On Fri, Jun 09, 2017 at 12:27:37PM +0200, Christian Gmeiner wrote:
> Add etna_cmd_stream_perf(..) to submit perform requests.
> Userspace can submit pmrs via submit ioctl to sample perfmon
> signals.

Comment in-line.

> Signed-off-by: Christian Gmeiner <[email protected]>
> ---
>  etnaviv/etnaviv-symbol-check |  1 +
>  etnaviv/etnaviv_cmd_stream.c | 20 ++++++++++++++++++++
>  etnaviv/etnaviv_drmif.h      | 12 ++++++++++++
>  etnaviv/etnaviv_priv.h       |  4 ++++
>  4 files changed, 37 insertions(+)
> 
> diff --git a/etnaviv/etnaviv-symbol-check b/etnaviv/etnaviv-symbol-check
> index bd95b45..bc50961 100755
> --- a/etnaviv/etnaviv-symbol-check
> +++ b/etnaviv/etnaviv-symbol-check
> @@ -41,6 +41,7 @@ etna_cmd_stream_timestamp
>  etna_cmd_stream_flush
>  etna_cmd_stream_flush2
>  etna_cmd_stream_finish
> +etna_cmd_stream_perf
>  etna_cmd_stream_reloc
>  etna_perfmon_create
>  etna_perfmon_del
> diff --git a/etnaviv/etnaviv_cmd_stream.c b/etnaviv/etnaviv_cmd_stream.c
> index 8d0e813..d6f26a8 100644
> --- a/etnaviv/etnaviv_cmd_stream.c
> +++ b/etnaviv/etnaviv_cmd_stream.c
> @@ -105,6 +105,7 @@ void etna_cmd_stream_del(struct etna_cmd_stream *stream)
>  
>       free(stream->buffer);
>       free(priv->submit.relocs);
> +     free(priv->submit.pmrs);
>       free(priv);
>  }
>  
> @@ -115,6 +116,7 @@ static void reset_buffer(struct etna_cmd_stream *stream)
>       stream->offset = 0;
>       priv->submit.nr_bos = 0;
>       priv->submit.nr_relocs = 0;
> +     priv->submit.nr_pmrs = 0;
>       priv->nr_bos = 0;
>  
>       if (priv->reset_notify)
> @@ -191,6 +193,8 @@ static void flush(struct etna_cmd_stream *stream, int 
> in_fence_fd,
>               .nr_bos = priv->submit.nr_bos,
>               .relocs = VOID2U64(priv->submit.relocs),
>               .nr_relocs = priv->submit.nr_relocs,
> +             .pmrs = VOID2U64(priv->submit.pmrs),
> +             .nr_pmrs = priv->submit.nr_pmrs,
>               .stream = VOID2U64(stream->buffer),
>               .stream_size = stream->offset * 4, /* in bytes */
>       };
> @@ -260,3 +264,19 @@ void etna_cmd_stream_reloc(struct etna_cmd_stream 
> *stream, const struct etna_rel
>  
>       etna_cmd_stream_emit(stream, addr);
>  }
> +
> +void etna_cmd_stream_perf(struct etna_cmd_stream *stream, const struct 
> etna_perf *p)
> +{
> +     struct etna_cmd_stream_priv *priv = etna_cmd_stream_priv(stream);
> +     struct drm_etnaviv_gem_submit_pmr *pmr;
> +     uint32_t idx = APPEND(&priv->submit, pmrs);

Should we check for realloc() errors here? (or assert priv->submit.pmrs is not 
NULL)

> +
> +     pmr = &priv->submit.pmrs[idx];
> +
> +     pmr->flags = p->flags;
> +     pmr->sequence = p->sequence;
> +     pmr->read_offset = p->offset;
> +     pmr->read_idx = bo2idx(stream, p->bo, ETNA_SUBMIT_BO_READ);
> +     pmr->domain = p->signal->domain->id;
> +     pmr->signal = p->signal->signal;
> +}
> diff --git a/etnaviv/etnaviv_drmif.h b/etnaviv/etnaviv_drmif.h
> index 0a7f6a3..e77a3b2 100644
> --- a/etnaviv/etnaviv_drmif.h
> +++ b/etnaviv/etnaviv_drmif.h
> @@ -200,4 +200,16 @@ void etna_perfmon_del(struct etna_perfmon *perfmon);
>  struct etna_perfmon_domain *etna_perfmon_get_dom_by_name(struct etna_perfmon 
> *pm, const char *name);
>  struct etna_perfmon_signal *etna_perfmon_get_sig_by_name(struct 
> etna_perfmon_domain *dom, const char *name);
>  
> +struct etna_perf {
> +#define ETNA_PM_PROCESS_PRE             0x0001
> +#define ETNA_PM_PROCESS_POST            0x0002
> +     uint32_t flags;
> +     uint32_t sequence;
> +     struct etna_perfmon_signal *signal;
> +     struct etna_bo *bo;
> +     uint32_t offset;
> +};
> +
> +void etna_cmd_stream_perf(struct etna_cmd_stream *stream, const struct 
> etna_perf *p);
> +
>  #endif /* ETNAVIV_DRMIF_H_ */
> diff --git a/etnaviv/etnaviv_priv.h b/etnaviv/etnaviv_priv.h
> index 37ffd80..60e65ec 100644
> --- a/etnaviv/etnaviv_priv.h
> +++ b/etnaviv/etnaviv_priv.h
> @@ -140,6 +140,10 @@ struct etna_cmd_stream_priv {
>               /* reloc's table: */
>               struct drm_etnaviv_gem_submit_reloc *relocs;
>               uint32_t nr_relocs, max_relocs;
> +
> +             /* perf's table: */
> +             struct drm_etnaviv_gem_submit_pmr *pmrs;
> +             uint32_t nr_pmrs, max_pmrs;
>       } submit;
>  
>       /* should have matching entries in submit.bos: */
> -- 
> 2.9.4
> 
> _______________________________________________
> etnaviv mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/etnaviv
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