diff options
| author | Maciej Falkowski <maciej.falkowski@linux.intel.com> | 2025-01-07 20:32:27 +0300 |
|---|---|---|
| committer | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2025-01-09 11:35:44 +0300 |
| commit | 7bfc9fa99580b9b94da1c4cdcdebe3f792c1fe40 (patch) | |
| tree | 0643493b44e82fe9312d03446c5f23ec15ab00af | |
| parent | 5bbccadaf33eea2b879d8326ad59ae0663be47d1 (diff) | |
| download | linux-7bfc9fa99580b9b94da1c4cdcdebe3f792c1fe40.tar.xz | |
accel/ivpu: Expose NPU memory utilization info in sysfs
Expose NPU memory utilization info in sysfs in bytes
to show total memory used by NPU (FW + runtime).
Signed-off-by: Maciej Falkowski <maciej.falkowski@linux.intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250107173238.381120-5-maciej.falkowski@linux.intel.com
| -rw-r--r-- | drivers/accel/ivpu/ivpu_sysfs.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/accel/ivpu/ivpu_sysfs.c b/drivers/accel/ivpu/ivpu_sysfs.c index 8a616791c32f..97102feaf8dd 100644 --- a/drivers/accel/ivpu/ivpu_sysfs.c +++ b/drivers/accel/ivpu/ivpu_sysfs.c @@ -7,11 +7,14 @@ #include <linux/err.h> #include "ivpu_drv.h" +#include "ivpu_gem.h" #include "ivpu_fw.h" #include "ivpu_hw.h" #include "ivpu_sysfs.h" -/* +/** + * DOC: npu_busy_time_us + * * npu_busy_time_us is the time that the device spent executing jobs. * The time is counted when and only when there are jobs submitted to firmware. * @@ -43,6 +46,30 @@ npu_busy_time_us_show(struct device *dev, struct device_attribute *attr, char *b static DEVICE_ATTR_RO(npu_busy_time_us); /** + * DOC: npu_memory_utilization + * + * The npu_memory_utilization is used to report in bytes a current NPU memory utilization. + * + */ +static ssize_t +npu_memory_utilization_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct drm_device *drm = dev_get_drvdata(dev); + struct ivpu_device *vdev = to_ivpu_device(drm); + struct ivpu_bo *bo; + u64 total_npu_memory = 0; + + mutex_lock(&vdev->bo_list_lock); + list_for_each_entry(bo, &vdev->bo_list, bo_list_node) + total_npu_memory += bo->base.base.size; + mutex_unlock(&vdev->bo_list_lock); + + return sysfs_emit(buf, "%lld\n", total_npu_memory); +} + +static DEVICE_ATTR_RO(npu_memory_utilization); + +/** * DOC: sched_mode * * The sched_mode is used to report current NPU scheduling mode. @@ -65,6 +92,7 @@ static DEVICE_ATTR_RO(sched_mode); static struct attribute *ivpu_dev_attrs[] = { &dev_attr_npu_busy_time_us.attr, + &dev_attr_npu_memory_utilization.attr, &dev_attr_sched_mode.attr, NULL, }; |