Move include/ust/ to include/lttng/

[lttng-ust.git] / libust / ltt-ring-buffer-client.h

diff --git a/libust/ltt-ring-buffer-client.h b/libust/ltt-ring-buffer-client.h
index 270cb1e9f1a77c2f4073e728225ffc35aa5ed696..a1bc8c32d1a43a8314bb6ec4cf3248b55c60c05b 100644 (file)
--- a/libust/ltt-ring-buffer-client.h
+++ b/libust/ltt-ring-buffer-client.h
@@ -9,9 +9,9 @@
  */
 
 #include <stdint.h>
-#include <ust/lttng-events.h>
-#include "ust/bitfield.h"
-#include "ust/clock.h"
+#include <lttng/ust-events.h>
+#include "lttng/bitfield.h"
+#include "lttng/clock.h"
 #include "ltt-tracer.h"
 #include "../libringbuffer/frontend_types.h"
 
@@ -59,7 +59,7 @@ size_t ctx_get_size(size_t offset, struct lttng_ctx *ctx)
        int i;
        size_t orig_offset = offset;
 
-       if (likely(!ctx))
+       if (caa_likely(!ctx))
                return 0;
        for (i = 0; i < ctx->nr_fields; i++)
                offset += ctx->fields[i].get_size(offset);
@@ -67,13 +67,13 @@ size_t ctx_get_size(size_t offset, struct lttng_ctx *ctx)
 }
 
 static inline
-void ctx_record(struct lib_ring_buffer_ctx *bufctx,
+void ctx_record(struct lttng_ust_lib_ring_buffer_ctx *bufctx,
                struct ltt_channel *chan,
                struct lttng_ctx *ctx)
 {
        int i;
 
-       if (likely(!ctx))
+       if (caa_likely(!ctx))
                return;
        for (i = 0; i < ctx->nr_fields; i++)
                ctx->fields[i].record(&ctx->fields[i], bufctx, chan);
@@ -93,10 +93,10 @@ void ctx_record(struct lib_ring_buffer_ctx *bufctx,
  * contains.
  */
 static __inline__
-unsigned char record_header_size(const struct lib_ring_buffer_config *config,
+unsigned char record_header_size(const struct lttng_ust_lib_ring_buffer_config *config,
                                 struct channel *chan, size_t offset,
                                 size_t *pre_header_padding,
-                                struct lib_ring_buffer_ctx *ctx)
+                                struct lttng_ust_lib_ring_buffer_ctx *ctx)
 {
        struct ltt_channel *ltt_chan = channel_get_private(chan);
        struct ltt_event *event = ctx->priv;
@@ -148,8 +148,8 @@ unsigned char record_header_size(const struct lib_ring_buffer_config *config,
 #include "../libringbuffer/api.h"
 
 static
-void ltt_write_event_header_slow(const struct lib_ring_buffer_config *config,
-                                struct lib_ring_buffer_ctx *ctx,
+void ltt_write_event_header_slow(const struct lttng_ust_lib_ring_buffer_config *config,
+                                struct lttng_ust_lib_ring_buffer_ctx *ctx,
                                 uint32_t event_id);
 
 /*
@@ -162,14 +162,14 @@ void ltt_write_event_header_slow(const struct lib_ring_buffer_config *config,
  * @event_id: event ID
  */
 static __inline__
-void ltt_write_event_header(const struct lib_ring_buffer_config *config,
-                           struct lib_ring_buffer_ctx *ctx,
+void ltt_write_event_header(const struct lttng_ust_lib_ring_buffer_config *config,
+                           struct lttng_ust_lib_ring_buffer_ctx *ctx,
                            uint32_t event_id)
 {
        struct ltt_channel *ltt_chan = channel_get_private(ctx->chan);
        struct ltt_event *event = ctx->priv;
 
-       if (unlikely(ctx->rflags))
+       if (caa_unlikely(ctx->rflags))
                goto slow_path;
 
        switch (ltt_chan->header_type) {
@@ -207,8 +207,8 @@ slow_path:
 }
 
 static
-void ltt_write_event_header_slow(const struct lib_ring_buffer_config *config,
-                                struct lib_ring_buffer_ctx *ctx,
+void ltt_write_event_header_slow(const struct lttng_ust_lib_ring_buffer_config *config,
+                                struct lttng_ust_lib_ring_buffer_ctx *ctx,
                                 uint32_t event_id)
 {
        struct ltt_channel *ltt_chan = channel_get_private(ctx->chan);
@@ -265,7 +265,7 @@ void ltt_write_event_header_slow(const struct lib_ring_buffer_config *config,
        lib_ring_buffer_align_ctx(ctx, ctx->largest_align);
 }
 
-static const struct lib_ring_buffer_config client_config;
+static const struct lttng_ust_lib_ring_buffer_config client_config;
 
 static u64 client_ring_buffer_clock_read(struct channel *chan)
 {
@@ -273,10 +273,10 @@ static u64 client_ring_buffer_clock_read(struct channel *chan)
 }
 
 static
-size_t client_record_header_size(const struct lib_ring_buffer_config *config,
+size_t client_record_header_size(const struct lttng_ust_lib_ring_buffer_config *config,
                                 struct channel *chan, size_t offset,
                                 size_t *pre_header_padding,
-                                struct lib_ring_buffer_ctx *ctx)
+                                struct lttng_ust_lib_ring_buffer_ctx *ctx)
 {
        return record_header_size(config, chan, offset,
                                  pre_header_padding, ctx);
@@ -294,9 +294,9 @@ static size_t client_packet_header_size(void)
        return offsetof(struct packet_header, ctx.header_end);
 }
 
