#include <linux/types.h>
#include <linux/percpu.h>
-#include "../align.h"
-#include "../../lttng-tracer-core.h"
+#include <lib/align.h>
+#include <lttng-tracer-core.h>
struct lib_ring_buffer;
struct channel;
size_t (*record_header_size) (const struct lib_ring_buffer_config *config,
struct channel *chan, size_t offset,
size_t *pre_header_padding,
- struct lib_ring_buffer_ctx *ctx);
+ struct lib_ring_buffer_ctx *ctx,
+ void *client_ctx);
/* Slow path only, at subbuffer switch */
size_t (*subbuffer_header_size) (void);
*
* wakeup:
*
- * RING_BUFFER_WAKEUP_BY_TIMER uses per-cpu deferrable timers to poll the
+ * RING_BUFFER_WAKEUP_BY_TIMER uses per-cpu timers to poll the
* buffers and wake up readers if data is ready. Mainly useful for tracers which
* don't want to call into the wakeup code on the tracing path. Use in
* combination with "read_timer_interval" channel_create() argument.
*/
u64 tsc; /* time-stamp counter value */
unsigned int rflags; /* reservation flags */
+ /* Cache backend pages pointer chasing. */
+ struct lib_ring_buffer_backend_pages *backend_pages;
};
/**
ctx->largest_align = largest_align;
ctx->cpu = cpu;
ctx->rflags = 0;
+ ctx->backend_pages = NULL;
}
/*
return 0;
}
-#include "../../wrapper/ringbuffer/vatomic.h"
+#include <wrapper/ringbuffer/vatomic.h>
#endif /* _LIB_RING_BUFFER_CONFIG_H */