X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=lttv%2Flttv%2Ftraceset.c;h=0a55ae43f960b83a6723cea260d548517f18b0cf;hb=861fbe5f8862cd3797aecef4ab6903700a8aa837;hp=b28efb3ac6f490c15377757ee6b2dc227a29fd0d;hpb=2bc1bcfb0fdff52b3350804d2824cd023f463f96;p=lttv.git diff --git a/lttv/lttv/traceset.c b/lttv/lttv/traceset.c index b28efb3a..0a55ae43 100644 --- a/lttv/lttv/traceset.c +++ b/lttv/lttv/traceset.c @@ -22,8 +22,22 @@ #include #include +#include +#include #include +#include #include +#include +#include + +/* To traverse a tree recursively */ +#include +#include +/* For the use of realpath*/ +#include +#include +/* For strcpy*/ +#include /* A trace is a sequence of events gathered in the same tracing session. The events may be stored in several tracefiles in the same directory. @@ -31,30 +45,26 @@ possibly to study the interactions between events in the different traces. */ -struct _LttvTraceset { - char * filename; - GPtrArray *traces; - struct bt_context *context; - LttvAttribute *a; -}; - -struct _LttvTrace { - // Trace id for babeltrace - gint id; - LttvAttribute *a; - guint ref_count; -}; - -LttvTraceset *lttv_traceset_new() +LttvTraceset *lttv_traceset_new(void) { LttvTraceset *s; + struct bt_iter_pos begin_pos; s = g_new(LttvTraceset, 1); s->filename = NULL; s->traces = g_ptr_array_new(); s->context = bt_context_create(); s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); + //TODO remove this when we have really mecanism + //s->tmpState = g_new(LttvTraceState *, 1); + //lttv_trace_state_init(s->tmpState,0); + + s->iter = 0; + s->event_hooks = lttv_hooks_new(); + + s->state_trace_handle_index = g_ptr_array_new(); + return s; } @@ -75,6 +85,30 @@ LttvTrace *lttv_trace_new(LttTrace *t) return new_trace; } #endif +/* + * get_absolute_pathname : Return the unique pathname in the system + * + * pathname is the relative path. + * + * abs_pathname is being set to the absolute path. + * + */ +void get_absolute_pathname(const gchar *pathname, gchar * abs_pathname) +{ + abs_pathname[0] = '\0'; + + if (realpath(pathname, abs_pathname) != NULL) + return; + else + { + /* error, return the original path unmodified */ + strcpy(abs_pathname, pathname); + return; + } + return; +} + + /* * lttv_trace_create : Create a trace from a path @@ -106,6 +140,14 @@ static LttvTrace *lttv_trace_create(LttvTraceset *ts, const char *path) new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); new_trace->id = id; new_trace->ref_count = 0; + new_trace->traceset = ts; + new_trace->state = g_new(LttvTraceState,1); + lttv_trace_state_init(new_trace->state,new_trace); + + /* Add the state to the trace_handle to state index */ + g_ptr_array_set_size(ts->state_trace_handle_index,id+1); + g_ptr_array_index(ts->state_trace_handle_index,id) = new_trace->state; + return new_trace; } @@ -137,12 +179,18 @@ LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig) s = g_new(LttvTraceset, 1); s->filename = NULL; s->traces = g_ptr_array_new(); + s->state_trace_handle_index = g_ptr_array_new(); for(i=0;itraces->len;i++) { trace = g_ptr_array_index(s_orig->traces, i); trace->ref_count++; + /* WARNING: this is an alias, not a copy. */ g_ptr_array_add(s->traces, trace); + + g_ptr_array_set_size(s->state_trace_handle_index,trace->id+1); + g_ptr_array_index(s->state_trace_handle_index,trace->id) = trace->state; + } s->context = s_orig->context; bt_context_get(s->context); @@ -200,26 +248,105 @@ struct bt_context *lttv_traceset_get_context(LttvTraceset *s) return s->context; } +LttvTraceset *lttv_trace_get_traceset(LttvTrace *trace) +{ + return trace->traceset; +} + +LttvHooks *lttv_traceset_get_hooks(LttvTraceset *s) +{ + return s->event_hooks; +} + void lttv_trace_destroy(LttvTrace *t) { g_object_unref(t->a); g_free(t); } - void lttv_traceset_add(LttvTraceset *s, LttvTrace *t) { t->ref_count++; g_ptr_array_add(s->traces, t); } -int lttv_traceset_add_path(LttvTraceset *ts, const char *trace_path) +int lttv_traceset_add_path(LttvTraceset *ts, char *trace_path) { - // todo mdenis 2012-03-27: add trace recursively and update comment - int ret = lttv_traceset_create_trace(ts, trace_path); - return ret; + + FTS *tree; + FTSENT *node; + char * const paths[2] = { trace_path, NULL }; + int ret = -1; + + gboolean metaFileFound = FALSE; + + tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0); + if (tree == NULL) { + g_warning("Cannot traverse \"%s\" for reading.\n", + trace_path); + return ret; + } + + int dirfd, metafd; + while ((node = fts_read(tree))) { + + if (!