* [PATCH] xenalyze: increase MAX_CPUS
@ 2011-07-12 12:16 Olaf Hering
2011-07-14 11:53 ` George Dunlap
0 siblings, 1 reply; 2+ messages in thread
From: Olaf Hering @ 2011-07-12 12:16 UTC (permalink / raw)
To: George Dunlap; +Cc: xen-devel
# HG changeset patch
# User Olaf Hering <olaf@aepfle.de>
# Date 1310472861 -7200
# Node ID 1d7a842aecc538c794c78db93d141cdc5683882c
# Parent 275dd17a6a36023ffa4e25f1b0d358c22af098b8
xenalyze: increase MAX_CPUS
On a large system xenalyze will refuse to process the trace file because it
has an hardcoded limit of 32 cpus. The default of NR_CPUS in xen-unstable is
128. Increase the limit to match xen-unstable and also add an option to
override the macro with a gcc cmdline option.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
diff -r 275dd17a6a36 -r 1d7a842aecc5 xenalyze.c
--- a/xenalyze.c
+++ b/xenalyze.c
@@ -1618,7 +1618,9 @@ struct cr3_value_struct {
} destroy;
};
-#define MAX_CPUS 32
+#ifndef MAX_CPUS
+#define MAX_CPUS 128
+#endif
typedef uint32_t cpu_mask_t;
#define IDLE_DOMAIN 32767
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] xenalyze: increase MAX_CPUS
2011-07-12 12:16 [PATCH] xenalyze: increase MAX_CPUS Olaf Hering
@ 2011-07-14 11:53 ` George Dunlap
0 siblings, 0 replies; 2+ messages in thread
From: George Dunlap @ 2011-07-14 11:53 UTC (permalink / raw)
To: Olaf Hering; +Cc: George Dunlap, xen-devel@lists.xensource.com
Applied, thanks.
-George
On Tue, 2011-07-12 at 13:16 +0100, Olaf Hering wrote:
> # HG changeset patch
> # User Olaf Hering <olaf@aepfle.de>
> # Date 1310472861 -7200
> # Node ID 1d7a842aecc538c794c78db93d141cdc5683882c
> # Parent 275dd17a6a36023ffa4e25f1b0d358c22af098b8
> xenalyze: increase MAX_CPUS
>
> On a large system xenalyze will refuse to process the trace file because it
> has an hardcoded limit of 32 cpus. The default of NR_CPUS in xen-unstable is
> 128. Increase the limit to match xen-unstable and also add an option to
> override the macro with a gcc cmdline option.
>
> Signed-off-by: Olaf Hering <olaf@aepfle.de>
>
> diff -r 275dd17a6a36 -r 1d7a842aecc5 xenalyze.c
> --- a/xenalyze.c
> +++ b/xenalyze.c
> @@ -1618,7 +1618,9 @@ struct cr3_value_struct {
> } destroy;
> };
>
> -#define MAX_CPUS 32
> +#ifndef MAX_CPUS
> +#define MAX_CPUS 128
> +#endif
> typedef uint32_t cpu_mask_t;
>
> #define IDLE_DOMAIN 32767
^ permalink raw reply [flat|nested] 2+ messages in thread
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