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habanalabs: expand clock throttling information uAPI

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In addition to the clock throttling reason, user should be able
to obtain also the start time and the duration of the throttling
event.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Ofir Bitton
2021-10-25 09:47:04 +03:00
committed by Oded Gabbay
parent 48f3116983
commit 1679c7ee58
6 changed files with 110 additions and 14 deletions
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include/uapi/misc/habanalabs.h
+14 -2
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@@ -473,15 +473,27 @@ struct hl_info_pci_counters {
__u64 replay_cnt;
};
#define HL_CLK_THROTTLE_POWER 0x1
#define HL_CLK_THROTTLE_THERMAL 0x2
enum hl_clk_throttling_type {
HL_CLK_THROTTLE_TYPE_POWER,
HL_CLK_THROTTLE_TYPE_THERMAL,
HL_CLK_THROTTLE_TYPE_MAX
};
/* clk_throttling_reason masks */
#define HL_CLK_THROTTLE_POWER (1 << HL_CLK_THROTTLE_TYPE_POWER)
#define HL_CLK_THROTTLE_THERMAL (1 << HL_CLK_THROTTLE_TYPE_THERMAL)
/**
* struct hl_info_clk_throttle - clock throttling reason
* @clk_throttling_reason: each bit represents a clk throttling reason
* @clk_throttling_timestamp_us: represents CPU timestamp in microseconds of the start-event
* @clk_throttling_duration_ns: the clock throttle time in nanosec
*/
struct hl_info_clk_throttle {
__u32 clk_throttling_reason;
__u32 pad;
__u64 clk_throttling_timestamp_us[HL_CLK_THROTTLE_TYPE_MAX];
__u64 clk_throttling_duration_ns[HL_CLK_THROTTLE_TYPE_MAX];
};
/**