-#warning "poll_wait_set_exclusive() is defined as no-op. Will increase LTTng overhead. Please consider using the LTTng kernel tree for better results."
+#ifndef _LTTNG_WRAPPER_POLL_H
+#define _LTTNG_WRAPPER_POLL_H
+
+#include <linux/poll.h>
/*
/*
- * Will cause higher overhead when signalling all possible reader threads when a
- * buffer is ready to be consumed.
+ * Note: poll_wait_set_exclusive() is defined as no-op. Thundering herd
+ * effect can be noticed with large number of consumer threads.
*/
*/
+
#define poll_wait_set_exclusive(poll_table)
#define poll_wait_set_exclusive(poll_table)
-#endif
+#endif /* _LTTNG_WRAPPER_POLL_H */
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