X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=trunk%2Flttv%2Fltt%2Ftracefile.c;h=680bcc46d730a4f56dbfbb65b9067784dcbe5f16;hb=27828bc1b0010ee87c2f68e31fb77fd4ae39fa6b;hp=24722d29808aaadce2fc9d845f66133df083be1a;hpb=0c2f49848e239920c666c0052d20ea5e23c5c6e7;p=lttv.git diff --git a/trunk/lttv/ltt/tracefile.c b/trunk/lttv/ltt/tracefile.c index 24722d29..680bcc46 100644 --- a/trunk/lttv/ltt/tracefile.c +++ b/trunk/lttv/ltt/tracefile.c @@ -32,9 +32,12 @@ #include #include #include +#include #include #include #include +#include +#include // For realpath #include @@ -48,6 +51,9 @@ #include #include +/* from marker.c */ +extern long marker_update_fields_offsets(struct marker_info *info, const char *data); + /* Tracefile names used in this file */ GQuark LTT_TRACEFILE_NAME_METADATA; @@ -79,16 +85,6 @@ LttTrace *father_trace = NULL; //void set_fields_offsets(LttTracefile *tf, LttEventType *event_type); //size_t get_fields_offsets(LttTracefile *tf, LttEventType *event_type, void *data); -#if 0 -/* get the size of the field type according to - * The facility size information. */ -static inline void preset_field_type_size(LttTracefile *tf, - LttEventType *event_type, - off_t offset_root, off_t offset_parent, - enum field_status *fixed_root, enum field_status *fixed_parent, - LttField *field); -#endif //0 - /* map a fixed size or a block information from the file (fd) */ static gint map_block(LttTracefile * tf, guint block_num); @@ -152,9 +148,9 @@ static int parse_trace_header(ltt_subbuffer_header_t *header, break; case 2: switch(header->minor_version) { - case 2: + case 3: { - struct ltt_subbuffer_header_2_2 *vheader = header; + struct ltt_subbuffer_header_2_3 *vheader = header; tf->buffer_header_size = ltt_subbuffer_header_size(); tf->tscbits = 27; tf->eventbits = 5; @@ -183,7 +179,7 @@ static int parse_trace_header(ltt_subbuffer_header_t *header, t->start_time_from_tsc = ltt_time_from_uint64( (double)t->start_tsc - * (1000000000.0 / tf->trace->freq_scale) + * 1000000000.0 * tf->trace->freq_scale / (double)t->start_freq); } } @@ -270,7 +266,7 @@ static gint ltt_tracefile_open(LttTrace *t, gchar * fileName, LttTracefile *tf) if(munmap(tf->buffer.head, PAGE_ALIGN(ltt_subbuffer_header_size()))) { - g_warning("unmap size : %u\n", + g_warning("unmap size : %zu\n", PAGE_ALIGN(ltt_subbuffer_header_size())); perror("munmap error"); g_assert(0); @@ -289,7 +285,7 @@ static gint ltt_tracefile_open(LttTrace *t, gchar * fileName, LttTracefile *tf) unmap_file: if(munmap(tf->buffer.head, PAGE_ALIGN(ltt_subbuffer_header_size()))) { - g_warning("unmap size : %u\n", + g_warning("unmap size : %zu\n", PAGE_ALIGN(ltt_subbuffer_header_size())); perror("munmap error"); g_assert(0); @@ -350,6 +346,8 @@ void get_absolute_pathname(const gchar *pathname, gchar * abs_pathname) /* Search for something like : .*_.* * * The left side is the name, the right side is the number. + * Exclude leading /. + * Exclude flight- prefix. */ static int get_tracefile_name_number(gchar *raw_name, @@ -367,6 +365,14 @@ static int get_tracefile_name_number(gchar *raw_name, gchar *endptr; gchar *tmpptr; + /* skip leading / */ + for(i = 0; i < raw_name_len-1;i++) { + if(raw_name[i] != '/') + break; + } + raw_name = &raw_name[i]; + raw_name_len = strlen(raw_name); + for(i=raw_name_len-1;i>=0;i--) { if(raw_name[i] == '_') break; } @@ -437,9 +443,12 @@ static int get_tracefile_name_number(gchar *raw_name, if(cpu_num == LONG_MIN || cpu_num == LONG_MAX) return -1; /* underflow / overflow */ + if (!strncmp(raw_name, "flight-", sizeof("flight-") - 1)) { + raw_name += sizeof("flight-") - 1; + underscore_pos -= sizeof("flight-") - 1; + } strncpy(char_name, raw_name, underscore_pos); char_name[underscore_pos] = '\0'; - *name = g_quark_from_string(char_name); *num = cpu_num; } @@ -459,7 +468,7 @@ void compute_tracefile_group(GQuark key_id, GArray *group, struct compute_tracefile_group_args *args) { - int i; + unsigned int i; LttTracefile *tf; for(i=0; ilen; i++) { @@ -473,9 +482,11 @@ void compute_tracefile_group(GQuark key_id, static void ltt_tracefile_group_destroy(gpointer data) { GArray *group = (GArray *)data; - int i; + unsigned int i; LttTracefile *tf; + if (group->len > 0) + destroy_marker_data(g_array_index (group, LttTracefile, 0).mdata); for(i=0; ilen; i++) { tf = &g_array_index (group, LttTracefile, i); if(tf->cpu_online) @@ -484,10 +495,10 @@ static void ltt_tracefile_group_destroy(gpointer data) g_array_free(group, TRUE); } -static gboolean ltt_tracefile_group_has_cpu_online(gpointer data) +static __attribute__ ((__unused__)) gboolean ltt_tracefile_group_has_cpu_online(gpointer data) { GArray *group = (GArray *)data; - int i; + unsigned int i; LttTracefile *tf; for(i=0; ilen; i++) { @@ -515,7 +526,8 @@ static int open_tracefiles(LttTrace *trace, gchar *root_path, gchar *relative_pa DIR *dir = opendir(root_path); struct dirent *entry; struct stat stat_buf; - int ret; + int ret, i; + struct marker_data *mdata; gchar path[PATH_MAX]; int path_len; @@ -586,7 +598,8 @@ static int open_tracefiles(LttTrace *trace, gchar *root_path, gchar *relative_pa g_debug("Tracefile name is %s and number is %u", g_quark_to_string(name), num); - + + mdata = NULL; tmp_tf.cpu_online = 1; tmp_tf.cpu_num = num; tmp_tf.name = name; @@ -601,15 +614,25 @@ static int open_tracefiles(LttTrace *trace, gchar *root_path, gchar *relative_pa group = g_array_sized_new (FALSE, TRUE, sizeof(LttTracefile), 10); g_datalist_id_set_data_full(&trace->tracefiles, name, group, ltt_tracefile_group_destroy); + mdata = allocate_marker_data(); + if (!mdata) + g_error("Error in allocating marker data"); } /* Add the per cpu tracefile to the named group */ unsigned int old_len = group->len; if(num+1 > old_len) group = g_array_set_size(group, num+1); + + g_assert(group->len > 0); + if (!mdata) + mdata = g_array_index (group, LttTracefile, 0).mdata; + g_array_index (group, LttTracefile, num) = tmp_tf; g_array_index (group, LttTracefile, num).event.tracefile = &g_array_index (group, LttTracefile, num); + for (i = 0; i < group->len; i++) + g_array_index (group, LttTracefile, i).mdata = mdata; } } @@ -624,7 +647,6 @@ static int open_tracefiles(LttTrace *trace, gchar *root_path, gchar *relative_pa static int ltt_process_metadata_tracefile(LttTracefile *tf) { int err; - guint i; while(1) { err = ltt_tracefile_read_seek(tf); @@ -648,19 +670,22 @@ static int ltt_process_metadata_tracefile(LttTracefile *tf) goto event_id_error; } else { char *pos; - const char *marker_name, *format; + const char *channel_name, *marker_name, *format; uint16_t id; guint8 int_size, long_size, pointer_size, size_t_size, alignment; switch((enum marker_id)tf->event.event_id) { case MARKER_ID_SET_MARKER_ID: - marker_name = pos = tf->event.data; - g_debug("Doing MARKER_ID_SET_MARKER_ID of marker %s", marker_name); + channel_name = pos = tf->event.data; + pos += strlen(channel_name) + 1; + marker_name = pos; + g_debug("Doing MARKER_ID_SET_MARKER_ID of marker %s.%s", + channel_name, marker_name); pos += strlen(marker_name) + 1; pos += ltt_align((size_t)pos, sizeof(guint16), tf->alignment); id = ltt_get_uint16(LTT_GET_BO(tf), pos); - g_debug("In MARKER_ID_SET_MARKER_ID of marker %s id %hu", - marker_name, id); + g_debug("In MARKER_ID_SET_MARKER_ID of marker %s.%s id %hu", + channel_name, marker_name, id); pos += sizeof(guint16); int_size = *(guint8*)pos; pos += sizeof(guint8); @@ -672,18 +697,24 @@ static int ltt_process_metadata_tracefile(LttTracefile *tf) pos += sizeof(guint8); alignment = *(guint8*)pos; pos += sizeof(guint8); - marker_id_event(tf->trace, g_quark_from_string(marker_name), + marker_id_event(tf->trace, + g_quark_from_string(channel_name), + g_quark_from_string(marker_name), id, int_size, long_size, pointer_size, size_t_size, alignment); break; case MARKER_ID_SET_MARKER_FORMAT: - marker_name = pos = tf->event.data; - g_debug("Doing MARKER_ID_SET_MARKER_FORMAT of marker %s", - marker_name); + channel_name = pos = tf->event.data; + pos += strlen(channel_name) + 1; + marker_name = pos; + g_debug("Doing MARKER_ID_SET_MARKER_FORMAT of marker %s.%s", + channel_name, marker_name); pos += strlen(marker_name) + 1; format = pos; pos += strlen(format) + 1; - marker_format_event(tf->trace, g_quark_from_string(marker_name), + marker_format_event(tf->trace, + g_quark_from_string(channel_name), + g_quark_from_string(marker_name), format); /* get information from dictionary TODO */ break; @@ -719,11 +750,11 @@ LttTrace *ltt_trace_open(const gchar *pathname) LttTrace * t; LttTracefile *tf; GArray *group; - int i, ret; + unsigned int i; + int ret; ltt_subbuffer_header_t *header; DIR *dir; struct dirent *entry; - guint control_found = 0; struct stat stat_buf; gchar path[PATH_MAX]; @@ -750,32 +781,24 @@ LttTrace *ltt_trace_open(const gchar *pathname) perror(path); continue; } - if(S_ISDIR(stat_buf.st_mode)) { - if(strcmp(entry->d_name, "control") == 0) { - control_found = 1; - } - } } closedir(dir); - if(!control_found) goto find_error; - /* Open all the tracefiles */ if(open_tracefiles(t, abs_path, "")) { g_warning("Error opening tracefile %s", abs_path); goto find_error; } - /* Parse each trace control/metadata_N files : get runtime fac. info */ + /* Parse each trace metadata_N files : get runtime fac. info */ group = g_datalist_id_get_data(&t->tracefiles, LTT_TRACEFILE_NAME_METADATA); if(group == NULL) { - g_error("Trace %s has no metadata