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2026-03-17 - 16:19
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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 Mar 17, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750680,0irq/25-eth00-21swapper/307:05:223
120650580,0irq/26-eth1-rx-0-21swapper/107:07:141
112750450,0irq/25-eth00-21swapper/207:06:002
677024320,0sleep00-21swapper/007:05:000
916599195,0cyclictest5400-21munin-node12:15:170
9165991916,0cyclictest11111-21bash10:32:360
916799180,0cyclictest10309-21id11:54:312
9165991715,0cyclictest16265-21sshd09:33:130
916599165,0cyclictest9945-21runrttasks09:28:080
916599165,0cyclictest9945-21runrttasks09:28:070
916599165,0cyclictest23083-21sshd11:30:150
916599165,0cyclictest18615-21sshd10:37:570
916599164,0cyclictest8970-21sshd11:11:060
9168991512,0cyclictest0-21swapper/310:21:223
9168991511,0cyclictest0-21swapper/310:55:313
916699150,0cyclictest0-21swapper/111:00:171
916599155,0cyclictest894-21bash09:44:050
916599155,0cyclictest32010-21bash11:01:130
916599155,0cyclictest28270-21sshd11:18:060
916599155,0cyclictest22506-21sshd11:47:270
916599155,0cyclictest21244-21sshd12:13:110
916599154,0cyclictest31583-21cp09:35:130
916599154,0cyclictest0-21swapper/012:20:090
916599154,0cyclictest0-21swapper/011:52:150
916599153,0cyclictest0-21swapper/010:47:360
916899147,0cyclictest25087-21sshd09:42:573
9168991413,0cyclictest0-21swapper/310:03:083
9168991411,0cyclictest0-21swapper/312:12:473
916899140,0cyclictest0-21swapper/310:52:303
9167991413,0cyclictest1059-21diskmemload10:51:562
9167991412,0cyclictest0-21swapper/211:36:462
9166991413,0cyclictest0-21swapper/111:23:221
9166991411,0cyclictest0-21swapper/111:36:371
916699140,0cyclictest0-21swapper/112:38:261
916599145,0cyclictest31005-21cp12:01:280
916599145,0cyclictest2433-21sshd10:40:100
916599145,0cyclictest18079-21aten_r7power_fr10:55:120
916599145,0cyclictest13183-21sshd12:29:280
916599145,0cyclictest1059-21diskmemload09:15:470
916599145,0cyclictest1059-21diskmemload09:15:460
916599144,0cyclictest8051-21sshd09:53:340
916599144,0cyclictest26349-21sshd12:35:210
916599144,0cyclictest15296-21cp10:11:350
916599144,0cyclictest14676-21tune2fs09:20:130
916599144,0cyclictest14676-21tune2fs09:20:130
916599144,0cyclictest1059-21diskmemload11:57:330
9165991412,0cyclictest0-21swapper/011:38:490
916599140,0cyclictest4854-21sshd10:18:540
112750140,0irq/25-eth00-21swapper/109:42:401
916899138,0cyclictest3598-21bash10:44:393
916899138,0cyclictest20370-21sshd10:46:463
916899138,0cyclictest1232-21bash11:35:573
9168991312,0cyclictest0-21swapper/309:56:303
9168991311,0cyclictest0-21swapper/309:12:363
916899131,0cyclictest0-21swapper/307:20:163
9168991310,0cyclictest22276-21bash11:00:033
9168991310,0cyclictest0-21swapper/311:17:213
9168991310,0cyclictest0-21swapper/311:14:063
9168991310,0cyclictest0-21swapper/310:26:223
916899130,0cyclictest0-21swapper/308:49:083
9167991312,0cyclictest1059-21diskmemload12:28:552
9167991312,0cyclictest0-21swapper/212:35:062
916799130,0cyclictest112750irq/25-eth010:56:262
9166991311,0cyclictest0-21swapper/109:57:171
916699130,0cyclictest0-21swapper/110:23:541
916699130,0cyclictest0-21swapper/108:55:131
916599136,0cyclictest20465-21head12:30:180
916599135,0cyclictest27122-21sshd10:26:010
916599135,0cyclictest26082-21grep12:05:120
916599134,0cyclictest24910-21sshd10:00:040
916599134,0cyclictest2268-21sshd09:48:300
916599134,0cyclictest21944-21sshd10:51:170
916599134,0cyclictest20403-21id10:20:480
916599134,0cyclictest15396-21sshd09:58:470
916599134,0cyclictest1059-21diskmemload11:40:470
916599133,0cyclictest3645-21sshd11:23:270
916599133,0cyclictest0-21swapper/011:25:150
916599133,0cyclictest0-21swapper/011:06:240
9165991312,0cyclictest0-21swapper/009:12:400
9165991311,0cyclictest0-21swapper/010:08:330
351130,0ktimersoftd/30-21swapper/311:48:513
916899129,0cyclictest1059-21diskmemload10:12:113
916899128,0cyclictest29526-21sshd09:22:093
916899128,0cyclictest29526-21sshd09:22:083
916899127,0cyclictest26792-21fw_conntrack12:05:143
916899127,0cyclictest26139-21sshd10:17:213
916899127,0cyclictest23676-21sshd09:17:073
916899127,0cyclictest23676-21sshd09:17:063
916899126,0cyclictest25357-21id11:26:143
9168991211,0cyclictest25582-21sshd11:43:373
9168991211,0cyclictest13705-21sshd11:20:213
9168991211,0cyclictest0-21swapper/312:38:133
916899120,0cyclictest10239-21ipmitool07:10:163
916899120,0cyclictest0-21swapper/311:30:193
916899120,0cyclictest0-21swapper/309:39:333
916899120,0cyclictest0-21swapper/308:06:153
9167991212,0cyclictest0-21swapper/209:37:082
9167991211,0cyclictest0-21swapper/212:11:242
9167991211,0cyclictest0-21swapper/211:15:162
9167991211,0cyclictest0-21swapper/210:32:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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