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2026-05-04 - 09:42
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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 Mon May 04, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750600,0irq/25-eth00-21swapper/319:05:593
112750590,0irq/25-eth00-21swapper/119:05:161
120650560,0irq/26-eth1-rx-0-21swapper/219:05:242
120650450,0irq/26-eth1-rx-0-21swapper/019:05:130
351180,0ktimersoftd/321917-21sshd00:27:123
3211991615,0cyclictest27536-21diskmemload22:38:293
3210991615,0cyclictest112750irq/25-eth021:55:152
321099161,0cyclictest0-21swapper/222:05:222
320899160,0cyclictest112750irq/25-eth021:40:220
321199150,0cyclictest19008-21rt-features00:35:213
320899150,0cyclictest3616-21sshd21:15:160
3211991413,0cyclictest0-21swapper/323:12:383
3208991413,0cyclictest0-21swapper/000:08:200
41130,0ktimersoftd/00-21swapper/022:20:530
351130,0ktimersoftd/30-21swapper/321:51:543
3211991312,0cyclictest0-21swapper/323:20:393
3211991312,0cyclictest0-21swapper/321:26:283
3210991312,0cyclictest0-21swapper/223:29:282
3210991312,0cyclictest0-21swapper/221:05:182
321099130,0cyclictest0-21swapper/223:00:172
3209991312,0cyclictest0-21swapper/123:45:481
3209991311,0cyclictest8174-21sshd23:07:491
320999130,0cyclictest0-21swapper/123:00:221
3208991312,0cyclictest24890-21sshd23:05:360
320899130,0cyclictest10246-21awk20:30:170
112750130,0irq/25-eth06710-21sshd21:24:181
112750130,0irq/25-eth00-21swapper/021:35:130
3211991212,0cyclictest0-21swapper/322:18:023
3211991211,0cyclictest0-21swapper/300:15:353
3211991210,0cyclictest0-21swapper/323:28:403
3211991210,0cyclictest0-21swapper/322:31:103
321199120,0cyclictest1599-21bash00:33:083
321199120,0cyclictest0-21swapper/322:47:323
321199120,0cyclictest0-21swapper/322:25:213
321199120,0cyclictest0-21swapper/321:45:173
321199120,0cyclictest0-21swapper/321:23:263
3210991212,0cyclictest0-21swapper/200:22:472
3210991211,0cyclictest12608-21sshd22:20:552
3210991211,0cyclictest0-21swapper/223:50:092
3210991211,0cyclictest0-21swapper/222:04:332
3210991211,0cyclictest0-21swapper/200:26:312
3210991210,0cyclictest0-21swapper/222:41:372
3210991210,0cyclictest0-21swapper/222:31:162
3210991210,0cyclictest0-21swapper/221:45:582
321099120,0cyclictest0-21swapper/223:59:472
321099120,0cyclictest0-21swapper/223:46:402
321099120,0cyclictest0-21swapper/221:30:212
321099120,0cyclictest0-21swapper/200:03:452
3209991211,0cyclictest0-21swapper/123:19:051
3209991211,0cyclictest0-21swapper/122:27:511
3209991211,0cyclictest0-21swapper/100:33:461
3209991210,0cyclictest2864-21sshd00:24:441
3209991210,0cyclictest0-21swapper/121:30:271
320999120,0cyclictest7994-21sshd22:07:241
320999120,0cyclictest0-21swapper/122:22:021
320999120,0cyclictest0-21swapper/100:14:151
320999120,0cyclictest0-21swapper/100:08:341
3208991211,0cyclictest0-21swapper/021:55:410
3208991211,0cyclictest0-21swapper/000:27:090
3208991210,0cyclictest27536-21diskmemload22:31:410
3208991210,0cyclictest0-21swapper/000:19:440
320899120,0cyclictest27536-21diskmemload00:31:340
320899120,0cyclictest0-21swapper/023:43:490
320899120,0cyclictest0-21swapper/023:36:370
320899120,0cyclictest0-21swapper/023:23:370
112750120,0irq/25-eth027375-21sshd23:31:521
112750120,0irq/25-eth018659-21sshd22:47:370
112750120,0irq/25-eth00-21swapper/023:47:500
41110,0ktimersoftd/00-21swapper/021:20:110
3211991111,0cyclictest0-21swapper/321:58:383
3211991111,0cyclictest0-21swapper/300:23:023
3211991111,0cyclictest0-21swapper/300:04:133
3211991110,0cyclictest31583-21sshd21:44:483
3211991110,0cyclictest0-21swapper/323:36:413
3211991110,0cyclictest0-21swapper/322:50:343
3211991110,0cyclictest0-21swapper/300:11:533
321199110,0cyclictest0-21swapper/323:01:223
321199110,0cyclictest0-21swapper/322:55:183
3210991110,0cyclictest0-21swapper/222:29:462
3210991110,0cyclictest0-21swapper/221:22:512
3210991110,0cyclictest0-21swapper/220:46:372
321099110,0cyclictest15378-21bash00:13:232
321099110,0cyclictest0-21swapper/223:37:442
321099110,0cyclictest0-21swapper/223:32:432
321099110,0cyclictest0-21swapper/220:50:052
321099110,0cyclictest0-21swapper/220:10:362
3209991111,0cyclictest0-21swapper/123:42:191
3209991111,0cyclictest0-21swapper/119:50:121
3209991110,0cyclictest12112-21sshd22:38:111
3209991110,0cyclictest0-21swapper/122:47:151
3209991110,0cyclictest0-21swapper/121:59:361
320999110,0cyclictest0-21swapper/121:45:481
320999110,0cyclictest0-21swapper/121:06:521
320999110,0cyclictest0-21swapper/120:22:021
320999110,0cyclictest0-21swapper/119:32:471
320999110,0cyclictest0-21swapper/119:29:181
3208991111,0cyclictest0-21swapper/022:12:300
3208991110,0cyclictest0-21swapper/023:34:530
3208991110,0cyclictest0-21swapper/000:14:020
320899110,0cyclictest0-21swapper/021:32:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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