tracefile", abs_path); - g_assert(0); - goto metadata_error; + g_warning("Trace %s has no metadata tracefile", abs_path); + goto find_error; } /* - * Get the trace information for the control/metadata_0 tracefile. + * Get the trace information for the metadata_0 tracefile. * Getting a correct trace start_time and start_tsc is insured by the fact * that no subbuffers are supposed to be lost in the metadata channel. * Therefore, the first subbuffer contains the start_tsc timestamp in its @@ -789,22 +812,23 @@ LttTrace *ltt_trace_open(const gchar *pathname) t->num_cpu = group->len; - ret = allocate_marker_data(t); - if (ret) - g_error("Error in allocating marker data"); + //ret = allocate_marker_data(t); + //if (ret) + // g_error("Error in allocating marker data"); for(i=0; ilen; i++) { tf = &g_array_index (group, LttTracefile, i); if (tf->cpu_online) if(ltt_process_metadata_tracefile(tf)) - goto metadata_error; + goto find_error; + // goto metadata_error; } return t; /* Error handling */ -metadata_error: - destroy_marker_data(t); +//metadata_error: +// destroy_marker_data(t); find_error: g_datalist_clear(&t->tracefiles); open_error: @@ -874,7 +898,7 @@ static void group_time_span_get(GQuark name, gpointer data, gpointer user_data) (struct tracefile_time_span_get_args*)user_data; GArray *group = (GArray *)data; - int i; + unsigned int i; LttTracefile *tf; LttTime tmp_start; LttTime tmp_end; @@ -1078,13 +1102,13 @@ LttTime ltt_interpolate_time_from_tsc(LttTracefile *tf, guint64 tsc) if(tsc > tf->trace->start_tsc) { time = ltt_time_from_uint64( (double)(tsc - tf->trace->start_tsc) - * (1000000000.0 / tf->trace->freq_scale) + * 1000000000.0 * tf->trace->freq_scale / (double)tf->trace->start_freq); time = ltt_time_add(tf->trace->start_time_from_tsc, time); } else { time = ltt_time_from_uint64( (double)(tf->trace->start_tsc - tsc) - * (1000000000.0 / tf->trace->freq_scale) + * 1000000000.0 * tf->trace->freq_scale / (double)tf->trace->start_freq); time = ltt_time_sub(tf->trace->start_time_from_tsc, time); } @@ -1197,10 +1221,10 @@ static void print_debug_event_header(LttEvent *ev, void *start_pos, void *end_po unsigned int offset = 0; int i, j; - g_printf("Event header (tracefile %s offset %llx):\n", + g_printf("Event header (tracefile %s offset %" PRIx64 "):\n", g_quark_to_string(ev->tracefile->long_name), - ((uint64_t)ev->tracefile->buffer.index * ev->tracefile->buf_size) - + (long)start_pos - (long)ev->tracefile->buffer.head); + ((uint64_t)ev->tracefile->buffer.index * ev->tracefile->buf_size) + + (long)start_pos - (long)ev->tracefile->buffer.head); while (offset < (long)end_pos - (long)start_pos) { g_printf("%8lx", (long)start_pos - (long)ev->tracefile->buffer.head + offset); @@ -1232,6 +1256,7 @@ int ltt_tracefile_read_update_event(LttTracefile *tf) void * pos; LttEvent *event; void *pos_aligned; + guint16 packed_evid; /* event id reader from the 5 bits in header */ event = &tf->event; pos = tf->buffer.head + event->offset; @@ -1243,11 +1268,11 @@ int ltt_tracefile_read_update_event(LttTracefile *tf) pos_aligned = pos; event->timestamp = ltt_get_uint32(LTT_GET_BO(tf), pos); - event->event_id = event->timestamp >> tf->tscbits; + event->event_id = packed_evid = event->timestamp >> tf->tscbits; event->timestamp = event->timestamp & tf->tsc_mask; pos += sizeof(guint32); - switch (event->event_id) { + switch (packed_evid) { case 29: /* LTT_RFLAG_ID_SIZE_TSC */ event->event_id = ltt_get_uint16(LTT_GET_BO(tf), pos); pos += sizeof(guint16); @@ -1281,7 +1306,7 @@ int ltt_tracefile_read_update_event(LttTracefile *tf) break; } - if (likely(event->event_id != 29)) { + if (likely(packed_evid != 29)) { /* No extended timestamp */ if (event->timestamp < (tf->buffer.tsc & tf->tsc_mask)) tf->buffer.tsc = ((tf->buffer.tsc & ~tf->tsc_mask) /* overflow */ @@ -1416,10 +1441,10 @@ static void print_debug_event_data(LttEvent *ev) if (!max(ev->event_size, ev->data_size)) return; - g_printf("Event data (tracefile %s offset %llx):\n", - g_quark_to_string(ev->tracefile->long_name), - ((uint64_t)ev->tracefile->buffer.index * ev->tracefile->buf_size) - + (long)ev->data - (long)ev->tracefile->buffer.head); + g_printf("Event data (tracefile %s offset %" PRIx64 "):\n", + g_quark_to_string(ev->tracefile->long_name), + ((uint64_t)ev->tracefile->buffer.index * ev->tracefile->buf_size) + + (long)ev->data - (long)ev->tracefile->buffer.head); while (offset < max(ev->event_size, ev->data_size)) { g_printf("%8lx", (long)ev->data + offset @@ -1460,29 +1485,32 @@ static void print_debug_event_data(LttEvent *ev) void ltt_update_event_size(LttTracefile *tf) { off_t size = 0; - char *tscdata; struct marker_info *info; - - switch((enum marker_id)tf->event.event_id) { - case