X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Flttng-ring-buffer-metadata-client.h;h=86ec78f16abf7af75bc0ed9a3fae5ce66f64766b;hb=b4a626cb684d2797df0329dd80c2df95e490c621;hp=6c7f64c244cd6a241cdf9611a37eb8ae0b3923de;hpb=e20c0fec4a2e120143f2e71c63d9fcd664af55a4;p=lttng-modules.git

diff --git a/src/lttng-ring-buffer-metadata-client.h b/src/lttng-ring-buffer-metadata-client.h
index 6c7f64c2..86ec78f1 100644
--- a/src/lttng-ring-buffer-metadata-client.h
+++ b/src/lttng-ring-buffer-metadata-client.h
@@ -110,7 +110,8 @@ static void client_buffer_begin(struct lttng_kernel_ring_buffer *buf, u64 tsc,
  * subbuffer. data_size is between 1 and subbuf_size.
  */
 static void client_buffer_end(struct lttng_kernel_ring_buffer *buf, u64 tsc,
-			      unsigned int subbuf_idx, unsigned long data_size)
+			      unsigned int subbuf_idx, unsigned long data_size,
+			      const struct lttng_kernel_ring_buffer_ctx *ctx)
 {
 	struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan;
 	struct metadata_packet_header *header =
@@ -125,9 +126,9 @@ static void client_buffer_end(struct lttng_kernel_ring_buffer *buf, u64 tsc,
 	 * We do not care about the records lost count, because the metadata
 	 * channel waits and retry.
 	 */
-	(void) lib_ring_buffer_get_records_lost_full(&client_config, buf);
-	records_lost += lib_ring_buffer_get_records_lost_wrap(&client_config, buf);
-	records_lost += lib_ring_buffer_get_records_lost_big(&client_config, buf);
+	(void) lib_ring_buffer_get_records_lost_full(&client_config, ctx);
+	records_lost += lib_ring_buffer_get_records_lost_wrap(&client_config, ctx);
+	records_lost += lib_ring_buffer_get_records_lost_big(&client_config, ctx);
 	WARN_ON_ONCE(records_lost != 0);
 }
 
@@ -326,15 +327,17 @@ void lttng_event_commit(struct lttng_kernel_ring_buffer_ctx *ctx)
 
 static
 void lttng_event_write(struct lttng_kernel_ring_buffer_ctx *ctx, const void *src,
-		     size_t len)
+		     size_t len, size_t alignment)
 {
+	lib_ring_buffer_align_ctx(ctx, alignment);
 	lib_ring_buffer_write(&client_config, ctx, src, len);
 }
 
 static
 void lttng_event_write_from_user(struct lttng_kernel_ring_buffer_ctx *ctx,
-			       const void __user *src, size_t len)
+			       const void __user *src, size_t len, size_t alignment)
 {
+	lib_ring_buffer_align_ctx(ctx, alignment);
 	lib_ring_buffer_copy_from_user_inatomic(&client_config, ctx, src, len);
 }
 
@@ -352,6 +355,13 @@ void lttng_event_strcpy(struct lttng_kernel_ring_buffer_ctx *ctx, const char *sr
 	lib_ring_buffer_strcpy(&client_config, ctx, src, len, '#');
 }
 
+static
+void lttng_event_pstrcpy_pad(struct lttng_kernel_ring_buffer_ctx *ctx, const char *src,
+		size_t len)
+{
+	lib_ring_buffer_pstrcpy(&client_config, ctx, src, len, '\0');
+}
+
 static
 size_t lttng_packet_avail_size(struct lttng_kernel_ring_buffer_channel *chan)
 {
@@ -427,6 +437,7 @@ static struct lttng_transport lttng_relay_transport = {
 		.event_memset = lttng_event_memset,
 		.event_write = lttng_event_write,
 		.event_strcpy = lttng_event_strcpy,
+		.event_pstrcpy_pad = lttng_event_pstrcpy_pad,
 	},
 };