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2026-04-16 - 13:34
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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 Apr 16, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2297421450,0sleep222963-21sshd23:02:472
284121280,1sleep32185299cyclictest00:27:323
838621240,2sleep12185099cyclictest22:25:121
233921140,2sleep30-21swapper/323:50:533
2152629133,47sleep10-21swapper/119:09:201
296892840,7sleep20-21swapper/222:52:492
2142528433,47sleep30-21swapper/319:08:053
51012830,2sleep25096-21sshd21:26:302
320922820,3sleep20-21swapper/221:19:052
238232820,2sleep223820-21bash22:27:092
87102790,2sleep30-21swapper/322:47:053
302292790,2sleep20-21swapper/200:02:152
8812780,0sleep00-21swapper/022:16:210
138202780,2sleep30-21swapper/323:41:163
102662770,2sleep110262-21bash22:58:021
306242760,3sleep32185299cyclictest00:23:353
218812750,2sleep20-21swapper/223:46:042
151752750,2sleep115165-21sshd00:14:481
193232740,2sleep20-21swapper/223:31:292
2129527332,12sleep20-21swapper/219:06:242
251902700,4sleep22185199cyclictest21:11:192
204942700,3sleep32185299cyclictest22:26:423
92392680,1sleep20-21swapper/223:37:222
218292670,3sleep22185199cyclictest23:13:222
184982670,3sleep32185299cyclictest22:07:583
151602640,2sleep215153-21sshd00:36:092
81672630,4sleep22185199cyclictest23:15:182
218972630,0sleep00-21swapper/022:41:330
168392630,4sleep12185099cyclictest21:38:511
7772420,3sleep00-21swapper/000:12:580
2122924033,4sleep00-21swapper/019:05:340
187512320,2sleep10-21swapper/123:45:431
175712310,3sleep20-21swapper/222:55:182
170742300,2sleep20-21swapper/222:48:012
194072290,3sleep30-21swapper/323:35:033
17182290,2sleep12512-21runrttasks23:40:061
180172280,2sleep118015-21sshd23:12:561
171352280,2sleep317061-21sshd22:30:193
123492280,1sleep00-21swapper/023:45:090
28142270,4sleep00-21swapper/000:09:460
231172270,25sleep228950irq/26-ahci[00023:42:242
139922270,24sleep2144650irq/27-eth022:44:182
183312250,23sleep2144650irq/27-eth022:07:582
60052240,1sleep10-21swapper/100:20:491
314232240,1sleep20-21swapper/200:34:322
125872230,3sleep30-21swapper/300:03:523
112692230,21sleep228950irq/26-ahci[00023:23:092
35542220,1sleep010-21rcuc/000:27:370
306682220,20sleep2144650irq/27-eth021:51:282
285722220,2sleep328570-21bash23:46:493
2185199222,17cyclictest0-21swapper/221:49:342
202152220,20sleep228950irq/26-ahci[00021:57:522
106122220,1sleep00-21swapper/019:55:140
2185199214,13cyclictest31270-21sshd22:31:502
2185199211,2cyclictest0-21swapper/222:23:112
156482210,2sleep30-21swapper/323:20:073
80152200,2sleep38016-21fschecks_count19:50:113
21850992013,6cyclictest3473-21sshd22:43:061
4482190,2sleep30-21swapper/323:14:353
31972190,1sleep00-21swapper/021:29:480
2185199193,11cyclictest28950irq/26-ahci[00022:35:112
2185199191,2cyclictest0-21swapper/200:22:262
2185199190,7cyclictest0-21swapper/222:10:222
191992190,2sleep10-21swapper/121:42:441
235542180,0sleep30-21swapper/322:55:563
2185199182,15cyclictest153250irq/28-eth1-rx-21:20:102
2184999182,2cyclictest0-21swapper/023:03:050
2184999180,1cyclictest9667-21sshd00:39:080
178892180,16sleep2144650irq/27-eth000:07:532
169792181,15sleep2144650irq/27-eth023:27:162
158272180,0sleep015820-21bash21:24:190
138522180,1sleep20-21swapper/223:52:172
2185299178,8cyclictest16865-21sshd21:20:553
2185199174,11cyclictest28509-21cp00:16:192
2185199172,1cyclictest29478-21sshd21:32:302
2185199172,14cyclictest14849-21sshd22:00:382
2185199170,16cyclictest144650irq/27-eth021:39:342
2185199170,16cyclictest144650irq/27-eth020:11:562
2184999178,4cyclictest0-21swapper/023:59:210
21849991713,1cyclictest0-21swapper/021:10:350
2184999170,16cyclictest0-21swapper/023:20:280
2184999170,15cyclictest0-21swapper/021:35:180
295552160,2sleep00-21swapper/023:36:000
21852991612,3cyclictest2024-21nfsd00:34:383
2185299161,14cyclictest0-21swapper/322:19:363
2185199166,9cyclictest144650irq/27-eth023:06:062
2185199163,3cyclictest144650irq/27-eth019:10:202
2185199163,0cyclictest6658-21seq00:10:102
2185199160,8cyclictest15343-21pmu-power00:25:212
21850991612,3cyclictest18091-21sshd23:02:151
21850991611,4cyclictest10155-21sshd22:10:251
2185099161,13cyclictest0-21swapper/121:48:401
2185099160,3cyclictest9276-21sshd23:15:231
2185099160,3cyclictest18862-21bash23:09:271
2185099160,15cyclictest0-21swapper/100:00:511
2184999168,4cyclictest0-21swapper/022:45:190
2184999164,6cyclictest0-21swapper/022:05:170
2184999160,15cyclictest0-21swapper/019:35:140
2184999160,11cyclictest8142-21sshd23:11:500
2185299158,6cyclictest144650irq/27-eth022:38:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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