linux-kernel - Re: [PATCH 1/2 v2] perf intel-pt/bts: remove unused SAMPLE

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Message-ID: <20170616162723.GK3645@kernel.org>
Date:   Fri, 16 Jun 2017 13:27:23 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Kim Phillips <kim.phillips@....com>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2 v2] perf intel-pt/bts: remove unused SAMPLE_SIZE
 defines and bts priv array

Em Fri, Jun 16, 2017 at 11:23:39AM -0500, Kim Phillips escreveu:
> These defines were probably dragged in from sampling support in earlier
> patches.  They can be put back when needed.

Applied.

Ah, please capitalize the first word after the : in the summary, i.e.:

  [PATCH 1/2 v2] perf intel-pt/bts: Remove unused SAMPLE_SIZE

Thanks,

- Arnaldo
 
> Acked-by: Adrian Hunter <adrian.hunter@...el.com>
> Signed-off-by: Kim Phillips <kim.phillips@....com>
> ---
> v2: addressed Ingo's comment by populating changelog with Adrian's
> explanation of why they were unused
> 
>  tools/perf/arch/x86/util/intel-bts.c | 4 ----
>  tools/perf/arch/x86/util/intel-pt.c  | 4 ----
>  tools/perf/util/intel-bts.c          | 2 --
>  3 files changed, 10 deletions(-)
> 
> diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
> index af2bce7a2cd6..781df40b2966 100644
> --- a/tools/perf/arch/x86/util/intel-bts.c
> +++ b/tools/perf/arch/x86/util/intel-bts.c
> @@ -35,10 +35,6 @@
>  #define KiB_MASK(x) (KiB(x) - 1)
>  #define MiB_MASK(x) (MiB(x) - 1)
>  
> -#define INTEL_BTS_DFLT_SAMPLE_SIZE	KiB(4)
> -
> -#define INTEL_BTS_MAX_SAMPLE_SIZE	KiB(60)
> -
>  struct intel_bts_snapshot_ref {
>  	void	*ref_buf;
>  	size_t	ref_offset;
> diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
> index f630de0206a1..6fe667b3269e 100644
> --- a/tools/perf/arch/x86/util/intel-pt.c
> +++ b/tools/perf/arch/x86/util/intel-pt.c
> @@ -40,10 +40,6 @@
>  #define KiB_MASK(x) (KiB(x) - 1)
>  #define MiB_MASK(x) (MiB(x) - 1)
>  
> -#define INTEL_PT_DEFAULT_SAMPLE_SIZE	KiB(4)
> -
> -#define INTEL_PT_MAX_SAMPLE_SIZE	KiB(60)
> -
>  #define INTEL_PT_PSB_PERIOD_NEAR	256
>  
>  struct intel_pt_snapshot_ref {
> diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
> index b2834ac7b1f5..218ee2bac9a5 100644
> --- a/tools/perf/util/intel-bts.c
> +++ b/tools/perf/util/intel-bts.c
> @@ -866,8 +866,6 @@ static void intel_bts_print_info(u64 *arr, int start, int finish)
>  		fprintf(stdout, intel_bts_info_fmts[i], arr[i]);
>  }
>  
> -u64 intel_bts_auxtrace_info_priv[INTEL_BTS_AUXTRACE_PRIV_SIZE];
> -
>  int intel_bts_process_auxtrace_info(union perf_event *event,
>  				    struct perf_session *session)
>  {
> -- 
> 2.11.0