* 2.2.18 vanilla on SMP, latency
@ 2000-12-11 20:56 Mario Vanoni
2000-12-12 22:12 ` 2.2.18 vanilla on SMP, latency WORKAROUND Mario Vanoni
0 siblings, 1 reply; 2+ messages in thread
From: Mario Vanoni @ 2000-12-11 20:56 UTC (permalink / raw)
To: linux-kernel
Same latencies as 2.2.16 and 2.2.17 vanilla,
over 75 seconds to wait on an other screen!
And top(1) on a serial VT510 freezes.
Machine loaded with 2 setiathome and
Doug Ledford's memtest.
ASUS P2B-DS Dual PIII550 1024MB memory,
only SCSI devices (no IDE!).
Andrea Arcangeli's ..17pre6aa2, ..18pre17aa1
and ..18pre21aa2 reduced the latency <2 secs.
Regards
Mario Vanoni
PS If necessary, cc, not in lkml!
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* Re: 2.2.18 vanilla on SMP, latency WORKAROUND
2000-12-11 20:56 2.2.18 vanilla on SMP, latency Mario Vanoni
@ 2000-12-12 22:12 ` Mario Vanoni
0 siblings, 0 replies; 2+ messages in thread
From: Mario Vanoni @ 2000-12-12 22:12 UTC (permalink / raw)
To: linux-kernel; +Cc: Andrea Arcangeli
Mario Vanoni wrote:
>
> Same latencies as 2.2.16 and 2.2.17 vanilla,
> over 75 seconds to wait on an other screen!
> And top(1) on a serial VT510 freezes.
>
> Machine loaded with 2 setiathome and
> Doug Ledford's memtest.
>
> ASUS P2B-DS Dual PIII550 1024MB memory,
> only SCSI devices (no IDE!).
>
> Andrea Arcangeli's ..17pre6aa2, ..18pre17aa1
> and ..18pre21aa2 reduced the latency <2 secs.
>
> Regards
> Mario Vanoni
>
> PS If necessary, cc, not in lkml!
Patched with Andrea's 2.2.18aa1, with more loads,
latency always minor 1-2 seconds.
Impossible to reproduce 75 seconds!
Mario
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