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2025-11-02 - 23:23
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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 Sun Nov 02, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27960214080,10sleep027958-21if_eth007:05:310
288579914771,37cyclictest1356-21snmpd11:56:330
288579914674,36cyclictest22662-21chrt08:50:430
288579914674,35cyclictest30168-21sshd09:20:400
288579914671,36cyclictest1356-21snmpd07:35:100
288579914572,54cyclictest458-21cp07:25:130
288579914570,35cyclictest861-21users11:40:500
288579914472,35cyclictest1356-21snmpd08:45:380
288579914468,37cyclictest26824-21ntp_states11:15:430
288579914278,22cyclictest11040-21ntp_states12:20:390
288579914268,55cyclictest1356-21snmpd07:46:350
288579914259,25cyclictest6787-21apt-get07:52:090
288579914176,46cyclictest25299-21grep11:10:160
288579914172,34cyclictest23894-21ntp_states08:55:410
288579914168,20cyclictest3163-21ntp_states11:50:440
288579914088,38cyclictest12221-21apt-get10:17:120
288579914078,22cyclictest5456-21df_inode09:50:350
288579914072,48cyclictest15549-21runrttasks12:37:100
288579914067,34cyclictest22813-21wget11:00:160
288579914065,38cyclictest12680-21ntp_states08:10:420
288579913976,42cyclictest16248-21entropy08:25:250
288579913969,48cyclictest8817-21chrt12:11:200
288579913876,39cyclictest27545-21seq09:10:310
288579913871,34cyclictest14369-21ntp_states10:25:460
288579913866,34cyclictest9659-21latency_hist08:00:030
288579913865,55cyclictest1145-21wget09:35:150
288579913776,41cyclictest815-21rs:main0
288579913775,20cyclictest1356-21snmpd12:15:170
288579913771,23cyclictest3830-21fw_forwarded_lo09:45:280
288579913768,34cyclictest12295-21ntp_states12:25:420
288579913764,37cyclictest1356-21snmpd10:56:150
288579913671,23cyclictest760-21systemd-journal11:09:410
288579913670,34cyclictest31648-21/usr/sbin/munin09:25:510
288579913668,32cyclictest16563-21wget10:35:150
288579913667,33cyclictest14663-21munin-run08:20:020
288579913585,39cyclictest2429-21/usr/sbin/munin09:40:170
288579913576,39cyclictest1356-21snmpd10:01:040
288579913573,22cyclictest11645-21users08:05:490
288579913570,32cyclictest6458-21seq12:02:210
288579913562,35cyclictest21318-21latency_hist10:55:010
288579913482,40cyclictest1801-21node11:29:100
288579913471,21cyclictest30958-21apt-get07:17:060
288579913468,47cyclictest19044-21wget10:45:180
288579913467,32cyclictest29111-21users09:15:490
288579913465,33cyclictest4836-21seq07:40:440
288579913384,37cyclictest19089-21grep08:35:470
288579913368,34cyclictest1356-21snmpd10:31:090
288579913368,33cyclictest25168-21ntp_states09:00:420
288579913368,24cyclictest18803-21seq10:44:480
288579913365,34cyclictest7096-21users09:56:030
288579913363,31cyclictest13184-21wget12:30:200
288579913282,38cyclictest1356-21snmpd08:20:260
288579913281,38cyclictest32695-21sshd09:30:460
288579913275,38cyclictest1356-21snmpd07:25:040
288579913273,20cyclictest10207-21/usr/sbin/munin08:00:430
288579913272,46cyclictest30428-21fw_forwarded_lo11:30:280
288579913272,20cyclictest27938-21fw_forwarded_lo11:20:270
288579913186,35cyclictest31644-21diskstats11:35:240
288579913182,37cyclictest26200-21df09:05:200
288579913180,39cyclictest1801-21node11:46:260
288579913179,39cyclictest17479-21diskstats08:30:210
288579913169,21cyclictest19976-21df_inode08:40:190
288579913167,47cyclictest1336-21runrttasks10:05:070
288579913166,30cyclictest2111-21seq07:30:190
288579913074,38cyclictest10839-21sshd10:10:540
288579912876,41cyclictest13029-21irqstats10:20:360
288579912677,38cyclictest1356-21snmpd12:05:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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