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2025-10-18 - 07:11
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Sat Oct 18, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2797799217137,0cyclictest8305-21munin-node22:22:180
2797799216140,0cyclictest5691-21df_inode23:47:540
2797799216135,0cyclictest11550-21awk00:03:490
2797799216134,0cyclictest29122-21nfsd18:44:020
2797799215134,0cyclictest16521-21awk22:44:140
2797799214132,0cyclictest4657-21cron22:12:070
2797799214132,0cyclictest19294-21grep19:48:220
2797799214131,0cyclictest9800-21snmpd20:58:030
2797799213132,0cyclictest10032-21awk23:59:110
2797799213130,0cyclictest11751-21sh22:32:070
2797799212131,0cyclictest9800-21snmpd23:39:240
2797799212129,0cyclictest21278-21aten2.4_r8power22:58:170
2797799212128,0cyclictest8603-21rt-features19:18:140
2797799211134,0cyclictest3355-21runrttasks22:51:070
2797799211132,0cyclictest6709-21munin-node20:44:010
2797799211132,0cyclictest3355-21runrttasks20:52:270
2797799211122,0cyclictest3355-21runrttasks20:23:450
2797799210134,0cyclictest13291-21nfs_client00:08:470
2797799210133,0cyclictest12940-21tune2fs19:29:330
2797799210131,0cyclictest3355-21runrttasks21:22:420
2797799209159,0cyclictest13529-21cron22:37:070
2797799209135,0cyclictest3355-21runrttasks20:10:390
2797799209131,0cyclictest14169-21nfs_client19:33:460
2797799209126,0cyclictest24423-21cpu20:03:050
2797799208129,0cyclictest3355-21runrttasks21:12:490
2797799208128,0cyclictest3938-21df_inode23:42:580
2797799208128,0cyclictest25050-21aten2.4-expect21:37:460
2797799208123,0cyclictest3355-21runrttasks19:52:380
2797799207133,0cyclictest7583-21smart_hda23:53:060
2797799207133,0cyclictest29781-21df_abs20:18:080
2797799207129,0cyclictest31187-21seq21:54:110
2797799207127,0cyclictest3355-21runrttasks23:31:170
2797799207125,0cyclictest22921-21basename21:32:090
2797799206132,0cyclictest3089-21nsca19:10:400
2797799206131,0cyclictest23798-21grep23:04:410
2797799206125,0cyclictest3355-21runrttasks21:35:340
2797799206123,0cyclictest3355-21runrttasks21:18:410
2797799206123,0cyclictest19546-21unixbench_singl22:53:270
2797799206122,0cyclictest3355-21runrttasks20:27:500
2797799205142,0cyclictest3051-21nfs_client20:33:520
2797799205130,0cyclictest13032-21df21:02:380
2797799205129,0cyclictest29194-21sendmail_mailst23:22:320
2797799205128,0cyclictest27848-21fschecks_time21:44:340
2797799205121,0cyclictest3355-21runrttasks20:01:540
2797799204126,0cyclictest32521-21latency_hist23:32:210
2797799204126,0cyclictest28108-21rt-features20:13:160
2797799203133,0cyclictest8298-21expr20:48:430
2797799203133,0cyclictest3089-21nsca19:13:100
2797799203128,0cyclictest3355-21runrttasks19:38:410
2797799203126,0cyclictest6516-21date22:17:150
2797799203125,0cyclictest27130-21grep23:14:140
2797799203124,0cyclictest3355-21runrttasks19:42:260
2797799203123,0cyclictest32607-21nfs_client21:58:380
2797799203122,0cyclictest3355-21runrttasks22:02:560
2797799202130,0cyclictest24815-21aten2.4_r8power23:08:230
2797799202123,0cyclictest10549-21telnet19:23:340
2797799202122,0cyclictest1702-21nfs_client18:58:420
2797799200131,0cyclictest14995-21df_inode21:07:580
2797799200127,0cyclictest9800-21snmpd23:18:430
2797799200124,0cyclictest9800-21snmpd22:14:570
2797799200122,0cyclictest29618-21perl21:49:280
2797799199128,0cyclictest14925-21fschecks_count22:39:330
2797799198125,0cyclictest4761-21awk20:38:410
2797799198123,0cyclictest32715-21nfsd18:54:090
2797799197123,0cyclictest3355-21runrttasks19:03:140
2626501960,0irq/5-eth026971-21cut18:37:570
2797799195114,0cyclictest31349-21sshd18:50:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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