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2026-05-05 - 04:24
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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 Mon May 04, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29284220831,50sleep00-21swapper/007:07:210
29660991667,84cyclictest9666-21apt-get08:02:110
296609916326,118cyclictest25124-21wget11:05:170
29660991627,134cyclictest18577-21grep08:30:450
29660991607,95cyclictest7810-21apt-get12:07:090
29660991607,132cyclictest15418-21cron08:20:000
29660991598,109cyclictest17352-21diskstats10:35:240
296609915832,108cyclictest10250irq/56-4a10000012:36:270
29660991579,100cyclictest6148-21diskstats09:50:240
296609915721,116cyclictest1285-21lldpd08:27:420
29660991568,109cyclictest12350-21df_inode10:15:200
29660991557,128cyclictest1305-21snmpd11:21:060
296609915542,102cyclictest30036-21runrttasks09:15:440
296609915540,104cyclictest2554-21fw_conntrack07:30:240
29660991547,87cyclictest19161-21apt-get08:37:090
296609915344,89cyclictest10150irq/55-4a10000011:55:400
296609915335,99cyclictest12409-21runrttasks12:20:380
29660991528,88cyclictest12085-21fw_conntrack08:05:450
29660991528,108cyclictest2497-21irqstats09:35:310
29660991528,103cyclictest7565-21ntp_states09:55:400
29660991526,107cyclictest6446-21ntp_states07:45:380
296609915213,100cyclictest1408-21nginx12:31:240
29660991519,106cyclictest18271-21apt-get10:40:560
29660991518,108cyclictest1305-21snmpd11:26:100
296609915148,85cyclictest10150irq/55-4a10000008:45:400
296609915127,113cyclictest3859-21irqstats07:35:310
29660991508,98cyclictest2010-21node12:01:210
29660991507,107cyclictest1305-21snmpd08:55:160
29660991507,105cyclictest9865-21df10:05:160
296609915029,84cyclictest10250irq/56-4a10000011:01:150
296609915026,106cyclictest10250irq/56-4a10000008:44:430
296609915010,101cyclictest28583-21df_inode09:10:200
29660991498,97cyclictest8523-21cut10:00:120
29660991498,120cyclictest23658-21runrttasks11:00:020
29660991497,121cyclictest2943-21/usr/sbin/munin11:45:110
29660991497,103cyclictest1305-21snmpd09:40:200
29660991489,103cyclictest15054-21ntp_states10:25:400
29660991478,93cyclictest10916-21/usr/sbin/munin10:10:530
29660991478,124cyclictest23790-21ntp_states08:50:390
29660991478,101cyclictest1305-21snmpd10:20:470
29660991476,98cyclictest754-21systemd-journal12:27:160
296609914710,95cyclictest27707-21fw_conntrack11:15:220
29660991466,120cyclictest461-21wget11:35:190
29660991466,104cyclictest9575-21/usr/sbin/munin12:10:130
29660991466,104cyclictest1305-21snmpd10:45:570
296609914634,101cyclictest5156-21ps09:45:460
29660991457,121cyclictest31071-21wget07:15:140
29660991449,103cyclictest1305-21snmpd11:51:150
29660991448,96cyclictest1373-21memory07:25:320
29660991448,105cyclictest8537-21/usr/sbin/munin07:55:120
296609914449,76cyclictest10150irq/55-4a10000011:40:150
296609914410,92cyclictest30274-21awk07:10:460
29660991439,114cyclictest15646-21wget08:20:140
29660991438,94cyclictest5207-21ntp_states07:40:390
29660991436,85cyclictest13752-21chrt08:11:290
296609914310,122cyclictest31111-21sshd09:20:240
296609914235,89cyclictest10150irq/55-4a10000009:04:480
296609914220,111cyclictest1141-21diskstats09:30:230
29660991417,80cyclictest21570-21irqstats10:50:310
29660991417,100cyclictest15906-21/usr/sbin/munin10:30:240
296609914032,90cyclictest0-21swapper/012:16:230
296609914028,101cyclictest32316-21tr07:20:140
29660991398,113cyclictest32641-21awk09:25:450
29660991397,114cyclictest26640-21ntpq11:10:390
296609913929,100cyclictest27339-21df_inode09:05:200
296609913810,96cyclictest31854-21fw_conntrack11:30:240
296609913545,80cyclictest7331-21wget07:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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