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Diffstat (limited to 'include/nvgpu/ptimer.h')
-rw-r--r-- | include/nvgpu/ptimer.h | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/include/nvgpu/ptimer.h b/include/nvgpu/ptimer.h deleted file mode 100644 index 3369eb2..0000000 --- a/include/nvgpu/ptimer.h +++ /dev/null | |||
@@ -1,55 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved. | ||
3 | * | ||
4 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
5 | * copy of this software and associated documentation files (the "Software"), | ||
6 | * to deal in the Software without restriction, including without limitation | ||
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
8 | * and/or sell copies of the Software, and to permit persons to whom the | ||
9 | * Software is furnished to do so, subject to the following conditions: | ||
10 | * | ||
11 | * The above copyright notice and this permission notice shall be included in | ||
12 | * all copies or substantial portions of the Software. | ||
13 | * | ||
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
17 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
20 | * DEALINGS IN THE SOFTWARE. | ||
21 | */ | ||
22 | #ifndef NVGPU_PTIMER_H | ||
23 | #define NVGPU_PTIMER_H | ||
24 | |||
25 | #include <nvgpu/types.h> | ||
26 | |||
27 | struct gk20a; | ||
28 | |||
29 | struct nvgpu_cpu_time_correlation_sample { | ||
30 | u64 cpu_timestamp; | ||
31 | u64 gpu_timestamp; | ||
32 | }; | ||
33 | |||
34 | /* PTIMER_REF_FREQ_HZ corresponds to a period of 32 nanoseconds. | ||
35 | 32 ns is the resolution of ptimer. */ | ||
36 | #define PTIMER_REF_FREQ_HZ 31250000 | ||
37 | |||
38 | static inline u32 ptimer_scalingfactor10x(u32 ptimer_src_freq) | ||
39 | { | ||
40 | return (u32)(((u64)(PTIMER_REF_FREQ_HZ * 10)) / ptimer_src_freq); | ||
41 | } | ||
42 | |||
43 | static inline u32 scale_ptimer(u32 timeout , u32 scale10x) | ||
44 | { | ||
45 | if (((timeout*10) % scale10x) >= (scale10x/2)) { | ||
46 | return ((timeout * 10) / scale10x) + 1; | ||
47 | } else { | ||
48 | return (timeout * 10) / scale10x; | ||
49 | } | ||
50 | } | ||
51 | |||
52 | int nvgpu_get_timestamps_zipper(struct gk20a *g, | ||
53 | u32 source_id, u32 count, | ||
54 | struct nvgpu_cpu_time_correlation_sample *samples); | ||
55 | #endif | ||