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2026-08-22 - 22:12
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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 rack7slot0.osadl.org (updated Sat Aug 22, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750610,0irq/25-eth00-21swapper/107:05:011
120650590,0irq/26-eth1-rx-0-21swapper/307:07:493
112750450,0irq/25-eth00-21swapper/207:05:522
112750440,0irq/25-eth00-21swapper/007:05:110
127499190,0cyclictest0-21swapper/307:15:143
1271991816,0cyclictest25628-21idleruntime-cro09:09:590
1273991615,0cyclictest0-21swapper/210:59:082
127399160,0cyclictest0-21swapper/210:20:152
1274991514,0cyclictest15191-21sshd09:23:333
1273991512,0cyclictest0-21swapper/212:12:532
1272991514,0cyclictest0-21swapper/109:32:421
1274991413,0cyclictest0-21swapper/309:45:383
1274991412,0cyclictest0-21swapper/311:26:343
1274991411,0cyclictest0-21swapper/310:10:283
127499140,0cyclictest9950irq/24-0000:00:11:21:493
1273991413,0cyclictest3139-21sshd11:58:442
1273991413,0cyclictest0-21swapper/210:03:082
1273991413,0cyclictest0-21swapper/209:54:122
1273991413,0cyclictest0-21swapper/209:54:122
1273991411,0cyclictest0-21swapper/209:10:102
127299140,0cyclictest4113-21sshd10:55:181
127299140,0cyclictest12946-21sshd10:45:121
127299140,0cyclictest0-21swapper/112:03:301
127299140,0cyclictest0-21swapper/110:42:041
127199140,0cyclictest2429-21sshd10:10:190
127199140,0cyclictest1046-21sshd11:43:320
1274991312,0cyclictest0-21swapper/310:15:293
1274991311,0cyclictest22260-21sshd11:04:583
127499130,0cyclictest0-21swapper/312:24:473
127499130,0cyclictest0-21swapper/312:15:133
1273991312,0cyclictest0-21swapper/210:15:132
1273991312,0cyclictest0-21swapper/209:25:092
127399130,0cyclictest0-21swapper/211:35:572
127399130,0cyclictest0-21swapper/211:28:522
127399130,0cyclictest0-21swapper/207:19:422
1272991313,0cyclictest0-21swapper/109:14:501
1272991312,0cyclictest0-21swapper/111:47:361
1272991312,0cyclictest0-21swapper/111:11:341
1272991312,0cyclictest0-21swapper/110:10:001
1272991312,0cyclictest0-21swapper/110:09:591
1272991312,0cyclictest0-21swapper/109:22:511
127299130,0cyclictest8641-21sshd10:11:031
127299130,0cyclictest12041-21sshd09:52:561
127299130,0cyclictest12041-21sshd09:52:561
1271991312,0cyclictest19249-21sshd10:08:380
1271991312,0cyclictest19249-21sshd10:08:380
1271991312,0cyclictest0-21swapper/009:22:170
1271991310,0cyclictest22762-21sshd12:19:400
127199130,0cyclictest25612-21diskmemload09:16:360
127199130,0cyclictest0-21swapper/010:52:470
127199130,0cyclictest0-21swapper/010:23:510
127199130,0cyclictest0-21swapper/009:26:420
112750130,0irq/25-eth031658-21sshd12:16:511
112750130,0irq/25-eth025612-21diskmemload11:55:200
41120,0ktimersoftd/026213-21sshd10:35:210
351120,0ktimersoftd/30-21swapper/311:58:043
351120,0ktimersoftd/30-21swapper/310:21:173
351120,0ktimersoftd/30-21swapper/309:15:183
191120,0ktimersoftd/10-21swapper/110:28:141
1274991212,0cyclictest0-21swapper/310:04:273
1274991212,0cyclictest0-21swapper/308:30:213
1274991211,0cyclictest2236-21munin-node10:55:133
1274991211,0cyclictest0-21swapper/311:47:363
1274991211,0cyclictest0-21swapper/311:11:493
1274991210,0cyclictest0-21swapper/312:10:223
1274991210,0cyclictest0-21swapper/310:35:563
127499120,0cyclictest20857-21sshd12:26:523
127499120,0cyclictest1941-21sshd11:43:403
1273991211,0cyclictest21946-21sshd11:15:592
1273991211,0cyclictest13530-21sshd09:19:412
1273991211,0cyclictest0-21swapper/211:52:412
1273991211,0cyclictest0-21swapper/209:44:052
1273991211,0cyclictest0-21swapper/208:36:422
127399120,0cyclictest0-21swapper/210:09:112
127399120,0cyclictest0-21swapper/210:09:112
1272991212,0cyclictest25612-21diskmemload10:03:581
1272991211,0cyclictest26887-21cp11:16:341
1272991211,0cyclictest0-21swapper/111:37:351
1272991211,0cyclictest0-21swapper/111:22:361
1272991211,0cyclictest0-21swapper/110:38:351
1272991211,0cyclictest0-21swapper/109:58:581
1272991211,0cyclictest0-21swapper/109:37:081
1272991210,0cyclictest0-21swapper/111:56:251
1272991210,0cyclictest0-21swapper/111:30:311
127299120,0cyclictest23718-21sshd10:53:551
127299120,0cyclictest11294-21bash11:03:401
127299120,0cyclictest0-21swapper/112:32:181
127299120,0cyclictest0-21swapper/110:24:111
1271991211,0cyclictest3987-21sshd11:06:300
1271991211,0cyclictest1539-21sshd09:30:190
1271991211,0cyclictest0-21swapper/012:38:300
1271991211,0cyclictest0-21swapper/010:01:330
127199121,0cyclictest0-21swapper/009:49:200
127199120,0cyclictest8312-21bash10:59:380
127199120,0cyclictest1480-21nfsd09:51:200
127199120,0cyclictest1480-21nfsd09:51:200
127199120,0cyclictest0-21swapper/011:51:190
127199120,0cyclictest0-21swapper/011:37:300
127199120,0cyclictest0-21swapper/009:35:110
112750120,0irq/25-eth00-21swapper/309:56:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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