X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=libust%2Ftracer.h;h=58aae583c6aa67d34684f5c8f896ce5116c214ab;hb=b5b073e22d34bec71259d39b8946354f170f01a9;hp=c680973953b05e6137b453b8cefc0bd54d52a19b;hpb=32072f29caaffb28dd8e14d64a26b5438dbd18cf;p=ust.git diff --git a/libust/tracer.h b/libust/tracer.h index c680973..58aae58 100644 --- a/libust/tracer.h +++ b/libust/tracer.h @@ -27,12 +27,11 @@ #include #include //#include "list.h" -#include "kernelcompat.h" -#include "buffer.h" -#include "relay.h" +#include +#include "buffers.h" #include "channels.h" #include "tracercore.h" -#include "marker.h" +#include /* Number of bytes to log with a read/write event */ #define LTT_LOG_RW_SIZE 32L @@ -57,7 +56,7 @@ struct ltt_serialize_closure; struct ltt_probe_private_data; /* Serialization callback '%k' */ -typedef size_t (*ltt_serialize_cb)(struct rchan_buf *buf, size_t buf_offset, +typedef size_t (*ltt_serialize_cb)(struct ust_buffer *buf, size_t buf_offset, struct ltt_serialize_closure *closure, void *serialize_private, int *largest_align, const char *fmt, va_list *args); @@ -68,7 +67,7 @@ struct ltt_serialize_closure { unsigned int cb_idx; }; -size_t ltt_serialize_data(struct rchan_buf *buf, size_t buf_offset, +extern size_t ltt_serialize_data(struct ust_buffer *buf, size_t buf_offset, struct ltt_serialize_closure *closure, void *serialize_private, int *largest_align, const char *fmt, va_list *args); @@ -110,9 +109,9 @@ struct ltt_active_marker { struct marker; //ust// extern void ltt_vtrace(const struct marker *mdata, void *probe_data, - void *call_data, const char *fmt, va_list *args); + struct registers *regs, void *call_data, const char *fmt, va_list *args); extern void ltt_trace(const struct marker *mdata, void *probe_data, - void *call_data, const char *fmt, ...); + struct registers *regs, void *call_data, const char *fmt, ...); /* * Unique ID assigned to each registered probe. @@ -143,7 +142,7 @@ struct user_dbg_data { struct ltt_trace_ops { /* First 32 bytes cache-hot cacheline */ int (*reserve_slot) (struct ltt_trace_struct *trace, - struct ltt_channel_struct *channel, + struct ust_channel *channel, void **transport_data, size_t data_size, size_t *slot_size, long *buf_offset, u64 *tsc, unsigned int *rflags, @@ -151,24 +150,24 @@ struct ltt_trace_ops { //ust// void (*commit_slot) (struct ltt_channel_struct *channel, //ust// void **transport_data, long buf_offset, //ust// size_t slot_size); - void (*wakeup_channel) (struct ltt_channel_struct *ltt_channel); + void (*wakeup_channel) (struct ust_channel *channel); int (*user_blocking) (struct ltt_trace_struct *trace, unsigned int index, size_t data_size, struct user_dbg_data *dbg); - /* End of first 32 bytes cacheline */ - int (*create_dirs) (struct ltt_trace_struct *new_trace); - void (*remove_dirs) (struct ltt_trace_struct *new_trace); - int (*create_channel) (const char *trace_name, - struct ltt_trace_struct *trace, - struct dentry *dir, const char *channel_name, - struct ltt_channel_struct *ltt_chan, - unsigned int subbuf_size, - unsigned int n_subbufs, int overwrite); - void (*finish_channel) (struct ltt_channel_struct *channel); - void (*remove_channel) (struct ltt_channel_struct *channel); - void (*user_errors) (struct ltt_trace_struct *trace, - unsigned int index, size_t data_size, - struct user_dbg_data *dbg); + /* End of first 32 bytes cacheline */ + int (*create_dirs) (struct ltt_trace_struct *new_trace); + void (*remove_dirs) (struct ltt_trace_struct *new_trace); + int (*create_channel) (const char *trace_name, + struct ltt_trace_struct *trace, + const char *channel_name, + struct