On Fri, Jan 08, 2021 at 04:27:52PM +0200, James Clark wrote:
> Replace the OCSD_INSTR switch statement with an if to
> fix compilation error about unhandled values and avoid
> this issue again in the future.
> 
> Add new OCSD_GEN_TRC_ELEM_SYNC_MARKER and
> OCSD_GEN_TRC_ELEM_MEMTRANS enum values to fix unhandled
> value compilation error. Currently they are ignored.
> 
> Increase the minimum version number to v1.0.0 now
> that new enum values are used that are only present
> in this version.
> 
> Signed-off-by: James Clark <[email protected]>
> Cc: John Garry <[email protected]>
> Cc: Will Deacon <[email protected]>
> Cc: Mathieu Poirier <[email protected]>
> Cc: Leo Yan <[email protected]>
> Cc: Suzuki K Poulose <[email protected]>
> Cc: Mike Leach <[email protected]>
> Cc: Al Grant <[email protected]>
> Cc: Peter Zijlstra <[email protected]>
> Cc: Ingo Molnar <[email protected]>
> Cc: Arnaldo Carvalho de Melo <[email protected]>
> Cc: Mark Rutland <[email protected]>
> Cc: Alexander Shishkin <[email protected]>
> Cc: Jiri Olsa <[email protected]>
> Cc: Namhyung Kim <[email protected]>
> ---
>  tools/build/feature/test-libopencsd.c           |  4 ++--
>  tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 15 ++++-----------
>  2 files changed, 6 insertions(+), 13 deletions(-)
> 
> diff --git a/tools/build/feature/test-libopencsd.c 
> b/tools/build/feature/test-libopencsd.c
> index 1547bc2c0950..52c790b0317b 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 ((0 << 16) | (14 << 8) | (0))
> +#define OCSD_MIN_VER ((1 << 16) | (0 << 8) | (0))
>  #if !defined(OCSD_VER_NUM) || (OCSD_VER_NUM < OCSD_MIN_VER)
> -#error "OpenCSD >= 0.14.0 is required"
> +#error "OpenCSD >= 1.0.0 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 cd007cc9c283..3f4bc4050477 100644
> --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
> +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
> @@ -419,19 +419,10 @@ cs_etm_decoder__buffer_range(struct cs_etm_queue *etmq,
>       packet->last_instr_subtype = elem->last_i_subtype;
>       packet->last_instr_cond = elem->last_instr_cond;
>  
> -     switch (elem->last_i_type) {
> -     case OCSD_INSTR_BR:
> -     case OCSD_INSTR_BR_INDIRECT:
> +     if (elem->last_i_type == OCSD_INSTR_BR || elem->last_i_type == 
> OCSD_INSTR_BR_INDIRECT)
>               packet->last_instr_taken_branch = elem->last_instr_exec;
> -             break;
> -     case OCSD_INSTR_ISB:
> -     case OCSD_INSTR_DSB_DMB:
> -     case OCSD_INSTR_WFI_WFE:
> -     case OCSD_INSTR_OTHER:
> -     default:
> +     else
>               packet->last_instr_taken_branch = false;
> -             break;
> -     }
>  
>       packet->last_instr_size = elem->last_instr_sz;
>  
> @@ -572,6 +563,8 @@ static ocsd_datapath_resp_t 
> cs_etm_decoder__gen_trace_elem_printer(
>       case OCSD_GEN_TRC_ELEM_EVENT:
>       case OCSD_GEN_TRC_ELEM_SWTRACE:
>       case OCSD_GEN_TRC_ELEM_CUSTOM:
> +     case OCSD_GEN_TRC_ELEM_SYNC_MARKER:
> +     case OCSD_GEN_TRC_ELEM_MEMTRANS:
>       default:
>               break;

Reviewed-by: Mathieu Poirier <[email protected]>

Arnaldo please consider.

Thanks,
Mathieu

>       }
> -- 
> 2.28.0
> 

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