Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1302480

[PATCH v3 0/4] thermal: re-calculate k_po/k_pu when update sustainable power

Show all headers | View raw

k_po/k_pu are two proportional term constants and essentially they have
fixed ratio compared with sustainable power. In current implementation,
k_po and k_pu are absolute value after calculation and cannot represent
the ratio relationship with sustainable power; as a result, when change
sustainable power we cannot smoothly change proportional term constant.

So this patch series introduces k_po_ratio and k_pu_ratio, which
represent the ratio value compared against sustainable power. Also add
sys file system nodes for them for easily update them from userspace and
update a bit in documentation.

Changes from v2:
* According to Eduardo' comments, move code from thermal_core to
  power_allocator file
* According to Daniel's review, v1 will introduce accumulated rounding
  errors; v2 patches can dismiss this issue

Changes from v1:
* Fix compiling error

Leo Yan (4):
  thermal: power_allocator: rework proportional parameter
  thermal: power_allocator: change k_pu_ratio/k_po_ratio as percentage
  thermal: add sys node for k_pu_ratio/k_po_ratio
  thermal: power_allocator: document k_pu_ratio/k_po_ratio

 Documentation/thermal/power_allocator.txt | 15 +++++++++++----
 drivers/thermal/power_allocator.c         | 18 ++++++++++++------
 drivers/thermal/thermal_core.c            | 23 +++++++++++++++++++++--
 include/linux/thermal.h                   |  4 ++--
 4 files changed, 46 insertions(+), 14 deletions(-)

-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH v3 0/4] thermal: re-calculate k_po/k_pu when update sustainable power Leo Yan <leo.yan@linaro.org> - 2016-01-06 10:00 +0100
  [PATCH v3 2/4] thermal: power_allocator: change k_pu_ratio/k_po_ratio as percentage Leo Yan <leo.yan@linaro.org> - 2016-01-06 10:00 +0100
  [PATCH v3 4/4] thermal: power_allocator: document k_pu_ratio/k_po_ratio Leo Yan <leo.yan@linaro.org> - 2016-01-06 10:00 +0100
  [PATCH v3 1/4] thermal: power_allocator: rework proportional parameter Leo Yan <leo.yan@linaro.org> - 2016-01-06 10:00 +0100
  [PATCH v3 3/4] thermal: add sys node for k_pu_ratio/k_po_ratio Leo Yan <leo.yan@linaro.org> - 2016-01-06 10:00 +0100
  Re: [PATCH v3 0/4] thermal: re-calculate k_po/k_pu when update  sustainable power Javi Merino <javi.merino@arm.com> - 2016-01-06 11:10 +0100
    Re: [PATCH v3 0/4] thermal: re-calculate k_po/k_pu when update  sustainable power Leo Yan <leo.yan@linaro.org> - 2016-01-06 12:20 +0100
    Re: [PATCH v3 0/4] thermal: re-calculate k_po/k_pu when update  sustainable power Daniel Thompson <daniel.thompson@linaro.org> - 2016-01-06 12:30 +0100
      Re: [PATCH v3 0/4] thermal: re-calculate k_po/k_pu when update  sustainable power Javi Merino <javi.merino@arm.com> - 2016-01-06 16:10 +0100

csiph-web