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2026-08-28 - 11:06
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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 Thu Aug 27, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22785218721,141sleep022838-21wc07:05:140
238989918536,94cyclictest5077-21https10:10:060
238989917726,129cyclictest1408-21nginx11:11:390
238989916510,112cyclictest8605-21sshd12:29:120
23898991639,111cyclictest28853-21apt-get07:32:130
23898991619,104cyclictest5037-21apt-get10:12:160
23898991607,97cyclictest28346-21users07:25:490
23898991607,131cyclictest1305-21snmpd07:22:030
238989916021,117cyclictest1305-21snmpd11:31:040
238989915937,105cyclictest10250irq/56-4a10000010:16:310
23898991587,92cyclictest3043-21apt-get07:57:120
238989915824,115cyclictest1305-21snmpd08:17:100
23898991566,130cyclictest24182-21runrttasks11:25:050
238989915654,90cyclictest18617-21/usr/sbin/munin11:00:530
238989915634,105cyclictest10250irq/56-4a10000007:54:450
23898991558,112cyclictest1305-21snmpd07:14:460
23898991556,91cyclictest24126-21apt-get11:27:110
238989915521,95cyclictest1408-21nginx10:05:040
23898991549,107cyclictest9674-21ntp_states10:25:390
23898991547,89cyclictest10920-21apt-get08:27:130
23898991547,110cyclictest1279-21munin-run09:55:000
23898991546,126cyclictest8451-21runrttasks10:20:420
23898991544,131cyclictest7958-21chrt08:11:130
238989915433,108cyclictest2010-21node12:05:180
238989915430,106cyclictest1305-21snmpd09:35:220
238989915427,114cyclictest24634-21apt-get09:17:090
238989915425,115cyclictest29657-21wget11:45:100
23898991536,124cyclictest19882-21seq11:05:570
23898991534,93cyclictest4863-21df12:15:150
23898991527,89cyclictest27295-21df11:35:170
23898991527,103cyclictest1305-21snmpd09:55:300
23898991518,106cyclictest658-21wget07:45:130
23898991506,125cyclictest26354-21latency_hist07:20:050
238989915025,107cyclictest10250irq/56-4a10000012:00:160
23898991498,100cyclictest9099-21fw_packets12:30:290
23898991497,105cyclictest23072-21ps09:10:450
238989914953,80cyclictest101ktimersoftd/008:25:030
238989914938,98cyclictest30301-21seq09:40:170
238989914836,97cyclictest6393-21seq08:05:360
23898991478,96cyclictest17057-21seq10:55:320
238989914737,97cyclictest31591-21fw_forwarded_lo09:45:280
238989914730,106cyclictest30901-21wget11:50:110
238989914724,105cyclictest1305-21snmpd08:04:560
238989914710,91cyclictest25447-21memory09:20:330
23898991469,95cyclictest6178-21fw_conntrack12:20:250
23898991469,95cyclictest10774-21fw_forwarded_lo10:30:270
23898991468,99cyclictest27816-21df_inode09:30:200
23898991466,100cyclictest12109-21/usr/sbin/munin10:35:330
23898991459,122cyclictest32318-21fw_conntrack11:55:270
23898991458,97cyclictest1305-21snmpd09:05:120
23898991457,119cyclictest15218-21sshd08:40:100
23898991449,119cyclictest14419-21chrt08:35:450
238989914427,104cyclictest20347-21diskstats09:00:220
23898991438,98cyclictest1480-21munin-node12:10:110
23898991437,93cyclictest32152-21irqstats07:40:310
238989914335,98cyclictest22860-21sh11:20:010
238989914245,87cyclictest16043-21mailstats10:50:450
238989914211,120cyclictest12658-21sshd08:30:110
238989914210,120cyclictest805-21rs:main0
23898991419,98cyclictest13637-21awk10:40:490
23898991419,119cyclictest1408-21nginx12:35:220
23898991417,101cyclictest1305-21snmpd10:45:510
23898991415,84cyclictest18026-21ntp_states08:50:390
238989914113,109cyclictest20026-21sendmail-msp09:00:020
23898991407,90cyclictest28772-21/usr/sbin/munin11:40:410
238989914033,95cyclictest801-21dbus-daemon08:50:010
23898991398,94cyclictest26414-21aten_r7power_en09:25:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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