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2026-04-24 - 10:15
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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 Apr 23, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28770215300,12sleep028768-21netstat07:05:240
2963499133103,12cyclictest0-21swapper/007:10:040
296349913272,40cyclictest9682-21cpu07:55:190
296349913047,34cyclictest10822-21/usr/sbin/munin12:10:180
296349912852,19cyclictest7665-21apt-get12:02:130
296349912549,25cyclictest1745-21/usr/sbin/munin07:25:310
296349912547,56cyclictest18718-21runrttasks10:36:130
296349912544,61cyclictest18082-21ps08:26:280
296349912243,38cyclictest1305-21snmpd10:56:180
296349912231,33cyclictest19637-21ntp_states08:31:230
296349912151,34cyclictest1305-21snmpd07:20:080
296349912150,50cyclictest10589-21chrt12:10:040
296349912087,22cyclictest6410-21runrttasks09:48:510
296349912073,37cyclictest31145-21chrt09:17:090
296349912049,51cyclictest1897-21/usr/sbin/munin09:30:220
296349912046,20cyclictest8340-21irqstats07:50:320
296349912044,22cyclictest27244-21users09:00:500
296349911945,19cyclictest28397-21df11:15:180
296349911875,34cyclictest620-21runrttasks09:25:220
296349911774,32cyclictest24368-21sshd08:50:250
296349911756,21cyclictest15920-21sshd12:27:030
296349911750,51cyclictest1408-21nginx10:30:080
296349911747,35cyclictest421-21fw_conntrack07:20:420
296349911741,36cyclictest17148-21fw_forwarded_lo12:30:430
296349911740,39cyclictest12553-21fw_forwarded_lo12:15:290
296349911647,54cyclictest694-21gpgv11:35:070
296349911645,36cyclictest12391-21fw_conntrack08:05:240
296349911636,24cyclictest622-21apt-get11:37:100
296349911571,34cyclictest20478-21wget08:35:140
296349911558,39cyclictest25759-21wget11:05:120
296349911552,21cyclictest19721-21diskstats10:40:220
296349911546,50cyclictest3064-21dpkg11:40:340
296349911469,34cyclictest13424-21aten_r7power_cu08:10:120
296349911468,33cyclictest4719-21runrttasks11:46:080
296349911442,40cyclictest23588-21sshd08:46:250
296349911373,31cyclictest4583-21ntpq09:40:390
296349911371,31cyclictest32388-21runrttasks09:21:570
296349911271,31cyclictest9872-21runrttasks10:01:300
296349911269,31cyclictest5453-21runrttasks07:40:020
296349911264,36cyclictest2847-21cmp07:30:130
296349911260,36cyclictest11641-21/usr/sbin/munin10:10:430
296349911250,30cyclictest13282-21ntp_states10:15:430
296349911243,35cyclictest754-21systemd-journal11:20:260
296349911243,32cyclictest6920-21aten_r7power_vo07:45:170
296349911243,18cyclictest22203-21diskstats10:50:220
296349911169,31cyclictest11325-21seq08:00:420
296349911148,23cyclictest28250-21seq09:05:370
296349911147,22cyclictest19233-21latency_hist12:40:010
296349911127,31cyclictest6726-21df11:55:170
296349911044,32cyclictest20786-21wget10:45:140
296349911043,31cyclictest1305-21snmpd07:40:140
296349910980,21cyclictest3352-21open_inodes09:35:430
296349910975,25cyclictest16103-21df_inode08:20:180
296349910950,19cyclictest801-21dbus-daemon10:00:010
296349910947,29cyclictest6013-21chrt11:51:340
296349910938,53cyclictest24571-21wget11:00:100
296349910865,32cyclictest15247-21seq08:15:500
296349910861,37cyclictest15601-21diskstats10:25:210
296349910767,30cyclictest27181-21diskstats11:10:230
296349910738,34cyclictest10599-21df_inode10:05:180
296349910730,62cyclictest10150irq/55-4a10000009:50:340
296349910657,33cyclictest10150irq/55-4a10000012:20:110
296349910636,33cyclictest22055-21ntp_states08:40:420
296349910634,53cyclictest25429-21wget08:55:130
296349910578,18cyclictest1609-21sendmail-mta11:25:490
296349910458,36cyclictest29509-21ntp_states09:10:410
296349910163,31cyclictest14182-21wget10:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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