X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttv%2Flttv%2Ftraceset.c;h=b4a14384ef80ec42024ef89ee8a6dabf9a64c92a;hb=3d1e7ee596d5eef4a50ff7e77d3617643eca133e;hp=16487a117ff90b86bf7e3675e7d93762e3a480f6;hpb=7a4bdb546094fea3343bfc80e3744ea26a08dd22;p=lttv.git diff --git a/lttv/lttv/traceset.c b/lttv/lttv/traceset.c index 16487a11..b4a14384 100644 --- a/lttv/lttv/traceset.c +++ b/lttv/lttv/traceset.c @@ -28,6 +28,11 @@ #include #include #include + +/* To traverse a tree recursively */ +#include +#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. A trace set is defined when several traces are to be analyzed together, @@ -55,7 +60,7 @@ LttvTraceset *lttv_traceset_new(void) // NULL); s->iter = 0; s->event_hooks = lttv_hooks_new(); - + s->state_trace_handle_index = g_ptr_array_new(); @@ -113,7 +118,11 @@ static LttvTrace *lttv_trace_create(LttvTraceset *ts, const char *path) new_trace->traceset = ts; new_trace->state = g_new(LttvTraceState,1); lttv_trace_state_init(new_trace->state,new_trace); - ts->tmpState = new_trace->state; + + /* 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; } @@ -145,6 +154,7 @@ 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); @@ -152,6 +162,10 @@ LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig) /* 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); @@ -232,11 +246,73 @@ void lttv_traceset_add(LttvTraceset *s, LttvTrace *t) 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; + + 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; + } + } + } + +error: + ret = fts_close(tree); + if (ret < 0) { + g_warning("Unable to close tree " + "file descriptor : %s.", trace_path); + } + return ret; } unsigned lttv_traceset_number(LttvTraceset *s) @@ -318,19 +394,30 @@ guint lttv_trace_get_num_cpu(LttvTrace *t) LttvTracesetPosition *lttv_traceset_create_position(LttvTraceset *traceset) { -#warning "TODO" - return NULL; + 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) { -#warning "TODO" - return NULL; + bt_iter_free_pos(traceset_pos->bt_pos); + g_free(traceset_pos); } void lttv_traceset_seek_to_position(LttvTracesetPosition *traceset_pos) { -#warning "TODO" + bt_iter_set_pos(traceset_pos->iter, traceset_pos->bt_pos); } guint lttv_traceset_get_cpuid_from_event(LttvEvent *event)