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Initial support for tweaking CPU governors/scaling policies

Browse Source 
This is, at the moment, aimed at Lakka only.
This commit is contained in:
David Guillen Fandos 2021-05-01 18:33:44 +02:00
parent 76eeee2c9a
commit b2c20e8ce0
19 changed files with 685 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Makefile.common
View File

@ -764,6 +764,7 @@ endif
ifeq ($(HAVE_LAKKA), 1)
OBJ += wifi/drivers/connmanctl.o
OBJ += misc/cpufreq/cpufreq.o
endif
# Audio

12
intl/msg_hash_lbl.h
View File

@ -896,6 +896,14 @@ MSG_HASH(
MENU_ENUM_LABEL_DEFERRED_POWER_MANAGEMENT_SETTINGS_LIST,
"deferred_power_management_settings_list"
)
MSG_HASH(
MENU_ENUM_LABEL_DEFERRED_CPU_PERFPOWER_LIST,
"deferred_cpu_perfpower_list"
)
MSG_HASH(
MENU_ENUM_LABEL_DEFERRED_CPU_POLICY_ENTRY,
"deferred_cpu_policy_list"
)
MSG_HASH(
MENU_ENUM_LABEL_DEFERRED_LAKKA_LIST,
"deferred_lakka_list"
@ -4722,6 +4730,10 @@ MSG_HASH(
MENU_ENUM_LABEL_POWER_MANAGEMENT_SETTINGS,
"power_management_settings"
)
MSG_HASH(
MENU_ENUM_LABEL_CPU_PERFPOWER,
"cpu_perfpower_list"
)
MSG_HASH(
MENU_ENUM_LABEL_AI_SERVICE_SETTINGS,
"ai_service_settings"

20
intl/msg_hash_us.h
View File

@ -12076,6 +12076,26 @@ MSG_HASH(
MENU_ENUM_LABEL_VALUE_SUSTAINED_PERFORMANCE_MODE,
"Sustained Performance Mode"
)
MSG_HASH(
MENU_ENUM_LABEL_VALUE_CPU_PERFPOWER,
"CPU Performance and Power"
)
MSG_HASH(
MENU_ENUM_LABEL_VALUE_CPU_POLICY_ENTRY,
"Policy"
)
MSG_HASH(
MENU_ENUM_LABEL_VALUE_CPU_POLICY_MIN_FREQ,
"Minimum Frequency"
)
MSG_HASH(
MENU_ENUM_LABEL_VALUE_CPU_POLICY_MAX_FREQ,
"Maximum Frequency"
)
MSG_HASH(
MENU_ENUM_LABEL_VALUE_CPU_POLICY_GOVERNOR,
"CPU Governor"
)
MSG_HASH(
MENU_ENUM_LABEL_VALUE_PAL60_ENABLE,
"Use PAL60 Mode"

3
libretro-common/streams/file_stream.c
View File

@ -521,10 +521,11 @@ int filestream_close(RFILE *stream)
* @path : path to file.
* @buf : buffer to allocate and read the contents of the
* file into. Needs to be freed manually.
* @len : optional output integer containing bytes read.
*
* Read the contents of a file into @buf.
*
* Returns: number of items read, -1 on error.
* Returns: non zero on success.
*/
int64_t filestream_read_file(const char *path, void **buf, int64_t *len)
{

5
menu/cbs/menu_cbs_deferred_push.c
View File

@ -251,6 +251,9 @@ GENERIC_DEFERRED_PUSH(deferred_push_switch_cpu_profile, DISPLAYLIST_
GENERIC_DEFERRED_PUSH(deferred_push_switch_gpu_profile, DISPLAYLIST_SWITCH_GPU_PROFILE)
#endif
GENERIC_DEFERRED_PUSH(deferred_push_cpu_perfpower, DISPLAYLIST_CPU_PERFPOWER_LIST)
GENERIC_DEFERRED_PUSH(deferred_push_cpu_policy, DISPLAYLIST_CPU_POLICY_LIST)
GENERIC_DEFERRED_PUSH(deferred_push_manual_content_scan_list, DISPLAYLIST_MANUAL_CONTENT_SCAN_LIST)
GENERIC_DEFERRED_PUSH(deferred_push_manual_content_scan_dat_file, DISPLAYLIST_MANUAL_CONTENT_SCAN_DAT_FILES)
@ -770,6 +773,8 @@ static int menu_cbs_init_bind_deferred_push_compare_label(
#if defined(HAVE_LAKKA_SWITCH) || defined(HAVE_LIBNX)
{MENU_ENUM_LABEL_SWITCH_CPU_PROFILE, deferred_push_switch_cpu_profile},
#endif
{MENU_ENUM_LABEL_DEFERRED_CPU_PERFPOWER_LIST, deferred_push_cpu_perfpower},
{MENU_ENUM_LABEL_DEFERRED_CPU_POLICY_ENTRY, deferred_push_cpu_policy},
{MENU_ENUM_LABEL_DEFERRED_REMAPPINGS_PORT_LIST, deferred_push_remappings_port },
{MENU_ENUM_LABEL_DEFERRED_ACCOUNTS_LIST, deferred_push_accounts_list},
{MENU_ENUM_LABEL_CORE_LIST, deferred_push_core_list},

