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daemon-config: Add ioprio configuration option

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Signed-off-by: Kai Krakow <kai@kaishome.de>
This commit is contained in:
Kai Krakow 2018-09-30 17:37:54 +02:00
parent a91a2e7739
commit ebf177bebe
4 changed files with 43 additions and 0 deletions
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20
daemon/daemon_config.c
View File

@ -70,6 +70,8 @@ struct GameModeConfig {
char softrealtime[CONFIG_VALUE_MAX];
long renice;
char ioprio[CONFIG_VALUE_MAX];
long reaper_frequency;
};
@ -164,6 +166,8 @@ static int inih_handler(void *user, const char *section, const char *name, const
valid = get_string_value(value, self->softrealtime);
} else if (strcmp(name, "renice") == 0) {
valid = get_long_value(name, value, &self->renice);
} else if (strcmp(name, "ioprio") == 0) {
valid = get_string_value(value, self->ioprio);
}
} else if (strcmp(section, "custom") == 0) {
/* Custom subsection */
@ -215,6 +219,7 @@ static void load_config_files(GameModeConfig *self)
pthread_rwlock_wrlock(&self->rwlock);
/* Clear our config values */
memset(self->ioprio, 0, sizeof(self->ioprio));
memset(self->whitelist, 0, sizeof(self->whitelist));
memset(self->blacklist, 0, sizeof(self->blacklist));
memset(self->startscripts, 0, sizeof(self->startscripts));
@ -424,3 +429,18 @@ void config_get_renice_value(GameModeConfig *self, long *value)
{
memcpy_locked_config(self, value, &self->renice, sizeof(long));
}
/*
* Get the ioprio value
*/
void config_get_ioprio_value(GameModeConfig *self, int *value)
{
char ioprio_value[CONFIG_VALUE_MAX] = { 0 };
memcpy_locked_config(self, ioprio_value, &self->ioprio, sizeof(self->ioprio));
if (0 == strncmp(ioprio_value, "off", sizeof(self->ioprio)))
*value = IOPRIO_DONT_SET;
else if (0 == strncmp(ioprio_value, "default", sizeof(self->ioprio)))
*value = IOPRIO_RESET_DEFAULT;
else
*value = atoi(ioprio_value);
}

11
daemon/daemon_config.h
View File

@ -39,6 +39,12 @@ POSSIBILITY OF SUCH DAMAGE.
#define CONFIG_LIST_MAX 32
#define CONFIG_VALUE_MAX 256
/*
* Special ioprio values
*/
#define IOPRIO_RESET_DEFAULT -1
#define IOPRIO_DONT_SET -2
/*
* Opaque config context type
*/
@ -113,3 +119,8 @@ void config_get_soft_realtime(GameModeConfig *self, char softrealtime[CONFIG_VAL
* Get the renice value
*/
void config_get_renice_value(GameModeConfig *self, long *value);
/*
* Get the ioprio value
*/
void config_get_ioprio_value(GameModeConfig *self, int *value);

6
data/gamemoded.8
View File

@ -110,6 +110,12 @@ softrealtime=auto
; the value will be negated and applied as a nice value
renice = 4
; By default, GameMode adjusts the iopriority of clients to BE/0, you can put any value
; between 0 and 7 here (with 0 being highest priority), or one of the special values
; "off" (to disable) or "reset" (to restore Linux default behavior based on CPU priority),
; currently, only the best-effort class is supported thus you cannot set it here
ioprio = 0
[filter]
; If "whitelist" entry has a value(s)
; gamemode will reject anything not in the whitelist

6
example/gamemode.ini
View File

@ -15,6 +15,12 @@ softrealtime=auto
; the value will be negated and applied as a nice value
renice = 4
; By default, GameMode adjusts the iopriority of clients to BE/0, you can put any value
; between 0 and 7 here (with 0 being highest priority), or one of the special values
; "off" (to disable) or "reset" (to restore Linux default behavior based on CPU priority),
; currently, only the best-effort class is supported thus you cannot set it here
ioprio = 0
[filter]
; If "whitelist" entry has a value(s)
; gamemode will reject anything not in the whitelist