X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Flttv%2Flttv%2Ftracecontext.h;h=1336160be970e70fbb17fb54d635a184bf8e2898;hb=598026baa39b5672b77d46e70a1434f975d52486;hp=654e3126a16f9f7faac628160b338f0db4fe2ad3;hpb=a43d67bae425508678e5ae2ffe5dd1e84286b915;p=lttv.git diff --git a/ltt/branches/poly/lttv/lttv/tracecontext.h b/ltt/branches/poly/lttv/lttv/tracecontext.h index 654e3126..1336160b 100644 --- a/ltt/branches/poly/lttv/lttv/tracecontext.h +++ b/ltt/branches/poly/lttv/lttv/tracecontext.h @@ -74,6 +74,14 @@ typedef struct _LttvTraceContextClass LttvTraceContextClass; 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)) @@ -85,14 +93,14 @@ struct _LttvTracesetContext { 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 { @@ -135,12 +143,11 @@ struct _LttvTraceContext { 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 { @@ -160,20 +167,16 @@ struct _LttvTracefileContext { 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 { @@ -189,92 +192,112 @@ GType lttv_tracefile_context_get_type (void); 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 @@ -283,7 +306,75 @@ typedef struct _LttvTraceHook { 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 }; + +typedef gboolean check_handler(guint count, gboolean *stop_flag, gpointer data); + +guint lttv_process_traceset_seek_n_forward(LttvTracesetContext *self, + guint n, + check_handler *check, + gboolean *stop_flag, + LttvFilter *filter1, + LttvFilter *filter2, + LttvFilter *filter3, + gpointer data); +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, + check_handler *check, + gboolean *stop_flag, + LttvFilter *filter1, + LttvFilter *filter2, + LttvFilter *filter3, + gpointer data); + #endif // PROCESSTRACE_H