X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Flttv%2Flttv%2Ftracecontext.h;h=be9a951444110c4abe54ad9f2f8f0eebd3a9b295;hb=3c165eaf5aa1e60ce88c036cfb692ce3e1d81585;hp=77f9f63cdbf28402e0d8b62f143c9f20ae3bf6aa;hpb=2d262115fc06b5ffb6038207a6d0c1d5f81763c2;p=lttv.git diff --git a/ltt/branches/poly/lttv/lttv/tracecontext.h b/ltt/branches/poly/lttv/lttv/tracecontext.h index 77f9f63c..be9a9514 100644 --- a/ltt/branches/poly/lttv/lttv/tracecontext.h +++ b/ltt/branches/poly/lttv/lttv/tracecontext.h @@ -23,6 +23,7 @@ #include #include #include +#include /* This is the generic part of trace processing. All events within a certain time interval are accessed and processing hooks are called for @@ -77,6 +78,11 @@ 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)) @@ -93,6 +99,9 @@ struct _LttvTracesetContext { LttvAttribute *ts_a; TimeInterval time_span; GTree *pqueue; + + LttvTracesetContextPosition *sync_position; /* position at which to sync the + trace context */ }; struct _LttvTracesetContextClass { @@ -135,9 +144,11 @@ struct _LttvTraceContext { guint index; /* in ts_context->traces */ LttTrace *t; LttvTrace *vt; - LttvTracefileContext **tracefiles; + //LttvTracefileContext **tracefiles; + GArray *tracefiles; LttvAttribute *a; LttvAttribute *t_a; + TimeInterval time_span; }; struct _LttvTraceContextClass { @@ -157,14 +168,16 @@ struct _LttvTracefileContext { GObject parent; LttvTraceContext *t_context; - gboolean control; + // gboolean control; guint index; /* in ts_context->tracefiles */ LttTracefile *tf; - LttEvent *e; + // 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 { @@ -259,14 +272,23 @@ void lttv_tracefile_context_add_hooks_by_id(LttvTracefileContext *self, 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 { LttvHook h; guint id; LttField *f1; LttField *f2; LttField *f3; -} LttvTraceHook; + gpointer hook_data; +} LttvTraceHookByFacility; + + +/* Get the head of marker list correcponding to the given trace hook. + */ +struct marker_info *lttv_trace_hook_get_marker(LttvTraceHook *th); +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 @@ -275,27 +297,75 @@ 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 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); + const LttvTracesetContextPosition *pos1, + const LttvTracesetContextPosition *pos2); gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self, - const LttvTracesetContextPosition *pos); + const LttvTracesetContextPosition *pos2); -gint lttv_traceset_context_pos_pos_compare(const LttvTracesetContextPosition *a, - const LttvTracesetContextPosition *b); LttTime lttv_traceset_context_position_get_time( - const LttvTracesetContextPosition *pos); + 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