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 /include | |
| parent | 1f7ef4bf41c7c2abad3d21b8c69db11fc3ebc4f5 (diff) | |
| download | lwn-e307b302be8beb7fb59aa16621d5081b69397076.tar.gz lwn-e307b302be8beb7fb59aa16621d5081b69397076.zip | |
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 'include')
| -rw-r--r-- | include/uapi/misc/habanalabs.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h index a47485a8d411..a47a731e4527 100644 --- a/include/uapi/misc/habanalabs.h +++ b/include/uapi/misc/habanalabs.h @@ -313,6 +313,7 @@ enum hl_device_status { * HL_INFO_SYNC_MANAGER - Retrieve sync manager info per dcore * HL_INFO_TOTAL_ENERGY - Retrieve total energy consumption * HL_INFO_PLL_FREQUENCY - Retrieve PLL frequency + * HL_INFO_OPEN_STATS - Retrieve info regarding recent device open calls */ #define HL_INFO_HW_IP_INFO 0 #define HL_INFO_HW_EVENTS 1 @@ -331,6 +332,7 @@ enum hl_device_status { #define HL_INFO_TOTAL_ENERGY 15 #define HL_INFO_PLL_FREQUENCY 16 #define HL_INFO_POWER 17 +#define HL_INFO_OPEN_STATS 18 #define HL_INFO_VERSION_MAX_LEN 128 #define HL_INFO_CARD_NAME_MAX_LEN 16 @@ -445,6 +447,16 @@ struct hl_pll_frequency_info { }; /** + * struct hl_open_stats_info - device open statistics information + * @open_counter: ever growing counter, increased on each successful dev open + * @last_open_period_ms: duration (ms) device was open last time + */ +struct hl_open_stats_info { + __u64 open_counter; + __u64 last_open_period_ms; +}; + +/** * struct hl_power_info - power information * @power: power consumption */ |