X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Fevent.c;h=8d1733409d7e6c15396a6e9489bfad5f9024cbc5;hb=a7074914336ce23cf36d7b8f3ba940e323e778b2;hp=8011782a6be589617d8cd7f830163e296fe614a7;hpb=647142533be90e1115ba4e06d0a959190797a541;p=lttv.git diff --git a/ltt/branches/poly/ltt/event.c b/ltt/branches/poly/ltt/event.c index 8011782a..8d173340 100644 --- a/ltt/branches/poly/ltt/event.c +++ b/ltt/branches/poly/ltt/event.c @@ -1,153 +1,7 @@ -/* This file is part of the Linux Trace Toolkit viewer - * Copyright (C) 2003-2004 Xiangxiu Yang - * 2006 Mathieu Desnoyers - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License Version 2.1 as published by the Free Software Foundation. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include -#include -#include - -#include -#include -#include "parser.h" -#include -#include "ltt-private.h" #include -#include #include - - - -void compute_fields_offsets(LttTracefile *tf, - LttFacility *fac, LttField *field, off_t *offset, void *root); - - -LttEvent *ltt_event_new() -{ - return g_new(LttEvent, 1); -} - -void ltt_event_destroy(LttEvent *event) -{ - g_free(event); -} - - -/***************************************************************************** - *Function name - * ltt_event_eventtype_id: get event type id - * (base id + position of the event) - *Input params - * e : an instance of an event type - *Return value - * unsigned : event type id - ****************************************************************************/ - -unsigned ltt_event_eventtype_id(const LttEvent *e) -{ - return (unsigned) e->event_id; -} - -/***************************************************************************** - *Function name - * ltt_event_facility : get the facility of the event - *Input params - * e : an instance of an event type - *Return value - * LttFacility * : the facility of the event - ****************************************************************************/ - -LttFacility *ltt_event_facility(const LttEvent *e) -{ - LttTrace * trace = e->tracefile->trace; - unsigned id = e->facility_id; - LttFacility *facility = ltt_trace_facility_by_id(trace,id); - - g_assert(facility->exists); - - return facility; -} - -/***************************************************************************** - *Function name - * ltt_event_facility_id : get the facility id of the event - *Input params - * e : an instance of an event type - *Return value - * unsigned : the facility of the event - ****************************************************************************/ - -unsigned ltt_event_facility_id(const LttEvent *e) -{ - return e->facility_id; -} - -/***************************************************************************** - *Function name - * ltt_event_eventtype : get the event type of the event - *Input params - * e : an instance of an event type - *Return value - * LttEventType * : the event type of the event - ****************************************************************************/ - -LttEventType *ltt_event_eventtype(const LttEvent *e) -{ - LttFacility* facility = ltt_event_facility(e); - if(!facility) return NULL; - return &g_array_index(facility->events, LttEventType, e->event_id); -} - - -/***************************************************************************** - *Function name - * ltt_event_time : get the time of the event - *Input params - * e : an instance of an event type - *Return value - * LttTime : the time of the event - ****************************************************************************/ - -LttTime ltt_event_time(const LttEvent *e) -{ - return e->event_time; -} - -/***************************************************************************** - *Function name - * ltt_event_time : get the cycle count of the event - *Input params - * e : an instance of an event type - *Return value - * LttCycleCount : the cycle count of the event - ****************************************************************************/ - -LttCycleCount ltt_event_cycle_count(const LttEvent *e) -{ - return e->tsc; -} - - +#include /***************************************************************************** *Function