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2026-04-23 - 23:40
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Thu Apr 23, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2593025670,11sleep025931-21cat19:05:110
271149917042,106cyclictest17196-21seq22:40:480
271149916933,13cyclictest0-21swapper/020:04:410
271149916841,109cyclictest10250irq/56-4a10000019:25:550
271149916828,16cyclictest10250irq/56-4a10000022:02:360
271149916734,15cyclictest10250irq/56-4a10000020:25:140
271149916423,18cyclictest1408-21nginx23:50:470
271149916241,107cyclictest9707-21seq20:07:380
271149916148,94cyclictest10150irq/55-4a10000022:26:190
271149916042,105cyclictest7290-21fw_packets00:10:280
27114991597,37cyclictest19617-21chrt20:45:420
271149915943,105cyclictest12876-21munin-run20:20:020
271149915936,111cyclictest11623-21ntpq22:20:370
271149915935,111cyclictest15685-21runrttasks20:30:200
271149915928,13cyclictest10250irq/56-4a10000021:15:360
271149915926,113cyclictest27552-21tr19:10:360
271149915925,15cyclictest10250irq/56-4a10000022:18:030
27114991578,23cyclictest8513-21fw_forwarded_lo00:15:230
271149915738,105cyclictest1312-21sshd00:28:460
27114991569,55cyclictest32070-21apt-get19:32:120
271149915634,20cyclictest1408-21nginx20:10:240
271149915631,114cyclictest754-21systemd-journal22:10:250
271149915629,18cyclictest1305-21snmpd23:43:580
271149915438,103cyclictest23538-21df_inode21:00:190
271149915438,103cyclictest19296-21seq22:50:230
271149915345,97cyclictest31410-21runrttasks23:36:430
271149915339,11cyclictest10150irq/55-4a10000023:20:520
271149915334,18cyclictest3548-21sshd21:49:160
27114991527,15cyclictest710-21apt-get21:42:120
271149915244,96cyclictest6122-21runrttasks22:00:010
271149915238,100cyclictest18181-21seq20:40:210
271149915225,17cyclictest1285-21lldpd19:47:340
271149915224,17cyclictest28635-21irqstats21:20:320
27114991516,29cyclictest29078-21/usr/sbin/munin23:30:140
271149915139,101cyclictest28941-21latency_hist23:30:030
271149915136,19cyclictest2222-21sshd19:37:320
27114991508,17cyclictest25496-21df23:15:180
271149915039,98cyclictest5132-21/usr/sbin/munin19:50:350
271149915038,100cyclictest9936-21ntp_states00:20:360
271149915033,18cyclictest17382chrt23:48:510
271149915027,15cyclictest4540-21/usr/sbin/munin00:00:120
27114991497,15cyclictest21580-21apt-get20:56:500
27114991496,35cyclictest28466-21wget19:15:130
271149914934,103cyclictest20569-21aten_r7power_vo20:50:140
271149914933,17cyclictest1305-21snmpd21:25:240
271149914929,20cyclictest6744-21sshd00:08:440
271149914921,15cyclictest13189-21df20:20:150
271149914913,122cyclictest14303-21users00:35:480
271149914910,15cyclictest2010-21node22:46:070
27114991488,18cyclictest4389-21munin-run00:00:020
271149914741,94cyclictest20424-21aten_r7power_vo22:55:150
271149914735,99cyclictest754-21systemd-journal23:05:010
271149914721,17cyclictest26120-21irqstats21:10:310
271149914611,28cyclictest4441-21runrttasks21:51:190
271149914542,92cyclictest32590-21runrttasks21:35:470
271149914536,97cyclictest13652-21ls00:35:030
271149914536,14cyclictest25189-21latency_hist23:15:020
271149914535,98cyclictest23144-21runrttasks23:05:340
271149914532,17cyclictest24842-21cat21:05:300
271149914441,92cyclictest6712-21/usr/sbin/munin19:55:340
271149914431,20cyclictest30102-21ntpq19:20:380
271149914330,17cyclictest10250irq/56-4a10000021:30:260
271149914324,21cyclictest15553-21diskstats22:35:210
271149914240,90cyclictest16840-21/usr/sbin/munin20:35:160
271149914229,15cyclictest14452-21/usr/sbin/munin22:30:350
271149914133,97cyclictest3612-21runrttasks19:43:380
271149913618,14cyclictest10250irq/56-4a10000022:06:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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