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2026-06-10 - 15:22
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot3.osadl.org (updated Wed Jun 10, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2071212619,26sleep02076-21hddtemp_smartct07:18:120
1384821130,4sleep013849-21netstat09:33:290
28084210214,16sleep028111-21munin-node08:38:140
2750210015,17sleep02782-21timerwakeupswit08:58:470
3019129914,16sleep030213-21sort08:43:410
92502980,4sleep09248-21sendmail_mailst10:58:410
3417999825,63cyclictest4123-21munin-node09:03:280
3417999823,65cyclictest14186-21date11:13:450
3417999725,63cyclictest25384-21mailstats10:08:390
3417999715,72cyclictest18675-21munin-node08:08:310
3417999630,57cyclictest41ktimersoftd/007:59:250
3417999619,40cyclictest22922-21latency_hist10:02:530
3417999515,70cyclictest4199-21rt-features07:23:370
3169229514,17sleep031712-21ntp_kernel_pll_10:28:290
3417999425,59cyclictest3648-21munin-node10:43:030
3417999424,61cyclictest17133-21munin-node09:43:310
3417999414,71cyclictest3568-21runrttasks12:18:450
3049929414,15sleep030544-21unixbench_singl12:03:520
1674429414,16sleep016748-21df11:23:060
1244129414,16sleep012443-21ntpq12:48:370
3417999324,59cyclictest2185-21munin-node10:38:110
3417999316,67cyclictest5503-21munin-node09:08:160
3417999314,69cyclictest23858-21munin-node11:43:420
2009229315,16sleep020093-21iostat_ios08:13:220
3417999230,53cyclictest41ktimersoftd/007:47:540
3417999213,70cyclictest13226-21latency_hist09:32:540
737329114,16sleep07395-21grep09:13:300
3417999125,57cyclictest26780-21missed_timers10:13:280
3417999114,68cyclictest8388-21munin-node09:18:130
3417999114,68cyclictest28460-21munin-node10:18:310
3417999114,68cyclictest19175-21chrt09:49:080
1051829114,17sleep010521-21iostat_ios11:03:200
3417999017,64cyclictest3568-21runrttasks07:36:260
3417999015,66cyclictest21956-21munin-node11:38:270
3417999014,67cyclictest31126-21cpu08:48:060
3417999014,67cyclictest27312-21uptime11:53:560
3417999014,66cyclictest32258-21sshd12:09:260
3417999014,66cyclictest14917-21munin-node09:38:020
136529014,15sleep01368-21users12:13:530
3417998915,65cyclictest6573-21crond07:32:510
3417998915,65cyclictest3568-21runrttasks07:46:470
3417998914,66cyclictest26378-21munin-node08:33:120
3417998914,65cyclictest7061-21diskstats10:53:100
3417998814,65cyclictest5363-21cpu10:48:060
3417998814,65cyclictest32746-21cpu08:53:040
3417998814,65cyclictest24632-21munin-node08:23:020
3417998814,65cyclictest19194-21munin-node11:28:490
3417998814,38cyclictest3568-21runrttasks11:08:110
3417998813,66cyclictest24685-21munin-node11:48:560
3417998813,15cyclictest0-21swapper09:23:360
895728714,15sleep08955-21ntp_states07:38:340
3417998715,63cyclictest7944-21munin-node12:33:510
3417998715,36cyclictest9483-21expr12:38:460
3417998714,64cyclictest20521-21proc_pri11:33:380
3417998714,64cyclictest16418-21munin-node08:03:020
3417998714,63cyclictest787-21munin-node10:33:260
3417998633,44cyclictest41ktimersoftd/007:53:100
3417998632,45cyclictest41ktimersoftd/012:23:040
3417998614,63cyclictest25168-21chrt08:28:330
3417998614,63cyclictest15007-21aten_r4power_en11:18:030
3417998614,37cyclictest19742-21munin-node09:53:360
3417998614,36cyclictest29901-21munin-node10:23:180
3417998531,45cyclictest41ktimersoftd/008:18:030
3417998530,46cyclictest41ktimersoftd/010:03:520
3417998430,45cyclictest41ktimersoftd/012:28:270
3417998314,60cyclictest28110-21df_abs11:58:090
3417998124,47cyclictest10514-21perl12:43:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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