linux-kernel - Re: perf object code reading test crashes

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Message-ID: <20160218143600.GE9909@kernel.org>
Date:	Thu, 18 Feb 2016 11:36:00 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Steven Noonan <steven@...inklabs.net>
Cc:	Linux Kernel mailing List <linux-kernel@...r.kernel.org>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: Re: perf object code reading test crashes

Em Thu, Feb 18, 2016 at 11:27:27AM -0300, Arnaldo Carvalho de Melo escreveu:
> Oops, guess this is the problem, and I also think we don't need more than 1 hz
> in this test if even that :-\
> 
> So, try the patch at the end of this message, with it and with I get:

Ok, so this test actually process samples, so please just replace that
with a lower freq, say 10.

> diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
> index 313a48c6b2bc..a984accdaa74 100644
> --- a/tools/perf/tests/code-reading.c
> +++ b/tools/perf/tests/code-reading.c
> @@ -439,7 +439,6 @@ static int do_test_code_reading(bool try_kcore)
>  		.mmap_pages	     = UINT_MAX,
>  		.user_freq	     = UINT_MAX,
>  		.user_interval	     = ULLONG_MAX,
> -		.freq		     = 4000,
>  		.target		     = {
>  			.uses_mmap   = true,
>  		},