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2026-08-28 - 06:58
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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 rack3slot0.osadl.org (updated Fri Aug 28, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232242700,2sleep5214499cyclictest21:55:085
303332620,2sleep1212599cyclictest23:57:431
242332540,0sleep40-21swapper/422:18:304
99525226,9sleep40-21swapper/419:00:354
123742520,0sleep40-21swapper/421:24:004
11952520,1sleep21193-21grepconf.sh22:20:442
192782510,0sleep60-21swapper/622:05:346
322032490,1sleep432204-21grep21:12:304
208812490,0sleep50-21swapper/522:21:515
181024926,8sleep30-21swapper/319:03:063
15702480,0sleep60-21swapper/621:26:586
256692470,2sleep3213599cyclictest00:33:333
145012470,0sleep60-21swapper/621:22:176
12022470,0sleep20-21swapper/222:02:502
308122460,1sleep330709-21sshd21:44:493
308122460,1sleep330709-21sshd21:44:493
68442450,0sleep30-21swapper/300:08:583
57512450,0sleep40-21swapper/421:30:484
273842450,0sleep70-21swapper/700:24:327
273842450,0sleep70-21swapper/700:24:327
196732450,1sleep019653-21bash00:27:450
71482440,1sleep67076-21sshd23:34:496
31792430,1sleep63176-21grepconf.sh22:04:466
274562430,0sleep40-21swapper/423:14:204
193462430,1sleep619339-21bash21:13:366
172324328,11sleep70-21swapper/719:01:587
167124325,4sleep60-21swapper/619:01:176
150142430,1sleep415013-21grepconf.sh00:31:014
91812420,2sleep1212599cyclictest21:23:491
32482420,0sleep73245-21systemd-cgroups22:11:527
284652420,1sleep528444-21bash21:10:315
192502420,0sleep60-21swapper/622:52:126
186724229,9sleep20-21swapper/219:03:372
87112410,0sleep20-21swapper/222:51:362
74192410,0sleep30-21swapper/321:16:303
294672410,1sleep341-21ksoftirqd/323:14:273
156142410,0sleep00-21swapper/022:14:250
88242400,0sleep20-21swapper/223:06:012
85112400,0sleep10-21swapper/123:06:001
49772400,0sleep20-21swapper/223:40:052
103962400,0sleep20-21swapper/200:21:382
103962400,0sleep20-21swapper/200:21:382
50332390,0sleep30-21swapper/322:46:003
253112390,0sleep10-21swapper/100:22:331
253112390,0sleep10-21swapper/100:22:331
188623926,9sleep00-21swapper/019:03:510
184823927,8sleep50-21swapper/519:03:245
112222380,0sleep60-21swapper/623:54:516
100223825,9sleep10-21swapper/119:00:401
114392360,2sleep5214499cyclictest22:50:035
155302350,2sleep5214499cyclictest22:01:495
133852350,0sleep10-21swapper/123:04:321
295662320,0sleep20-21swapper/223:03:372
106252320,0sleep40-21swapper/400:12:434
305652290,0sleep00-21swapper/021:06:420
255262210,0sleep30-21swapper/300:17:073
212799203,2cyclictest13342-21bash00:34:422
213899179,5cyclictest49-21ksoftirqd/423:03:094
212799170,2cyclictest20951-21grep23:31:552
312232160,0sleep5721-21dbus-daemon21:50:125
279582160,0sleep70-21swapper/722:49:097
261002160,0sleep40-21swapper/422:00:364
251442160,0sleep00-21swapper/023:55:330
220392160,0sleep10-21swapper/122:21:551
2147991614,1cyclictest65-21ksoftirqd/621:18:256
2138991615,1cyclictest49-21ksoftirqd/422:36:264
2138991615,1cyclictest49-21ksoftirqd/422:36:264
2138991612,3cyclictest49-21ksoftirqd/421:27:374
212799160,15cyclictest694-21nscd00:02:582
2118991610,2cyclictest721-21dbus-daemon00:07:460
82972150,1sleep60-21swapper/623:38:256
2155991512,2cyclictest73-21ksoftirqd/723:55:307
213882150,0sleep0111rcuc/021:15:310
2138991514,1cyclictest49-21ksoftirqd/423:50:474
2138991514,1cyclictest49-21ksoftirqd/423:30:304
2138991513,1cyclictest49-21ksoftirqd/423:45:094
2138991513,1cyclictest49-21ksoftirqd/422:05:374
2138991513,1cyclictest49-21ksoftirqd/400:18:224
2127991513,1cyclictest859-21gdbus21:34:072
212799150,10cyclictest20769-21sshd21:49:362
212799150,1cyclictest0-21swapper/221:16:392
2118991513,1cyclictest9-21ksoftirqd/023:22:540
155872150,1sleep773-21ksoftirqd/722:25:147
63522140,2sleep1212599cyclictest22:30:041
290732140,0sleep70-21swapper/723:30:337
280032140,1sleep127998-21sshd21:37:261
26652140,0sleep10-21swapper/121:09:071
2155991413,1cyclictest73-21ksoftirqd/722:26:367
2155991412,1cyclictest709-21systemd-logind23:11:037
2147991412,1cyclictest65-21ksoftirqd/623:08:516
2147991411,2cyclictest65-21ksoftirqd/623:25:036
2138991412,2cyclictest49-21ksoftirqd/423:20:394
2138991412,1cyclictest49-21ksoftirqd/422:56:404
2138991412,1cyclictest49-21ksoftirqd/422:54:134
2138991412,1cyclictest49-21ksoftirqd/422:49:194
2138991412,1cyclictest49-21ksoftirqd/421:58:394
2138991412,1cyclictest49-21ksoftirqd/421:52:004
2138991412,1cyclictest49-21ksoftirqd/400:28:114
2138991410,1cyclictest49-21ksoftirqd/423:05:334
2135991412,1cyclictest8013-21sshd23:05:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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