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2025-12-11 - 06:23
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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 Thu Dec 11, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1369821630,4sleep1955999cyclictest21:59:531
2818121610,4sleep1955999cyclictest23:39:171
1802821590,1sleep018025-21sshd21:51:020
3059621460,2sleep1955999cyclictest21:19:001
1797021450,2sleep317964-21sshd21:35:543
2206021290,25sleep326950irq/26-ahci[00021:57:343
8956210833,46sleep10-21swapper/119:05:271
236842980,0sleep3431ktimersoftd/322:49:293
274312970,5sleep10-21swapper/123:45:181
152312970,0sleep015223-21sshd22:36:270
25592960,4sleep3957199cyclictest22:44:283
174322950,0sleep041ktimersoftd/021:35:510
129412940,2sleep20-21swapper/200:38:342
923429324,39sleep30-21swapper/319:08:403
159902930,2sleep20-21swapper/223:19:502
24622910,3sleep10-21swapper/123:42:581
192682910,4sleep3957199cyclictest21:33:053
99962900,4sleep3957199cyclictest21:26:033
169432900,2sleep316935-21sshd21:45:003
13862880,1sleep10-21swapper/122:01:411
93082870,2sleep29304-21sshd22:39:012
7572860,0sleep041ktimersoftd/021:19:160
303342840,3sleep10-21swapper/100:10:321
246812830,2sleep324684-21bash23:20:303
301272820,2sleep130125-21sshd21:12:511
34692800,4sleep2956399cyclictest23:24:472
302552800,3sleep1955999cyclictest23:33:241
211372800,1sleep221138-21id21:27:112
176182790,2sleep20-21swapper/200:32:252
139132790,1sleep113916-21bash23:07:151
217152780,1sleep021710-21bash22:30:540
217152780,1sleep021710-21bash22:30:530
227612770,1sleep30-21swapper/321:15:143
43212760,1sleep30-21swapper/300:20:523
63922740,2sleep30-21swapper/323:28:053
322612740,2sleep232250-21sshd22:41:062
225872740,2sleep10-21swapper/100:03:341
146072730,3sleep214595-21sshd23:59:422
213662720,1sleep20-21swapper/200:03:272
121222720,0sleep00-21swapper/023:13:190
152902700,2sleep20-21swapper/222:12:082
929726933,23sleep20-21swapper/219:09:252
100172680,3sleep2956399cyclictest23:49:562
253882630,2sleep11848-21nfsd23:17:371
272442620,3sleep2956399cyclictest21:39:542
166622620,1sleep10-21swapper/122:36:371
9082600,0sleep0907-21sshd21:58:400
193422600,2sleep219244-21sshd23:32:212
807825226,14sleep00-21swapper/019:05:170
169312520,1sleep02405-21runrttasks00:12:230
108062520,1sleep00-21swapper/021:26:080
313372480,9sleep03-21ksoftirqd/023:42:360
278112471,43sleep2135650irq/27-eth023:51:342
144302430,5sleep114429-21sshd23:59:411
13482430,1sleep00-21swapper/021:40:240
122262380,5sleep20-21swapper/223:25:262
36022370,0sleep03603-21sshd00:30:550
9571993425,6cyclictest1847-21nfsd23:13:573
9571993416,15cyclictest0-21swapper/323:31:253
9571993411,3cyclictest135650irq/27-eth022:29:593
9554993415,18cyclictest3-21ksoftirqd/000:02:120
9571993325,6cyclictest12519-21sshd23:43:573
9571993324,7cyclictest15499-21sshd00:35:263
9571993322,7cyclictest15803-21bash22:06:043
325142320,2sleep232513-21sshd22:16:442
9571993123,5cyclictest20503-21sshd23:35:253
9571993123,4cyclictest26218-21bash23:02:143
9571993121,7cyclictest5880-21sshd00:34:363
9571993121,7cyclictest14140-21sshd22:21:053
9571993119,9cyclictest0-21swapper/322:32:343
9571993119,9cyclictest0-21swapper/322:32:333
9571993119,7cyclictest1847-21nfsd22:56:053
9571993114,15cyclictest0-21swapper/321:51:433
9554993110,13cyclictest3-21ksoftirqd/023:02:120
9571993021,5cyclictest1915-21snmpd23:19:443
9571993020,5cyclictest24977-21munin-node23:45:213
955499301,25cyclictest14429-21kworker/0:322:04:070
955499301,17cyclictest0-21swapper/021:33:250
955499300,21cyclictest0-21swapper/022:28:240
214912301,24sleep2135650irq/27-eth022:24:562
9571992925,2cyclictest1848-21nfsd22:00:433
9571992923,4cyclictest9898-21sshd22:35:553
9571992922,5cyclictest27149-21sshd00:00:493
9571992921,5cyclictest1845-21nfsd00:10:013
9571992920,6cyclictest23865-21bash23:08:133
9571992920,5cyclictest3410-21sshd22:10:593
9571992914,6cyclictest135650irq/27-eth022:51:233
9571992820,6cyclictest21087-21sshd00:15:583
9571992820,6cyclictest21087-21sshd00:15:583
9571992820,5cyclictest19751-21sshd00:25:583
9571992820,4cyclictest15216-21sshd00:05:553
9571992818,7cyclictest20681-21bash21:48:193
9559992825,2cyclictest1848-21nfsd23:27:301
9554992812,14cyclictest3-21ksoftirqd/000:07:460
300372280,3sleep11959-21sshd21:40:081
265322280,2sleep126529-21bash00:33:201
251222280,26sleep2135650irq/27-eth000:06:572
9571992719,5cyclictest16409-21sshd22:18:203
9571992719,5cyclictest0-21swapper/323:58:163
9571992716,7cyclictest9990-21sshd23:53:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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