linux-kernel - Re: [PATCH 4/6] perf cs-etm: Update OpenCSD decoder for ETE

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Date:   Sat, 31 Jul 2021 14:50:12 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     James Clark <james.clark@....com>
Cc:     acme@...nel.org, mathieu.poirier@...aro.org,
        coresight@...ts.linaro.org, al.grant@....com,
        suzuki.poulose@....com, anshuman.khandual@....com,
        mike.leach@...aro.org, John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH 4/6] perf cs-etm: Update OpenCSD decoder for ETE

On Wed, Jul 21, 2021 at 10:07:03AM +0100, James Clark wrote:
> OpenCSD v1.1.1 has a bug fix for the installation of the ETE decoder
> headers. This also means that including headers separately for each
> decoder is unnecessary so remove these.
> 
> Signed-off-by: James Clark <james.clark@....com>

IIUC, only the later patches in this patch set are dependent on OpenCSD
v1.1.1.  After I checked OpenCSD latest header, this change LGTM:

Reviewed-by: Leo Yan <leo.yan@...aro.org>

> ---
>  tools/build/feature/test-libopencsd.c           | 4 ++--
>  tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 2 --
>  2 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/tools/build/feature/test-libopencsd.c b/tools/build/feature/test-libopencsd.c
> index 52c790b0317b..eb6303ff446e 100644
> --- a/tools/build/feature/test-libopencsd.c
> +++ b/tools/build/feature/test-libopencsd.c
> @@ -4,9 +4,9 @@
>  /*
>   * Check OpenCSD library version is sufficient to provide required features
>   */
> -#define OCSD_MIN_VER ((1 << 16) | (0 << 8) | (0))
> +#define OCSD_MIN_VER ((1 << 16) | (1 << 8) | (1))
>  #if !defined(OCSD_VER_NUM) || (OCSD_VER_NUM < OCSD_MIN_VER)
> -#error "OpenCSD >= 1.0.0 is required"
> +#error "OpenCSD >= 1.1.1 is required"
>  #endif
>  
>  int main(void)
> diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
> index 5972a8afcc6b..60147c908425 100644
> --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
> +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
> @@ -13,8 +13,6 @@
>  #include <linux/zalloc.h>
>  #include <stdlib.h>
>  #include <opencsd/c_api/opencsd_c_api.h>
> -#include <opencsd/etmv4/trc_pkt_types_etmv4.h>
> -#include <opencsd/ocsd_if_types.h>
>  
>  #include "cs-etm.h"
>  #include "cs-etm-decoder.h"
> -- 
> 2.28.0
>