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etnaviv: support performance monitor requests 

Add etna_cmd_stream_perf(..) to submit perform requests.
Userspace can submit pmrs via submit ioctl to sample perfmon
signals.

v3:
 - mark perfmon bos as RW

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
main
Christian Gmeiner 2017-12-15 08:43:40 +01:00
parent 305c1d113c
commit 6a6b7432bf
4 changed files with 37 additions and 0 deletions
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1
etnaviv/etnaviv-symbol-check
View File

@ -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

20
etnaviv/etnaviv_cmd_stream.c
View File

@ -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);
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 | ETNA_SUBMIT_BO_WRITE);
pmr->domain = p->signal->domain->id;
pmr->signal = p->signal->signal;
}

12
etnaviv/etnaviv_drmif.h
View File

@ -201,4 +201,16 @@ 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_ */

4
etnaviv/etnaviv_priv.h
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@ -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: */