08, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1869521170,2sleep10-21swapper/100:16:451
442421110,2sleep32024-21nfsd22:19:303
2653629925,43sleep10-21swapper/119:06:521
311712890,5sleep32024-21nfsd21:11:253
305422890,0sleep00-21swapper/021:49:530
218162870,2sleep20-21swapper/223:39:392
180972870,2sleep20-21swapper/200:31:132
230672860,2sleep00-21swapper/022:14:380
12612860,1sleep20-21swapper/221:35:252
302742840,1sleep030260-21sshd22:43:070
302742840,1sleep030260-21sshd22:43:070
182352840,4sleep00-21swapper/020:00:150
173302820,1sleep20-21swapper/223:50:092
2674928134,43sleep30-21swapper/319:09:223
235562800,2sleep32023-21nfsd23:43:173
313582790,2sleep32705299cyclictest23:15:563
123072790,1sleep012301-21sshd23:57:280
149012780,2sleep214900-21sshd21:30:122
115332770,2sleep20-21swapper/223:06:162
260442760,1sleep03-21ksoftirqd/021:14:220
229112760,2sleep30-21swapper/321:34:263
148942760,1sleep10-21swapper/122:31:021
12732750,2sleep31272-21sshd00:22:293
126162750,0sleep00-21swapper/021:55:390
270182720,1sleep227016-21sshd22:11:312
67182680,1sleep06721-21sshd23:05:430
2668426727,11sleep20-21swapper/219:08:342
208142660,3sleep32705299cyclictest21:48:393
186362660,1sleep22704899cyclictest23:14:432
278772640,1sleep20-21swapper/222:15:082
266142600,3sleep32705299cyclictest00:32:153
2658124732,11sleep00-21swapper/019:07:150
122832350,33sleep1144650irq/27-eth000:12:331
96492310,29sleep1144650irq/27-eth023:49:211
258732300,1sleep00-21swapper/022:49:560
246092300,2sleep10-21swapper/123:00:431
93142290,1sleep20-21swapper/200:04:402
101922290,3sleep02703999cyclictest00:26:540
223462280,26sleep3144650irq/27-eth023:25:473
325632270,3sleep30-21swapper/322:43:223
325632270,3sleep30-21swapper/322:43:223
257492270,2sleep30-21swapper/322:49:553
325242260,2sleep30-21swapper/323:23:093
259102260,24sleep1144650irq/27-eth023:29:451
194412260,2sleep32023-21nfsd21:59:583
59132250,2sleep30-21swapper/322:30:113
266532250,23sleep2144650irq/27-eth000:28:452
212752250,0sleep121271-21sshd00:10:001
4512240,5sleep30-21swapper/322:26:023
266392230,21sleep3144650irq/27-eth022:00:363
250172230,0sleep041ktimersoftd/023:00:460
152012230,2sleep30-21swapper/321:36:573
99512220,2sleep39949-21sshd22:51:443
319702220,20sleep3144650irq/27-eth000:14:433
303812220,2sleep130379-21bash21:42:291
2703999220,1cyclictest0-21swapper/021:02:470
2704899211,12cyclictest2024-21nfsd22:44:182
2704899211,12cyclictest2024-21nfsd22:44:172
280242200,2sleep20-21swapper/223:04:412
2703999202,1cyclictest12699-21cpuspeed_turbos23:35:120
215092200,18sleep3144650irq/27-eth023:32:403
81202190,0sleep00-21swapper/000:23:140
296352190,0sleep00-21swapper/023:51:270
2705299190,17cyclictest144650irq/27-eth023:12:043
244052190,17sleep3144650irq/27-eth000:28:313
225962190,17sleep1144650irq/27-eth022:56:321
6872180,16sleep3144650irq/27-eth021:21:533
2704899182,4cyclictest2024-21nfsd22:21:302
2703999180,1cyclictest29117-21sshd00:06:470
86612170,15sleep2144650irq/27-eth023:31:152
64402170,2sleep26423-21sshd21:25:462
27052991711,4cyclictest3201-21sshd22:05:323
2705299170,15cyclictest0-21swapper/323:00:143
2704899173,9cyclictest2066-21nscd00:35:172
2704899173,6cyclictest28154-21sshd23:19:102
27048991712,3cyclictest28365-21sshd22:32:322
2704399172,14cyclictest31010-21sshd21:38:571
2704399170,15cyclictest0-21swapper/122:26:571
2703999178,8cyclictest0-21swapper/021:15:150
2703999170,9cyclictest0-21swapper/021:31:260
2703999170,2cyclictest2840-21sshd22:22:410
2703999170,13cyclictest0-21swapper/022:31:490
232722170,2sleep20-21swapper/222:38:552
183272170,1sleep30-21swapper/322:20:493
63412160,2sleep16340-21bash00:30:031
2705299163,1cyclictest1408-21sshd23:37:253
2705299160,4cyclictest12655-21sshd21:51:343
2705299160,11cyclictest144650irq/27-eth023:09:173
2704899163,6cyclictest24504-21iostat_ios21:45:162
27048991613,2cyclictest0-21swapper/222:59:152
27048991612,3cyclictest24640-21bash21:56:592
27048991612,3cyclictest144650irq/27-eth000:11:222
2704899160,4cyclictest19243-21sshd21:10:122
2704399169,3cyclictest18172-21sshd21:10:101
2704399168,4cyclictest2169-21sshd21:50:181
2704399160,5cyclictest25829-21munin-node00:25:201
2704399160,3cyclictest0-21swapper/122:24:301
2704399160,15cyclictest0-21swapper/121:48:531
2704399160,14cyclictest0-21swapper/122:05:121
2704399160,14cyclictest0-21swapper/100:39:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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