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| author | Srivatsa Vaddagiri <vatsa@codeaurora.org> | 2014-03-31 19:42:27 -0700 |
|---|---|---|
| committer | Pavankumar Kondeti <pkondeti@codeaurora.org> | 2016-09-30 12:29:08 +0530 |
| commit | 4ac03df1e16b160b0630c38661eb7fc19e324912 (patch) | |
| tree | 15ebbc4c607fb437f3e1fcc78120d89fe2060e34 /tools/perf/scripts/python | |
| parent | 46692be6dd06ce405cb09cf8338b1f0edbbfb295 (diff) | |
arm: topology: Define arch_get_cpu_efficiency() API for scheduler
On a HMP system, scheduler needs to know efficiency factor
(instructions-per-cycle) for various cpus. This is so that scheduler
can estimate bandwidth consumption of tasks on each cpu, based on
their efficiency factor.
This patch defines arch_get_cpu_efficiency() API in ARM32 architecture.
It depends on hard-coded "efficiency" factor for various cpu types
(available in 'table_efficiency' data structure) and device-tree
providing information on cpu-type for every cpu.
Change-Id: I561bace8a813a35a9fc624fca4861c5b1109b69b
Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions