X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Ftrace.h;h=f6f20ab667f51e763ecb0784cd1c232cf28ecc3e;hb=cc544c4d0506c9149185cedccc7a857034b5ac29;hp=e91b4954d089b2b8bddd4750b23d0332f7ac5f65;hpb=eed2ef37f908daf7b3f884b5d8f91dad03f10526;p=lttv.git diff --git a/ltt/branches/poly/ltt/trace.h b/ltt/branches/poly/ltt/trace.h index e91b4954..f6f20ab6 100644 --- a/ltt/branches/poly/ltt/trace.h +++ b/ltt/branches/poly/ltt/trace.h @@ -1,5 +1,6 @@ /* This file is part of the Linux Trace Toolkit trace reading library * Copyright (C) 2003-2004 Michel Dagenais + * 2005 Mathieu Desnoyers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -20,9 +21,40 @@ #define TRACE_H #include +#include +#include + +struct LttTrace { + GQuark pathname; //the pathname of the trace + //LttSystemDescription * system_description;//system description + + guint num_cpu; + + guint32 arch_type; + guint32 arch_variant; + guint8 arch_size; + guint8 ltt_major_version; + guint8 ltt_minor_version; + guint8 flight_recorder; + guint32 freq_scale; + uint64_t start_freq; + uint64_t start_tsc; + uint64_t start_monotonic; + LttTime start_time; + LttTime start_time_from_tsc; + + GData *tracefiles; //tracefiles groups + /* Support for markers */ + GArray *markers; //indexed by marker ID + GHashTable *markers_hash; //indexed by name hash + GHashTable *markers_format_hash; //indexed by name hash +}; + + extern GQuark LTT_FACILITY_NAME_HEARTBEAT, - LTT_EVENT_NAME_HEARTBEAT; + LTT_EVENT_NAME_HEARTBEAT, + LTT_EVENT_NAME_HEARTBEAT_FULL; /* A trace is specified as a pathname to the directory containing all the associated data (control tracefiles, per cpu tracefiles, event @@ -43,10 +75,11 @@ LttTrace *ltt_trace_open(const gchar *pathname); */ LttTrace *ltt_trace_copy(LttTrace *self); -GQuark ltt_trace_name(LttTrace *t); +GQuark ltt_trace_name(const LttTrace *t); void ltt_trace_close(LttTrace *t); +guint ltt_trace_get_num_cpu(LttTrace *t); LttSystemDescription *ltt_trace_system_description(LttTrace *t); @@ -56,20 +89,18 @@ LttSystemDescription *ltt_trace_system_description(LttTrace *t); versions of a facility (same name, different checksum) have consecutive positions. */ -unsigned ltt_trace_facility_number(LttTrace *t); - -LttFacility *ltt_trace_facility_get(LttTrace *t, unsigned i); +//unsigned ltt_trace_facility_number(LttTrace *t); -LttFacility * ltt_trace_facility_by_id(LttTrace * trace, guint8 id); +//LttFacility * ltt_trace_facility_by_id(LttTrace * trace, guint8 id); /* Returns an array of indexes (guint) that matches the facility name */ -GArray *ltt_trace_facility_get_by_name(LttTrace *t, GQuark name); +//GArray *ltt_trace_facility_get_by_name(LttTrace *t, GQuark name); /* Functions to discover all the event types in the trace */ -unsigned ltt_trace_eventtype_number(LttTrace *t); +//unsigned ltt_trace_eventtype_number(LttTrace *t); -LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned i); +//LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned i); /* Get the start time and end time of the trace */ @@ -79,8 +110,20 @@ void ltt_trace_time_span_get(LttTrace *t, LttTime *start, LttTime *end); /* Get the name of a tracefile */ -GQuark ltt_tracefile_name(LttTracefile *tf); +GQuark ltt_tracefile_name(const LttTracefile *tf); +GQuark ltt_tracefile_long_name(const LttTracefile *tf); + +/* get the cpu number of the tracefile */ + +guint ltt_tracefile_cpu(LttTracefile *tf); + +/* For usertrace */ +guint ltt_tracefile_tid(LttTracefile *tf); +guint ltt_tracefile_pgid(LttTracefile *tf); +guint64 ltt_tracefile_creation(LttTracefile *tf); + +LttTrace *ltt_tracefile_get_trace(LttTracefile *tf); /* Get the number of blocks in the tracefile */ @@ -134,9 +177,13 @@ gchar * ltt_trace_system_description_domain_name (LttSystemDescription * s); gchar * ltt_trace_system_description_description (LttSystemDescription * s); -/* get the start time of the trace */ +/* get the NTP start time of the trace */ -LttTime ltt_trace_system_description_trace_start_time(LttSystemDescription *s); +LttTime ltt_trace_start_time(LttTrace *t); + +/* get the monotonic start time of the trace */ + +LttTime ltt_trace_start_time_monotonic(LttTrace *t); /* copy tracefile info over another. Used for sync. */ LttTracefile *ltt_tracefile_new(); @@ -145,7 +192,8 @@ void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src); void get_absolute_pathname(const gchar *pathname, gchar * abs_pathname); -GData *ltt_trace_get_tracefiles_groups(LttTrace *trace); +/* May return a NULL tracefile group */ +GData **ltt_trace_get_tracefiles_groups(LttTrace *trace); typedef void (*ForEachTraceFileFunc)(LttTracefile *tf, gpointer func_args); @@ -154,14 +202,25 @@ struct compute_tracefile_group_args { gpointer func_args; }; -void compute_tracefile_group(GArray *group, - struct compute_tracefile_group_args args); -LttFacility *ltt_trace_get_facility_by_num(LttTrace *t, guint num); +void compute_tracefile_group(GQuark key_id, + GArray *group, + struct compute_tracefile_group_args *args); + +//LttFacility *ltt_trace_get_facility_by_num(LttTrace *t, guint num); + + +//gint check_fields_compatibility(LttEventType *event_type1, +// LttEventType *event_type2, +// LttField *field1, LttField *field2); + +gint64 ltt_get_int(gboolean reverse_byte_order, gint size, void *data); + +guint64 ltt_get_uint(gboolean reverse_byte_order, gint size, void *data); +LttTime ltt_interpolate_time_from_tsc(LttTracefile *tf, guint64 tsc); -gint check_fields_compatibility(LttEventType *event_type1, - LttEventType *event_type2, - LttField *field1, LttField *field2); +/* Set to enable event debugging output */ +void ltt_event_debug(int state); #endif // TRACE_H