* (no subject)
@ 2002-09-14 12:39 Paolo Ciarrocchi
2002-09-14 12:53 ` System response benchmarks in performance patches Con Kolivas
2002-09-14 17:05 ` your mail Rik van Riel
0 siblings, 2 replies; 3+ messages in thread
From: Paolo Ciarrocchi @ 2002-09-14 12:39 UTC (permalink / raw)
To: linux-kernel; +Cc: conman
[...]
>http://kernel.kolivas.net under the FAQ. A final >reminder note: it won't work on
>2.5.x
Con,
I think that only the _memload_ test is not
working with 2.5.*, am I wrong?
Paolo
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: System response benchmarks in performance patches
2002-09-14 12:39 Paolo Ciarrocchi
@ 2002-09-14 12:53 ` Con Kolivas
2002-09-14 17:05 ` your mail Rik van Riel
1 sibling, 0 replies; 3+ messages in thread
From: Con Kolivas @ 2002-09-14 12:53 UTC (permalink / raw)
To: Paolo Ciarrocchi; +Cc: linux-kernel
Quoting Paolo Ciarrocchi <ciarrocchi@linuxmail.org>:
> [...]
> >http://kernel.kolivas.net under the FAQ. A final >reminder note: it won't
> work on
> >2.5.x
>
> Con,
> I think that only the _memload_ test is not
> working with 2.5.*, am I wrong?
Correct. memload determines the amount of memory to allocate based on
/proc/meminfo which has changed in 2.5.x
Thanks for doing the 2.5.34 tests. They are promising results.
Con.
P.S. How does 2.4.19-ck7 compare ;-)
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: your mail
2002-09-14 12:39 Paolo Ciarrocchi
2002-09-14 12:53 ` System response benchmarks in performance patches Con Kolivas
@ 2002-09-14 17:05 ` Rik van Riel
1 sibling, 0 replies; 3+ messages in thread
From: Rik van Riel @ 2002-09-14 17:05 UTC (permalink / raw)
To: Paolo Ciarrocchi; +Cc: linux-kernel, conman
On Sat, 14 Sep 2002, Paolo Ciarrocchi wrote:
> I think that only the _memload_ test is not
> working with 2.5.*, am I wrong?
You're right, the memload test doesn't work with 2.5 but
needs the following patch...
Rik
--
Bravely reimplemented by the knights who say "NIH".
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--- contest-0.1/mem_load.c.orig 2002-09-13 23:36:47.000000000 -0400
+++ contest-0.1/mem_load.c 2002-09-14 11:10:07.000000000 -0400
@@ -47,24 +47,25 @@
switch (type) {
case 0: /* RAM */
- if ((position = strstr(buffer, "Mem:")) == (char *) NULL) {
- fprintf (stderr, "Can't parse \"Mem:\" in /proc/meminfo\n");
+ if ((position = strstr(buffer, "MemTotal:")) == (char *) NULL) {
+ fprintf (stderr, "Can't parse \"MemTotal:\" in /proc/meminfo\n");
exit (-1);
}
- sscanf (position, "Mem: %ul", &size);
+ sscanf (position, "MemTotal: %ul", &size);
break;
case 1:
- if ((position = strstr(buffer, "Swap:")) == (char *) NULL) {
- fprintf (stderr, "Can't parse \"Swap:\" in /proc/meminfo\n");
+ if ((position = strstr(buffer, "SwapTotal:")) == (char *) NULL) {
+ fprintf (stderr, "Can't parse \"SwapTotal:\" in /proc/meminfo\n");
exit (-1);
}
- sscanf (position, "Swap: %ul", &size);
+ sscanf (position, "SwapTotal: %ul", &size);
break;
}
- return (size / MB);
+ /* convert from kB to MB */
+ return (size / KB);
}
--- contest-0.1/mem_load.h.orig 2002-09-14 11:09:28.000000000 -0400
+++ contest-0.1/mem_load.h 2002-09-14 11:09:42.000000000 -0400
@@ -24,6 +24,7 @@
#define MAX_BUF_SIZE 1024 /* size of /proc/meminfo in bytes */
#define MB (1024 * 1024) /* 2^20 bytes */
+#define KB 1024
#define MAX_MEM_IN_MB (1024 * 64) /* 64 GB */
/* Tuning parameter. Increase if you are getting an 'unreasonable' load
^ permalink raw reply [flat|nested] 3+ messages in thread
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