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2026-06-23 - 13:17
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Tue Jun 23, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1744224850,12sleep027695-1kworker/u3:518:59:460
30329917015,126cyclictest19932-21apt-get23:59:480
30329916916,128cyclictest29692-21apt-get21:19:480
30329916818,124cyclictest23104-21apt-get22:34:490
30329916618,124cyclictest7594-21apt-get21:49:480
30329916618,122cyclictest6223-21df_inode21:45:220
30329916617,123cyclictest26534-21apt-get22:44:470
30329916518,106cyclictest21380-21apt-get22:29:490
30329916518,104cyclictest666-21apt-get21:29:490
30329916516,108cyclictest25095-21apt-get00:14:470
30329916514,127cyclictest24219-21/usr/sbin/munin00:11:100
30329916417,123cyclictest13220-21irqstats22:05:410
30329916415,123cyclictest6165-21apt-get23:19:520
30329916414,125cyclictest4014-21ssh21:39:260
30329916318,119cyclictest14480-21apt-get22:09:480
30329916317,120cyclictest29577-21munin-run21:19:300
30329916315,121cyclictest17937-21apt-get22:19:410
30329916219,118cyclictest26223-21/usr/sbin/munin21:11:190
30329916217,120cyclictest962-21apt-get23:04:470
30329916216,121cyclictest9597-21apt-get23:29:450
30329916216,120cyclictest11993-21users22:01:130
30329916215,108cyclictest30710-21irqstats00:30:440
30329916215,107cyclictest17825-21/usr/sbin/munin22:19:300
3032991619,125cyclictest32663-21ssh21:27:470
30329916118,117cyclictest7880-21apt-get23:24:460
30329916117,120cyclictest31719-21apt-get22:59:490
30329916117,120cyclictest29860-21munin-run22:54:270
30329916117,120cyclictest24777-21df21:05:130
30329916115,123cyclictest21259-21munin-run22:29:270
30329916115,106cyclictest24903-21ssh22:39:580
30329916017,119cyclictest11328-21apt-get23:34:540
30329916017,117cyclictest15130-21ssh23:45:250
30329916014,120cyclictest2707-21apt-get23:09:470
30329915916,118cyclictest29997-21apt-get22:54:440
30329915914,121cyclictest5750-21munin-run21:44:270
30329915912,124cyclictest3240-21grep19:04:500
30329915815,117cyclictest28524-21apt-get00:24:450
30329915814,121cyclictest4447-21apt-get23:14:450
30329915812,121cyclictest9331-21apt-get21:54:470
30329915716,119cyclictest16473-21apt-get23:49:440
30329915715,116cyclictest17264-21apt-get20:24:410
30329915714,119cyclictest13073-21ssh23:39:500
30329915618,113cyclictest22672-21apt-get20:54:370
30329915617,100cyclictest22093-21irqstats00:05:370
30329915614,119cyclictest19887-21latency_hist23:59:320
30329915613,119cyclictest22475-21head20:50:310
30329915518,113cyclictest7257-21munin-run19:29:270
30329915517,96cyclictest27160-21df_inode00:20:170
30329915517,113cyclictest5906-21irqstats19:20:090
30329915513,118cyclictest9859-21timerwakeupswit19:40:300
30329915512,118cyclictest10432-21wc19:45:130
30329915416,116cyclictest7354-21/usr/sbin/munin19:30:180
30329915416,113cyclictest4669-21apt-get19:14:410
30329915414,117cyclictest24369-21modprobe21:04:260
30329915412,101cyclictest19072-21/usr/sbin/munin20:34:470
30329915333,97cyclictest13716-21cut20:04:490
30329915316,97cyclictest15363-21munin-run20:14:270
30329915312,116cyclictest20858-21/usr/sbin/munin20:45:170
30329915229,102cyclictest16376-21sshd20:19:370
30329915210,102cyclictest11755-21run-parts19:54:260
30329915115,96cyclictest8846-21gzip19:35:260
30329915016,94cyclictest15883-21memory20:15:150
30329915011,116cyclictest20034-21aten_r5power_po20:39:490
30329915011,114cyclictest4357-21users19:09:480
30329915010,117cyclictest12396-21wc19:55:260
30329914911,116cyclictest18903-21unixbench_singl20:30:310
30329914513,95cyclictest12884-21tr19:59:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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