/*
- * Copyright (C) 2011 Julien Desfossez
+ * Copyright (C) 2011-2012 Julien Desfossez
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License Version 2 as
return comm;
}
+/*
+ * To get the parent process, put the pid in the tid field
+ * because the parent process gets pid = tid
+ *
+ * FIXME : char *comm useful ???
+ */
struct processtop *find_process_tid(struct lttngtop *ctx, int tid, char *comm)
{
gint i;
newproc->fileread = 0;
newproc->filewrite = 0;
newproc->syscall_info = NULL;
+ newproc->threadparent = NULL;
newproc->threads = g_ptr_array_new();
newproc->perf = g_hash_table_new(g_str_hash, g_str_equal);
g_ptr_array_add(ctx->process_table, newproc);
return add_proc(ctx, tid, comm, timestamp);
}
+struct processtop *get_proc_pid(struct lttngtop *ctx, int tid, int pid,
+ unsigned long timestamp)
+{
+ struct processtop *tmp;
+ tmp = find_process_tid(ctx, tid, NULL);
+ if (tmp && tmp->pid == pid)
+ return tmp;
+ return add_proc(ctx, tid, "Unknown", timestamp);
+}
+
void add_thread(struct processtop *parent, struct processtop *thread)
{
gint i;
void copy_perf_counter(gpointer key, gpointer value, gpointer new_table)
{
struct perfcounter *newperf;
-
+
newperf = g_new0(struct perfcounter, 1);
newperf->count = ((struct perfcounter *) value)->count;
newperf->visible = ((struct perfcounter *) value)->visible;
dst->process_table = g_ptr_array_new();
dst->files_table = g_ptr_array_new();
dst->cpu_table = g_ptr_array_new();
- dst->perf_list = g_hash_table_new(g_str_hash, g_str_equal);
rotate_cputime(end);
- g_hash_table_foreach(lttngtop.perf_list, copy_perf_counter, dst->perf_list);
for (i = 0; i < lttngtop.process_table->len; i++) {
tmp = g_ptr_array_index(lttngtop.process_table, i);
new = g_new0(struct processtop, 1);
* the current process list after the copy
*/
if (tmp->death > 0 && tmp->death < end) {
- fprintf(stderr, "removing : %ld : %d %s\n", end, tmp->tid, tmp->comm);
g_ptr_array_remove(lttngtop.process_table, tmp);
/* FIXME : TRUE does not mean clears the object in it */
g_ptr_array_free(tmp->threads, TRUE);
return dst;
}
+
+enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data,
+ void *private_data)
+{
+ const struct definition *scope;
+ struct processtop *proc;
+ unsigned long timestamp;
+ int64_t pid, tid;
+ char *procname;
+
+ timestamp = bt_ctf_get_timestamp(call_data);
+ if (timestamp == -1ULL)
+ goto error;
+
+ scope = bt_ctf_get_top_level_scope(call_data,
+ BT_EVENT_FIELDS);
+ pid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
+ scope, "_pid"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing pid context info\n");
+ goto error;
+ }
+
+ scope = bt_ctf_get_top_level_scope(call_data,
+ BT_EVENT_FIELDS);
+ 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;
+ }
+
+ /*
+ * 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,
+ scope, "_name"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing process name context info\n");
+ goto error;
+ }
+
+ proc = find_process_tid(<tngtop, tid, procname);
+ if (proc == NULL)
+ proc = add_proc(<tngtop, tid, procname, timestamp);
+
+ 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);
+ */
+
+ return BT_CB_OK;
+
+error:
+ return BT_CB_ERROR_STOP;
+}