88
menu/cbs/menu_cbs_get_value.c
View File

@ -46,6 +46,7 @@
#include "../../wifi/wifi_driver.h"
#include "../../playlist.h"
#include "../../manual_content_scan.h"
#include "../misc/cpufreq/cpufreq.h"
#ifdef HAVE_NETWORKING
#include "../../network/netplay/netplay.h"
@ -515,6 +516,80 @@ static void menu_action_setting_disp_set_label_core_manager_entry(
}
}
#ifdef HAVE_LAKKA
static void menu_action_setting_disp_set_label_cpu_policy(
file_list_t* list,
unsigned *w, unsigned type, unsigned i,
const char *label,
char *s, size_t len,
const char *path,
char *s2, size_t len2)
{
unsigned policyid = atoi(path);
cpu_scaling_driver_t **drivers = get_cpu_scaling_drivers(false);
cpu_scaling_driver_t *d = drivers[policyid];
*s = '\0';
*w = 0;
if (d->affected_cpus)
snprintf(s2, len2, "%s %d [CPU(s) %s]", msg_hash_to_str(
MENU_ENUM_LABEL_VALUE_CPU_POLICY_ENTRY), policyid,
d->affected_cpus);
else
snprintf(s2, len2, "%s %d", msg_hash_to_str(
MENU_ENUM_LABEL_VALUE_CPU_POLICY_ENTRY), policyid);
}
static void menu_action_cpu_freq_label(
file_list_t* list,
unsigned *w, unsigned type, unsigned i,
const char *label,
char *s, size_t len,
const char *path,
char *s2, size_t len2)
{
unsigned policyid = atoi(path);
cpu_scaling_driver_t **drivers = get_cpu_scaling_drivers(false);
cpu_scaling_driver_t *d = drivers[policyid];
switch (type) {
case MENU_SETTINGS_CPU_POLICY_SET_MINFREQ:
strlcpy(s2, msg_hash_to_str(
MENU_ENUM_LABEL_VALUE_CPU_POLICY_MIN_FREQ), len2);
snprintf(s, len, "%u MHz", d->min_policy_freq / 1000);
break;
case MENU_SETTINGS_CPU_POLICY_SET_MAXFREQ:
strlcpy(s2, msg_hash_to_str(
MENU_ENUM_LABEL_VALUE_CPU_POLICY_MAX_FREQ), len2);
snprintf(s, len, "%u MHz", d->max_policy_freq / 1000);
break;
case MENU_SETTINGS_CPU_POLICY_SET_GOVERNOR:
strlcpy(s2, msg_hash_to_str(
MENU_ENUM_LABEL_VALUE_CPU_POLICY_GOVERNOR), len2);
strlcpy(s, d->scaling_governor, len);
break;
};
}
static void menu_action_cpu_governor_label(
file_list_t* list,
unsigned *w, unsigned type, unsigned i,
const char *label,
char *s, size_t len,
const char *path,
char *s2, size_t len2)
{
unsigned policyid = atoi(path);
cpu_scaling_driver_t **drivers = get_cpu_scaling_drivers(false);
cpu_scaling_driver_t *d = drivers[policyid];
strlcpy(s2, msg_hash_to_str(
MENU_ENUM_LABEL_VALUE_CPU_POLICY_GOVERNOR), len2);
strlcpy(s, d->scaling_governor, len);
}
#endif
static void menu_action_setting_disp_set_label_core_lock(
file_list_t* list,
unsigned *w, unsigned type, unsigned i,
@ -1707,6 +1782,19 @@ static int menu_cbs_init_bind_get_string_representation_compare_label(
BIND_ACTION_GET_VALUE(cbs,
menu_action_setting_disp_set_label_core_option_override_info);
break;
#ifdef HAVE_LAKKA
case MENU_ENUM_LABEL_CPU_POLICY_ENTRY:
BIND_ACTION_GET_VALUE(cbs,
menu_action_setting_disp_set_label_cpu_policy);
break;
case MENU_ENUM_LABEL_CPU_POLICY_MIN_FREQ:
case MENU_ENUM_LABEL_CPU_POLICY_MAX_FREQ:
BIND_ACTION_GET_VALUE(cbs, menu_action_cpu_freq_label);
break;
case MENU_ENUM_LABEL_CPU_POLICY_GOVERNOR:
BIND_ACTION_GET_VALUE(cbs, menu_action_cpu_governor_label);
break;
#endif
default:
return -1;
}

