linux-kernel - Re: [PATCH] perf: Bump max number of cpus to 1024

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Message-ID: <20150324162126.GK5447@kernel.org>
Date:	Tue, 24 Mar 2015 13:21:26 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	David Ahern <david.ahern@...cle.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf: Bump max number of cpus to 1024

Em Tue, Mar 24, 2015 at 12:10:38PM -0400, David Ahern escreveu:
> SPARC based systems currently support up to 1024 cpus (e.g. T5-8).
> Allow perf to work on those systems.
> 
> Signed-off-by: David Ahern <david.ahern@...cle.com>
> ---
>  tools/perf/perf.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/perf.h b/tools/perf/perf.h
> index ee847c8af668..77c8857da123 100644
> --- a/tools/perf/perf.h
> +++ b/tools/perf/perf.h
> @@ -29,7 +29,7 @@ static inline unsigned long long rdclock(void)
>  	return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
>  }
>  
> -#define MAX_NR_CPUS			256
> +#define MAX_NR_CPUS			1024

Humm, what do we have that still use this stuff? /me goes to check...
  
>  extern const char *input_name;
>  extern bool perf_host, perf_guest;
> -- 
> 2.2.1
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