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2026-03-19 - 21:51
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack7slot0.osadl.org (updated Thu Mar 19, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650650,0irq/26-eth1-rx-0-21swapper/307:06:173
120650650,0irq/26-eth1-rx-0-21swapper/107:05:071
112750590,0irq/25-eth00-21swapper/207:06:352
120650470,0irq/26-eth1-rx-0-21swapper/007:05:270
27792991817,0cyclictest0-21swapper/009:36:590
2779499160,0cyclictest0-21swapper/210:05:142
27793991515,0cyclictest0-21swapper/112:29:351
2779299150,0cyclictest19695-21diskmemload12:05:160
2779599140,0cyclictest0-21swapper/312:05:023
27794991413,0cyclictest0-21swapper/210:12:392
2779399140,0cyclictest0-21swapper/112:07:181
27792991413,0cyclictest4094-21sshd12:17:240
27792991412,0cyclictest0-21swapper/009:16:250
27795991312,0cyclictest13505-21sshd10:26:243
27795991311,0cyclictest0-21swapper/312:22:413
27794991312,0cyclictest0-21swapper/212:14:162
27794991312,0cyclictest0-21swapper/211:29:332
27794991312,0cyclictest0-21swapper/210:40:382
2779499130,0cyclictest0-21swapper/212:39:002
2779499130,0cyclictest0-21swapper/212:09:512
2779499130,0cyclictest0-21swapper/211:04:592
2779499130,0cyclictest0-21swapper/207:35:172
27793991312,0cyclictest8478-21bash11:52:041
27793991312,0cyclictest19695-21diskmemload11:16:521
27793991312,0cyclictest14545-21sshd11:35:351
27793991312,0cyclictest0-21swapper/110:40:451
2779399130,0cyclictest0-21swapper/111:56:291
2779399130,0cyclictest0-21swapper/109:37:191
27792991312,0cyclictest0-21swapper/011:57:180
27792991312,0cyclictest0-21swapper/011:04:550
2779299130,0cyclictest0-21swapper/012:03:560
2779299130,0cyclictest0-21swapper/010:50:100
2779299130,0cyclictest0-21swapper/010:50:100
2779299130,0cyclictest0-21swapper/010:36:410
2779299130,0cyclictest0-21swapper/010:15:050
191130,0ktimersoftd/10-21swapper/109:17:071
112750130,0irq/25-eth02122-21sshd10:55:110
9950120,0irq/24-0000:00:1784-21sshd09:20:180
351120,0ktimersoftd/30-21swapper/310:32:403
27795991211,0cyclictest0-21swapper/312:26:063
27795991211,0cyclictest0-21swapper/312:02:493
27795991211,0cyclictest0-21swapper/311:33:473
27795991210,0cyclictest0-21swapper/311:47:503
27795991210,0cyclictest0-21swapper/309:55:153
27795991210,0cyclictest0-21swapper/309:20:463
27795991210,0cyclictest0-21swapper/309:13:553
27795991210,0cyclictest0-21swapper/307:55:383
2779599120,0cyclictest0-21swapper/312:13:513
2779599120,0cyclictest0-21swapper/311:56:263
2779599120,0cyclictest0-21swapper/309:27:243
27794991211,0cyclictest0-21swapper/210:20:452
27794991211,0cyclictest0-21swapper/207:15:012
27794991210,0cyclictest3173-21sshd09:59:162
27794991210,0cyclictest0-21swapper/209:34:182
2779499120,0cyclictest0-21swapper/211:43:502
2779499120,0cyclictest0-21swapper/210:27:242
2779499120,0cyclictest0-21swapper/210:18:482
27793991211,0cyclictest2106-21sshd11:21:031
27793991211,0cyclictest0-21swapper/109:55:551
27793991210,0cyclictest0-21swapper/111:00:231
2779399120,0cyclictest0-21swapper/112:22:581
2779399120,0cyclictest0-21swapper/109:12:211
27792991211,0cyclictest4902-21sshd09:59:310
27792991211,0cyclictest11322-21bash11:09:250
27792991211,0cyclictest0-21swapper/011:38:220
2779299120,0cyclictest0-21swapper/010:05:180
1599120,0watchdog/00-21swapper/009:00:220
112750120,0irq/25-eth012197-21sshd09:30:160
112750120,0irq/25-eth00-21swapper/311:14:103
112750120,0irq/25-eth00-21swapper/311:14:093
112750120,0irq/25-eth00-21swapper/310:59:103
9950110,0irq/24-0000:00:0-21swapper/310:05:083
41110,0ktimersoftd/00-21swapper/011:44:360
2779599119,0cyclictest0-21swapper/307:29:283
2779599119,0cyclictest0-21swapper/307:22:303
27795991111,0cyclictest0-21swapper/312:35:553
27795991111,0cyclictest0-21swapper/312:31:313
27795991111,0cyclictest0-21swapper/311:03:003
27795991111,0cyclictest0-21swapper/310:41:373
27795991111,0cyclictest0-21swapper/310:20:013
27795991110,0cyclictest18565-21sshd11:27:373
27795991110,0cyclictest0-21swapper/310:46:023
27795991110,0cyclictest0-21swapper/310:39:253
27795991110,0cyclictest0-21swapper/309:49:523
27795991110,0cyclictest0-21swapper/309:18:333
27795991110,0cyclictest0-21swapper/308:22:423
27795991110,0cyclictest0-21swapper/308:04:263
2779599110,0cyclictest26922-21sshd12:16:053
2779599110,0cyclictest0-21swapper/307:50:233
2779599110,0cyclictest0-21swapper/307:11:493
2779499119,0cyclictest5304-21sh11:30:112
2779499119,0cyclictest10266-21munin-node07:40:102
27794991111,0cyclictest0-21swapper/212:29:572
27794991111,0cyclictest0-21swapper/210:45:032
27794991111,0cyclictest0-21swapper/209:22:492
27794991110,0cyclictest32306-21bash12:21:092
27794991110,0cyclictest19695-21diskmemload11:54:252
27794991110,0cyclictest0-21swapper/211:23:092
27794991110,0cyclictest0-21swapper/209:18:232
2779499110,0cyclictest28661-21sshd09:36:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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