diff options
| author | Mukul Joshi <mukul.joshi@amd.com> | 2020-05-26 20:06:04 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-05-28 14:00:50 -0400 |
| commit | 32cb59f3136248c40062f6fe3edfba13c516b30c (patch) | |
| tree | 7e939792483f124092634044e087a881e28307b2 /drivers/gpu/drm/amd/amdkfd/kfd_priv.h | |
| parent | 2cdc9c200c8ab71d970f15186934b5b4687f2372 (diff) | |
drm/amdkfd: Track SDMA utilization per process
Track SDMA usage on a per process basis and report it through sysfs.
The value in the sysfs file indicates the amount of time SDMA has
been in-use by this process since the creation of the process.
This value is in microsecond granularity.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_priv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index cde5e4c7caa1..9cba0e1d68b7 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -629,7 +629,14 @@ enum kfd_pdd_bound { PDD_BOUND_SUSPENDED, }; -#define MAX_VRAM_FILENAME_LEN 11 +#define MAX_SYSFS_FILENAME_LEN 11 + +/* + * SDMA counter runs at 100MHz frequency. + * We display SDMA activity in microsecond granularity in sysfs. + * As a result, the divisor is 100. + */ +#define SDMA_ACTIVITY_DIVISOR 100 /* Data that is per-process-per device. */ struct kfd_process_device { @@ -677,7 +684,12 @@ struct kfd_process_device { /* VRAM usage */ uint64_t vram_usage; struct attribute attr_vram; - char vram_filename[MAX_VRAM_FILENAME_LEN]; + char vram_filename[MAX_SYSFS_FILENAME_LEN]; + + /* SDMA activity tracking */ + uint64_t sdma_past_activity_counter; + struct attribute attr_sdma; + char sdma_filename[MAX_SYSFS_FILENAME_LEN]; }; #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) |