Rename "tsc" to "timestamp"

[lttng-modules.git] / src / lttng-ring-buffer-metadata-client.h

diff --git a/src/lttng-ring-buffer-metadata-client.h b/src/lttng-ring-buffer-metadata-client.h
index 6c7f64c244cd6a241cdf9611a37eb8ae0b3923de..d5e7c742e2ccd0e605dfeb5f801c024dcb1a842c 100644 (file)
--- a/src/lttng-ring-buffer-metadata-client.h
+++ b/src/lttng-ring-buffer-metadata-client.h
@@ -81,7 +81,7 @@ static size_t client_packet_header_size(void)
        return offsetof(struct metadata_packet_header, header_end);
 }
 
-static void client_buffer_begin(struct lttng_kernel_ring_buffer *buf, u64 tsc,
+static void client_buffer_begin(struct lttng_kernel_ring_buffer *buf, u64 timestamp,
                                unsigned int subbuf_idx)
 {
        struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan;
@@ -109,8 +109,9 @@ static void client_buffer_begin(struct lttng_kernel_ring_buffer *buf, u64 tsc,
  * offset is assumed to never be 0 here : never deliver a completely empty
  * 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)
+static void client_buffer_end(struct lttng_kernel_ring_buffer *buf, u64 timestamp,
+                             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);
 }
 
@@ -213,7 +214,7 @@ static const struct lttng_kernel_ring_buffer_config client_config = {
        .cb.buffer_create = client_buffer_create,
        .cb.buffer_finalize = client_buffer_finalize,
 
-       .tsc_bits = 0,
+       .timestamp_bits = 0,
        .alloc = RING_BUFFER_ALLOC_GLOBAL,
        .sync = RING_BUFFER_SYNC_GLOBAL,
        .mode = RING_BUFFER_MODE_TEMPLATE,
@@ -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,
        },
 };