MARKER_ID_SET_MARKER_ID: - size = strlen((char*)tf->event.data) + 1; - g_debug("marker %s id set", (char*)tf->event.data); - size += ltt_align(size, sizeof(guint16), tf->alignment); - size += sizeof(guint16); - size += sizeof(guint8); - size += sizeof(guint8); - size += sizeof(guint8); - size += sizeof(guint8); - size += sizeof(guint8); - break; - case MARKER_ID_SET_MARKER_FORMAT: - g_debug("marker %s format set", (char*)tf->event.data); - size = strlen((char*)tf->event.data) + 1; - size += strlen((char*)tf->event.data + size) + 1; - break; + + if (tf->name == LTT_TRACEFILE_NAME_METADATA) { + switch((enum marker_id)tf->event.event_id) { + case MARKER_ID_SET_MARKER_ID: + size = strlen((char*)tf->event.data) + 1; + g_debug("marker %s id set", (char*)tf->event.data + size); + size += strlen((char*)tf->event.data + size) + 1; + size += ltt_align(size, sizeof(guint16), tf->alignment); + size += sizeof(guint16); + size += sizeof(guint8); + size += sizeof(guint8); + size += sizeof(guint8); + size += sizeof(guint8); + size += sizeof(guint8); + break; + case MARKER_ID_SET_MARKER_FORMAT: + size = strlen((char*)tf->event.data) + 1; + g_debug("marker %s format set", (char*)tf->event.data); + size += strlen((char*)tf->event.data + size) + 1; + size += strlen((char*)tf->event.data + size) + 1; + break; + } } - info = marker_get_info_from_id(tf->trace, tf->event.event_id); + info = marker_get_info_from_id(tf->mdata, tf->event.event_id); if (tf->event.event_id >= MARKER_CORE_IDS) g_assert(info != NULL); @@ -1499,7 +1527,7 @@ void ltt_update_event_size(LttTracefile *tf) if (info->size != -1) size = info->size; else - size = marker_update_fields_offsets(marker_get_info_from_id(tf->trace, + size = marker_update_fields_offsets(marker_get_info_from_id(tf->mdata, tf->event.event_id), tf->event.data); } @@ -1514,19 +1542,12 @@ void ltt_update_event_size(LttTracefile *tf) if (a_event_debug) print_debug_event_data(&tf->event); - /* Having a marker load or marker format event out of the metadata - * tracefiles is a serious bug. */ - switch((enum marker_id)tf->event.event_id) { - case MARKER_ID_SET_MARKER_ID: - case MARKER_ID_SET_MARKER_FORMAT: - if (tf->name != g_quark_from_string("/control/metadata")) - g_error("Trace inconsistency : metadata event found in data " - "tracefile %s", g_quark_to_string(tf->long_name)); - } - if (tf->event.data_size != tf->event.event_size) { - struct marker_info *info = marker_get_info_from_id(tf->trace, + struct marker_info *info = marker_get_info_from_id(tf->mdata, tf->event.event_id); + if (!info) + g_error("Undescribed event %hhu in channel %s", tf->event.event_id, + g_quark_to_string(tf->name)); g_error("Kernel/LTTV event size differs for event %s: kernel %u, LTTV %u", g_quark_to_string(info->name), tf->event.event_size, tf->event.data_size); @@ -1584,837 +1605,6 @@ error: return ENOPROTOOPT; } -#if 0 -/***************************************************************************** - *Function name - * set_fields_offsets : set the precomputable offset of the fields - *Input params - * tracefile : opened trace file - * event_type : the event type - ****************************************************************************/ - -void set_fields_offsets(LttTracefile *tf, LttEventType *event_type) -{ - LttField *field = event_type->root_field; - enum field_status fixed_root = FIELD_FIXED, fixed_parent = FIELD_FIXED; - - if(likely(field)) - preset_field_type_size(tf, event_type, 0, 0, - &fixed_root, &fixed_parent, - field); - -} -#endif //0 - - -/***************************************************************************** - *Function name - * get_alignment : Get the alignment needed for a field. - *Input params - * field : field - * - * returns : The size on which it must be aligned. - * - ****************************************************************************/ -#if 0 -off_t get_alignment(LttField *field) -{ - 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: - /* Align offset on type size */ - g_assert(field->field_size != 0); - return field->field_size; - break; - case LTT_STRING: - return 1; - break; - case LTT_ARRAY: - g_assert(type->fields->len == 1); - { - LttField *child = &g_array_index(type->fields, LttField, 0); - return get_alignment(child); - } - break; - case LTT_SEQUENCE: - g_assert(type->fields->len == 2); - { - off_t localign = 1; - LttField *child = &g_array_index(type->fields, LttField, 0); - - localign = max(localign, get_alignment(child)); - - child = &g_array_index(type->fields, LttField, 1); - localign = max(localign, get_alignment(child)); - - return localign; - } - break; - case LTT_STRUCT: - case LTT_UNION: - { - guint i; - off_t localign = 