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Refactor the governor request into an external process helper function

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Marc Di Luzio
2019-02-03 16:18:59 +00:00
parent 0f6c9a8a95
commit a395caeb48
6 changed files with 67 additions and 29 deletions
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40
daemon/gamemode-gpu.c
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@ -164,6 +164,11 @@ void game_mode_free_gpu(GameModeGPUInfo **info)
*info = NULL;
}
//#include <linux/limits.h>
//#include <stdio.h>
//#include <sys/wait.h>
//#include <unistd.h>
/**
* Applies GPU optimisations when gamemode is active and removes them after
*/
@ -173,7 +178,40 @@ int game_mode_apply_gpu(const GameModeGPUInfo *info, bool apply)
if (!info)
return 0;
/* TODO Call gpuclockctl set */
/*
pid_t p;
int status = 0;
int ret = 0;
int r = -1;
const char *const exec_args[] = {
"/usr/bin/pkexec", LIBEXECDIR "/gpuclockctl", "set", value, NULL,
};
LOG_MSG("Requesting new GPU settings %s\n", value);
if ((p = fork()) < 0) {
LOG_ERROR("Failed to fork(): %s\n", strerror(errno));
return false;
} else if (p == 0) {
if ((r = execv(exec_args[0], (char *const *)exec_args)) != 0) {
LOG_ERROR("Failed to execute cpugovctl helper: %s %s\n", exec_args[1],
strerror(errno)); exit(EXIT_FAILURE);
}
_exit(EXIT_SUCCESS);
} else {
if (waitpid(p, &status, 0) < 0) {
LOG_ERROR("Failed to waitpid(%d): %s\n", (int)p, strerror(errno));
return false;
}
if (!WIFEXITED(status)) {
LOG_ERROR("Child process '%s' exited abnormally\n", exec_args[0]);
}
}
if ((ret = WEXITSTATUS(status)) != 0) {
LOG_ERROR("Failed to update cpu governor policy\n");
*/
return 0;
}