X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=lib%2Fringbuffer%2Fconfig.h;h=05985197ff930ee3b6a889f36abbbc5f6599aa06;hb=4d0e0310925957fc042dc65d8f109d56fed2c4ab;hp=63189b950faa68fa4e5e348c41f1aba55dcdc098;hpb=c075712b6e6ba766c844f4504ac012c49d1f6b4b;p=lttng-modules.git

diff --git a/lib/ringbuffer/config.h b/lib/ringbuffer/config.h
index 63189b95..05985197 100644
--- a/lib/ringbuffer/config.h
+++ b/lib/ringbuffer/config.h
@@ -48,7 +48,8 @@ struct lib_ring_buffer_client_cb {
 	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);
@@ -200,6 +201,8 @@ struct lib_ring_buffer_ctx {
 					 */
 	u64 tsc;			/* time-stamp counter value */
 	unsigned int rflags;		/* reservation flags */
+	/* Cache backend pages pointer chasing. */
+	struct lib_ring_buffer_backend_pages *backend_pages;
 };
 
 /**
@@ -223,6 +226,7 @@ void lib_ring_buffer_ctx_init(struct lib_ring_buffer_ctx *ctx,
 	ctx->largest_align = largest_align;
 	ctx->cpu = cpu;
 	ctx->rflags = 0;
+	ctx->backend_pages = NULL;
 }
 
 /*