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[client] app: new options to reduce CPU usage
This patch increases the default cursor and frame polling interval from 1us to 1000us which for most use cases should be more then fast enough. It also adds two new configuration options to adjust these should it be required: * app:cursorPollInterval * app:framePollInterval
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@ -86,6 +86,20 @@ static struct Option options[] =
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.type = OPTION_TYPE_BOOL,
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.value.x_bool = false,
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},
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{
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.module = "app",
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.name = "cursorPollInterval",
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.description = "How often to check for a cursor update in microseconds",
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.type = OPTION_TYPE_INT,
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.value.x_int = 1000
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},
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{
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.module = "app",
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.name = "framePollInterval",
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.description = "How often to check for a frame update in microseconds",
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.type = OPTION_TYPE_INT,
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.value.x_int = 1000
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},
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// window options
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{
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@ -344,8 +358,10 @@ bool config_load(int argc, char * argv[])
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}
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// setup the application params for the basic types
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params.shmFile = option_get_string("app", "shmFile");
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params.shmSize = option_get_int ("app", "shmSize") * 1048576;
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params.shmFile = option_get_string("app", "shmFile" );
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params.shmSize = option_get_int ("app", "shmSize" ) * 1048576;
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params.cursorPollInterval = option_get_int ("app", "cursorPollInterval");
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params.framePollInterval = option_get_int ("app", "framePollInterval" );
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params.windowTitle = option_get_string("win", "title" );
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params.autoResize = option_get_bool ("win", "autoResize" );
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@ -171,8 +171,7 @@ static int cursorThread(void * unused)
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{
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if (!state.running)
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return 0;
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usleep(1);
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usleep(params.cursorPollInterval);
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continue;
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}
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@ -285,7 +284,7 @@ static int frameThread(void * unused)
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if (!state.running)
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break;
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usleep(1);
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usleep(params.framePollInterval);
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continue;
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}
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@ -96,6 +96,9 @@ struct AppParams
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SDL_Scancode escapeKey;
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bool showAlerts;
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unsigned int cursorPollInterval;
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unsigned int framePollInterval;
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bool forceRenderer;
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unsigned int forceRendererIndex;
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