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2025-12-07 - 21:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4.osadl.org (updated Sun Dec 07, 2025 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1492022880,1sleep110085-21kworker/u8:607:05:231
1451722660,2sleep20-21swapper/207:05:212
1585622630,2sleep331-21ksoftirqd/307:10:013
1588798112104,4cyclictest19144-21kworker/u8:512:17:072
15884988374,5cyclictest19150-21kworker/u8:1012:17:071
226152780,2chrt0-21swapper/307:25:383
15887986862,4cyclictest19312-21kworker/u8:607:22:102
15887986762,3cyclictest9745-21kworker/u8:112:01:562
15884986557,5cyclictest32427-21kworker/u8:509:22:121
15884986557,5cyclictest32427-21kworker/u8:509:22:121
284442490,3sleep30-21swapper/312:30:563
77682470,2chrt27773-1kworker/u9:111:49:412
15884984632,12cyclictest19352-21kworker/u8:4707:22:111
15882984533,9cyclictest10-21ksoftirqd/012:17:070
206562440,3sleep120449-21ssh10:00:241
158182430,2chrt15817-21irqstats12:05:241
15889984134,4cyclictest19143-21kworker/u8:412:17:073
15884983932,4cyclictest9748-21kworker/u8:512:01:571
172392380,9sleep30-21swapper/312:09:403
46242360,2sleep30-21swapper/310:35:193
170512360,2sleep117050-21sh09:53:201
9382330,3chrt0-21swapper/110:26:161
268012330,8sleep3311ksoftirqd/311:20:393
42592320,3sleep24256-21ntpq09:25:442
42592320,3sleep24256-21ntpq09:25:432
38632320,7sleep2251ksoftirqd/208:04:172
204942320,2sleep20-21swapper/211:07:302
1588798321,3cyclictest121rcu_preempt11:35:142
137042320,8sleep119-21ksoftirqd/108:30:151
55242310,7sleep2251ksoftirqd/208:06:592
299002310,2sleep10-21swapper/107:45:261
300302300,7sleep1191ksoftirqd/109:11:471
300302300,7sleep1191ksoftirqd/109:11:461
191692300,2sleep30-21swapper/309:56:573
168872300,15sleep2121rcu_preempt07:10:312
1588798303,3cyclictest121rcu_preempt08:50:182
15887983020,7cyclictest25-21ksoftirqd/210:25:202
1588498302,4cyclictest121rcu_preempt09:05:131
118742300,2sleep311873-21df_inode08:25:233
9292290,2sleep10-21swapper/111:35:121
37802290,5sleep331-21ksoftirqd/308:03:143
327602290,3sleep327767-21kworker/u8:811:33:163
295822290,2sleep327770-21kworker/u8:1311:25:463
244722290,10sleep1121rcu_preempt12:24:541
1588798292,5cyclictest0-21swapper/208:20:312
1588798292,12cyclictest25-21ksoftirqd/209:30:372
1588498291,4cyclictest0-21swapper/110:05:361
15882982918,8cyclictest10-21ksoftirqd/009:22:130
15882982918,8cyclictest10-21ksoftirqd/009:22:120
87452280,2sleep20-21swapper/208:15:362
35852280,5sleep1191ksoftirqd/108:00:541
309892280,2sleep221587-21kworker/u8:210:21:142
290772280,2sleep10-21swapper/112:34:231
261892280,2sleep30-21swapper/310:11:053
241652280,2sleep10-21swapper/107:30:301
188002280,5sleep331-21ksoftirqd/308:42:323
183832280,2sleep10-21swapper/111:04:001
1588798283,3cyclictest121rcu_preempt07:50:172
15887982820,4cyclictest25-21ksoftirqd/210:55:162
1588798281,7cyclictest16508-21uname08:35:572
1588798281,3cyclictest121rcu_preempt10:15:262
1588498286,5cyclictest19-21ksoftirqd/111:55:191
1588498281,8cyclictest28526-21sed11:25:021
1588298283,19cyclictest29869-21kworker/0:111:45:250
15882982821,4cyclictest10-21ksoftirqd/011:20:290
128612280,2sleep20-21swapper/209:45:132
128612280,2sleep20-21swapper/209:45:132
127152280,1sleep110962-21kworker/u8:210:50:451
110122280,2sleep36140-21kworker/u8:710:47:243
110122280,2sleep36140-21kworker/u8:710:47:243
318622270,1sleep128620-21kworker/u8:2007:50:371
318222270,2sleep10-21swapper/109:15:361
305812270,2sleep30-21swapper/309:14:453
305812270,2sleep30-21swapper/309:14:453
303212270,2sleep20-21swapper/211:27:502
268282270,1sleep126229-21kworker/u8:710:14:411
243352270,5sleep2251ksoftirqd/208:57:312
230452270,1sleep20-21swapper/207:26:412
22842270,2sleep30-21swapper/309:20:543
22842270,2sleep30-21swapper/309:20:533
161252270,2sleep312131-21kworker/u8:1709:50:333
1588998274,5cyclictest31-21ksoftirqd/308:20:323
1588798272,3cyclictest121rcu_preempt12:30:352
1588798272,3cyclictest121rcu_preempt09:21:112
1588798272,3cyclictest121rcu_preempt09:21:112
1588798271,5cyclictest4305-21ntp_states11:40:392
152172270,1sleep29750-21kworker/u8:1112:05:132
147292270,2sleep10-21swapper/109:48:461
147292270,2sleep10-21swapper/109:48:461
5442260,2sleep10-21swapper/111:34:361
38642260,5sleep3311ksoftirqd/310:33:413
313182260,2sleep30-21swapper/310:22:553
305582260,5sleep2251ksoftirqd/207:47:572
278072260,13sleep220511-21kworker/u8:1411:22:062
263062260,2sleep20-21swapper/209:03:422
261282260,2sleep20-21swapper/212:26:082
250932260,4sleep331-21ksoftirqd/307:34:143
217832260,14sleep216765-21kworker/u8:410:03:002
207182260,14sleep220544-21kworker/u8:508:48:262
19362260,2sleep10-21swapper/107:58:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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