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2026-09-23 - 05:54
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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 Wed Sep 23, 2026 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2948821320,3sleep11312699cyclictest22:24:331
369121310,1sleep03687-21sshd23:15:380
1031221300,2sleep30-21swapper/300:24:063
688921280,1sleep00-21swapper/021:21:430
508721280,1sleep05079-21sshd00:03:030
2434721240,0sleep324348-21sshd21:57:423
736121110,3sleep31313599cyclictest00:09:113
12571210832,48sleep10-21swapper/119:06:101
689021050,0sleep041ktimersoftd/023:30:490
324862980,2sleep01312299cyclictest21:01:160
1283529432,41sleep30-21swapper/319:09:343
276352930,0sleep00-21swapper/021:46:330
58312890,2sleep15830-21sshd22:04:571
101272890,2sleep110123-21sshd22:49:131
264622870,1sleep026457-21bash00:19:430
7812850,0sleep00-21swapper/021:29:570
9472840,2sleep2943-21sshd23:30:202
209642840,2sleep320962-21sshd00:27:553
75912830,1sleep10-21swapper/123:57:231
248732830,1sleep224861-21sshd22:03:382
23162830,2sleep12308-21sshd00:26:141
163362830,2sleep10-21swapper/121:37:001
304872820,0sleep20-21swapper/222:21:302
22702810,2sleep30-21swapper/322:18:583
199682810,1sleep319961-21sshd21:20:063
166932810,2sleep216690-21sshd21:54:132
144412810,2sleep10-21swapper/100:33:141
288192800,6sleep00-21swapper/021:12:130
195172800,2sleep119480-21sshd00:39:401
129262800,2sleep112923-21sshd23:37:281
306442790,2sleep20-21swapper/221:15:162
306442790,2sleep20-21swapper/221:15:162
258882790,1sleep32512-21runrttasks21:43:363
247582790,1sleep024752-21sshd22:47:370
207022790,2sleep10-21swapper/123:26:091
190572790,0sleep00-21swapper/023:01:560
64132770,2sleep10-21swapper/122:31:181
218212770,2sleep321822-21bash21:31:443
194292760,1sleep30-21swapper/322:00:113
191352760,2sleep22024-21nfsd00:21:582
167762750,2sleep30-21swapper/323:28:493
120832750,3sleep21313299cyclictest21:39:342
110552740,2sleep10-21swapper/123:22:161
121552730,1sleep20-21swapper/200:38:572
92652690,2sleep19260-21sshd00:24:001
297702680,2sleep329769-21sshd23:50:323
279042680,1sleep11312699cyclictest22:39:161
110232680,1sleep20-21swapper/222:34:522
66412670,3sleep01312299cyclictest21:33:190
16842660,3sleep11312699cyclictest23:33:191
225172640,2sleep122514-21sshd23:52:511
256752620,1sleep30-21swapper/300:31:173
1262625834,12sleep20-21swapper/219:06:522
66492480,0sleep06642-21cp21:36:060
1280224833,11sleep00-21swapper/019:09:070
9762440,0sleep1978-21id21:29:591
304102440,41sleep3144650irq/27-eth021:46:493
247972440,42sleep3144650irq/27-eth023:35:343
13122994312,27cyclictest15402-21missed_timers00:30:180
13122994011,25cyclictest9902-21munin-node23:10:250
13122994011,25cyclictest9902-21munin-node23:10:250
13122993913,13cyclictest24083-21sshd23:52:590
13122993812,18cyclictest0-21swapper/021:42:540
1312299378,16cyclictest0-21swapper/022:52:160
73032340,4sleep21313299cyclictest23:13:042
73032340,4sleep21313299cyclictest23:13:042
13122993411,16cyclictest28362-21bash21:52:200
167292330,4sleep10-21swapper/100:18:471
1312299338,20cyclictest16943-21bash00:36:240
13122993316,12cyclictest1638-21sshd22:36:520
100422321,29sleep3144650irq/27-eth021:50:413
1312299317,15cyclictest0-21swapper/000:29:560
213912300,28sleep3144650irq/27-eth023:20:153
13135993021,6cyclictest4703-21bash22:31:093
1312299309,18cyclictest19560-21sshd22:26:340
1312299309,13cyclictest6468-21sshd23:39:480
105592300,0sleep041ktimersoftd/000:09:280
1312299297,6cyclictest29984-21sshd23:24:060
13122992917,9cyclictest26124-21id23:26:410
13122992910,11cyclictest5359-21sshd22:19:180
323032280,3sleep20-21swapper/223:09:232
323032280,3sleep20-21swapper/223:09:232
1312299289,16cyclictest0-21swapper/023:07:130
1312299289,16cyclictest0-21swapper/023:07:130
1312299283,22cyclictest23252-21rm22:23:550
1312299278,12cyclictest16098-21sshd22:14:240
1312299276,18cyclictest21240-21sshd00:22:090
1312299272,6cyclictest0-21swapper/021:55:430
13122992720,6cyclictest0-21swapper/022:01:200
13122992720,5cyclictest24614-21sshd22:09:280
13122992713,10cyclictest7711-21sshd00:12:030
260482260,1sleep30-21swapper/323:41:313
173372261,23sleep1144650irq/27-eth022:52:561
145342260,24sleep328950irq/26-ahci[00023:58:033
13135992612,11cyclictest17938-21sshd22:26:253
13122992616,8cyclictest11350-21sshd22:31:460
219872250,3sleep21313299cyclictest00:07:342
1313299251,22cyclictest18042-21sshd23:58:212
1312299256,10cyclictest0-21swapper/022:58:000
13122992518,5cyclictest31801-21sshd23:59:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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