47
menu/cbs/menu_cbs_left.c
View File

@ -43,6 +43,7 @@
#include "../../network/netplay/netplay.h"
#include "../../playlist.h"
#include "../../manual_content_scan.h"
#include "../misc/cpufreq/cpufreq.h"
#ifndef BIND_ACTION_LEFT
#define BIND_ACTION_LEFT(cbs, name) (cbs)->action_left = (name)
@ -670,6 +671,45 @@ static int manual_content_scan_core_name_left(unsigned type, const char *label,
return 0;
}
#ifdef HAVE_LAKKA
static int cpu_policy_freq_tweak(unsigned type, const char *label,
bool wraparound)
{
bool refresh = false;
cpu_scaling_driver_t **drivers = get_cpu_scaling_drivers(false);
unsigned policyid = atoi(label);
uint32_t next_freq;
if (!drivers)
return 0;
switch (type) {
case MENU_SETTINGS_CPU_POLICY_SET_MINFREQ:
next_freq = get_cpu_scaling_next_frequency(drivers[policyid],
drivers[policyid]->min_policy_freq, -1);
set_cpu_scaling_min_frequency(drivers[policyid], next_freq);
break;
case MENU_SETTINGS_CPU_POLICY_SET_MAXFREQ:
next_freq = get_cpu_scaling_next_frequency(drivers[policyid],
drivers[policyid]->max_policy_freq, -1);
set_cpu_scaling_max_frequency(drivers[policyid], next_freq);
break;
case MENU_SETTINGS_CPU_POLICY_SET_GOVERNOR:
{
int pidx = string_list_find_elem(drivers[policyid]->available_governors,
drivers[policyid]->scaling_governor);
if (pidx > 1)
{
set_cpu_scaling_governor(drivers[policyid],
drivers[policyid]->available_governors->elems[pidx-2].data);
}
break;
}
};
return 0;
}
#endif
static int core_setting_left(unsigned type, const char *label,
bool wraparound)
{
@ -970,6 +1010,13 @@ static int menu_cbs_init_bind_left_compare_label(menu_file_list_cbs_t *cbs,
case MENU_ENUM_LABEL_MANUAL_CONTENT_SCAN_CORE_NAME:
BIND_ACTION_LEFT(cbs, manual_content_scan_core_name_left);
break;
#ifdef HAVE_LAKKA
case MENU_ENUM_LABEL_CPU_POLICY_MAX_FREQ:
case MENU_ENUM_LABEL_CPU_POLICY_MIN_FREQ:
case MENU_ENUM_LABEL_CPU_POLICY_GOVERNOR:
BIND_ACTION_LEFT(cbs, cpu_policy_freq_tweak);
break;
#endif
default:
return -1;
}

10
menu/cbs/menu_cbs_ok.c
View File

@ -374,6 +374,10 @@ static enum msg_hash_enums action_ok_dl_to_enum(unsigned lbl)
return MENU_ENUM_LABEL_DEFERRED_ACCESSIBILITY_SETTINGS_LIST;
case ACTION_OK_DL_POWER_MANAGEMENT_SETTINGS_LIST:
return MENU_ENUM_LABEL_DEFERRED_POWER_MANAGEMENT_SETTINGS_LIST;
case ACTION_OK_DL_CPU_PERFPOWER_SETTINGS_LIST:
return MENU_ENUM_LABEL_DEFERRED_CPU_PERFPOWER_LIST;
case ACTION_OK_DL_CPU_POLICY_SETTINGS_LIST:
return MENU_ENUM_LABEL_DEFERRED_CPU_POLICY_ENTRY;
case ACTION_OK_DL_MENU_SOUNDS_LIST:
return MENU_ENUM_LABEL_DEFERRED_MENU_SOUNDS_LIST;
case ACTION_OK_DL_MENU_FILE_BROWSER_SETTINGS_LIST:
@ -1469,6 +1473,8 @@ int generic_action_ok_displaylist_push(const char *path,
case ACTION_OK_DL_AI_SERVICE_SETTINGS_LIST:
case ACTION_OK_DL_ACCESSIBILITY_SETTINGS_LIST:
case ACTION_OK_DL_POWER_MANAGEMENT_SETTINGS_LIST:
case ACTION_OK_DL_CPU_PERFPOWER_SETTINGS_LIST:
case ACTION_OK_DL_CPU_POLICY_SETTINGS_LIST:
case ACTION_OK_DL_MENU_SOUNDS_LIST:
case ACTION_OK_DL_MENU_FILE_BROWSER_SETTINGS_LIST:
case ACTION_OK_DL_RETRO_ACHIEVEMENTS_SETTINGS_LIST:
@ -5533,6 +5539,8 @@ DEFAULT_ACTION_OK_FUNC(action_ok_menu_views_list, ACTION_OK_DL_MENU_VIEWS_SETTIN
DEFAULT_ACTION_OK_FUNC(action_ok_settings_views_list, ACTION_OK_DL_SETTINGS_VIEWS_SETTINGS_LIST)
DEFAULT_ACTION_OK_FUNC(action_ok_quick_menu_views_list, ACTION_OK_DL_QUICK_MENU_VIEWS_SETTINGS_LIST)
DEFAULT_ACTION_OK_FUNC(action_ok_power_management_list, ACTION_OK_DL_POWER_MANAGEMENT_SETTINGS_LIST)
DEFAULT_ACTION_OK_FUNC(action_ok_cpu_perfpower_list, ACTION_OK_DL_CPU_PERFPOWER_SETTINGS_LIST)
DEFAULT_ACTION_OK_FUNC(action_ok_cpu_policy_entry, ACTION_OK_DL_CPU_POLICY_SETTINGS_LIST)
DEFAULT_ACTION_OK_FUNC(action_ok_menu_sounds_list, ACTION_OK_DL_MENU_SOUNDS_LIST)
DEFAULT_ACTION_OK_FUNC(action_ok_user_interface_list, ACTION_OK_DL_USER_INTERFACE_SETTINGS_LIST)
DEFAULT_ACTION_OK_FUNC(action_ok_menu_file_browser_list, ACTION_OK_DL_MENU_FILE_BROWSER_SETTINGS_LIST)
@ -7784,6 +7792,8 @@ static int menu_cbs_init_bind_ok_compare_label(menu_file_list_cbs_t *cbs,
{MENU_ENUM_LABEL_QUICK_MENU_VIEWS_SETTINGS, action_ok_quick_menu_views_list},
{MENU_ENUM_LABEL_USER_INTERFACE_SETTINGS, action_ok_user_interface_list},
{MENU_ENUM_LABEL_POWER_MANAGEMENT_SETTINGS, action_ok_power_management_list},
{MENU_ENUM_LABEL_CPU_PERFPOWER, action_ok_cpu_perfpower_list},
{MENU_ENUM_LABEL_CPU_POLICY_ENTRY, action_ok_cpu_policy_entry},
{MENU_ENUM_LABEL_MENU_SOUNDS, action_ok_menu_sounds_list},
{MENU_ENUM_LABEL_MENU_FILE_BROWSER_SETTINGS, action_ok_menu_file_browser_list},
{MENU_ENUM_LABEL_FILE_BROWSER_OPEN_UWP_PERMISSIONS, action_ok_open_uwp_permission_settings},

