Commit 7bfc9fa9 authored by Maciej Falkowski's avatar Maciej Falkowski Committed by Jacek Lawrynowicz
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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: default avatarMaciej Falkowski <maciej.falkowski@linux.intel.com>
Reviewed-by: default avatarJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: default avatarJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250107173238.381120-5-maciej.falkowski@linux.intel.com
parent 5bbccada

drivers/accel/ivpu/ivpu_sysfs.c

+29 −1
Original line number Diff line number Diff line
@@ -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.

 *
@@ -42,6 +45,30 @@ 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

 *
@@ -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,

};