#include <linux/kernel.h>
#include <linux/timex.h>
#include <linux/wait.h>
-#include <linux/marker.h>
#include <linux/trace-clock.h>
#include <asm/atomic.h>
#include <asm/local.h>
#include "ltt-tracer-core.h"
-#include "ltt-channels.h"
/* Number of bytes to log with a read/write event */
#define LTT_LOG_RW_SIZE 32L
-struct ltt_active_marker;
-
/* Maximum number of callbacks per marker */
#define LTT_NR_CALLBACKS 10
+struct ltt_serialize_closure;
+
+/* Serialization callback */
+typedef size_t (*ltt_serialize_cb)(struct lib_ring_buffer *buf,
+ size_t buf_offset,
+ struct ltt_serialize_closure *closure,
+ void *serialize_private,
+ unsigned int stack_pos_ctx,
+ int *largest_align,
+ const char *fmt, va_list *args);
+
struct ltt_serialize_closure {
ltt_serialize_cb *callbacks;
long cb_args[LTT_NR_CALLBACKS];
unsigned int cb_idx;
};
-size_t ltt_serialize_data(struct ltt_chanbuf *buf, size_t buf_offset,
+size_t ltt_serialize_data(struct lib_ring_buffer *buf, size_t buf_offset,
struct ltt_serialize_closure *closure,
void *serialize_private, unsigned int stack_pos_ctx,
int *largest_align, const char *fmt, va_list *args);
-struct ltt_available_probe {
- const char *name; /* probe name */
- const char *format;
- marker_probe_func *probe_func;
- ltt_serialize_cb callbacks[LTT_NR_CALLBACKS];
- struct list_head node; /* registered probes list */
-};
-
enum ltt_channels {
LTT_CHANNEL_METADATA,
LTT_CHANNEL_FD_STATE,
LTT_CHANNEL_DEFAULT,
};
-struct ltt_active_marker {
- struct list_head node; /* active markers list */
- const char *channel;
- const char *name;
- const char *format;
- struct ltt_available_probe *probe;
-};
-
-extern void ltt_vtrace(const struct marker *mdata, void *probe_data,
- 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, ...);
-
-size_t ltt_serialize_printf(struct ltt_chanbuf *buf, unsigned long buf_offset,
+#if 0
+size_t ltt_serialize_printf(struct lib_ring_buffer *buf, unsigned long buf_offset,
size_t *msg_size, char *output, size_t outlen,
const char *fmt);
unsigned long read;
};
-struct ltt_trace_ops {
- int (*create_dirs) (struct ltt_trace *new_trace);
- void (*remove_dirs) (struct ltt_trace *new_trace);
-};
-
-struct ltt_transport {
- char *name;
- struct module *owner;
- struct list_head node;
- struct ltt_trace_ops ops;
-};
-
enum trace_mode { LTT_TRACE_NORMAL, LTT_TRACE_FLIGHT, LTT_TRACE_HYBRID };
#define CHANNEL_FLAG_ENABLE (1U<<0)
#define CHANNEL_FLAG_OVERWRITE (1U<<1)
+#endif //0
+#if 0
/* Per-trace information - each trace/flight recorder represented by one */
struct ltt_trace {
/* First 32 bytes cache-hot cacheline */
wait_queue_head_t kref_wq; /* Place for ltt_trace_destroy to sleep */
char trace_name[NAME_MAX];
} ____cacheline_aligned;
+#endif //0
/*
* Hardcoded event headers
#include <linux/ringbuffer/api.h>
extern
-size_t ltt_write_event_header_slow(struct ltt_chanbuf_alloc *bufa,
- struct ltt_chan_alloc *chana,
- long buf_offset, u16 eID, u32 event_size,
- u64 tsc, unsigned int rflags);
+size_t ltt_write_event_header_slow(const struct lib_ring_buffer_config *config,
+ struct lib_ring_buffer_ctx *ctx,
+ u16 eID, u32 event_size);
/*
* ltt_write_event_header
void ltt_write_trace_header(void *priv,
struct subbuffer_header *header)
{
- struct ltt_trace *trace = priv;
+ struct ltt_session *session = priv;
header->magic_number = LTT_TRACER_MAGIC_NUMBER;
header->major_version = LTT_TRACER_VERSION_MAJOR;
header->minor_version = LTT_TRACER_VERSION_MINOR;
header->arch_size = sizeof(void *);
header->alignment = lib_ring_buffer_get_alignment();
- header->start_time_sec = trace->start_time.tv_sec;
- header->start_time_usec = trace->start_time.tv_usec;
- header->start_freq = trace->start_freq;
- header->freq_scale = trace->freq_scale;
+ header->start_time_sec = session->start_time.tv_sec;
+ header->start_time_usec = session->start_time.tv_usec;
+ header->start_freq = session->start_freq;
+ header->freq_scale = session->freq_scale;
}
/*
struct module *owner);
extern void ltt_module_unregister(enum ltt_module_function name);
-void ltt_transport_register(struct ltt_transport *transport);
-void ltt_transport_unregister(struct ltt_transport *transport);
-
/* Exported control function */
enum ltt_control_msg {
} new_trace;
};
-int _ltt_trace_setup(const char *trace_name);
-int ltt_trace_setup(const char *trace_name);
-struct ltt_trace *_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,
- const char *channel_name,
- unsigned int size);
-int ltt_trace_set_channel_subbufcount(const char *trace_name,
- const char *channel_name,
- unsigned int cnt);
-int ltt_trace_set_channel_switch_timer(const char *trace_name,
- const char *channel_name,
- unsigned long interval);
-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_control(enum ltt_control_msg msg, const char *trace_name,
- const char *trace_type, union ltt_control_args args);
-
-enum ltt_filter_control_msg {
- LTT_FILTER_DEFAULT_ACCEPT,
- LTT_FILTER_DEFAULT_REJECT
-};
-
-extern int ltt_filter_control(enum ltt_filter_control_msg msg,
- const char *trace_name);
-
-extern struct dentry *get_filter_root(void);
-
void ltt_core_register(int (*function)(u8, void *));
void ltt_core_unregister(void);
-void ltt_release_trace(struct kref *kref);
-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);
extern int ltt_marker_connect(const char *channel, const char *mname,
const char *pname);
extern int ltt_marker_disconnect(const char *channel, const char *mname,
const char *pname);
extern void ltt_dump_marker_state(struct ltt_trace *trace);
-void ltt_lock_traces(void);
-void ltt_unlock_traces(void);
-
-extern int ltt_ascii_create_dir(struct ltt_trace *new_trace);
-extern void ltt_ascii_remove_dir(struct ltt_trace *trace);
-extern int ltt_ascii_create(struct ltt_chan *chan);
-extern void ltt_ascii_remove(struct ltt_chan *chan);
-
extern
void ltt_statedump_register_kprobes_dump(void (*callback)(void *call_data));
extern