47
menu/cbs/menu_cbs_right.c
View File

@ -44,6 +44,7 @@
#include "../../network/netplay/netplay.h"
#include "../../playlist.h"
#include "../../manual_content_scan.h"
#include "../misc/cpufreq/cpufreq.h"
#ifndef BIND_ACTION_RIGHT
#define BIND_ACTION_RIGHT(cbs, name) (cbs)->action_right = (name)
@ -788,6 +789,45 @@ static int manual_content_scan_core_name_right(unsigned type, const char *label,
return 0;
}
#ifdef HAVE_LAKKA
static int cpu_policy_freq_tweak(unsigned type, const char *label,
bool wraparound)
{
bool refresh = false;
cpu_scaling_driver_t **drivers = get_cpu_scaling_drivers(false);
unsigned policyid = atoi(label);
uint32_t next_freq;
if (!drivers)
return 0;
switch (type) {
case MENU_SETTINGS_CPU_POLICY_SET_MINFREQ:
next_freq = get_cpu_scaling_next_frequency(drivers[policyid],
drivers[policyid]->min_policy_freq, 1);
set_cpu_scaling_min_frequency(drivers[policyid], next_freq);
break;
case MENU_SETTINGS_CPU_POLICY_SET_MAXFREQ:
next_freq = get_cpu_scaling_next_frequency(drivers[policyid],
drivers[policyid]->max_policy_freq, 1);
set_cpu_scaling_max_frequency(drivers[policyid], next_freq);
break;
case MENU_SETTINGS_CPU_POLICY_SET_GOVERNOR:
{
int pidx = string_list_find_elem(drivers[policyid]->available_governors,
drivers[policyid]->scaling_governor);
if (pidx && pidx + 1 < drivers[policyid]->available_governors->size)
{
set_cpu_scaling_governor(drivers[policyid],
drivers[policyid]->available_governors->elems[pidx].data);
}
break;
}
};
return 0;
}
#endif
int core_setting_right(unsigned type, const char *label,
bool wraparound)
{
@ -1089,6 +1129,13 @@ static int menu_cbs_init_bind_right_compare_label(menu_file_list_cbs_t *cbs,
case MENU_ENUM_LABEL_MANUAL_CONTENT_SCAN_CORE_NAME:
BIND_ACTION_RIGHT(cbs, manual_content_scan_core_name_right);
break;
#ifdef HAVE_LAKKA
case MENU_ENUM_LABEL_CPU_POLICY_MAX_FREQ:
case MENU_ENUM_LABEL_CPU_POLICY_MIN_FREQ:
case MENU_ENUM_LABEL_CPU_POLICY_GOVERNOR:
BIND_ACTION_RIGHT(cbs, cpu_policy_freq_tweak);
break;
#endif
default:
return -1;
}