ust_channel *channel, + unsigned int subbuf_size, + unsigned int n_subbufs, int overwrite); + void (*finish_channel) (struct ust_channel *channel); + void (*remove_channel) (struct ust_channel *channel); + void (*user_errors) (struct ltt_trace_struct *trace, + unsigned int index, size_t data_size, + struct user_dbg_data *dbg); } ____cacheline_aligned; struct ltt_transport { @@ -190,7 +189,7 @@ struct ltt_trace_struct { struct ltt_trace_ops *ops; int active; /* Second 32 bytes cache-hot cacheline */ - struct ltt_channel_struct *channels; + struct ust_channel *channels; unsigned int nr_channels; u32 freq_scale; u64 start_freq; @@ -299,7 +298,7 @@ static inline size_t ltt_subbuffer_header_size(void) } /* - * ltt_get_header_size + * ust_get_header_size * * Calculate alignment offset to 32-bits. This is the alignment offset of the * event header. @@ -317,8 +316,8 @@ static inline size_t ltt_subbuffer_header_size(void) * The payload must itself determine its own alignment from the biggest type it * contains. * */ -static inline unsigned char ltt_get_header_size( - struct ltt_channel_struct *channel, +static inline unsigned char ust_get_header_size( + struct ust_channel *channel, size_t offset, size_t data_size, size_t *before_hdr_pad, @@ -370,8 +369,7 @@ static inline unsigned char ltt_get_header_size( * returns : offset where the event data must be written. */ static inline size_t ltt_write_event_header(struct ltt_trace_struct *trace, - struct ltt_channel_struct *channel, - struct rchan_buf *buf, long buf_offset, + struct ust_buffer *buf, long buf_offset, u16 eID, size_t event_size, u64 tsc, unsigned int rflags) { @@ -393,44 +391,44 @@ static inline size_t ltt_write_event_header(struct ltt_trace_struct *trace, break; } header.id_time |= (u32)tsc & LTT_TSC_MASK; - ltt_relay_write(buf, buf_offset, &header, sizeof(header)); + ust_buffers_write(buf, buf_offset, &header, sizeof(header)); buf_offset += sizeof(header); switch (rflags) { case LTT_RFLAG_ID_SIZE_TSC: small_size = min_t(size_t, event_size, 0xFFFFU); - ltt_relay_write(buf, buf_offset, + ust_buffers_write(buf, buf_offset, (u16[]){ (u16)eID }, sizeof(u16)); buf_offset += sizeof(u16); - ltt_relay_write(buf, buf_offset, + ust_buffers_write(buf, buf_offset, (u16[]){ (u16)small_size }, sizeof(u16)); buf_offset += sizeof(u16); if (small_size == 0xFFFFU) { - ltt_relay_write(buf, buf_offset, + ust_buffers_write(buf, buf_offset, (u32[]){ (u32)event_size }, sizeof(u32)); buf_offset += sizeof(u32); } buf_offset += ltt_align(buf_offset, sizeof(u64)); - ltt_relay_write(buf, buf_offset, + ust_buffers_write(buf, buf_offset, (u64[]){ (u64)tsc }, sizeof(u64)); buf_offset += sizeof(u64); break; case LTT_RFLAG_ID_SIZE: small_size = min_t(size_t, event_size, 0xFFFFU); - ltt_relay_write(buf, buf_offset, + ust_buffers_write(buf, buf_offset, (u16[]){ (u16)eID }, sizeof(u16)); buf_offset += sizeof(u16); - ltt_relay_write(buf, buf_offset, + ust_buffers_write(buf, buf_offset, (u16[]){ (u16)small_size }, sizeof(u16)); buf_offset += sizeof(u16); if (small_size == 0xFFFFU) { - ltt_relay_write(buf, buf_offset, + ust_buffers_write(buf, buf_offset, (u32[]){ (u32)event_size }, sizeof(u32)); buf_offset += sizeof(u32); } break; case LTT_RFLAG_ID: - ltt_relay_write(buf, buf_offset, + ust_buffers_write(buf, buf_offset, (u16[]){ (u16)eID }, sizeof(u16)); buf_offset += sizeof(u16); break; @@ -465,7 +463,7 @@ static inline size_t ltt_write_event_header(struct ltt_trace_struct *trace, */ static inline int ltt_reserve_slot( struct ltt_trace_struct *trace, - struct ltt_channel_struct *channel, + struct ust_channel *channel, void **transport_data, size_t data_size, size_t *slot_size, @@ -552,8 +550,8 @@ enum ltt_module_function { LTT_FUNCTION_STATEDUMP }; -void ltt_transport_register(struct ltt_transport *transport); -void ltt_transport_unregister(struct ltt_transport *transport); +extern void ltt_transport_register(struct ltt_transport *transport); +extern void ltt_transport_unregister(struct ltt_transport *transport); /* Exported control function */ @@ -569,22 +567,22 @@ union ltt_control_args { } new_trace; }; -int _ltt_trace_setup(const char *trace_name); -int ltt_trace_setup(const char *trace_name); -struct ltt_trace_struct *_ltt_trace_find_setup(const char *trace_name); -int ltt_trace_set_type(const char *trace_name, const char *trace_type); -int ltt_trace_set_channel_subbufsize(const char *trace_name, +extern int _ltt_trace_setup(const char *trace_name); +extern int ltt_trace_setup(const char *trace_name); +extern struct ltt_trace_struct *_ltt_trace_find_setup(const char *trace_name); +extern int ltt_trace_set_type(const char *trace_name, const char *trace_type); +extern int ltt_trace_set_channel_subbufsize(const char *trace_name, const char *channel_name, unsigned int size); -int ltt_trace_set_channel_subbufcount(const char *trace_name, +extern int ltt_trace_set_channel_subbufcount(const char *trace_name, const char *channel_name, unsigned int cnt); -int ltt_trace_set_channel_enable(const char *trace_name, +extern int ltt_trace_set_channel_enable(const char *trace_name, const char *channel_name, unsigned int enable); -int ltt_trace_set_channel_overwrite(const char *trace_name, +extern int ltt_trace_set_channel_overwrite(const char *trace_name, const char *channel_name, unsigned int overwrite); -int ltt_trace_alloc(const char *trace_name); -int ltt_trace_destroy(const char *trace_name); -int ltt_trace_start(const char *trace_name); -int ltt_trace_stop(const char *trace_name); +extern int ltt_trace_alloc(const char *trace_name); +extern int ltt_trace_destroy(const char *trace_name); +extern int ltt_trace_start(const char *trace_name); +extern int ltt_trace_stop(const char *trace_name); enum ltt_filter_control_msg { LTT_FILTER_DEFAULT_ACCEPT, @@ -596,16 +594,16 @@ extern int ltt_filter_control(enum ltt_filter_control_msg msg, extern struct dentry *get_filter_root(void); -void ltt_write_trace_header(struct ltt_trace_struct *trace, +extern void ltt_write_trace_header(struct ltt_trace_struct *trace, struct ltt_subbuffer_header *header); -extern void ltt_buffer_destroy(struct ltt_channel_struct *ltt_chan); +extern void ltt_buffer_destroy(struct ust_channel *ltt_chan); -void ltt_core_register(int (*function)(u8, void *)); +extern void ltt_core_register(int (*function)(u8, void *)); -void ltt_core_unregister(void); +extern void ltt_core_unregister(void); -void ltt_release_trace(struct kref *kref); -void ltt_release_transport(struct kref *kref); +extern void ltt_release_trace(struct kref *kref); +extern void ltt_release_transport(struct kref *kref); extern int ltt_probe_register(struct ltt_available_probe *pdata); extern int ltt_probe_unregister(struct ltt_available_probe *pdata); @@ -615,9 +613,9 @@ extern int ltt_marker_disconnect(const char *channel, const char *mname, const char *pname); extern void ltt_dump_marker_state(struct ltt_trace_struct *trace); -void ltt_lock_traces(void); -void ltt_unlock_traces(void); +extern void ltt_lock_traces(void); +extern void ltt_unlock_traces(void); -struct ltt_trace_struct *_ltt_trace_find(const char *trace_name); +extern struct ltt_trace_struct *_ltt_trace_find(const char *trace_name); #endif /* _LTT_TRACER_H */