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2025-09-18 - 00:11
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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 100 highest latencies:
System rack9slot4.osadl.org (updated Wed Sep 17, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
204391189159sleep0-21swapper/118:52:101
20635991264cyclictest23753-21latency_hist19:02:220
20635991194cyclictest28818-21latency_hist23:42:290
20635991167cyclictest0-21swapper/021:43:190
20635991154cyclictest13141-21latency_hist20:12:240
20635991114cyclictest5265-21latency_hist23:57:310
20635991109cyclictest0-21swapper/022:23:100
20635991103cyclictest26426-21tune2fs22:42:500
206359911022cyclictest0-21swapper/020:22:510
20635991099cyclictest0-21swapper/019:37:540
20635991095cyclictest28950-21/usr/sbin/munin22:48:140
20635991094cyclictest5174-21latency_hist23:02:280
20635991094cyclictest21886-21vmstat18:53:020
20635991093cyclictest15129-21sh00:13:010
20635991093cyclictest14478-21sshd20:14:500
20635991087cyclictest0-21swapper/019:57:550
20635991084cyclictest74-21mmcqd/021:32:220
20635991084cyclictest31491-21latency_hist21:02:250
20635991084cyclictest31491-21latency_hist21:02:250
20635991084cyclictest304-21snmpd00:08:020
20635991084cyclictest20881-21latency_hist20:37:250
20635991084cyclictest11672-21sshd21:22:530
20635991083cyclictest2213-21latency_hist22:57:280
20513110870sleep0-21swapper/018:52:170
20635991078cyclictest0-21swapper/023:18:010
20635991078cyclictest0-21swapper/020:02:560
20635991077cyclictest0-21swapper/022:27:390
20635991075cyclictest23831-21latency22:38:000
20635991073cyclictest19253-21ssh21:35:580
20635991068cyclictest0-21swapper/000:22:320
20635991067cyclictest0-21swapper/019:17:220
20635991066cyclictest5777-21sshd21:12:530
20635991063cyclictest8016-21latency_hist22:12:270
20635991063cyclictest74-21mmcqd/020:32:240
20635991063cyclictest332-21ntpd20:42:570
20635991063cyclictest22557-21sh21:41:580
20635991058cyclictest0-21swapper/021:20:230
20635991054cyclictest31637-21latency_hist21:57:270
20635991053cyclictest326-21runrttasks20:55:570
20635991053cyclictest32216-21fschecks_time21:02:520
20635991045cyclictest28652-21latency_hist21:52:260
20635991044cyclictest8432-21sh22:12:440
20635991043cyclictest11077-21sh23:12:280
20635991034cyclictest12042-21latency23:13:000
20635991033cyclictest6855-21latency_hist19:52:240
20635991033cyclictest17804-21sshd23:22:560
20635991023cyclictest5406-21ssh23:57:370
20635991023cyclictest5146-21latency_hist23:02:290
20635991023cyclictest16202-21latency_hist20:22:240
206359910212cyclictest5375-21latency_hist19:47:240
20635991004cyclictest304-21snmpd21:59:580
20635991003cyclictest8412-21aten_r9power_cu00:02:420
20635999954cyclictest6950irq/18-mmc019:12:230
2063599995cyclictest25281-21latency_hist19:07:210
2063599994cyclictest31787-21latency_hist23:47:300
2063599993cyclictest12111-21/usr/sbin/munin22:18:020
2063599989cyclictest0-21swapper/021:07:460
2063599988cyclictest0-21swapper/022:03:190
2063599984cyclictest28796-21df_inode19:17:390
2063599969cyclictest0-21swapper/019:52:410
2063599969cyclictest0-21swapper/019:52:410
2063599948cyclictest0-21swapper/023:48:270
2063599947cyclictest0-21swapper/022:32:350
2063599943cyclictest22892-21latency_hist23:32:300
2063599934cyclictest25560-21latency_hist20:52:250
2063599925cyclictest32500-21ntp_states19:27:540
2064699914cyclictest23094-21/usr/sbin/munin18:57:511
2064699913cyclictest21537-21/usr/sbin/munin18:52:521
2064699903cyclictest27275-21/usr/sbin/munin23:38:131
2064699903cyclictest15036-21/usr/sbin/munin20:17:421
2064699895cyclictest30614-21/usr/sbin/munin19:22:451
2064699893cyclictest9405-21/usr/sbin/munin19:57:581
2064699893cyclictest7379-21/usr/sbin/munin19:52:451
2064699893cyclictest7379-21/usr/sbin/munin19:52:451
2064699893cyclictest2592-21/usr/sbin/munin19:37:431
2064699893cyclictest24409-21/usr/sbin/munin20:47:461
2064699893cyclictest17655-21sshd20:25:501
2064699883cyclictest5173-21/usr/sbin/munin21:12:391
2064699883cyclictest21191-21/usr/sbin/munin20:37:381
2063599889cyclictest0-21swapper/023:33:140
2064699875cyclictest18165-21/usr/sbin/munin23:23:081
2064699863cyclictest24623-21/usr/sbin/munin19:02:501
2063599868cyclictest0-21swapper/019:37:190
2063599863cyclictest74-21mmcqd/019:22:350
2064699854cyclictest26154-21df21:47:431
2064699853cyclictest11531-21df23:12:471
20635998536cyclictest20908-21cat20:37:240
2064699844cyclictest31202-21ssh21:56:211
2064699844cyclictest26877-21/usr/sbin/munin22:43:001
2064699844cyclictest15334-21ps00:13:091
2064699833cyclictest328-21/usr/sbin/munin19:28:021
2064699832cyclictest24908-21ssh22:39:551
2064699823cyclictest20465-21fschecks_count23:27:511
2064699813cyclictest26333-21/usr/sbin/munin20:52:501
2064699803cyclictest30147-21/usr/sbin/munin23:43:111
2064699803cyclictest25476-21/usr/sbin/munin19:07:361
2064699803cyclictest23996-21/usr/sbin/munin21:43:071
2064699794cyclictest20068-21/usr/sbin/munin20:32:491
2064699793cyclictest29363-21/usr/sbin/munin19:17:521
2064699785cyclictest2704-21/usr/sbin/munin22:57:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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