name @@ -170,6 +24,16 @@ void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf, } +void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf, + guint block, guint offset, guint64 tsc) +{ + ep->tracefile = tf; + ep->block = block; + ep->offset = offset; + ep->tsc = tsc; +} + + /***************************************************************************** *Function name * ltt_event_position : get the event's position @@ -256,466 +120,187 @@ LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep) } /***************************************************************************** - *Function name - * ltt_event_cpu_i: get the cpu id where the event happens - *Input params - * e : an instance of an event type - *Return value - * unsigned : the cpu id - ****************************************************************************/ - -unsigned ltt_event_cpu_id(LttEvent *e) -{ - return e->tracefile->cpu_num; -} - -/***************************************************************************** - *Function name - * ltt_event_data : get the raw data for the event - *Input params - * e : an instance of an event type - *Return value - * void * : pointer to the raw data for the event - ****************************************************************************/ - -void *ltt_event_data(LttEvent *e) -{ - return e->data; -} - -/***************************************************************************** - *Function name - * ltt_event_field_element_number - * : The number of elements in a sequence field is specific - * to each event. This function returns the number of - * elements for an array or sequence field in an event. - *Input params - * e : an instance of an event type - * f : a field of the instance - *Return value - * unsigned : the number of elements for an array/sequence field - ****************************************************************************/ -guint64 ltt_event_field_element_number(LttEvent *e, LttField *f) -{ - if(f->field_type.type_class != LTT_ARRAY && - f->field_type.type_class != LTT_SEQUENCE) - return 0; - - if(f->field_type.type_class == LTT_ARRAY) - return f->field_type.size; - return ltt_event_get_long_unsigned(e, &g_array_index(f->field_type.fields, - LttField, 0)); -} - -/***************************************************************************** - *Function name - * ltt_event_field_element_select - * : Set the currently selected element for a sequence or - * array field - * O(1) because of offset array. - *Input params - * e : an instance of an event type - * f : a field of the instance - * i : the ith element (0, ...) - *returns : the child field, at the right index, updated. + * These functions extract data from an event after architecture specific + * conversions ****************************************************************************/ -LttField *ltt_event_field_element_select(LttEvent *e, LttField *f, gulong i) +guint32 ltt_event_get_unsigned(LttEvent *e, struct marker_field *f) { - gulong element_number; - LttField *field; - unsigned int k; - size_t size; - LttEventType *event_type; - off_t new_offset; - - if(f->field_type.type_class != LTT_ARRAY && - f->field_type.type_class != LTT_SEQUENCE) - return NULL; - - element_number = ltt_event_field_element_number(e,f); - event_type = ltt_event_eventtype(e); - /* Sanity check for i : 0..n-1 only, and must be lower or equal element_number - */ - if(i >= element_number) return NULL; - - if(f->field_type.type_class == LTT_ARRAY) { - field = &g_array_index(f->field_type.fields, LttField, 0); - } else { - field = &g_array_index(f->field_type.fields, LttField, 1); - } - - if(field->field_size != 0) { - if(f->array_offset + (i * field->field_size) == field->offset_root) - return field; /* fixed length child, already at the right offset */ - else - new_offset = f->array_offset + (i * field->field_size); + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); } else { - /* Var. len. child */ - new_offset = g_array_index(f->dynamic_offsets, off_t, i); + reverse_byte_order = LTT_GET_BO(e->tracefile); } - compute_fields_offsets(e->tracefile, - ltt_event_facility(e), field, &new_offset, e->data); - return field; -} - - -off_t ltt_event_field_offset(LttEvent *e, LttField *f) -{ - return f->offset_root; -} - - - -/***************************************************************************** - * These functions extract data from an event after architecture specific - * conversions - ****************************************************************************/ -guint32 ltt_event_get_unsigned(LttEvent *e, LttField *f) -{ - gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); - - switch(f->field_size) { + switch(f->size) { case 1: { - guint8 x = *(guint8 *)(e->data + f->offset_root); + guint8 x = *(guint8 *)(e->data + f->offset); return (guint32) x; } break; case 2: - return (guint32)ltt_get_uint16(reverse_byte_order, e->data + f->offset_root); + return (guint32)ltt_get_uint16(reverse_byte_order, e->data + f->offset); break; case 4: - return (guint32)ltt_get_uint32(reverse_byte_order, e->data + f->offset_root); + return (guint32)ltt_get_uint32(reverse_byte_order, e->data + f->offset); break; case 8: default: - g_critical("ltt_event_get_unsigned : field size %i unknown", f->field_size); + g_critical("ltt_event_get_unsigned : field size %i unknown", f->size); return 0; break; } } -gint32 ltt_event_get_int(LttEvent *e, LttField *f) +gint32 ltt_event_get_int(LttEvent *e, struct marker_field *f) { - gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); - - switch(f->field_size) { + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } + + switch(f->size) { case 1: { - gint8 x = *(gint8 *)(e->data + f->offset_root); + gint8 x = *(gint8 *)(e->data + f->offset); return (gint32) x; } break; case 2: - return (gint32)ltt_get_int16(reverse_byte_order, e->data + f->offset_root); + return (gint32)ltt_get_int16(reverse_byte_order, e->data + f->offset); break; case 4: - return (gint32)ltt_get_int32(reverse_byte_order, e->data + f->offset_root); + return (gint32)ltt_get_int32(reverse_byte_order, e->data + f->offset); break; case 8: default: - g_critical("ltt_event_get_int : field size %i unknown", f->field_size); + g_critical("ltt_event_get_int : field size %i unknown", f->size); return 0; break; } } -guint64 ltt_event_get_long_unsigned(LttEvent *e, LttField *f) +guint64 ltt_event_get_long_unsigned(LttEvent *e, struct marker_field *f) { - gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } - switch(f->field_size) { + switch(f->size) { case 1: { - guint8 x = *(guint8 *)(e->data + f->offset_root); + guint8 x = *(guint8 *)(e->data + f->offset); return (guint64) x; } break; case 2: - return (guint64)ltt_get_uint16(reverse_byte_order, e->data + f->offset_root); + return (guint64)ltt_get_uint16(reverse_byte_order, e->data + f->offset); break; case 4: - return (guint64)ltt_get_uint32(reverse_byte_order, e->data + f->offset_root); + return (guint64)ltt_get_uint32(reverse_byte_order, e->data + f->offset); break; case 8: - return ltt_get_uint64(reverse_byte_order, e->data + f->offset_root); + return ltt_get_uint64(reverse_byte_order, e->data + f->offset); break; default: - g_critical("ltt_event_get_long_unsigned : field size %i unknown", f->field_size); + g_critical("ltt_event_get_long_unsigned : field size %i unknown", f->size); return 0; break; } } -gint64 ltt_event_get_long_int(LttEvent *e, LttField *f) +gint64 ltt_event_get_long_int(LttEvent *e, struct marker_field *f) { - gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + reverse_byte_order = LTT_GET_BO(e->tracefile); + } - switch(f->field_size) { + switch(f->size) { case 1: { - gint8 x = *(gint8 *)(e->data + f->offset_root); + gint8 x = *(gint8 *)(e->data + f->offset); return (gint64) x; } break; case 2: - return (gint64)ltt_get_int16(reverse_byte_order, e->data + f->offset_root); + return (gint64)ltt_get_int16(reverse_byte_order, e->data + f->offset); break; case 4: - return (gint64)ltt_get_int32(reverse_byte_order, e->data + f->offset_root); + return (gint64)ltt_get_int32(reverse_byte_order, e->data + f->offset); break; case 8: - return ltt_get_int64(reverse_byte_order, e->data + f->offset_root); + return ltt_get_int64(reverse_byte_order, e->data + f->offset); break; default: - g_critical("ltt_event_get_long_int : field size %i unknown", f->field_size); + g_critical("ltt_event_get_long_int : field size %i unknown", f->size); return 0; break; } } -float ltt_event_get_float(LttEvent *e, LttField *f) +#if 0 +float ltt_event_get_float(LttEvent *e, struct marker_field *f) { - g_assert(LTT_HAS_FLOAT(e->tracefile)); - gboolean reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + g_assert(LTT_HAS_FLOAT(e->tracefile)); + reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); + } - g_assert(f->field_type.type_class == LTT_FLOAT && f->field_size == 4); + g_assert(f->field_type.type_class == LTT_FLOAT && f->size == 4); - if(reverse_byte_order == 0) return *(float *)(e->data + f->offset_root); + if(reverse_byte_order == 0) return *(float *)(e->data + f->offset); else{ - void *ptr = e->data + f->offset_root; + void *ptr = e->data + f->offset; guint32 value = bswap_32(*(guint32*)ptr); return *(float*)&value; } } -double ltt_event_get_double(LttEvent *e, LttField *f) +double ltt_event_get_double(LttEvent *e, struct marker_field *f) { - g_assert(LTT_HAS_FLOAT(e->tracefile)); - gboolean reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); + gboolean reverse_byte_order; + if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) { + reverse_byte_order = (g_ntohs(0x1) != 0x1); + } else { + g_assert(LTT_HAS_FLOAT(e->tracefile)); + reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); + } - if(f->field_size == 4) + if(f->size == 4) return ltt_event_get_float(e, f); - g_assert(f->field_type.type_class == LTT_FLOAT && f->field_size == 8); + g_assert(f->field_type.type_class == LTT_FLOAT && f->size == 8); - if(reverse_byte_order == 0) return *(double *)(e->data + f->offset_root); + if(reverse_byte_order == 0) return *(double *)(e->data + f->offset); else { - void *ptr = e->data + f->offset_root; + void *ptr = e->data + f->offset; guint64 value = bswap_64(*(guint64*)ptr); return *(double*)&value; } } +#endif /***************************************************************************** * The string obtained is only valid until the next read from * the same tracefile. ****************************************************************************/ -char *ltt_event_get_string(LttEvent *e, LttField *f) +char *ltt_event_get_string(LttEvent *e, struct marker_field *f) { - g_assert(f->field_type.type_class == LTT_STRING); + g_assert(f->type == LTT_TYPE_STRING); - return (gchar*)g_strdup((gchar*)(e->data + f->offset_root)); + return (gchar*)g_strdup((gchar*)(e->data + f->offset)); } -/***************************************************************************** - *Function name - * compute_fields_offsets : set the precomputable offset of the fields - *Input params - * fac : facility - * field : the field - * offset : pointer to the current offset, must be incremented - ****************************************************************************/ - - -void compute_fields_offsets(LttTracefile *tf, - LttFacility *fac, LttField *field, off_t *offset, void *root) -{ - LttType *type = &field->field_type; - - switch(type->type_class) { - case LTT_INT_FIXED: - case LTT_UINT_FIXED: - case LTT_POINTER: - case LTT_CHAR: - case LTT_UCHAR: - case LTT_SHORT: - case LTT_USHORT: - case LTT_INT: - case LTT_UINT: - case LTT_LONG: - case LTT_ULONG: - case LTT_SIZE_T: - case LTT_SSIZE_T: - case LTT_OFF_T: - case LTT_FLOAT: - case LTT_ENUM: - if(field->fixed_root == FIELD_VARIABLE) { - /* Align offset on type size */ - *offset += ltt_align(*offset, get_alignment(field), - fac->alignment); - /* remember offset */ - field->offset_root = *offset; - /* Increment offset */ - *offset += field->field_size; - } else { - //g_debug("type before offset : %llu %llu %u\n", *offset, - // field->offset_root, - // field->field_size); - *offset = field->offset_root; - *offset += field->field_size; - //g_debug("type after offset : %llu\n", *offset); - } - break; - case LTT_STRING: - if(field->fixed_root == FIELD_VARIABLE) { - field->offset_root = *offset; - } - *offset += strlen((gchar*)(root+*offset)) + 1; - /* Realign the data */ - *offset += ltt_align(*offset, fac->pointer_size, - fac->alignment); - break; - case LTT_ARRAY: - g_assert(type->fields->len == 1); - { - off_t local_offset; - LttField *child = &g_array_index(type->fields, LttField, 0); - if(field->fixed_root == FIELD_VARIABLE) { - *offset += ltt_align(*offset, get_alignment(field), - fac->alignment); - /* remember offset */ - field->offset_root = *offset; - field->array_offset = *offset; - } - - if(field->field_size != 0) { - /* Increment offset */ - /* field_size is the array size in bytes */ - *offset = field->offset_root + field->field_size; - } else { - guint i; - *offset = field->array_offset; - field->dynamic_offsets = g_array_set_size(field->dynamic_offsets, - 0); - for(i=0; isize; i++) { - g_array_append_val(field->dynamic_offsets, *offset); - compute_fields_offsets(tf, fac, child, offset, root); - } - } - // local_offset = field->array_offset; - // /* Set the offset at position 0 */ - // compute_fields_offsets(tf, fac, child, &local_offset, root); - } - break; - case LTT_SEQUENCE: - g_assert(type->fields->len == 2); - { - off_t local_offset; - LttField *child; - guint i; - guint num_elem; - if(field->fixed_root == FIELD_VARIABLE) { - *offset += ltt_align(*offset, get_alignment(field), - fac->alignment); - /* remember offset */ - field->offset_root = *offset; - - child = &g_array_index(type->fields, LttField, 0); - compute_fields_offsets(tf, fac, child, offset, root); - child = &g_array_index(type->fields, LttField, 1); - *offset += ltt_align(*offset, get_alignment(child), - fac->alignment); - field->array_offset = *offset; - - } else { - child = &g_array_index(type->fields, LttField, 1); - } - *offset = field->array_offset; - field->dynamic_offsets = g_array_set_size(field->dynamic_offsets, - 0); - num_elem = ltt_event_field_element_number(&tf->event, field); - for(i=0; idynamic_offsets, *offset); - compute_fields_offsets(tf, fac, child, offset, root); - } - g_assert(num_elem == field->dynamic_offsets->len); - - /* Realign the data */ - *offset += ltt_align(*offset, fac->pointer_size, - fac->alignment); - - // local_offset = field->array_offset; - // /* Set the offset at position 0 */ - // compute_fields_offsets(tf, fac, child, &local_offset, root); - } - break; - case LTT_STRUCT: - { - LttField *child; - guint i; - gint ret=0; - if(field->fixed_root == FIELD_VARIABLE) { - *offset += ltt_align(*offset, get_alignment(fac, field), - fac->alignment); - /* remember offset */ - field->offset_root = *offset; - } else { - *offset = field->offset_root; - } - for(i=0; ifields->len; i++) { - child = &g_array_index(type->fields, LttField, i); - compute_fields_offsets(tf, fac, child, offset, root); - } - } - break; - case LTT_UNION: - { - LttField *child; - guint i; - gint ret=0; - if(field->fixed_root == FIELD_VARIABLE) { - *offset += ltt_align(*offset, get_alignment(field), - fac->alignment); - /* remember offset */ - field->offset_root = *offset; - } - for(i=0; ifields->len; i++) { - *offset = field->offset_root; - child = &g_array_index(type->fields, LttField, i); - compute_fields_offsets(tf, fac, child, offset, root); - } - *offset = field->offset_root + field->field_size; - } - break; - case LTT_NONE: - default: - g_error("compute_fields_offsets : unknown type"); - } - -} - - -/***************************************************************************** - *Function name - * compute_offsets : set the dynamically computable offsets of an event type - *Input params - * tf : tracefile - * event : event type - * - ****************************************************************************/ -void compute_offsets(LttTracefile *tf, LttFacility *fac, - LttEventType *event, off_t *offset, void *root) -{ - guint i; - - /* compute all variable offsets */ - for(i=0; ifields->len; i++) { - //g_debug("computing offset %u of %u\n", i, event->fields->len-1); - LttField *field = &g_array_index(event->fields, LttField, i); - compute_fields_offsets(tf, fac, field, offset, root); - } - -}