24
menu/cbs/menu_cbs_sublabel.c
View File

@ -31,6 +31,7 @@
#include "../../core_info.h"
#include "../../verbosity.h"
#include "../../bluetooth/bluetooth_driver.h"
#include "../../misc/cpufreq/cpufreq.h"
#ifdef HAVE_NETWORKING
#include "../../network/netplay/netplay.h"
@ -1008,6 +1009,26 @@ static int action_bind_sublabel_bluetooth_list(
return 0;
}
#ifdef HAVE_LAKKA
static int action_bind_sublabel_cpu_policy_entry_list(
file_list_t *list,
unsigned type, unsigned i,
const char *label, const char *path,
char *s, size_t len)
{
/* Displays info about the Policy entry */
cpu_scaling_driver_t **drivers = get_cpu_scaling_drivers(false);
if (drivers)
{
sprintf(s, "%s | Freq: %u MHz\n", drivers[i]->scaling_governor,
drivers[i]->current_frequency / 1000);
return 0;
}
return -1;
}
#endif
#ifdef HAVE_CHEEVOS
static int action_bind_sublabel_cheevos_entry(
file_list_t *list,
@ -3917,6 +3938,9 @@ int menu_cbs_init_bind_sublabel(menu_file_list_cbs_t *cbs,
case MENU_ENUM_LABEL_TIMEZONE:
BIND_ACTION_SUBLABEL(cbs, action_bind_sublabel_timezone);
break;
case MENU_ENUM_LABEL_CPU_POLICY_ENTRY:
BIND_ACTION_SUBLABEL(cbs, action_bind_sublabel_cpu_policy_entry_list);
break;
#endif
case MENU_ENUM_LABEL_USER_LANGUAGE:
BIND_ACTION_SUBLABEL(cbs, action_bind_sublabel_user_language);

4
menu/cbs/menu_cbs_title.c
View File

@ -621,6 +621,8 @@ DEFAULT_TITLE_MACRO(action_get_user_interface_settings_list, MENU_ENUM_LABEL_
DEFAULT_TITLE_MACRO(action_get_ai_service_settings_list, MENU_ENUM_LABEL_VALUE_AI_SERVICE_SETTINGS)
DEFAULT_TITLE_MACRO(action_get_accessibility_settings_list, MENU_ENUM_LABEL_VALUE_ACCESSIBILITY_SETTINGS)
DEFAULT_TITLE_MACRO(action_get_power_management_settings_list, MENU_ENUM_LABEL_VALUE_POWER_MANAGEMENT_SETTINGS)
DEFAULT_TITLE_MACRO(action_get_cpu_perfpower_settings_list, MENU_ENUM_LABEL_VALUE_CPU_PERFPOWER)
DEFAULT_TITLE_MACRO(action_get_cpu_policy_entry_list, MENU_ENUM_LABEL_VALUE_CPU_POLICY_ENTRY)
DEFAULT_TITLE_MACRO(action_get_menu_sounds_list, MENU_ENUM_LABEL_VALUE_MENU_SOUNDS)
DEFAULT_TITLE_MACRO(action_get_menu_file_browser_settings_list, MENU_ENUM_LABEL_VALUE_MENU_FILE_BROWSER_SETTINGS)
DEFAULT_TITLE_MACRO(action_get_retro_achievements_settings_list,MENU_ENUM_LABEL_VALUE_RETRO_ACHIEVEMENTS_SETTINGS)
@ -955,6 +957,8 @@ static int menu_cbs_init_bind_title_compare_label(menu_file_list_cbs_t *cbs,
{MENU_ENUM_LABEL_DEFERRED_AI_SERVICE_SETTINGS_LIST, action_get_ai_service_settings_list},
{MENU_ENUM_LABEL_DEFERRED_ACCESSIBILITY_SETTINGS_LIST, action_get_accessibility_settings_list},
{MENU_ENUM_LABEL_DEFERRED_POWER_MANAGEMENT_SETTINGS_LIST, action_get_power_management_settings_list},
{MENU_ENUM_LABEL_DEFERRED_CPU_PERFPOWER_LIST, action_get_cpu_perfpower_settings_list},
{MENU_ENUM_LABEL_DEFERRED_CPU_POLICY_ENTRY, action_get_cpu_policy_entry_list},
{MENU_ENUM_LABEL_DEFERRED_MENU_SOUNDS_LIST, action_get_menu_sounds_list},
{MENU_ENUM_LABEL_DEFERRED_MENU_FILE_BROWSER_SETTINGS_LIST, action_get_menu_file_browser_settings_list},
{MENU_ENUM_LABEL_DEFERRED_RETRO_ACHIEVEMENTS_SETTINGS_LIST, action_get_retro_achievements_settings_list},

2
menu/menu_cbs.h
View File

@ -185,6 +185,8 @@ enum
ACTION_OK_DL_ACCESSIBILITY_SETTINGS_LIST,
ACTION_OK_DL_USER_INTERFACE_SETTINGS_LIST,
ACTION_OK_DL_POWER_MANAGEMENT_SETTINGS_LIST,
ACTION_OK_DL_CPU_PERFPOWER_SETTINGS_LIST,
ACTION_OK_DL_CPU_POLICY_SETTINGS_LIST,
ACTION_OK_DL_MENU_SOUNDS_LIST,
ACTION_OK_DL_MENU_FILE_BROWSER_SETTINGS_LIST,
ACTION_OK_DL_RETRO_ACHIEVEMENTS_SETTINGS_LIST,