-static void client_buffer_begin(struct lib_ring_buffer *buf, u64 tsc,
+static void client_buffer_begin(struct lttng_ust_lib_ring_buffer *buf, u64 tsc,
                                unsigned int subbuf_idx,
-                               struct shm_handle *handle)
+                               struct lttng_ust_shm_handle *handle)
 {
        struct channel *chan = shmp(handle, buf->backend.chan);
        struct packet_header *header =
@@ -322,9 +322,9 @@ static void client_buffer_begin(struct lib_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 lib_ring_buffer *buf, u64 tsc,
+static void client_buffer_end(struct lttng_ust_lib_ring_buffer *buf, u64 tsc,
                              unsigned int subbuf_idx, unsigned long data_size,
-                             struct shm_handle *handle)
+                             struct lttng_ust_shm_handle *handle)
 {
        struct channel *chan = shmp(handle, buf->backend.chan);
        struct packet_header *header =
@@ -347,17 +347,17 @@ static void client_buffer_end(struct lib_ring_buffer *buf, u64 tsc,
        header->ctx.events_discarded = records_lost;
 }
 
-static int client_buffer_create(struct lib_ring_buffer *buf, void *priv,
-                               int cpu, const char *name, struct shm_handle *handle)
+static int client_buffer_create(struct lttng_ust_lib_ring_buffer *buf, void *priv,
+                               int cpu, const char *name, struct lttng_ust_shm_handle *handle)
 {
        return 0;
 }
 
-static void client_buffer_finalize(struct lib_ring_buffer *buf, void *priv, int cpu, struct shm_handle *handle)
+static void client_buffer_finalize(struct lttng_ust_lib_ring_buffer *buf, void *priv, int cpu, struct lttng_ust_shm_handle *handle)
 {
 }
 
-static const struct lib_ring_buffer_config client_config = {
+static const struct lttng_ust_lib_ring_buffer_config client_config = {
        .cb.ring_buffer_clock_read = client_ring_buffer_clock_read,
        .cb.record_header_size = client_record_header_size,
        .cb.subbuffer_header_size = client_packet_header_size,
@@ -403,12 +403,12 @@ void ltt_channel_destroy(struct ltt_channel *ltt_chan)
 }
 
 static
-struct lib_ring_buffer *ltt_buffer_read_open(struct channel *chan,
-                                            struct shm_handle *handle,
+struct lttng_ust_lib_ring_buffer *ltt_buffer_read_open(struct channel *chan,
+                                            struct lttng_ust_shm_handle *handle,
                                             int *shm_fd, int *wait_fd,
                                             uint64_t *memory_map_size)
 {
-       struct lib_ring_buffer *buf;
+       struct lttng_ust_lib_ring_buffer *buf;
        int cpu;
 
        for_each_channel_cpu(cpu, chan) {
@@ -422,14 +422,14 @@ struct lib_ring_buffer *ltt_buffer_read_open(struct channel *chan,
 }
 
 static
-void ltt_buffer_read_close(struct lib_ring_buffer *buf,
-                          struct shm_handle *handle)
+void ltt_buffer_read_close(struct lttng_ust_lib_ring_buffer *buf,
+                          struct lttng_ust_shm_handle *handle)
 {
        lib_ring_buffer_release_read(buf, handle, 0);
 }
 
 static
-int ltt_event_reserve(struct lib_ring_buffer_ctx *ctx,
+int ltt_event_reserve(struct lttng_ust_lib_ring_buffer_ctx *ctx,
                      uint32_t event_id)
 {
        struct ltt_channel *ltt_chan = channel_get_private(ctx->chan);
@@ -464,14 +464,14 @@ put:
 }
 
 static
-void ltt_event_commit(struct lib_ring_buffer_ctx *ctx)
+void ltt_event_commit(struct lttng_ust_lib_ring_buffer_ctx *ctx)
 {
        lib_ring_buffer_commit(&client_config, ctx);
        lib_ring_buffer_put_cpu(&client_config);
 }
 
 static
-void ltt_event_write(struct lib_ring_buffer_ctx *ctx, const void *src,
+void ltt_event_write(struct lttng_ust_lib_ring_buffer_ctx *ctx, const void *src,
                     size_t len)
 {
        lib_ring_buffer_write(&client_config, ctx, src, len);
@@ -503,6 +503,25 @@ int ltt_is_disabled(struct channel *chan)
        return lib_ring_buffer_channel_is_disabled(chan);
 }
 
+static
+int ltt_flush_buffer(struct channel *chan, struct lttng_ust_shm_handle *handle)
+{
+       struct lttng_ust_lib_ring_buffer *buf;
+       int cpu;
+
+       for_each_channel_cpu(cpu, chan) {
+               int shm_fd, wait_fd;
+               uint64_t memory_map_size;
+
+               buf = channel_get_ring_buffer(&client_config, chan,
+                               cpu, handle, &shm_fd, &wait_fd,
+                               &memory_map_size);
+               lib_ring_buffer_switch(&client_config, buf,
+                               SWITCH_ACTIVE, handle);
+       }
+       return 0;
+}
+
 static struct ltt_transport ltt_relay_transport = {
        .name = "relay-" RING_BUFFER_MODE_TEMPLATE_STRING "-mmap",
        .ops = {
@@ -518,6 +537,7 @@ static struct ltt_transport ltt_relay_transport = {
                //.get_hp_wait_queue = ltt_get_hp_wait_queue,
                .is_finalized = ltt_is_finalized,
                .is_disabled = ltt_is_disabled,
+               .flush_buffer = ltt_flush_buffer,
        },
 };