1; - - for(i=0; ifields->len; i++) { - LttField *child = &g_array_index(type->fields, LttField, i); - localign = max(localign, get_alignment(child)); - } - return localign; - } - break; - case LTT_NONE: - default: - g_error("get_alignment : unknown type"); - return -1; - } -} - -#endif //0 - -/***************************************************************************** - *Function name - * field_compute_static_size : Determine the size of fields known by their - * sole definition. Unions, arrays and struct sizes might be known, but - * the parser does not give that information. - *Input params - * tf : tracefile - * field : field - * - ****************************************************************************/ -#if 0 -void field_compute_static_size(LttFacility *fac, LttField *field) -{ - 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: - case LTT_STRING: - /* nothing to do */ - break; - case LTT_ARRAY: - /* note this : array type size is the number of elements in the array, - * while array field size of the length of the array in bytes */ - g_assert(type->fields->len == 1); - { - LttField *child = &g_array_index(type->fields, LttField, 0); - field_compute_static_size(fac, child); - - if(child->field_size != 0) { - field->field_size = type->size * child->field_size; - field->dynamic_offsets = g_array_sized_new(FALSE, TRUE, - sizeof(off_t), type->size); - } else { - field->field_size = 0; - } - } - break; - case LTT_SEQUENCE: - g_assert(type->fields->len == 2); - { - off_t local_offset = 0; - LttField *child = &g_array_index(type->fields, LttField, 1); - field_compute_static_size(fac, child); - field->field_size = 0; - type->size = 0; - if(child->field_size != 0) { - field->dynamic_offsets = g_array_sized_new(FALSE, TRUE, - sizeof(off_t), SEQUENCE_AVG_ELEMENTS); - } - } - break; - case LTT_STRUCT: - case LTT_UNION: - { - guint i; - for(i=0;ifields->len;i++) { - LttField *child = &g_array_index(type->fields, LttField, i); - field_compute_static_size(fac, child); - if(child->field_size != 0) { - type->size += ltt_align(type->size, get_alignment(child), - fac->alignment); - type->size += child->field_size; - } else { - /* As soon as we find a child with variable size, we have - * a variable size */ - type->size = 0; - break; - } - } - field->field_size = type->size; - } - break; - default: - g_error("field_static_size : unknown type"); - } - -} -#endif //0 - - -/***************************************************************************** - *Function name - * precompute_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 - * - * return : 1 : found a variable length field, stop the processing. - * 0 otherwise. - ****************************************************************************/ - -#if 0 -gint precompute_fields_offsets(LttFacility *fac, LttField *field, off_t *offset, gint is_compact) -{ - LttType *type = &field->field_type; - - if(unlikely(is_compact)) { - g_assert(field->field_size != 0); - /* FIXME THIS IS A HUUUUUGE hack : - * offset is between the compact_data field in struct LttEvent - * and the address of the field root in the memory map. - * ark. Both will stay at the same addresses while the event - * is readable, so it's ok. - */ - field->offset_root = 0; - field->fixed_root = FIELD_FIXED; - return 0; - } - - 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: - g_assert(field->field_size != 0); - /* Align offset on type size */ - *offset += ltt_align(*offset, get_alignment(field), - fac->alignment); - /* remember offset */ - field->offset_root = *offset; - field->fixed_root = FIELD_FIXED; - /* Increment offset */ - *offset += field->field_size; - return 0; - break; - case LTT_STRING: - field->offset_root = *offset; - field->fixed_root = FIELD_FIXED; - return 1; - break; - case LTT_ARRAY: - g_assert(type->fields->len == 1); - { - LttField *child = &g_array_index(type->fields, LttField, 0); - - *offset += ltt_align(*offset, get_alignment(field), - fac->alignment); - - /* remember offset */ - field->offset_root = *offset; - field->array_offset = *offset; - field->fixed_root = FIELD_FIXED; - - /* Let the child be variable */ - //precompute_fields_offsets(tf, child, offset); - - if(field->field_size != 0) { - /* Increment offset */ - /* field_size is the array size in bytes */ - *offset += field->field_size; - return 0; - } else { - return 1; - } - } - break; - case LTT_SEQUENCE: - g_assert(type->fields->len == 2); - { - LttField *child; - guint ret; - - *offset += ltt_align(*offset, get_alignment(field), - fac->alignment); - - /* remember offset */ - field->offset_root = *offset; - field->fixed_root = FIELD_FIXED; - - child = &g_array_index(type->fields, LttField, 0); - ret = precompute_fields_offsets(fac, child, offset, is_compact); - g_assert(ret == 0); /* Seq len cannot have variable len */ - - child = &g_array_index(type->fields, LttField, 1); - *offset += ltt_align(*offset, get_alignment(child), - fac->alignment); - field->array_offset = *offset; - /* Let the child be variable. */ - //ret = precompute_fields_offsets(fac, child, offset); - - /* Cannot precompute fields offsets of sequence members, and has - * variable length. */ - return 1; - } - break; - case LTT_STRUCT: - { - LttField *child; - guint i; - gint ret=0; - - *offset += ltt_align(*offset, get_alignment(field), - fac->alignment); - /* remember offset */ - field->offset_root = *offset; - field->fixed_root = FIELD_FIXED; - - for(i=0; i< type->fields->len; i++) { - child = &g_array_index(type->fields, LttField, i); - ret = precompute_fields_offsets(fac, child, offset, is_compact); - - if(ret) break; - } - return ret; - } - break; - case LTT_UNION: - { - LttField *child; - guint i; - gint ret=0; - - *offset += ltt_align(*offset, get_alignment(field), - fac->alignment); - /* remember offset */ - field->offset_root = *offset; - field->fixed_root = FIELD_FIXED; - - for(i=0; i< type->fields->len; i++) { - *offset = field->offset_root; - child = &g_array_index(type->fields, LttField, i); - ret = precompute_fields_offsets(fac, child, offset, is_compact); - - if(ret) break; - } - *offset = field->offset_root + field->field_size; - return ret; - } - - break; - case LTT_NONE: - default: - g_error("precompute_fields_offsets : unknown type"); - return 1; - } - -} - -#endif //0 - -#if 0 -/***************************************************************************** - *Function name - * precompute_offsets : set the precomputable offset of an event type - *Input params - * tf : tracefile - * event : event type - * - ****************************************************************************/ -void precompute_offsets(LttFacility *fac, LttEventType *event) -{ - guint i; - off_t offset = 0; - gint ret; - - /* First, compute the size of fixed size fields. Will determine size for - * arrays, struct and unions, which is not done by the parser */ - for(i=0; ifields->len; i++) { - LttField *field = &g_array_index(event->fields, LttField, i); - field_compute_static_size(fac, field); - } - - /* Precompute all known offsets */ - for(i=0; ifields->len; i++) { - LttField *field = &g_array_index(event->fields, LttField, i); - if(event->has_compact_data && i == 0) - ret = precompute_fields_offsets(fac, field, &offset, 1); - else - ret = precompute_fields_offsets(fac, field, &offset, 0); - if(ret) break; - } -} -#endif //0 - - - -/***************************************************************************** - *Function name - * preset_field_type_size : set the fixed sizes of the field type - *Input params - * tf : tracefile - * event_type : event type - * offset_root : offset from the root - * offset_parent : offset from the parent - * fixed_root : Do we know a fixed offset to the root ? - * fixed_parent : Do we know a fixed offset to the parent ? - * field : field - ****************************************************************************/ - - - -// preset the fixed size offsets. Calculate them just like genevent-new : an -// increment of a *to value that represents the offset from the start of the -// event data. -// The preset information is : offsets up to (and including) the first element -// of variable size. All subsequent fields must be flagged "VARIABLE OFFSET". -#if 0 -void preset_field_type_size(LttTracefile *tf, LttEventType *event_type, - off_t offset_root, off_t offset_parent, - enum field_status *fixed_root, enum field_status *fixed_parent, - LttField *field) -{ - enum field_status local_fixed_root, local_fixed_parent; - guint i; - LttType *type; - - g_assert(field->fixed_root == FIELD_UNKNOWN); - g_assert(field->fixed_parent == FIELD_UNKNOWN); - g_assert(field->fixed_size == FIELD_UNKNOWN); - - type = field->field_type; - - field->fixed_root = *fixed_root; - if(field->fixed_root == FIELD_FIXED) - field->offset_root = offset_root; - else - field->offset_root = 0; - - field->fixed_parent = *fixed_parent; - if(field->fixed_parent == FIELD_FIXED) - field->offset_parent = offset_parent; - else - field->offset_parent = 0; - - size_t current_root_offset; - size_t current_offset; - enum field_status current_child_status, final_child_status; - size_t max_size; - - switch(type->type_class) { - case LTT_INT_FIXED: - case LTT_UINT_FIXED: - case LTT_CHAR: - case LTT_UCHAR: - case LTT_SHORT: - case LTT_USHORT: - case LTT_INT: - case LTT_UINT: - case LTT_FLOAT: - case LTT_ENUM: - field->field_size = ltt_type_size(tf->trace, type); - field->fixed_size = FIELD_FIXED; - break; - case LTT_POINTER: - field->field_size = (off_t)event_type->facility->pointer_size; - field->fixed_size = FIELD_FIXED; - break; - case LTT_LONG: - case LTT_ULONG: - field->field_size = (off_t)event_type->facility->long_size; - field->fixed_size = FIELD_FIXED; - break; - case LTT_SIZE_T: - case LTT_SSIZE_T: - case LTT_OFF_T: - field->field_size = (off_t)event_type->facility->size_t_size; - field->fixed_size = FIELD_FIXED; - break; - case LTT_SEQUENCE: - local_fixed_root = FIELD_VARIABLE; - local_fixed_parent = FIELD_VARIABLE; - preset_field_type_size(tf, event_type, - 0, 0, - &local_fixed_root, &local_fixed_parent, - field->child[0]); - field->fixed_size = FIELD_VARIABLE; - field->field_size = 0; - *fixed_root = FIELD_VARIABLE; - *fixed_parent = FIELD_VARIABLE; - break; - case LTT_STRING: - field->fixed_size = FIELD_VARIABLE; - field->field_size = 0; - *fixed_root = FIELD_VARIABLE; - *fixed_parent = FIELD_VARIABLE; - break; - case LTT_ARRAY: - local_fixed_root = FIELD_VARIABLE; - local_fixed_parent = FIELD_VARIABLE; - preset_field_type_size(tf, event_type, - 0, 0, - &local_fixed_root, &local_fixed_parent, - field->child[0]); - field->fixed_size = field->child[0]->fixed_size; - if(field->fixed_size == FIELD_FIXED) { - field->field_size = type->element_number * field->child[0]->field_size; - } else { - field->field_size = 0; - *fixed_root = FIELD_VARIABLE; - *fixed_parent = FIELD_VARIABLE; - } - break; - case LTT_STRUCT: - current_root_offset = field->offset_root; - current_offset = 0; - current_child_status = FIELD_FIXED; - for(i=0;ielement_number;i++) { - preset_field_type_size(tf, event_type, - current_root_offset, current_offset, - fixed_root, ¤t_child_status, - field->child[i]); - if(current_child_status == FIELD_FIXED) { - current_root_offset += field->child[i]->field_size; - current_offset += field->child[i]->field_size; - } else { - current_root_offset = 0; - current_offset = 0; - } - } - if(current_child_status != FIELD_FIXED) { - *fixed_parent = current_child_status; - field->field_size = 0; - field->fixed_size = current_child_status; - } else { - field->field_size = current_offset; - field->fixed_size = FIELD_FIXED; - } - break; - case LTT_UNION: - current_root_offset = field->offset_root; - current_offset = 0; - max_size = 0; - final_child_status = FIELD_FIXED; - for(i=0;ielement_number;i++) { - enum field_status current_root_child_status = FIELD_FIXED; - enum field_status current_child_status = FIELD_FIXED; - preset_field_type_size(tf, event_type, - current_root_offset, current_offset, - ¤t_root_child_status, ¤t_child_status, - field->child[i]); - if(current_child_status != FIELD_FIXED) - final_child_status = current_child_status; - else - max_size = max(max_size, field->child[i]->field_size); - } - if(final_child_status != FIELD_FIXED) { - g_error("LTTV does not support variable size fields in unions."); - /* This will stop the application. */ - *fixed_root = final_child_status; - *fixed_parent = final_child_status; - field->field_size = 0; - field->fixed_size = current_child_status; - } else { - field->field_size = max_size; - field->fixed_size = FIELD_FIXED; - } - break; - case LTT_NONE: - g_error("unexpected type NONE"); - break; - } - -} -#endif //0 - -/***************************************************************************** - *Function name - * check_fields_compatibility : Check for compatibility between two fields : - * do they use the same inner structure ? - *Input params - * event_type1 : event type - * event_type2 : event type - * field1 : field - * field2 : field - *Returns : 0 if identical - * 1 if not. - ****************************************************************************/ -// this function checks for equality of field types. Therefore, it does not use -// per se offsets. For instance, an aligned version of a structure is -// compatible with an unaligned version of the same structure. -#if 0 -gint check_fields_compatibility(LttEventType *event_type1, - LttEventType *event_type2, - LttField *field1, LttField *field2) -{ - guint different = 0; - LttType *type1; - LttType *type2; - - if(field1 == NULL) { - if(field2 == NULL) goto end; - else { - different = 1; - goto end; - } - } else if(field2 == NULL) { - different = 1; - goto end; - } - - type1 = &field1->field_type; - type2 = &field2->field_type; - - if(type1->type_class != type2->type_class) { - different = 1; - goto end; - } - if(type1->network != type2->network) { - different = 1; - goto end; - } - - switch(type1->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(field1->field_size != field2->field_size) - different = 1; - break; - case LTT_STRING: - break; - case LTT_ARRAY: - { - LttField *child1 = &g_array_index(type1->fields, LttField, 0); - LttField *child2 = &g_array_index(type2->fields, LttField, 0); - - if(type1->size != type2->size) - different = 1; - if(check_fields_compatibility(event_type1, event_type2, child1, child2)) - different = 1; - } - break; - case LTT_SEQUENCE: - { - LttField *child1 = &g_array_index(type1->fields, LttField, 1); - LttField *child2 = &g_array_index(type2->fields, LttField, 1); - - if(check_fields_compatibility(event_type1, event_type2, child1, child2)) - different = 1; - } - break; - case LTT_STRUCT: - case LTT_UNION: - { - LttField *child; - guint i; - - if(type1->fields->len != type2->fields->len) { - different = 1; - goto end; - } - - for(i=0; i< type1->fields->len; i++) { - LttField *child1; - LttField *child2; - child1 = &g_array_index(type1->fields, LttField, i); - child2 = &g_array_index(type2->fields, LttField, i); - different = check_fields_compatibility(event_type1, - event_type2, child1, child2); - - if(different) break; - } - } - break; - case LTT_NONE: - default: - g_error("check_fields_compatibility : unknown type"); - } - -end: - return different; -} -#endif //0 - -#if 0 -gint check_fields_compatibility(LttEventType *event_type1, - LttEventType *event_type2, - LttField *field1, LttField *field2) -{ - guint different = 0; - guint i; - LttType *type1; - LttType *type2; - - if(field1 == NULL) { - if(field2 == NULL) goto end; - else { - different = 1; - goto end; - } - } else if(field2 == NULL) { - different = 1; - goto end; - } - - g_assert(field1->fixed_root != FIELD_UNKNOWN); - g_assert(field2->fixed_root != FIELD_UNKNOWN); - g_assert(field1->fixed_parent != FIELD_UNKNOWN); - g_assert(field2->fixed_parent != FIELD_UNKNOWN); - g_assert(field1->fixed_size != FIELD_UNKNOWN); - g_assert(field2->fixed_size != FIELD_UNKNOWN); - - type1 = field1->field_type; - type2 = field2->field_type; - - if(type1->type_class != type2->type_class) { - different = 1; - goto end; - } - if(type1->element_name != type2->element_name) { - different = 1; - goto end; - } - - switch(type1->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_FLOAT: - case LTT_POINTER: - case LTT_LONG: - case LTT_ULONG: - case LTT_SIZE_T: - case LTT_SSIZE_T: - case LTT_OFF_T: - if(field1->field_size != field2->field_size) { - different = 1; - goto end; - } - break; - case LTT_ENUM: - if(type1->element_number != type2->element_number) { - different = 1; - goto end; - } - for(i=0;ielement_number;i++) { - if(type1->enum_strings[i] != type2->enum_strings[i]) { - different = 1; - goto end; - } - } - break; - case LTT_SEQUENCE: - /* Two elements : size and child */ - g_assert(type1->element_number != type2->element_number); - for(i=0;ielement_number;i++) { - if(check_fields_compatibility(event_type1, event_type2, - field1->child[0], field2->child[0])) { - different = 1; - goto end; - } - } - break; - case LTT_STRING: - break; - case LTT_ARRAY: - if(field1->field_size != field2->field_size) { - different = 1; - goto end; - } - /* Two elements : size and child */ - g_assert(type1->element_number != type2->element_number); - for(i=0;ielement_number;i++) { - if(check_fields_compatibility(event_type1, event_type2, - field1->child[0], field2->child[0])) { - different = 1; - goto end; - } - } - break; - case LTT_STRUCT: - case LTT_UNION: - if(type1->element_number != type2->element_number) { - different = 1; - break; - } - for(i=0;ielement_number;i++) { - if(check_fields_compatibility(event_type1, event_type2, - field1->child[0], field2->child[0])) { - different = 1; - goto end; - } - } - break; - } -end: - return different; -} -#endif //0 - /***************************************************************************** *Function name @@ -2510,7 +1700,7 @@ LttTime ltt_trace_start_time_monotonic(LttTrace *t) return t->start_time_from_tsc; } -static LttTracefile *ltt_tracefile_new() +static __attribute__ ((__unused__)) LttTracefile *ltt_tracefile_new() { LttTracefile *tf; tf = g_new(LttTracefile, 1); @@ -2518,12 +1708,12 @@ static LttTracefile *ltt_tracefile_new() return tf; } -static void ltt_tracefile_destroy(LttTracefile *tf) +static __attribute__ ((__unused__)) void ltt_tracefile_destroy(LttTracefile *tf) { g_free(tf); } -static void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src) +static __attribute__ ((__unused__)) void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src) { *dest = *src; } @@ -2532,5 +1722,5 @@ static void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src) static __attribute__((constructor)) void init(void) { - LTT_TRACEFILE_NAME_METADATA = g_quark_from_string("/control/metadata"); + LTT_TRACEFILE_NAME_METADATA = g_quark_from_string("metadata"); }