diff options
author | Konsta Holtta <kholtta@nvidia.com> | 2017-06-15 03:58:32 -0400 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-06-19 11:35:04 -0400 |
commit | 571c7c2fb37176671d55f004df4ed1055f7e8cb1 (patch) | |
tree | ea249cf7e46a86bb5b70f6478886b8b45ccc6e01 /drivers/gpu/nvgpu/include | |
parent | d84d7f8694562628e1ab41fd09d08b68f59e0b30 (diff) |
gpu: nvgpu: add a simple time API
Add nvgpu_current_time_ms() to return a time from a monotonic clock
source in milliseconds. The start time is unspecified; this API is meant
to be used for duration measurements.
Jira NVGPU-83
Change-Id: I135c8ee88283149422a68d5fa859241eebbd6459
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1503001
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/include')
-rw-r--r-- | drivers/gpu/nvgpu/include/nvgpu/timers.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/include/nvgpu/timers.h b/drivers/gpu/nvgpu/include/nvgpu/timers.h index 0aadd0df..be903e54 100644 --- a/drivers/gpu/nvgpu/include/nvgpu/timers.h +++ b/drivers/gpu/nvgpu/include/nvgpu/timers.h | |||
@@ -17,6 +17,8 @@ | |||
17 | #ifndef __NVGPU_TIMERS_H__ | 17 | #ifndef __NVGPU_TIMERS_H__ |
18 | #define __NVGPU_TIMERS_H__ | 18 | #define __NVGPU_TIMERS_H__ |
19 | 19 | ||
20 | #include <nvgpu/types.h> | ||
21 | |||
20 | struct gk20a; | 22 | struct gk20a; |
21 | 23 | ||
22 | /* | 24 | /* |
@@ -97,4 +99,9 @@ void nvgpu_msleep(unsigned int msecs); | |||
97 | void nvgpu_usleep_range(unsigned int min_us, unsigned int max_us); | 99 | void nvgpu_usleep_range(unsigned int min_us, unsigned int max_us); |
98 | void nvgpu_udelay(unsigned int usecs); | 100 | void nvgpu_udelay(unsigned int usecs); |
99 | 101 | ||
102 | /* | ||
103 | * Timekeeping. | ||
104 | */ | ||
105 | s64 nvgpu_current_time_ms(void); | ||
106 | |||
100 | #endif | 107 | #endif |