55
menu/menu_displaylist.c
View File

@ -110,6 +110,7 @@
#include "../runtime_file.h"
#include "../manual_content_scan.h"
#include "../core_backup.h"
#include "../misc/cpufreq/cpufreq.h"
/* Spacers used for '<content> - <core name>' labels
* in playlists */
@ -8423,6 +8424,7 @@ unsigned menu_displaylist_build_list(
{
menu_displaylist_build_info_t build_list[] = {
{MENU_ENUM_LABEL_SUSTAINED_PERFORMANCE_MODE, PARSE_ONLY_BOOL},
{MENU_ENUM_LABEL_CPU_PERFPOWER, PARSE_ACTION},
};
for (i = 0; i < ARRAY_SIZE(build_list); i++)
@ -9831,6 +9833,59 @@ bool menu_displaylist_ctl(enum menu_displaylist_ctl_state type,
/* No-op */
break;
#endif
#ifdef HAVE_LAKKA
case DISPLAYLIST_CPU_POLICY_LIST:
menu_entries_ctl(MENU_ENTRIES_CTL_CLEAR, info->list);
menu_entries_append_enum(info->list,
info->path,
info->path,
MENU_ENUM_LABEL_CPU_POLICY_MIN_FREQ,
MENU_SETTINGS_CPU_POLICY_SET_MINFREQ, 0, 0);
menu_entries_append_enum(info->list,
info->path,
info->path,
MENU_ENUM_LABEL_CPU_POLICY_MAX_FREQ,
MENU_SETTINGS_CPU_POLICY_SET_MAXFREQ, 0, 0);
menu_entries_append_enum(info->list,
info->path,
info->path,
MENU_ENUM_LABEL_CPU_POLICY_GOVERNOR,
MENU_SETTINGS_CPU_POLICY_SET_GOVERNOR, 0, 0);
info->need_push = true;
info->need_refresh = true;
info->need_clear = true;
break;
case DISPLAYLIST_CPU_PERFPOWER_LIST:
{
cpu_scaling_driver_t **drivers = get_cpu_scaling_drivers(true);
menu_entries_ctl(MENU_ENTRIES_CTL_CLEAR, info->list);
if (drivers)
{
int count = 0;
while (*drivers)
{
char policyid[16];
sprintf(policyid, "%u", count++);
menu_entries_append_enum(info->list,
policyid,
policyid,
MENU_ENUM_LABEL_CPU_POLICY_ENTRY,
0, 0, 0);
drivers++;
}
}
info->need_push = true;
info->need_refresh = true;
info->need_clear = true;
break;
}
#endif
#if defined(HAVE_LAKKA_SWITCH) || defined(HAVE_LIBNX)
case DISPLAYLIST_SWITCH_CPU_PROFILE:
{

4
menu/menu_displaylist.h
View File

@ -251,7 +251,9 @@ enum menu_displaylist_ctl_state
DISPLAYLIST_CORE_RESTORE_BACKUP_LIST,
DISPLAYLIST_CORE_DELETE_BACKUP_LIST,
DISPLAYLIST_PENDING_CLEAR,
DISPLAYLIST_WIFI_NETWORKS_LIST
DISPLAYLIST_WIFI_NETWORKS_LIST,
DISPLAYLIST_CPU_PERFPOWER_LIST,
DISPLAYLIST_CPU_POLICY_LIST
};
enum filebrowser_enums

4
menu/menu_driver.h
View File

@ -211,6 +211,10 @@ enum menu_settings_type
MENU_SET_SWITCH_CPU_PROFILE,
#endif
MENU_SETTINGS_CPU_POLICY_SET_MINFREQ,
MENU_SETTINGS_CPU_POLICY_SET_MAXFREQ,
MENU_SETTINGS_CPU_POLICY_SET_GOVERNOR,
MENU_SET_CDROM_LIST,
MENU_SET_LOAD_CDROM_LIST,
MENU_SET_CDROM_INFO,

10
menu/menu_setting.c
View File

@ -16337,6 +16337,16 @@ static bool setting_append_list(
SD_FLAG_CMD_APPLY_AUTO);
#endif
#ifdef HAVE_LAKKA
CONFIG_ACTION(
list, list_info,
MENU_ENUM_LABEL_CPU_PERFPOWER,
MENU_ENUM_LABEL_VALUE_CPU_PERFPOWER,
&group_info,
&subgroup_info,
parent_group);
#endif
END_SUB_GROUP(list, list_info, parent_group);
END_GROUP(list, list_info, parent_group);
break;

