typedef struct _LttvTracefileContext LttvTracefileContext;
typedef struct _LttvTracefileContextClass LttvTracefileContextClass;
+typedef struct _LttvTracesetContextPosition LttvTracesetContextPosition;
+typedef struct _LttvTraceContextPosition LttvTraceContextPosition;
+
+#ifndef LTTVFILTER_TYPE_DEFINED
+typedef struct _LttvFilter LttvFilter;
+#define LTTVFILTER_TYPE_DEFINED
+#endif
+
#define LTTV_TRACESET_CONTEXT_TYPE (lttv_traceset_context_get_type ())
#define LTTV_TRACESET_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), LTTV_TRACESET_CONTEXT_TYPE, LttvTracesetContext))
#define LTTV_TRACESET_CONTEXT_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST ((vtable), LTTV_TRACESET_CONTEXT_TYPE, LttvTracesetContextClass))
GObject parent;
LttvTraceset *ts;
- LttvHooks *before;
- LttvHooks *after;
LttvTraceContext **traces;
LttvAttribute *a;
LttvAttribute *ts_a;
- TimeInterval *Time_Span;
+ TimeInterval time_span;
GTree *pqueue;
- LttEvent *e; /* Last event read by lttv_process_traceset_middle */
+
+ LttvTracesetContextPosition *sync_position; /* position at which to sync the
+ trace context */
};
struct _LttvTracesetContextClass {
guint index; /* in ts_context->traces */
LttTrace *t;
LttvTrace *vt;
- LttvHooks *check;
- LttvHooks *before;
- LttvHooks *after;
- LttvTracefileContext **tracefiles;
+ //LttvTracefileContext **tracefiles;
+ GArray *tracefiles;
LttvAttribute *a;
LttvAttribute *t_a;
+ TimeInterval time_span;
};
struct _LttvTraceContextClass {
GObject parent;
LttvTraceContext *t_context;
- gboolean control;
+ // gboolean control;
guint index; /* in ts_context->tracefiles */
LttTracefile *tf;
- LttvHooks *check;
- LttvHooks *before;
- LttvHooks *after;
- LttEvent *e;
- LttvHooks *check_event;
- LttvHooks *before_event;
- LttvHooksById *before_event_by_id;
- LttvHooks *after_event;
- LttvHooksById *after_event_by_id;
+ // LttEvent *e;
+ LttvHooks *event;
+ LttvHooksById *event_by_id;
LttTime timestamp;
LttvAttribute *a;
+ gint target_pid; /* Target PID of the event.
+ Updated by state.c. -1 means unset. */
};
struct _LttvTracefileContextClass {
void lttv_process_traceset(LttvTracesetContext *self, LttTime end,
unsigned nb_events);
-/* Process traceset can also be done in smaller pieces calling begin, middle
- repeatedly, and end. The middle function return the number of events
- processed. It may be larger than nb_events if several events have the
- same timestamp. It will be smaller than nb_events if the end time
- is reached. */
+/* Process traceset can also be done in smaller pieces calling begin,
+ * then seek and middle repeatedly, and end. The middle function return the
+ * number of events processed. It will be smaller than nb_events if the end time
+ * or end position is reached. */
-void lttv_process_traceset_begin(LttvTracesetContext *self, LttTime end);
-guint lttv_process_traceset_middle(LttvTracesetContext *self, LttTime end,
- unsigned nb_events);
+void lttv_process_traceset_begin(LttvTracesetContext *self,
+ LttvHooks *before_traceset,
+ LttvHooks *before_trace,
+ LttvHooks *before_tracefile,
+ LttvHooks *event,
+ LttvHooksById *event_by_id);
+
+
+guint lttv_process_traceset_middle(LttvTracesetContext *self,
+ LttTime end,
+ guint nb_events,
+ const LttvTracesetContextPosition *end_position);
-void lttv_process_traceset_end(LttvTracesetContext *self);
+void lttv_process_traceset_end(LttvTracesetContext *self,
+ LttvHooks *after_traceset,
+ LttvHooks *after_trace,
+ LttvHooks *after_tracefile,
+ LttvHooks *event,
+ LttvHooksById *event_by_id);
void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start);
+gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self,
+ const LttvTracesetContextPosition *pos);
+
void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start);
void lttv_traceset_context_add_hooks(LttvTracesetContext *self,
- LttvHooks *before_traceset,
- LttvHooks *after_traceset,
- LttvHooks *check_trace,
+ LttvHooks *before_traceset,
LttvHooks *before_trace,
- LttvHooks *after_trace,
- LttvHooks *check_tracefile,
LttvHooks *before_tracefile,
- LttvHooks *after_tracefile,
- LttvHooks *check_event,
- LttvHooks *before_event,
- LttvHooks *after_event);
+ LttvHooks *event,
+ LttvHooksById *event_by_id);
void lttv_traceset_context_remove_hooks(LttvTracesetContext *self,
- LttvHooks *before_traceset,
LttvHooks *after_traceset,
- LttvHooks *check_trace,
- LttvHooks *before_trace,
LttvHooks *after_trace,
- LttvHooks *check_tracefile,
- LttvHooks *before_tracefile,
LttvHooks *after_tracefile,
- LttvHooks *check_event,
- LttvHooks *before_event,
- LttvHooks *after_event);
+ LttvHooks *event,
+ LttvHooksById *event_by_id);
void lttv_trace_context_add_hooks(LttvTraceContext *self,
- LttvHooks *check_trace,
