Difference between revisions of "APM services"

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(Created page with "APM is utilized for setting system performance profiles; including clocks for CPU, GPU, and memory. == apm == {| class="wikitable" border="1" |- ! Cmd || Name || Notes |- | 0...")
 
(add settings (performance_mode_policy is neat))
 
(5 intermediate revisions by the same user not shown)
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|}
 
|}
  
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=== ISession ===
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== apm:p ==
 +
{| class="wikitable" border="1"
 +
|-
 +
! Cmd || Name || Notes
 +
|-
 +
| 0 || [[#ISession|GetISession]] || Same as apm ISession - but more privileged?
 +
|-
 +
| 1 || ? ||
 +
|}
 +
 
 +
 
 +
== apm:sys ==
 +
Internally known as ISystemManager
 +
 
 +
 
 +
 
 +
== ISession ==
 
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
 
|-
 
|-
 
! Cmd || Name || Notes
 
! Cmd || Name || Notes
 
|-
 
|-
−
| 0 || GetPerformanceConfiguration || Takes u32 PerformanceMode
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| 0 || SetPerformanceConfiguration || Takes u32 PerformanceMode
 
|-
 
|-
−
| 1 || SetPerformanceConfiguration || Takes u32 PerformanceMode, u32 PerformanceConfiguration  
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| 1 || GetPerformanceConfiguration  || Takes u32 PerformanceMode, u32 PerformanceConfiguration  
 
|}
 
|}
  
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{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
 
|-
 
|-
−
! Value || Name
+
! Value || CPU clock || GPU clock || Memory clock
 
|-
 
|-
−
| 0x10000 || Docked profiles
+
| 0x00010000 || 1020 || 384 || 1600
 
|-
 
|-
−
| 0x10001 ||  
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| 0x00010001 || 1020 || 768 || 1600
 
|-
 
|-
−
| 0x10002 ||  
+
| 0x00010002 || 1224 || 691.2 || 1600
 
|-
 
|-
−
| 0x20000 || Handheld profiles
+
| 0x00020000 || 1020 || 230.4 || 1600
 
|-
 
|-
−
| 0x20001 ||  
+
| 0x00020001 || 1020 || 307.2 || 1600
 
|-
 
|-
−
| 0x20002 ||  
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| 0x00020002 || 1224|| 230.4 || 1600
 
|-
 
|-
−
| 0x20003 ||  
+
| 0x00020003 || 1020 || 307 || 1331.2
 
|-
 
|-
−
| 0x20004 ||  
+
| 0x00020004 || 1020 || 384 || 1331.2
 
|-
 
|-
−
| 0x20005 ||  
+
| 0x00020005 || 1020 || 307.2 || 1065.6
 
|-
 
|-
−
| 0x20006 ||  
+
| 0x00020006 || 1020 || 384 || 1065.6
 
|-
 
|-
−
| 0x92220007 || Unknown profiles
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| 0x92220007 || 1020  || 460.8 || 1600
 
|-
 
|-
−
| 0x92220008 ||  
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| 0x92220008 || 1020 || 460.8 || 1331.2
 
|}
 
|}
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Unknown profiles can be applied in handheld mode.
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Clocks are all in MHz.
  
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== apm:p ==
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Configurations 0x10001 and 0x20000 are only available while docked. Configurations 0x10002 and 0x20002 do not seem to be available at all (dependent on apm settings?).
  
−
 
+
== Settings ==
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== apm:sys ==
+
{| class="wikitable" border="1"
 +
|-
 +
! Key || Size || Notes
 +
|-
 +
| battery_draining_enabled|| 1 || ?
 +
|-
 +
| performance_mode_policy|| strlen || "auto": use boost mode when docked. "normal": never use boost mode. "boost": always use boost mode (devkit only).
 +
|-
 +
| sdev_cpu_overclock_enabled || 1 || Not used as of 3.0. May have been used to allow access to 1224MHz CPU mode?
 +
|-
 +
| sdev_throttling_additional_delay_us || 4 || ?
 +
|-
 +
| sdev_throttling_additional_delay_enabled || 1 || ?
 +
|-
 +
| throttling_for_smpd_enabled || 1 || Not used as of 3.0.
 +
|-
 +
| throttling_for_undock_enabled || 1 || Not used as of 3.0.
 +
|}
  
 
[[Category:Services]]
 
[[Category:Services]]

Latest revision as of 07:45, 11 July 2017

APM is utilized for setting system performance profiles; including clocks for CPU, GPU, and memory.

apm

Cmd Name Notes
0 GetISession
1 GetPerformanceMode

apm:p

Cmd Name Notes
0 GetISession Same as apm ISession - but more privileged?
1  ?


apm:sys

Internally known as ISystemManager


ISession

Cmd Name Notes
0 SetPerformanceConfiguration Takes u32 PerformanceMode
1 GetPerformanceConfiguration Takes u32 PerformanceMode, u32 PerformanceConfiguration

PerformanceMode

Value Name
0 Handheld
1 Docked

PerformanceConfiguration

Value CPU clock GPU clock Memory clock
0x00010000 1020 384 1600
0x00010001 1020 768 1600
0x00010002 1224 691.2 1600
0x00020000 1020 230.4 1600
0x00020001 1020 307.2 1600
0x00020002 1224 230.4 1600
0x00020003 1020 307 1331.2
0x00020004 1020 384 1331.2
0x00020005 1020 307.2 1065.6
0x00020006 1020 384 1065.6
0x92220007 1020 460.8 1600
0x92220008 1020 460.8 1331.2

Clocks are all in MHz.

Configurations 0x10001 and 0x20000 are only available while docked. Configurations 0x10002 and 0x20002 do not seem to be available at all (dependent on apm settings?).

Settings

Key Size Notes
battery_draining_enabled 1  ?
performance_mode_policy strlen "auto": use boost mode when docked. "normal": never use boost mode. "boost": always use boost mode (devkit only).
sdev_cpu_overclock_enabled 1 Not used as of 3.0. May have been used to allow access to 1224MHz CPU mode?
sdev_throttling_additional_delay_us 4  ?
sdev_throttling_additional_delay_enabled 1  ?
throttling_for_smpd_enabled 1 Not used as of 3.0.
throttling_for_undock_enabled 1 Not used as of 3.0.
Retrieved from "http://switchbrew.org/index.php?title=APM_services&oldid=1476"