281
misc/cpufreq/cpufreq.c Normal file
View File

@ -0,0 +1,281 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2021 - David Guillen Fandos
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <time.h>
#include <string.h>
#include <file/file_path.h>
#include <lists/string_list.h>
#include <lists/dir_list.h>
#include <streams/file_stream.h>
#include <string/stdstring.h>
#include <retro_miscellaneous.h>
#include "cpufreq.h"
#define REFRESH_TIMEOUT 2
#define CPU_POLICIES_DIR "/sys/devices/system/cpu/cpufreq/"
static time_t last_update = 0;
static cpu_scaling_driver_t **scaling_drivers = NULL;
static bool readparse_uint32(const char *path, uint32_t *value)
{
char *tmpbuf;
if (!filestream_read_file(path, (void**)&tmpbuf, NULL))
return false;
string_remove_all_chars(tmpbuf, '\n');
if (sscanf(tmpbuf, "%" PRIu32, value) != 1)
{
free(tmpbuf);
return false;
}
free(tmpbuf);
return true;
}
static struct string_list* readparse_list(const char *path)
{
char *tmpbuf;
struct string_list* ret;
if (!filestream_read_file(path, (void**)&tmpbuf, NULL))
return NULL;
string_remove_all_chars(tmpbuf, '\n');
ret = string_split(tmpbuf, " ");
free(tmpbuf);
return ret;
}
static void free_drivers(cpu_scaling_driver_t **d)
{
if (d)
{
cpu_scaling_driver_t **it = d;
while (*it)
{
cpu_scaling_driver_t *drv = *it++;
if (drv->affected_cpus)
free(drv->affected_cpus);
if (drv->scaling_governor)
free(drv->scaling_governor);
if (drv->available_freqs)
free(drv->available_freqs);
string_list_free(drv->available_governors);
free(drv);
}
free(d);
}
}
void cpu_scaling_driver_free()
{
if (scaling_drivers)
free_drivers(scaling_drivers);
scaling_drivers = NULL;
last_update = 0;
}
cpu_scaling_driver_t **get_cpu_scaling_drivers(bool can_update)
{
if (can_update && (time(NULL) > last_update + REFRESH_TIMEOUT ||
!scaling_drivers))
{
/* Parse /sys/devices/system/cpu/cpufreq/ policies */
int i, j, pc;
struct string_list *policy_dir = dir_list_new(CPU_POLICIES_DIR, NULL,
true, false, false, false);
if (!policy_dir)
return NULL;
dir_list_sort(policy_dir, false);
/* Delete the previous list of drivers */
free_drivers(scaling_drivers);
scaling_drivers = (cpu_scaling_driver_t**)calloc(
(policy_dir->size + 1), sizeof(cpu_scaling_driver_t*));
for (i = 0, pc = 0; i < policy_dir->size; i++)
{
uint32_t polid;
cpu_scaling_driver_t *drv;
struct string_list *tmplst;
char fpath[PATH_MAX_LENGTH];
const char *fname = strrchr(policy_dir->elems[i].data, '/');
if (!fname)
continue;
/* Ensure this is a policy and get its ID */
if (sscanf(fname, "/policy%" PRIu32, &polid) != 1)
continue;
drv = calloc(1, sizeof(cpu_scaling_driver_t));
drv->policy_id = polid;
/* Read all nodes with freq info */
fill_pathname_join(fpath, policy_dir->elems[i].data,
"scaling_cur_freq", sizeof(fpath));
readparse_uint32(fpath, &drv->current_frequency);
fill_pathname_join(fpath, policy_dir->elems[i].data,
"cpuinfo_min_freq", sizeof(fpath));
readparse_uint32(fpath, &drv->min_cpu_freq);
fill_pathname_join(fpath, policy_dir->elems[i].data,
"cpuinfo_max_freq", sizeof(fpath));
readparse_uint32(fpath, &drv->max_cpu_freq);
fill_pathname_join(fpath, policy_dir->elems[i].data,
"scaling_min_freq", sizeof(fpath));
readparse_uint32(fpath, &drv->min_policy_freq);
fill_pathname_join(fpath, policy_dir->elems[i].data,
"scaling_max_freq", sizeof(fpath));
readparse_uint32(fpath, &drv->max_policy_freq);
fill_pathname_join(fpath, policy_dir->elems[i].data,
"scaling_available_governors", sizeof(fpath));
drv->available_governors = readparse_list(fpath);
fill_pathname_join(fpath, policy_dir->elems[i].data,
"affected_cpus", sizeof(fpath));
filestream_read_file(fpath, (void**)&drv->affected_cpus, NULL);
string_remove_all_chars(drv->affected_cpus, '\n');
fill_pathname_join(fpath, policy_dir->elems[i].data,
"scaling_governor", sizeof(fpath));
filestream_read_file(fpath, (void**)&drv->scaling_governor, NULL);
string_remove_all_chars(drv->scaling_governor, '\n');
fill_pathname_join(fpath, policy_dir->elems[i].data,
"scaling_available_frequencies", sizeof(fpath));
tmplst = readparse_list(fpath);
if (tmplst)
{
drv->available_freqs = calloc(tmplst->size, sizeof(uint32_t));
for (j = 0; j < tmplst->size; j++)
{
drv->available_freqs[j] = (uint32_t)atol(tmplst->elems[j].data);
}
string_list_free(tmplst);
}
/* Move to the list */
scaling_drivers[pc++] = drv;
}
dir_list_free(policy_dir);
last_update = time(NULL);
}
return scaling_drivers;
}
bool set_cpu_scaling_min_frequency(
cpu_scaling_driver_t *driver,
uint32_t min_freq)
{
char fpath[PATH_MAX_LENGTH];
char value[16];
sprintf(fpath, CPU_POLICIES_DIR "policy%u/scaling_min_freq",
driver->policy_id);
sprintf(value, "%" PRIu32 "\n", min_freq);
if (filestream_write_file(fpath, value, strlen(value)))
{
driver->min_policy_freq = min_freq;
last_update = 0; /* Force reload */
return true;
}
return false;
}
bool set_cpu_scaling_max_frequency(
cpu_scaling_driver_t *driver,
uint32_t max_freq)
{
char fpath[PATH_MAX_LENGTH];
char value[16];
sprintf(fpath, CPU_POLICIES_DIR "policy%u/scaling_max_freq",
driver->policy_id);
sprintf(value, "%" PRIu32 "\n", max_freq);
if (filestream_write_file(fpath, value, strlen(value)))
{
driver->max_policy_freq = max_freq;
last_update = 0; /* Force reload */
return true;
}
return false;
}
uint32_t get_cpu_scaling_next_frequency(
cpu_scaling_driver_t *driver,
uint32_t freq,
int step)
{
/* If the driver does not have a list of available frequencies */
if (driver->available_freqs)
{
uint32_t *fr = driver->available_freqs;
while (*fr)
{
if (fr[0] <= freq && fr[1] > freq && step > 0)
{
freq = fr[1];
break;
}
else if (fr[0] < freq && fr[1] >= freq && step < 0)
{
freq = fr[0];
break;
}
fr++;
}
if (!(*fr))
{
if (step > 0)
freq = driver->max_cpu_freq;
else
freq = driver->min_cpu_freq;
}
}
else {
/* Just do small steps towards the max/min, arbitrary 100MHz */
freq = freq + step * 100000;
}
if (freq > driver->max_cpu_freq)
freq = driver->max_cpu_freq;
if (freq < driver->min_cpu_freq)
freq = driver->min_cpu_freq;
return freq;
}
bool set_cpu_scaling_governor(cpu_scaling_driver_t *driver, const char* governor)
{
char fpath[PATH_MAX_LENGTH];
sprintf(fpath, CPU_POLICIES_DIR "policy%u/scaling_governor",
driver->policy_id);
if (filestream_write_file(fpath, governor, strlen(governor)))
{
if (driver->scaling_governor)
free(driver->scaling_governor);
driver->scaling_governor = strdup(governor);
last_update = 0; /* Force reload */
return true;
}
return false;
}

