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properly support config reloading

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This commit is contained in:
Henrik Holst 2023-05-07 15:21:16 +02:00 committed by afayaz-feral
parent 9cb119be62
commit 88a15aba86
1 changed files with 24 additions and 0 deletions
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24
daemon/gamemode-cpu.c
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@ -186,6 +186,13 @@ static int walk_string(char *cpulist, char *config_cpulist, GameModeCPUInfo *inf
return 1;
}
void game_mode_reconfig_cpu(GameModeConfig *config, GameModeCPUInfo **info)
{
game_mode_unpark_cpu(*info);
game_mode_free_cpu(info);
game_mode_initialise_cpu(config, info);
}
int game_mode_initialise_cpu(GameModeConfig *config, GameModeCPUInfo **info)
{
/* Verify input, this is programmer error */
@ -281,6 +288,12 @@ int game_mode_initialise_cpu(GameModeConfig *config, GameModeCPUInfo **info)
goto error_exit;
}
if (CPU_COUNT_S(CPU_ALLOC_SIZE(new_info->num_cpu), new_info->to_keep) == 0) {
game_mode_free_cpu(&new_info);
LOG_MSG("I can find no reason to perform core pinning on this system!\n");
goto error_exit;
}
if (CPU_COUNT_S(CPU_ALLOC_SIZE(new_info->num_cpu), new_info->to_keep) < 4) {
game_mode_free_cpu(&new_info);
LOG_MSG(
@ -431,6 +444,17 @@ void game_mode_apply_core_pinning(const GameModeCPUInfo *info, const pid_t clien
LOG_ERROR("Failed to pin process: %s\n", strerror(errno));
}
void game_mode_undo_core_pinning(const GameModeCPUInfo *info, const pid_t client)
{
if (!info || info->park_or_pin == IS_CPU_PARK)
return;
LOG_MSG("Pinning process back to all online cores...\n");
if (sched_setaffinity(client, CPU_ALLOC_SIZE(info->num_cpu), info->online) != 0)
LOG_ERROR("Failed to pin process: %s\n", strerror(errno));
}
void game_mode_free_cpu(GameModeCPUInfo **info)
{
if ((*info)) {