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| author | Lucas Stach <l.stach@pengutronix.de> | 2023-02-01 18:26:09 +0300 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2023-02-07 22:49:55 +0300 |
| commit | 97804a133c681ed9af7696902508e1ec4d75552a (patch) | |
| tree | 73e12ce3303f7583f902a66cc61f5e47d7af8ae6 /drivers/gpu/drm/etnaviv/etnaviv_drv.c | |
| parent | d306788b6e1bc9df1cc427f7db5921e7ecb29369 (diff) | |
| download | linux-97804a133c681ed9af7696902508e1ec4d75552a.tar.xz | |
drm/etnaviv: export client GPU usage statistics via fdinfo
This exposes a accumulated GPU active time per client via the
fdinfo infrastructure.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_drv.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_drv.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c index 31a7f59ccb49..44ca803237a5 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c @@ -22,6 +22,7 @@ #include "etnaviv_gem.h" #include "etnaviv_mmu.h" #include "etnaviv_perfmon.h" +#include "common.xml.h" /* * DRM operations: @@ -475,7 +476,47 @@ static const struct drm_ioctl_desc etnaviv_ioctls[] = { ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_RENDER_ALLOW), }; -DEFINE_DRM_GEM_FOPS(fops); +static void etnaviv_fop_show_fdinfo(struct seq_file *m, struct file *f) +{ + struct drm_file *file = f->private_data; + struct drm_device *dev = file->minor->dev; + struct etnaviv_drm_private *priv = dev->dev_private; + struct etnaviv_file_private *ctx = file->driver_priv; + + /* + * For a description of the text output format used here, see + * Documentation/gpu/drm-usage-stats.rst. + */ + seq_printf(m, "drm-driver:\t%s\n", dev->driver->name); + seq_printf(m, "drm-client-id:\t%u\n", ctx->id); + + for (int i = 0; i < ETNA_MAX_PIPES; i++) { + struct etnaviv_gpu *gpu = priv->gpu[i]; + char engine[10] = "UNK"; + int cur = 0; + + if (!gpu) + continue; + + if (gpu->identity.features & chipFeatures_PIPE_2D) + cur = snprintf(engine, sizeof(engine), "2D"); + if (gpu->identity.features & chipFeatures_PIPE_3D) + cur = snprintf(engine + cur, sizeof(engine) - cur, + "%s3D", cur ? "/" : ""); + if (gpu->identity.nn_core_count > 0) + cur = snprintf(engine + cur, sizeof(engine) - cur, + "%sNN", cur ? "/" : ""); + + seq_printf(m, "drm-engine-%s:\t%llu ns\n", engine, + ctx->sched_entity[i].elapsed_ns); + } +} + +static const struct file_operations fops = { + .owner = THIS_MODULE, + DRM_GEM_FOPS, + .show_fdinfo = etnaviv_fop_show_fdinfo, +}; static const struct drm_driver etnaviv_drm_driver = { .driver_features = DRIVER_GEM | DRIVER_RENDER, |