X-Git-Url: https://git.lttng.org/?p=lttngtop.git;a=blobdiff_plain;f=src%2Fcommon.c;h=4860b7aef76d406d1f8f44f97ae3fcdea9c0c133;hp=fd941bde92673530019ffe921d03ec1054686617;hb=57bff78803b67f5b9736d18f57b88b6b6191975e;hpb=1402044a1577c9b62b60f64fdb48ae9524be458c;ds=sidebyside diff --git a/src/common.c b/src/common.c index fd941bd..4860b7a 100644 --- a/src/common.c +++ b/src/common.c @@ -164,9 +164,13 @@ struct processtop* add_proc(struct lttngtop *ctx, int tid, char *comm, { struct processtop *newproc; + if (opt_tid && !lookup_tid_list(tid)) + return NULL; + /* if the PID already exists, we just rename the process */ /* FIXME : need to integrate with clone/fork/exit to be accurate */ newproc = find_process_tid(ctx, tid, comm); + if (!newproc) { newproc = g_new0(struct processtop, 1); newproc->tid = tid; @@ -255,6 +259,9 @@ void add_thread(struct processtop *parent, struct processtop *thread) gint i; struct processtop *tmp; + if (!parent) + return; + for (i = 0; i < parent->threads->len; i++) { tmp = g_ptr_array_index(parent->threads, i); if (tmp == thread) @@ -523,7 +530,7 @@ enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data, const struct bt_definition *scope; struct processtop *proc; unsigned long timestamp; - int64_t pid, tid; + int64_t pid, tid, ppid, vtid, vpid, vppid; char *procname; timestamp = bt_ctf_get_timestamp(call_data); @@ -538,23 +545,37 @@ enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data, fprintf(stderr, "Missing pid context info\n"); goto error; } - - scope = bt_ctf_get_top_level_scope(call_data, - BT_EVENT_FIELDS); + ppid = bt_ctf_get_int64(bt_ctf_get_field(call_data, + scope, "_ppid")); + if (bt_ctf_field_get_error()) { + fprintf(stderr, "Missing ppid context info\n"); + goto error; + } tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, scope, "_tid")); if (bt_ctf_field_get_error()) { fprintf(stderr, "Missing tid context info\n"); goto error; } + vtid = bt_ctf_get_int64(bt_ctf_get_field(call_data, + scope, "_vtid")); + if (bt_ctf_field_get_error()) { + fprintf(stderr, "Missing vtid context info\n"); + goto error; + } + vpid = bt_ctf_get_int64(bt_ctf_get_field(call_data, + scope, "_vpid")); + if (bt_ctf_field_get_error()) { + fprintf(stderr, "Missing vpid context info\n"); + goto error; + } + vppid = bt_ctf_get_int64(bt_ctf_get_field(call_data, + scope, "_vppid")); + if (bt_ctf_field_get_error()) { + fprintf(stderr, "Missing vppid context info\n"); + goto error; + } - /* - * FIXME - * I first tried with bt_ctf_get_string but doesn`t work at all - * It couldn`t find the field _name because it is an integer in - * the metadata and not a string like _filename for the - * statedump_file_descriptor - */ scope = bt_ctf_get_top_level_scope(call_data, BT_EVENT_FIELDS); procname = bt_ctf_get_char_array(bt_ctf_get_field(call_data, @@ -567,18 +588,13 @@ enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data, proc = find_process_tid(<tngtop, tid, procname); if (proc == NULL) proc = add_proc(<tngtop, tid, procname, timestamp); + update_proc(proc, pid, tid, ppid, vpid, vtid, vppid, procname); - free(proc->comm); - proc->comm = strdup(procname); - proc->pid = pid; - - /* - * FIXME - * I would like to free procname because it is duplicated - * when the process is created but it segfaults... - * - * free(procname); - */ + if (proc) { + free(proc->comm); + proc->comm = strdup(procname); + proc->pid = pid; + } return BT_CB_OK; @@ -602,3 +618,8 @@ struct tm format_timestamp(uint64_t timestamp) return tm; } + +int *lookup_tid_list(int tid) +{ + return g_hash_table_lookup(tid_list, (gpointer) &tid); +}