63
misc/cpufreq/cpufreq.h Normal file
View File

@ -0,0 +1,63 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2021 - David Guillen Fandos
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _MISC_CPUFREQ_H
#define _MISC_CPUFREQ_H
#include <stdint.h>
RETRO_BEGIN_DECLS
typedef struct cpu_scaling_driver
{
/* Policy number in the sysfs tree */
unsigned int policy_id;
/* Which CPUs this scaling driver will affect */
char *affected_cpus;
/* Governor and available governors */
char *scaling_governor;
struct string_list *available_governors;
/* Current frequency (value might be slightly old) */
uint32_t current_frequency;
/* Max and min frequencies, for the hardware and policy */
uint32_t min_cpu_freq, max_cpu_freq;
uint32_t min_policy_freq, max_policy_freq;
/* Available frequencies table (can be NULL), ends with zero */
uint32_t *available_freqs;
} cpu_scaling_driver_t;
/* Safely free all memory used by the driver */
void cpu_scaling_driver_free();
/* Get a list of the available cpu scaling drivers */
cpu_scaling_driver_t **get_cpu_scaling_drivers(bool can_update);
/* Set max and min policy cpu frequency */
bool set_cpu_scaling_min_frequency(
cpu_scaling_driver_t *driver, uint32_t min_freq);
bool set_cpu_scaling_max_frequency(
cpu_scaling_driver_t *driver, uint32_t max_freq);
/* Calculate next/previous frequencies */
uint32_t get_cpu_scaling_next_frequency(cpu_scaling_driver_t *driver,
uint32_t freq, int step);
/* Set the scaling governor for this scaling driver */
bool set_cpu_scaling_governor(cpu_scaling_driver_t *driver, const char* governor);
RETRO_END_DECLS
#endif

7
msg_hash.h
View File

@ -1526,6 +1526,8 @@ enum msg_hash_enums
MENU_ENUM_LABEL_DEFERRED_MENU_SETTINGS_LIST,
MENU_ENUM_LABEL_DEFERRED_USER_INTERFACE_SETTINGS_LIST,
MENU_ENUM_LABEL_DEFERRED_POWER_MANAGEMENT_SETTINGS_LIST,
MENU_ENUM_LABEL_DEFERRED_CPU_PERFPOWER_LIST,
MENU_ENUM_LABEL_DEFERRED_CPU_POLICY_ENTRY,
MENU_ENUM_LABEL_DEFERRED_MENU_SOUNDS_LIST,
MENU_ENUM_LABEL_DEFERRED_MENU_FILE_BROWSER_SETTINGS_LIST,
MENU_ENUM_LABEL_DEFERRED_RETRO_ACHIEVEMENTS_SETTINGS_LIST,
@ -2938,6 +2940,11 @@ enum msg_hash_enums
MENU_LABEL(MIDI_VOLUME),
MENU_LABEL(SUSTAINED_PERFORMANCE_MODE),
MENU_LABEL(CPU_PERFPOWER),
MENU_LABEL(CPU_POLICY_ENTRY),
MENU_LABEL(CPU_POLICY_MIN_FREQ),
MENU_LABEL(CPU_POLICY_MAX_FREQ),
MENU_LABEL(CPU_POLICY_GOVERNOR),
MENU_ENUM_LABEL_CHEAT_HANDLER_TYPE_EMU,
MENU_ENUM_LABEL_CHEAT_HANDLER_TYPE_RETRO,