- LttvHooks *before_trace,
- LttvHooks *after_trace);
+ LttvHooks *before_trace,
+ LttvHooks *before_tracefile,
+ LttvHooks *event,
+ LttvHooksById *event_by_id);
void lttv_trace_context_remove_hooks(LttvTraceContext *self,
- LttvHooks *check_trace,
- LttvHooks *before_trace,
- LttvHooks *after_trace);
+ LttvHooks *after_trace,
+ LttvHooks *after_tracefile,
+ LttvHooks *event,
+ LttvHooksById *event_by_id);
void lttv_tracefile_context_add_hooks(LttvTracefileContext *self,
- LttvHooks *check_tracefile,
- LttvHooks *before_tracefile,
- LttvHooks *after_tracefile,
- LttvHooks *check_event,
- LttvHooks *before_event,
- LttvHooks *after_event);
+ LttvHooks *before_tracefile,
+ LttvHooks *event,
+ LttvHooksById *event_by_id);
+
void lttv_tracefile_context_remove_hooks(LttvTracefileContext *self,
- LttvHooks *check_tracefile,
- LttvHooks *before_tracefile,
- LttvHooks *after_tracefile,
- LttvHooks *check_event,
- LttvHooks *before_event,
- LttvHooks *after_event);
+ LttvHooks *after_tracefile,
+ LttvHooks *event,
+ LttvHooksById *event_by_id);
+
void lttv_tracefile_context_add_hooks_by_id(LttvTracefileContext *self,
unsigned i,
- LttvHooks *before_event_by_id,
- LttvHooks *after_event_by_id);
+ LttvHooks *event_by_id);
void lttv_tracefile_context_remove_hooks_by_id(LttvTracefileContext *self,
unsigned i);
+/* A LttvTraceHook has two arrays of LttvTraceHookByFacility,
+ * indexed by facility ID and a simple array used to walk all the hooks */
typedef struct _LttvTraceHook {
+ GArray *fac_index;
+ GArray *fac_list;
+} LttvTraceHook;
+
+typedef struct _LttvTraceHookByFacility {
LttvHook h;
guint id;
LttField *f1;
LttField *f2;
LttField *f3;
-} LttvTraceHook;
+ gpointer hook_data;
+} LttvTraceHookByFacility;
+
+/* Get the first facility corresponding to the name. As the types must be
+ * compatible, it is relevant to use the field name and sizes of the first
+ * facility to create data structures and assume the data will be compatible
+ * thorough the trace */
+LttvTraceHookByFacility *lttv_trace_hook_get_first(LttvTraceHook *th);
+
+LttvTraceHookByFacility *lttv_trace_hook_get_fac(
+ LttvTraceHook *th, guint facility_id);
+
+void lttv_trace_hook_destroy(LttvTraceHook *th);
/* Search in the trace for the id of the named event type within the named
facility. Then, find the three (if non null) named fields. All that
registering a hook using this structure as event data;
it already contains the (up to three) needed fields handles. */
-void lttv_trace_find_hook(LttTrace *t, char *facility, char *event_type,
- char *field1, char *field2, char *field3, LttvHook h, LttvTraceHook *th);
+gint lttv_trace_find_hook(LttTrace *t, GQuark facility, GQuark event_type,
+ GQuark field1, GQuark field2, GQuark field3, LttvHook h,
+ gpointer hook_data, LttvTraceHook *th);
+
+LttvTracefileContext *lttv_traceset_context_get_current_tfc(
+ LttvTracesetContext *self);
+
+
+LttvTracesetContextPosition *lttv_traceset_context_position_new(
+ const LttvTracesetContext *self);
+
+void lttv_traceset_context_position_save(const LttvTracesetContext *self,
+ LttvTracesetContextPosition *pos);
+
+void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos);
+
+void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest,
+ const LttvTracesetContextPosition *src);
+
+gint lttv_traceset_context_pos_pos_compare(
+ const LttvTracesetContextPosition *pos1,
+ const LttvTracesetContextPosition *pos2);
+
+gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self,
+ const LttvTracesetContextPosition *pos2);
+
+LttTime lttv_traceset_context_position_get_time(
+ const LttvTracesetContextPosition *pos);
+
+gint compare_tracefile(gconstpointer a, gconstpointer b);
+
+
+/* Synchronisation helpers : save/restore synchronization between ltt traces and
+ * a traceset context. */
+void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *tsc);
+
+void lttv_process_traceset_get_sync_data(LttvTracesetContext *tsc);
+
+/* Seek n events forward and backward (without filtering) : only use these where
+ * necessary : the seek backward is costy. */
+
+#define BACKWARD_SEEK_MUL 2 /* Multiplication factor of time_offset between
+ backward seek iterations */
+
+static const LttTime seek_back_default_offset = { 1, 0 };
+
+guint lttv_process_traceset_seek_n_forward(LttvTracesetContext *self,
+ guint n,
+ LttvFilter *filter);
+typedef void (*seek_time_fct)(LttvTracesetContext *self, LttTime start);
+
+/* If first_offset is ltt_time_zero, it will choose a default value */
+guint lttv_process_traceset_seek_n_backward(LttvTracesetContext *self,
+ guint n,
+ LttTime first_offset,
+ seek_time_fct,
+ LttvFilter *filter);
+
#endif // PROCESSTRACE_H
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