diff options
| author | Yuri Nudelman <ynudelman@habana.ai> | 2021-05-24 11:25:21 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-06-18 15:23:42 +0300 |
| commit | e307b302be8beb7fb59aa16621d5081b69397076 (patch) | |
| tree | ae97590323570265c1d6de197c99c64f245d5cd8 /drivers/misc/habanalabs/common/habanalabs_drv.c | |
| parent | 1f7ef4bf41c7c2abad3d21b8c69db11fc3ebc4f5 (diff) | |
habanalabs: added open_stats info ioctl
In a system with multiple ASICs, there is a need to provide monitoring
tools with information on how long a device was opened and how many
times a device was opened.
Therefore, we add a new opcode to the INFO ioctl to provide that
information.
Signed-off-by: Yuri Nudelman <ynudelman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/common/habanalabs_drv.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs_drv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/habanalabs_drv.c b/drivers/misc/habanalabs/common/habanalabs_drv.c index 4d377a39df13..4194cda2d04c 100644 --- a/drivers/misc/habanalabs/common/habanalabs_drv.c +++ b/drivers/misc/habanalabs/common/habanalabs_drv.c @@ -187,6 +187,9 @@ int hl_device_open(struct inode *inode, struct file *filp) hl_debugfs_add_file(hpriv); + hdev->open_counter++; + hdev->last_successful_open_jif = jiffies; + return 0; out_err: |