X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-ring-buffer-client.h;h=8916ab0239a537215a310f05acf1b99c8ef97ff2;hb=refs%2Fheads%2Fstable-2.10;hp=d57dda192019a6f8bf78c825ff12bf7fddd01197;hpb=79150a4903b5f31695fcd1d9655555ba6dc4bfa4;p=lttng-modules.git

diff --git a/lttng-ring-buffer-client.h b/lttng-ring-buffer-client.h
index d57dda19..8916ab02 100644
--- a/lttng-ring-buffer-client.h
+++ b/lttng-ring-buffer-client.h
@@ -22,12 +22,12 @@
 
 #include <linux/module.h>
 #include <linux/types.h>
-#include "lib/bitfield.h"
-#include "wrapper/vmalloc.h"	/* for wrapper_vmalloc_sync_all() */
-#include "wrapper/trace-clock.h"
-#include "lttng-events.h"
-#include "lttng-tracer.h"
-#include "wrapper/ringbuffer/frontend_types.h"
+#include <lib/bitfield.h>
+#include <wrapper/vmalloc.h>	/* for wrapper_vmalloc_sync_all() */
+#include <wrapper/trace-clock.h>
+#include <lttng-events.h>
+#include <lttng-tracer.h>
+#include <wrapper/ringbuffer/frontend_types.h>
 
 #define LTTNG_COMPACT_EVENT_BITS	5
 #define LTTNG_COMPACT_TSC_BITS		27
@@ -170,14 +170,14 @@ size_t record_header_size(const struct lib_ring_buffer_config *config,
 		padding = 0;
 		WARN_ON_ONCE(1);
 	}
-	offset += ctx_get_size(offset, event->ctx);
 	offset += ctx_get_size(offset, lttng_chan->ctx);
+	offset += ctx_get_size(offset, event->ctx);
 
 	*pre_header_padding = padding;
 	return offset - orig_offset;
 }
 
-#include "wrapper/ringbuffer/api.h"
+#include <wrapper/ringbuffer/api.h>
 
 static
 void lttng_write_event_header_slow(const struct lib_ring_buffer_config *config,
@@ -464,9 +464,10 @@ static int client_stream_id(const struct lib_ring_buffer_config *config,
 			struct lib_ring_buffer *buf,
 			uint64_t *stream_id)
 {
-	struct packet_header *header = client_packet_header(config, buf);
-	*stream_id = header->stream_id;
+	struct channel *chan = buf->backend.chan;
+	struct lttng_channel *lttng_chan = channel_get_private(chan);
 
+	*stream_id = lttng_chan->id;
 	return 0;
 }
 
@@ -495,8 +496,7 @@ int client_instance_id(const struct lib_ring_buffer_config *config,
 		struct lib_ring_buffer *buf,
 		uint64_t *id)
 {
-	struct packet_header *header = client_packet_header(config, buf);
-	*id = header->stream_instance_id;
+	*id = buf->backend.cpu;
 
 	return 0;
 }
@@ -606,7 +606,7 @@ int lttng_event_reserve(struct lib_ring_buffer_ctx *ctx,
 	int ret, cpu;
 
 	cpu = lib_ring_buffer_get_cpu(&client_config);
-	if (cpu < 0)
+	if (unlikely(cpu < 0))
 		return -EPERM;
 	ctx->cpu = cpu;
 
@@ -624,8 +624,10 @@ int lttng_event_reserve(struct lib_ring_buffer_ctx *ctx,
 	}
 
 	ret = lib_ring_buffer_reserve(&client_config, ctx);
-	if (ret)
+	if (unlikely(ret))
 		goto put;
+	lib_ring_buffer_backend_get_pages(&client_config, ctx,
+			&ctx->backend_pages);
 	lttng_write_event_header(&client_config, ctx, event_id);
 	return 0;
 put: