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2025-11-25 - 06:32
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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 Tue Nov 25, 2025 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
380921580,3sleep01078199cyclictest23:03:160
175121440,3sleep21078399cyclictest22:50:322
2873121350,3sleep01078199cyclictest23:45:250
183621060,2sleep10-21swapper/123:45:581
1118221050,2sleep10-21swapper/121:29:021
193842980,0sleep00-21swapper/021:11:410
1051429533,58sleep10-21swapper/119:09:511
247202930,1sleep00-21swapper/022:52:490
105402910,2sleep310538-21sshd22:23:303
1047229132,41sleep30-21swapper/319:09:223
130572900,2sleep313056-21bash21:53:213
273932880,2sleep327390-21bash23:17:463
95622870,3sleep20-21swapper/223:59:162
131792870,2sleep113178-21bash23:28:411
22802860,4sleep31078499cyclictest22:01:223
295702850,2sleep10-21swapper/100:34:071
146942850,1sleep014688-21sshd22:14:460
124982850,2sleep30-21swapper/300:02:393
18672840,2sleep31866-21bash21:16:063
36122830,2sleep20-21swapper/223:43:062
41772800,5sleep31078499cyclictest00:08:123
179352790,2sleep117934-21bash21:47:421
216172780,1sleep20-21swapper/222:03:142
115082780,2sleep10-21swapper/100:28:341
180702770,2sleep11847-21nfsd23:38:161
124222770,2sleep21847-21nfsd22:17:332
307232760,1sleep330724-21sshd21:27:473
28102760,1sleep21078399cyclictest00:08:032
260802750,1sleep20-21swapper/221:33:232
24112750,1sleep20-21swapper/221:40:132
206192750,2sleep20-21swapper/221:14:562
147382750,2sleep114726-21sshd00:15:401
119142750,1sleep30-21swapper/322:39:053
1040627533,12sleep20-21swapper/219:08:282
220772740,1sleep322073-21sshd21:20:553
184732740,1sleep30-21swapper/322:58:303
225182730,2sleep222517-21bash21:39:042
53722720,3sleep11078299cyclictest00:11:311
236072720,2sleep20-21swapper/200:36:572
199822720,1sleep10-21swapper/122:03:051
182442720,0sleep00-21swapper/022:09:010
143762720,1sleep00-21swapper/000:32:260
269362710,1sleep226922-21sshd23:39:082
273082680,1sleep027288-21sshd23:39:110
37172600,1sleep10-21swapper/123:21:371
1031526034,14sleep00-21swapper/019:07:260
313142550,1sleep031305-21cp00:10:500
28222490,0sleep00-21swapper/000:21:040
53062400,0sleep00-21swapper/021:49:360
256182400,38sleep126950irq/26-ahci[00021:18:211
183232390,1sleep31847-21nfsd23:29:123
244462380,2sleep210780-21cyclictest00:03:502
1078199386,5cyclictest28679-21sshd22:31:230
1078199383,13cyclictest30823-21sshd23:58:110
1078199380,13cyclictest1848-21nfsd22:47:140
1078199370,3cyclictest0-21swapper/022:27:300
1078199370,10cyclictest0-21swapper/023:09:530
322522360,5sleep00-21swapper/023:24:240
1078199365,9cyclictest24663-21sshd22:18:430
1078199360,6cyclictest0-21swapper/022:58:280
69732350,1sleep26972-21sshd23:09:472
310792330,7sleep20-21swapper/223:45:392
148762330,30sleep1135650irq/27-eth022:58:091
1078199331,11cyclictest0-21swapper/023:34:510
1078199320,6cyclictest1959-21sshd21:43:390
1078199311,7cyclictest19971-21sshd22:39:530
1078199310,3cyclictest22612-21sshd23:41:460
1078199310,11cyclictest0-21swapper/021:55:210
191462300,22sleep3135650irq/27-eth022:52:163
1078199303,20cyclictest4050-21sshd22:01:320
94162290,2sleep10-21swapper/123:34:271
76422290,2sleep17641-21bash22:48:011
230902290,3sleep30-21swapper/300:29:513
242612280,3sleep20-21swapper/223:51:162
10784992812,6cyclictest0-21swapper/322:05:143
309502270,2sleep20-21swapper/223:21:052
160932270,24sleep1135650irq/27-eth021:32:281
1078399271,9cyclictest0-21swapper/223:10:452
1078199279,4cyclictest27504-21rm21:54:450
1078199270,25cyclictest16282-21sshd21:17:270
53702260,2sleep01078199cyclictest00:27:570
116282260,24sleep3135650irq/27-eth021:59:193
1078499260,17cyclictest44-21ksoftirqd/323:00:513
1078399267,2cyclictest0-21swapper/221:54:442
1078199250,11cyclictest0-21swapper/023:10:440
39512240,4sleep31078499cyclictest22:10:373
10784992415,5cyclictest29346-21sshd23:14:573
1078399247,1cyclictest0-21swapper/222:05:002
10783992416,6cyclictest9971-21sshd22:26:252
1078199249,14cyclictest22196-21sshd23:51:030
1078199241,6cyclictest0-21swapper/021:21:310
1078199241,22cyclictest0-21swapper/000:05:400
1078199240,8cyclictest6934-21sshd23:18:550
1078199240,23cyclictest6352-21sshd21:34:360
172402230,20sleep3135650irq/27-eth000:12:463
136162230,20sleep1135650irq/27-eth023:13:281
10784992315,4cyclictest5700-21id23:55:413
10784992310,7cyclictest135650irq/27-eth022:26:133
10784992310,5cyclictest3251-21sshd22:47:353
1078499230,22cyclictest5368-21sshd00:38:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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