(node->fts_info & FTS_D)) + continue; + + dirfd = open(node->fts_accpath, 0); + if (dirfd < 0) { + g_warning("Unable to open trace " + "directory file descriptor : %s.", node->fts_accpath); + ret = dirfd; + goto error; + } + + // Check if a metadata file exists in the current directory + metafd = openat(dirfd, "metadata", O_RDONLY); + if (metafd < 0) { + ret = close(dirfd); + if (ret < 0) { + g_warning("Unable to open metadata " + "file descriptor : %s.", node->fts_accpath); + goto error; + } + } else { + ret = close(metafd); + if (ret < 0) { + g_warning("Unable to close metadata " + "file descriptor : %s.", node->fts_accpath); + goto error; + } + ret = close(dirfd); + if (ret < 0) { + g_warning("Unable to close trace " + "directory file descriptor : %s.", node->fts_accpath); + goto error; + } + + ret = lttv_traceset_create_trace(ts, node->fts_accpath); + if (ret < 0) { + g_warning("Opening trace \"%s\" from %s " + "for reading.", node->fts_accpath, trace_path); + goto error; + } + metaFileFound = TRUE; + } + } + +error: + ret = fts_close(tree); + if (ret < 0) { + g_warning("Unable to close tree " + "file descriptor : %s.", trace_path); + } + if(metaFileFound) + return ret; + else + return -1; } + unsigned lttv_traceset_number(LttvTraceset *s) { return s->traces->len; @@ -258,12 +385,6 @@ LttvAttribute *lttv_trace_attribute(LttvTrace *t) return t->a; } -#ifdef BABEL_CLEANUP -LttTrace *lttv_trace(LttvTrace *t) -{ - return t->t; -} -#endif gint lttv_trace_get_id(LttvTrace *t) { @@ -291,3 +412,126 @@ guint lttv_trace_unref(LttvTrace * t) return t->ref_count; } +guint lttv_trace_get_num_cpu(LttvTrace *t) +{ +#warning "TODO - Set the right number of CPU" + return 24; +} + +LttvTracesetPosition *lttv_traceset_create_position(LttvTraceset *traceset) +{ + LttvTracesetPosition *traceset_pos; + + traceset_pos = g_new(LttvTracesetPosition, 1); + + /* Check in the new passed */ + if(traceset_pos == NULL) { + return NULL; + } + + traceset_pos->iter = traceset->iter; + traceset_pos->bt_pos = bt_iter_get_pos(bt_ctf_get_iter(traceset->iter)); + + return traceset_pos; +} + +void lttv_traceset_destroy_position(LttvTracesetPosition *traceset_pos) +{ + bt_iter_free_pos(traceset_pos->bt_pos); + g_free(traceset_pos); +} + +void lttv_traceset_seek_to_position(LttvTracesetPosition *traceset_pos) +{ + bt_iter_set_pos(traceset_pos->iter, traceset_pos->bt_pos); +} + +guint lttv_traceset_get_cpuid_from_event(LttvEvent *event) +{ + struct definition *scope; + unsigned long timestamp; + unsigned int cpu_id; + + struct bt_ctf_event *ctf_event = event->bt_event; + timestamp = bt_ctf_get_timestamp(ctf_event); + if (timestamp == -1ULL) { + return 0; + } + scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_PACKET_CONTEXT); + if (bt_ctf_field_get_error()) { + return 0; + } + cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(ctf_event, scope, "cpu_id")); + if (bt_ctf_field_get_error()) { + return 0; + } else { + return cpu_id; + } +} +/* + * lttv_traceset_get_timestamp_begin : returns the minimum timestamp of + * all the traces in the traceset. + * + */ + +guint64 lttv_traceset_get_timestamp_begin(LttvTraceset *traceset) +{ + struct bt_context *bt_ctx; + bt_ctx = lttv_traceset_get_context(traceset); + guint64 timestamp_min = G_MAXUINT64, timestamp_cur = 0; + int i; + int trace_count; + LttvTrace *currentTrace; + trace_count = traceset->traces->len; + if(trace_count == 0) + timestamp_min = 0; + else{ + timestamp_min = G_MAXUINT64; + + for(i = 0; i < trace_count;i++) + { + currentTrace = g_ptr_array_index(traceset->traces,i); + timestamp_cur = bt_trace_handle_get_timestamp_begin(bt_ctx, currentTrace->id); + if(timestamp_cur < timestamp_min) + timestamp_min = timestamp_cur; + } + } + return timestamp_min; +} + +/* + * lttv_traceset_get_timestamp_end: returns the maximum timestamp of + * all the traces in the traceset. + * + */ +guint64 lttv_traceset_get_timestamp_end(LttvTraceset *traceset) +{ + struct bt_context *bt_ctx; + bt_ctx = lttv_traceset_get_context(traceset); + guint64 timestamp_max, timestamp_cur = 0; + int i; + int trace_count; + LttvTrace *currentTrace; + trace_count = traceset->traces->len; + + if(trace_count == 0) + timestamp_max = 1; + else + { + timestamp_max = 0; + for(i =0; i < trace_count;i++) + { + currentTrace = g_ptr_array_index(traceset->traces,i); + timestamp_cur = bt_trace_handle_get_timestamp_end(bt_ctx, currentTrace->id); + if(timestamp_cur > timestamp_max) + timestamp_max = timestamp_cur; + } + } + return timestamp_max; + +} + +const char *lttv_traceset_get_name_from_event(LttvEvent *event) +{ + return bt_ctf_event_name(event->bt_event); +}