From: "Adam Kropelin" <akropel1@rochester.rr.com>
To: <linux-kernel@vger.kernel.org>
Subject: Re: Writeout in recent kernels/VMs poor compared to last -ac
Date: Sat, 12 Jan 2002 10:29:14 -0500 [thread overview]
Message-ID: <00be01c19b7d$e47e6330$02c8a8c0@kroptech.com> (raw)
In-Reply-To: <009e01c19b7c$463457d0$02c8a8c0@kroptech.com>
Arg... Sorry for the wrapped vmstat output. This should be better...
--Adam
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
0 1 1 0 4408 2712 118756 0 0 0 0 109 16 0 0 100
0 1 1 0 4436 2716 118724 0 0 1 3913 287 13 0 8 92
0 1 0 0 4436 2716 118724 0 0 0 0 118 11 0 0 100
0 0 0 0 4352 2724 118816 0 0 8 0 3639 203 2 28 70
0 0 0 0 4420 2736 118752 0 0 11 0 4530 259 0 33 67
0 0 0 0 4348 2744 118816 0 0 10 0 4273 245 0 42 58
1 0 0 0 4376 2756 118772 0 0 11 0 4551 246 1 39 60
0 1 1 0 4364 2760 118724 0 0 4 6730 1710 93 1 19 80
0 1 1 0 4364 2760 118724 0 0 0 0 108 9 0 0 100
0 1 1 0 4364 2760 118724 0 0 0 3667 117 9 0 2 98
0 1 1 0 4364 2760 118724 0 0 0 0 125 8 0 0 100
1 0 1 0 4364 2760 118724 0 0 0 3819 124 10 0 2 98
0 1 1 0 4372 2760 118704 0 0 0 2055 195 10 0 5 95
0 1 1 0 4372 2760 118704 0 0 0 0 120 6 0 0 100
0 1 1 0 4408 2760 118668 0 0 0 2415 203 16 0 4 96
0 1 1 0 4472 2760 118608 0 0 0 4321 280 18 1 6 93
0 2 1 0 4468 2760 118608 0 0 0 0 112 8 0 0 100
0 1 1 0 4352 2760 118724 0 0 1 3232 227 9 0 10 90
0 1 1 0 4352 2760 118724 0 0 0 0 108 8 0 0 100
0 0 0 0 4440 2768 118696 0 0 7 0 3233 179 1 25 74
1 0 0 0 4448 2776 118680 0 0 11 0 4417 253 0 36 63
-ac, on the other hand, is very smooth (still a noticeable oscillation, but
far more consistent):
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
0 1 0 0 3064 3900 121580 0 0 4 2051 1714 174 0 16 83
0 1 0 0 3064 3904 121576 0 0 3 1572 1331 133 0 10 90
0 1 0 0 3064 3904 121576 0 0 4 2048 1727 163 0 14 86
0 1 0 0 3064 3908 121572 0 0 4 2048 1720 160 0 17 82
0 1 0 0 3064 3912 121568 0 0 3 1536 1312 124 0 12 88
0 1 0 0 3064 3916 121564 0 0 4 2048 1727 168 0 16 84
0 1 1 0 3064 3920 121560 0 0 4 2080 1720 158 0 16 84
0 1 0 0 3064 3924 121556 0 0 3 1536 1314 119 0 12 87
0 1 0 0 3064 3928 121552 0 0 4 2048 1719 160 1 13 86
0 1 1 0 3064 3932 121548 0 0 4 2048 1726 159 1 15 84
0 1 0 0 3064 3936 121544 0 0 3 1536 1327 129 1 12 86
0 1 0 0 3064 3940 121540 0 0 4 2048 1714 159 0 18 82
1 0 1 0 3064 3944 121536 0 0 3 1920 1604 151 0 16 83
0 1 0 0 3064 3944 121536 0 0 4 1696 1429 130 1 13 86
0 1 0 0 3064 3948 121532 0 0 4 2048 1726 159 1 17 82
0 1 0 0 3064 3952 121528 0 0 3 1536 1324 121 0 11 88
0 1 0 0 3064 3956 121524 0 0 4 2051 1722 164 1 15 83
0 0 1 0 3064 3960 121520 0 0 3 1728 1586 139 1 13 86
0 1 0 0 3064 3964 121516 0 0 4 1856 1455 129 1 12 86
0 1 0 0 3064 3968 121512 0 0 4 2052 1717 162 0 17 83
0 1 0 0 3064 3972 121508 0 0 3 1568 1327 131 0 12 88
next prev parent reply other threads:[~2002-01-12 15:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-12 15:17 Writeout in recent kernels/VMs poor compared to last -ac Adam Kropelin
2002-01-12 15:29 ` Adam Kropelin [this message]
2002-01-12 16:03 ` Rik van Riel
2002-01-12 16:30 ` Andrea Arcangeli
2002-01-12 18:19 ` Adam Kropelin
2002-01-12 18:49 ` Jussi Laako
2002-01-12 20:47 ` Jeff Lessem
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