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2025-11-28 - 19:17
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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 the highest latencies:
System rack7slot8.osadl.org (updated Fri Nov 28, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28609212280,10sleep028610-21if_eth007:05:240
29539991735,111cyclictest32440-21apt-get09:32:110
295399916740,88cyclictest10250irq/56-4a10000011:25:130
29539991647,96cyclictest8268-21apt-get10:02:110
295399916145,100cyclictest10150irq/55-4a10000012:00:340
295399915934,108cyclictest10250irq/56-4a10000012:10:470
29539991578,131cyclictest9219-21ntp_states07:55:400
295399915714,125cyclictest1424-21nginx12:25:500
295399915527,118cyclictest17395-21apt-get10:35:300
295399915522,115cyclictest1424-21nginx09:51:220
29539991549,99cyclictest4539-21users07:36:350
29539991537,108cyclictest1356-21snmpd12:17:130
29539991537,104cyclictest1801-21node11:10:370
295399915335,105cyclictest5285-21df07:40:170
295399915329,106cyclictest1356-21snmpd11:02:390
295399915327,109cyclictest1424-21nginx08:35:510
29539991519,106cyclictest6636-21apt-get09:57:100
29539991518,87cyclictest1-21systemd12:40:020
29539991518,122cyclictest12565-21wget10:15:130
29539991518,109cyclictest1356-21snmpd12:07:110
29539991518,100cyclictest12964-21ntp_states08:10:380
29539991517,101cyclictest28974-21df09:15:170
295399915129,108cyclictest25172-21aten_r7power_vo09:00:160
29539991509,120cyclictest1424-21nginx11:31:410
29539991508,105cyclictest6738-21ntp_states07:45:410
29539991508,104cyclictest1356-21snmpd11:22:010
29539991508,102cyclictest15117-21wget10:25:170
29539991508,102cyclictest10411-21ntp_states10:05:390
295399915030,101cyclictest4604-21ntp_states11:50:400
295399915027,102cyclictest21726-21wget10:50:150
29539991499,128cyclictest1356-21snmpd10:30:140
29539991499,104cyclictest19356-21df_inode10:40:200
29539991498,107cyclictest1356-21snmpd07:31:040
29539991498,106cyclictest14079-21irqstats10:20:290
29539991497,117cyclictest1356-21snmpd11:37:060
295399914938,99cyclictest23702-21latency_hist08:55:020
29539991489,116cyclictest27867-21/usr/sbin/munin11:15:200
29539991489,100cyclictest31267-21ntp_states07:15:430
29539991488,104cyclictest1356-21snmpd07:10:590
29539991487,121cyclictest15332-21sshd08:20:280
29539991486,122cyclictest14205-21/usr/sbin/munin12:30:140
295399914842,96cyclictest27866-21runrttasks09:10:360
295399914822,108cyclictest10250irq/56-4a10000008:25:030
295399914810,118cyclictest2917-21lockfile-create09:40:010
29539991478,117cyclictest20719-21sshd08:40:590
29539991476,100cyclictest7982-21ntp_states07:50:400
295399914731,105cyclictest20720-21memory10:45:360
29539991467,105cyclictest1356-21snmpd08:31:190
295399914622,113cyclictest31555-21runrttasks09:25:280
295399914622,107cyclictest10250irq/56-4a10000009:20:160
29539991458,114cyclictest23071-21df10:55:170
29539991457,95cyclictest6584-21munin-run12:00:020
29539991457,116cyclictest10292-21/usr/sbin/munin08:00:250
29539991457,104cyclictest11445-21wget08:05:170
295399914536,98cyclictest25692-21irqstats11:05:340
29539991447,93cyclictest4586-21memory09:45:350
29539991446,117cyclictest1842-21grep11:40:150
295399914437,95cyclictest11727-21apt12:20:190
295399914419,106cyclictest1356-21snmpd09:41:360
295399914416,116cyclictest3399-21/usr/sbin/munin11:45:430
295399914336,96cyclictest11668-21ntp_states10:10:430
29539991428,121cyclictest14583-21apt-get08:17:070
295399914244,87cyclictest24425-21sshd08:55:520
29539991419,119cyclictest32446-21sshd07:20:320
29539991417,109cyclictest1356-21snmpd09:06:250
295399913930,96cyclictest21542-21fw_conntrack08:45:250
29539991388,110cyclictest1184-21sshd07:25:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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