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reapply the core pinning from the reaper thread

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Reapply the core pinning from the reaper thread to catch cases where the game launches threads after initial start
This commit is contained in:
Henrik Holst 2023-05-27 04:41:08 +02:00 committed by afayaz-feral
parent b83fb8f83e
commit 865ffb2588
1 changed files with 14 additions and 1 deletions
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15
daemon/gamemode-context.c
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@ -535,7 +535,7 @@ static int game_mode_apply_client_optimisations(GameModeContext *self, pid_t cli
game_mode_apply_scheduling(self, client);
/* Apply core pinning */
game_mode_apply_core_pinning(self->cpu, client);
game_mode_apply_core_pinning(self->cpu, client, false);
return 0;
}
@ -888,6 +888,16 @@ uint64_t game_mode_client_get_timestamp(GameModeClient *client)
return (uint64_t)client->timestamp;
}
static void game_mode_reapply_core_pinning_internal(GameModeContext *self)
{
pthread_rwlock_wrlock(&self->rwlock);
if (game_mode_context_num_clients(self)) {
for (GameModeClient *cl = self->client; cl; cl = cl->next)
game_mode_apply_core_pinning(self->cpu, cl->pid, true);
}
pthread_rwlock_unlock(&self->rwlock);
}
/* Internal refresh config function (assumes no contention with reaper thread) */
static void game_mode_reload_config_internal(GameModeContext *self)
{
@ -952,6 +962,9 @@ static void *game_mode_context_reaper(void *userdata)
/* Expire remaining entries */
game_mode_context_auto_expire(self);
/* Re apply the thread affinity mask (aka core pinning) */
game_mode_reapply_core_pinning_internal(self);
/* Check if we should be reloading the config, and do so if needed */
if (config_needs_reload(self->config)) {
LOG_MSG("Detected config file changes\n");