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2026-06-15 - 13:11
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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 rack1slot3.osadl.org (updated Mon Jun 15, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
206372991311,1cyclictest0-21swapper/319:55:123
20637299130,12cyclictest0-21swapper/323:25:123
20637299130,11cyclictest0-21swapper/323:35:123
206372991211,0cyclictest0-21swapper/323:00:113
206372991211,0cyclictest0-21swapper/300:05:133
20637299120,11cyclictest0-21swapper/321:14:563
20637299120,11cyclictest0-21swapper/321:00:193
20637299119,1cyclictest0-21swapper/319:50:123
206372991110,1cyclictest0-21swapper/319:20:113
206372991110,0cyclictest0-21swapper/321:45:153
206372991110,0cyclictest0-21swapper/321:35:013
20637299110,11cyclictest0-21swapper/320:45:013
20637299110,10cyclictest0-21swapper/321:15:193
20637299110,10cyclictest0-21swapper/320:20:183
20637299110,0cyclictest0-21swapper/322:35:113
20637299110,0cyclictest0-21swapper/321:55:173
20637299110,0cyclictest0-21swapper/320:55:133
20637299110,0cyclictest0-21swapper/319:25:093
20637299110,0cyclictest0-21swapper/300:15:003
20637299109,0cyclictest0-21swapper/300:00:173
20637299108,1cyclictest0-21swapper/322:55:123
206372991010,0cyclictest0-21swapper/322:30:133
206372991010,0cyclictest0-21swapper/321:50:183
206372991010,0cyclictest0-21swapper/300:35:133
206372991010,0cyclictest0-21swapper/300:30:203
20637299100,9cyclictest0-21swapper/323:40:193
20637299100,0cyclictest0-21swapper/319:10:163
2063729999,0cyclictest0-21swapper/323:50:133
2063729999,0cyclictest0-21swapper/323:15:193
2063729999,0cyclictest0-21swapper/322:54:353
2063729999,0cyclictest0-21swapper/321:40:183
2063729999,0cyclictest0-21swapper/320:30:193
2063729998,1cyclictest0-21swapper/320:50:113
2063729998,0cyclictest0-21swapper/323:35:013
2063729998,0cyclictest0-21swapper/322:25:113
2063729998,0cyclictest0-21swapper/322:10:133
2063729998,0cyclictest0-21swapper/319:45:123
2063729998,0cyclictest0-21swapper/319:30:133
2063729998,0cyclictest0-21swapper/300:25:133
2063729990,0cyclictest0-21swapper/322:20:183
205244291,5sleep30-21swapper/319:05:163
2063729988,0cyclictest0-21swapper/321:05:173
2063729988,0cyclictest0-21swapper/320:45:173
2063729988,0cyclictest0-21swapper/320:30:003
2063729988,0cyclictest0-21swapper/320:15:183
2063729988,0cyclictest0-21swapper/320:05:203
2063729977,0cyclictest0-21swapper/323:10:153
2063729977,0cyclictest0-21swapper/322:01:353
2063729977,0cyclictest0-21swapper/321:25:133
2063729977,0cyclictest0-21swapper/320:35:153
2063729977,0cyclictest0-21swapper/300:20:233
2063729976,0cyclictest0-21swapper/322:45:173
2063729970,0cyclictest0-21swapper/322:40:183
2063729966,0cyclictest0-21swapper/323:20:203
2063729966,0cyclictest0-21swapper/322:05:133
2063729966,0cyclictest0-21swapper/321:20:123
2063729966,0cyclictest0-21swapper/319:35:163
2063729966,0cyclictest0-21swapper/300:17:283
2063729965,0cyclictest0-21swapper/323:05:133
2063729960,5cyclictest0-21swapper/320:00:113
205428260,0sleep10-21swapper/119:05:191
325882251,2sleep1325908-21apt-get00:00:131
2063729955,0cyclictest0-21swapper/323:45:123
2063729954,0cyclictest0-21swapper/319:40:203
2063729952,2cyclictest280998-21turbostat22:19:563
212742240,2sleep2212768-21apt-get19:25:092
2063729944,0cyclictest0-21swapper/320:10:183
2063729941,1cyclictest0-21swapper/323:55:133
2063729940,3cyclictest0-21swapper/319:15:123
2063729940,2cyclictest0-21swapper/321:35:133
206154242,1sleep20-21swapper/219:09:042
331836230,2sleep1331840-21ssh00:14:421
310573230,2sleep1310574-21sshd23:23:341
277066230,1sleep0277092-21apt-get22:05:130
262196230,1sleep1262222-21apt-get21:30:121
232174230,1sleep2232192-21munin-run20:15:002
205338231,1sleep00-21swapper/019:05:180
340926220,1sleep0341172-21diskstats00:35:150
338657220,0sleep1338684-21apt-get00:30:111
328737220,1sleep2328870-21awk00:05:192
326682220,1sleep0326854-21python300:00:200
319076220,0sleep00-21swapper/023:42:350
316739220,0sleep00-21swapper/023:35:300
306063220,0sleep00-21swapper/023:10:370
297711221,1sleep0281053-21kworker/0:0+events22:52:560
294222220,1sleep2294464-21df_inode22:45:142
291627220,0sleep00-21swapper/022:39:350
284649220,0sleep2191rcu_preempt22:20:282
283765220,1sleep1283820-21if_eno122:20:151
283487220,1sleep00-21swapper/022:20:140
273498220,1sleep00-21swapper/021:55:170
260927220,1sleep0260997-21grep21:25:190
255131220,1sleep2255381-21users21:10:202
251669220,0sleep00-21swapper/021:01:410
239320220,1sleep2239474-21ntp_states20:30:172
235751220,1sleep00-21swapper/020:21:350
234356220,1sleep1234357-21munin-node20:20:121
234026220,0sleep00-21swapper/020:19:140
229243220,0sleep00-21swapper/020:05:220
222610220,1sleep00-21swapper/019:50:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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