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2025-11-05 - 16:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack7slot8.osadl.org (updated Wed Nov 05, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22091219117,27sleep00-21swapper/007:07:420
820521085,12sleep08207-21fw_forwarded_lo08:20:260
1543721087,12sleep014377-21apt-get10:51:300
1739321065,11sleep017427-21hostname11:00:160
304721007,12sleep03049-21vmstat12:10:550
34882995,12sleep03491-21diskstats10:05:280
322062996,12sleep032242-21awk09:50:320
196022966,80sleep019636-21wc09:05:470
9782956,75sleep0979-21fw_forwarded_lo09:55:280
22434999448,11cyclictest101ktimersoftd/008:05:350
22434999336,42cyclictest101ktimersoftd/009:15:550
868229210,68sleep0101ktimersoftd/010:25:440
248132920,7sleep024815-21latency_hist11:30:040
22434999243,33cyclictest101ktimersoftd/012:17:050
189532924,7sleep00-21swapper/009:04:120
5912915,11sleep00-21swapper/007:50:470
22434999149,26cyclictest101ktimersoftd/009:32:120
22434999146,29cyclictest3650irq/20-4900000009:22:160
22434999132,44cyclictest0-21swapper/007:55:240
22434999131,11cyclictest7161-21ntp_offset08:16:170
22434999029,26cyclictest0-21swapper/012:07:230
22434998859,13cyclictest101ktimersoftd/007:17:060
22434998758,12cyclictest101ktimersoftd/009:42:130
22434998744,28cyclictest3650irq/20-4900000010:20:160
22434998650,25cyclictest101ktimersoftd/011:30:280
22434998639,33cyclictest10250irq/56-4a10000010:13:290
22434998630,18cyclictest10646-21awk08:30:210
282492855,70sleep028276-21ps09:35:480
22434998547,26cyclictest101ktimersoftd/008:41:320
22434998541,30cyclictest8213-21seq12:32:130
22434998530,20cyclictest264622chrt07:25:170
22434998521,16cyclictest3716-21latency_hist08:05:030
22434998452,15cyclictest10150irq/55-4a10000011:55:360
22434998447,24cyclictest101ktimersoftd/008:25:260
22434998442,16cyclictest10792-21aten_r7power_en10:35:130
2243499837,19cyclictest27892-21seq07:30:360
22434998357,11cyclictest101ktimersoftd/010:32:010
22434998245,26cyclictest0-21swapper/012:00:240
22434998230,34cyclictest5034-21wget12:20:170
22434998214,20cyclictest1356-21snmpd10:01:550
22434998151,19cyclictest16737-21/usr/sbin/munin10:55:510
22434998133,32cyclictest10250irq/56-4a10000007:38:450
22434998133,31cyclictest14338-21runrttasks10:49:440
2243499808,19cyclictest1356-21snmpd07:48:240
22434998057,10cyclictest101ktimersoftd/007:41:160
2243499798,15cyclictest16990-21memory08:55:350
2243499797,36cyclictest8667-21/usr/sbin/munin12:35:250
2243499797,19cyclictest1356-21snmpd11:07:090
22434997951,19cyclictest27536-21/usr/sbin/munin11:40:160
22434997948,14cyclictest10150irq/55-4a10000011:35:410
22434997925,17cyclictest813-21in:imuxsock09:26:440
2243499788,36cyclictest1356-21snmpd10:16:580
22434997831,31cyclictest101ktimersoftd/011:20:250
22434997759,11cyclictest101ktimersoftd/010:40:450
22434997747,14cyclictest10150irq/55-4a10000008:50:190
22434997745,14cyclictest10150irq/55-4a10000011:17:070
22434997718,27cyclictest30130-21if_eth011:50:340
22434997656,12cyclictest101ktimersoftd/011:45:260
22434997648,12cyclictest10150irq/55-4a10000008:35:180
22434997647,12cyclictest10150irq/55-4a10000008:45:270
22434997646,13cyclictest10150irq/55-4a10000007:20:340
22434997547,19cyclictest23587-21runrttasks07:14:390
22434997546,18cyclictest6489-21/usr/sbin/munin12:25:340
22434997546,14cyclictest10150irq/55-4a10000009:10:280
22434997537,31cyclictest31024-21if_err_eth009:46:010
22434997447,17cyclictest5066-21sshd08:10:070
22434997342,15cyclictest10150irq/55-4a10000011:10:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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