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2026-05-19 - 10:52
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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 Tue May 19, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750650,0irq/25-eth00-21swapper/119:05:171
120650590,0irq/26-eth1-rx-0-21swapper/319:05:563
112750560,0irq/25-eth00-21swapper/219:06:382
112750380,0irq/25-eth00-21swapper/019:08:480
81180,0rcu_preempt112750irq/25-eth021:21:121
3185599160,0cyclictest0-21swapper/019:25:160
31858991413,0cyclictest0-21swapper/322:56:253
31858991413,0cyclictest0-21swapper/319:35:213
191140,0ktimersoftd/10-21swapper/100:05:121
31858991312,0cyclictest24099-21df_inode20:00:113
31858991312,0cyclictest0-21swapper/323:33:143
31858991312,0cyclictest0-21swapper/323:03:163
31858991312,0cyclictest0-21swapper/321:45:203
31858991311,0cyclictest0-21swapper/321:20:213
3185899130,0cyclictest0-21swapper/322:23:323
3185899130,0cyclictest0-21swapper/321:30:103
31857991312,0cyclictest23765-21diskmemload00:36:432
31857991312,0cyclictest15829-21bash22:22:202
31857991312,0cyclictest0-21swapper/200:00:362
3185799130,0cyclictest26054-21sshd23:57:502
3185799130,0cyclictest0-21swapper/222:07:272
3185799130,0cyclictest0-21swapper/222:07:272
3185799130,0cyclictest0-21swapper/219:45:162
31856991312,0cyclictest8507-21bash23:40:141
31856991312,0cyclictest0-21swapper/121:43:151
3185699130,0cyclictest0-21swapper/123:19:401
31855991312,0cyclictest23765-21diskmemload21:16:440
31855991312,0cyclictest0-21swapper/021:28:560
31855991312,0cyclictest0-21swapper/021:20:120
3185599130,0cyclictest0-21swapper/023:52:300
3185599130,0cyclictest0-21swapper/021:39:090
1599130,0watchdog/027752-21sshd00:08:010
112750130,0irq/25-eth016152-21sshd21:47:580
41120,0ktimersoftd/00-21swapper/023:18:560
31858991212,0cyclictest0-21swapper/323:40:063
31858991211,0cyclictest12169-21sshd21:37:333
31858991211,0cyclictest0-21swapper/323:11:243
31858991211,0cyclictest0-21swapper/322:35:103
31858991211,0cyclictest0-21swapper/300:39:343
31858991210,0cyclictest29167-21sshd22:29:213
31858991210,0cyclictest0-21swapper/321:18:363
31858991210,0cyclictest0-21swapper/300:25:103
31858991210,0cyclictest0-21swapper/300:12:163
3185899120,0cyclictest23765-21diskmemload21:50:053
3185899120,0cyclictest0-21swapper/323:59:373
3185899120,0cyclictest0-21swapper/322:04:093
3185899120,0cyclictest0-21swapper/319:25:103
31857991211,0cyclictest23238-21sshd23:07:522
31857991211,0cyclictest0-21swapper/221:42:432
31857991211,0cyclictest0-21swapper/200:23:372
31857991210,0cyclictest0-21swapper/223:17:302
3185799120,0cyclictest0-21swapper/223:03:482
3185799120,0cyclictest0-21swapper/221:13:032
3185799120,0cyclictest0-21swapper/200:30:552
31856991211,0cyclictest1580-21bash00:04:031
31856991211,0cyclictest0-21swapper/123:10:021
31856991211,0cyclictest0-21swapper/122:56:191
31856991211,0cyclictest0-21swapper/122:26:141
31856991211,0cyclictest0-21swapper/122:03:491
31856991211,0cyclictest0-21swapper/100:31:211
31856991211,0cyclictest0-21swapper/100:19:441
31856991210,0cyclictest30357-21sshd23:48:361
3185699120,0cyclictest0-21swapper/123:51:231
3185699120,0cyclictest0-21swapper/122:52:151
3185699120,0cyclictest0-21swapper/122:07:041
3185699120,0cyclictest0-21swapper/122:07:041
3185699120,0cyclictest0-21swapper/121:48:001
31855991212,0cyclictest810-40kipmi022:15:170
31855991211,0cyclictest19388-21sshd00:16:330
31855991210,0cyclictest0-21swapper/023:37:040
31855991210,0cyclictest0-21swapper/021:50:110
3185599120,0cyclictest0-21swapper/023:55:180
3185599120,0cyclictest0-21swapper/023:42:380
3185599120,0cyclictest0-21swapper/023:20:340
3185599120,0cyclictest0-21swapper/022:54:260
3185599120,0cyclictest0-21swapper/022:22:360
112750120,0irq/25-eth023765-21diskmemload21:50:162
112750120,0irq/25-eth00-21swapper/122:47:161
112750120,0irq/25-eth00-21swapper/122:22:591
41110,0ktimersoftd/00-21swapper/022:34:040
31858991111,0cyclictest0-21swapper/322:17:443
31858991111,0cyclictest0-21swapper/300:02:243
31858991110,0cyclictest0-21swapper/323:27:403
31858991110,0cyclictest0-21swapper/323:07:203
31858991110,0cyclictest0-21swapper/322:48:173
31858991110,0cyclictest0-21swapper/322:43:593
31858991110,0cyclictest0-21swapper/322:43:593
3185899110,0cyclictest29207-21sshd21:10:373
3185799119,0cyclictest0-21swapper/219:57:552
3185799115,0cyclictest0-21swapper/200:27:132
31857991111,0cyclictest10602-21sshd22:16:312
31857991111,0cyclictest0-21swapper/223:50:432
31857991111,0cyclictest0-21swapper/223:27:092
31857991111,0cyclictest0-21swapper/223:14:432
31857991110,0cyclictest3492-21sshd23:39:342
31857991110,0cyclictest0-21swapper/221:49:552
31857991110,0cyclictest0-21swapper/221:37:222
31857991110,0cyclictest0-21swapper/220:54:362
3185799110,0cyclictest23765-21diskmemload22:12:132
3185799110,0cyclictest23765-21diskmemload22:12:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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