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accel/ivpu: Expose NPU memory utilization info in sysfs

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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
This commit is contained in:
Maciej Falkowski
2025-01-07 18:32:27 +01:00
committed by Jacek Lawrynowicz
parent 5bbccadaf3
commit 7bfc9fa995
1 changed files with 29 additions and 1 deletions
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30
drivers/accel/ivpu/ivpu_sysfs.c
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@@ -7,11 +7,14 @@
#include <linux/err.h> #include <linux/err.h>
#include "ivpu_drv.h" #include "ivpu_drv.h"
#include "ivpu_gem.h"
#include "ivpu_fw.h" #include "ivpu_fw.h"
#include "ivpu_hw.h" #include "ivpu_hw.h"
#include "ivpu_sysfs.h" #include "ivpu_sysfs.h"
/* /**
* DOC: npu_busy_time_us
*
* npu_busy_time_us is the time that the device spent executing jobs. * 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. * 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); 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 * DOC: sched_mode
* *
@@ -65,6 +92,7 @@ static DEVICE_ATTR_RO(sched_mode);
static struct attribute *ivpu_dev_attrs[] = { static struct attribute *ivpu_dev_attrs[] = {
&dev_attr_npu_busy_time_us.attr, &dev_attr_npu_busy_time_us.attr,
&dev_attr_npu_memory_utilization.attr,
&dev_attr_sched_mode.attr, &dev_attr_sched_mode.attr,
NULL, NULL,
}; };