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2026-09-06 - 13:45
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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 Sat Sep 05, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
303572934153,437sleep027214-21kworker/0:307:08:530
305549916610,136cyclictest12857-21df10:15:190
30554991648,116cyclictest754-21systemd-journal12:20:010
305549916238,104cyclictest10250irq/56-4a10000008:45:280
305549916223,118cyclictest26079-21wget09:00:120
305549916110,110cyclictest6436-21df11:55:250
305549916029,107cyclictest31039-21cut09:20:120
305549916026,91cyclictest1408-21nginx10:41:450
30554991599,129cyclictest29135-21apt-get11:20:030
30554991589,94cyclictest18045-21apt-get08:30:450
30554991578,91cyclictest29135-21apt-get11:22:120
305549915725,111cyclictest1305-21snmpd07:14:520
30554991568,126cyclictest21379-21sshd10:50:040
30554991568,107cyclictest23720-21df08:50:210
305549915610,108cyclictest19985-21df_inode08:35:200
305549915526,110cyclictest1408-21nginx12:32:010
30554991548,105cyclictest12314-21seq10:13:050
30554991547,89cyclictest9683-21apt-get10:07:130
30554991547,127cyclictest9155-21threads10:00:490
30554991546,93cyclictest32178-21irqstats07:15:300
305549915442,100cyclictest22669-21aten_r7power_en10:55:130
305549915435,80cyclictest1276-21runrttasks12:08:150
30554991536,91cyclictest14057-21diskstats12:25:250
305549915330,82cyclictest24056-21aten_r7power_en11:00:140
30554991529,99cyclictest25152-21ntp_states08:55:410
30554991529,104cyclictest2536-21diskstats09:35:240
305549915242,98cyclictest10770-21runrttasks12:11:170
305549915235,99cyclictest38572chrt11:45:400
305549915233,107cyclictest10929-21runrttasks08:00:270
305549915226,106cyclictest4705-21/usr/sbin/munin11:50:130
30554991519,103cyclictest1305-21snmpd09:15:290
30554991518,104cyclictest17317-21ntp_states08:25:390
305549915126,106cyclictest5715-21/usr/sbin/munin07:40:420
305549915110,100cyclictest9316-21apt07:55:010
30554991509,105cyclictest6259-21df_inode09:50:190
30554991508,103cyclictest28743-21fw_forwarded_lo09:10:280
30554991499,102cyclictest3972-21ntp_states09:40:400
30554991497,99cyclictest31135-21fw_conntrack11:25:280
30554991497,122cyclictest12327-21runrttasks08:05:390
30554991487,105cyclictest15384-21diskstats10:25:220
305549914835,101cyclictest17352-21users12:35:500
305549914820,110cyclictest14442-21wget08:15:130
30554991479,100cyclictest1085-21wget09:30:130
30554991478,96cyclictest13365-21df08:10:200
30554991477,104cyclictest3416-21df_inode07:30:210
30554991476,97cyclictest16801-21cron08:25:010
305549914729,108cyclictest12721-21wget12:20:160
305549914723,105cyclictest1276-21runrttasks09:47:080
305549914723,103cyclictest27264-21/usr/sbin/munin09:05:160
30554991467,120cyclictest18772-21cron10:40:000
305549914631,103cyclictest7965-21ntpq12:00:390
305549914616,110cyclictest1305-21snmpd11:11:580
30554991459,98cyclictest32454-21memory11:30:360
30554991458,117cyclictest9626-21sh07:55:190
30554991456,101cyclictest1305-21snmpd09:25:350
30554991447,94cyclictest1238-21irqstats11:35:320
30554991438,100cyclictest2584-21users07:25:500
30554991437,117cyclictest20497-21nfs4_client10:45:360
30554991436,118cyclictest25826-21chrt11:05:330
30554991436,115cyclictest1305-21snmpd10:20:560
30554991428,98cyclictest2455-21fw_conntrack11:40:250
305549914232,96cyclictest754-21systemd-journal07:21:010
305549914231,101cyclictest17416-21runrttasks10:34:010
305549914227,96cyclictest8007-21seq07:49:280
305549914226,105cyclictest1276-21runrttasks07:38:030
305549914132,98cyclictest21076-21wget08:40:130
30554991407,99cyclictest7692-21sh09:55:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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