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2025-11-15 - 09:02
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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 Nov 15, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232369926174,0cyclictest3355-21runrttasks22:13:180
232369925575,0cyclictest3355-21runrttasks19:07:190
232369925275,0cyclictest3355-21runrttasks23:00:450
232369925167,0cyclictest13661-21df21:46:080
232369925077,0cyclictest23674-21tune2fs23:53:130
232369924976,0cyclictest1594-21jbd2/hda3-800:07:280
232369924967,0cyclictest28391-21runrttasks20:45:360
232369924660,0cyclictest9800-21snmpd23:16:580
232369924475,0cyclictest23981-21aten2.4_r8power18:41:520
232369924473,0cyclictest24383-21cut23:56:190
232369924472,0cyclictest14439-21awk23:22:410
232369924376,0cyclictest3355-21runrttasks19:41:430
232369924367,0cyclictest9770-21df21:31:120
232369924273,0cyclictest27149-21nfs_client18:52:090
232369924272,0cyclictest25983-21fschecks_count18:48:110
232369924260,0cyclictest0-21swapper20:38:450
232369924176,0cyclictest1594-21jbd2/hda3-800:05:290
232369924171,0cyclictest1-21init21:52:140
232369924170,0cyclictest3355-21runrttasks20:07:010
232369924134,0cyclictest32526-21python22:41:270
232369924080,0cyclictest1594-21jbd2/hda3-818:56:220
232369924078,0cyclictest3355-21runrttasks22:51:040
232369924073,0cyclictest19334-21nfs_client22:02:180
232369924072,0cyclictest667-21grep19:11:540
232369924071,0cyclictest1655-21grep19:16:230
232369924069,0cyclictest30210-21df_abs20:51:380
232369924066,0cyclictest6799-21df19:36:100
232369924064,0cyclictest4187-21aten2.4_r8power21:11:170
232369923987,0cyclictest24484-21smartctl22:17:450
232369923976,0cyclictest3355-21runrttasks20:27:000
232369923974,0cyclictest17138-21sshd23:32:130
232369923969,0cyclictest3355-21runrttasks22:38:540
232369923960,0cyclictest28865-21seq20:46:350
232369923867,0cyclictest3355-21runrttasks19:02:170
232369923836,0cyclictest23788-21ntp_states20:31:040
232369923778,0cyclictest3355-21runrttasks21:25:250
232369923778,0cyclictest2990-21python21:06:330
232369923771,0cyclictest3355-21runrttasks22:32:530
232369923770,0cyclictest1-21init23:37:140
232369923768,0cyclictest6138-21df_abs21:16:360
232369923767,0cyclictest4361-21df_inode19:26:260
232369923767,0cyclictest0-21swapper19:53:080
232369923751,0cyclictest3121-21sshd20:02:130
232369923678,0cyclictest3355-21runrttasks21:41:320
232369923676,0cyclictest10230-21awk23:11:340
232369923675,0cyclictest1594-21jbd2/hda3-823:10:370
232369923673,0cyclictest3355-21runrttasks22:26:080
232369923669,0cyclictest20865-21awk22:07:390
232369923665,0cyclictest25413-21df_inode22:21:190
232369923663,0cyclictest1-21init20:14:500
232369923654,0cyclictest21726-21sendmail_mailqu23:47:300
232369923652,0cyclictest3355-21runrttasks23:43:460
232369923572,0cyclictest2990-21df_inode19:21:230
232369923473,0cyclictest3355-21runrttasks23:29:190
232369923469,0cyclictest18094-21fschecks_count21:58:060
232369923451,0cyclictest0-21swapper20:55:450
232369923370,0cyclictest1559-21sshd21:02:130
232369923269,0cyclictest3355-21runrttasks22:50:160
232369923266,0cyclictest8258-21latency_hist21:25:390
232369923173,0cyclictest11033-21grep21:36:050
232369923171,0cyclictest5593-21df19:31:230
232369923171,0cyclictest5214-21aten2.4_r8power22:56:560
232369923168,0cyclictest3121-21sshd20:18:130
232369923030,0cyclictest20760-21aten2.4_r8power20:21:590
232369922780,0cyclictest12361-21sh19:55:580
232369922678,0cyclictest9694-21zcat19:46:400
232369922034,0cyclictest23224-21munin-run18:40:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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