diff options
Diffstat (limited to 'drivers/accel/amdxdna/aie.c')
| -rw-r--r-- | drivers/accel/amdxdna/aie.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/accel/amdxdna/aie.c b/drivers/accel/amdxdna/aie.c index dd6f36f222c7..bf8eb66baab8 100644 --- a/drivers/accel/amdxdna/aie.c +++ b/drivers/accel/amdxdna/aie.c @@ -118,6 +118,45 @@ void amdxdna_vbnv_init(struct amdxdna_dev *xdna) amdxdna_update_vbnv(xdna, info->rev_vbnv_tbl, rev); } +void amdxdna_io_stats_job_start(struct amdxdna_client *client) +{ + int depth; + + guard(spinlock)(&client->io_stats.lock); + + depth = client->io_stats.job_depth++; + if (!depth) + client->io_stats.start_time = ktime_get_ns(); +} + +void amdxdna_io_stats_job_done(struct amdxdna_client *client) +{ + u64 busy_ns; + int depth; + + guard(spinlock)(&client->io_stats.lock); + + depth = --client->io_stats.job_depth; + if (!depth) { + busy_ns = ktime_get_ns() - client->io_stats.start_time; + client->io_stats.start_time = 0; + client->io_stats.busy_time += busy_ns; + } +} + +u64 amdxdna_io_stats_busy_time_ns(struct amdxdna_client *client) +{ + u64 busy_ns; + + guard(spinlock)(&client->io_stats.lock); + + busy_ns = client->io_stats.busy_time; + if (client->io_stats.job_depth) + busy_ns += ktime_get_ns() - client->io_stats.start_time; + + return busy_ns; +} + int amdxdna_get_metadata(struct aie_device *aie, struct amdxdna_client *client, struct amdxdna_drm_get_info *args) |