* hook on each event to check the timestamp and refresh the display if
* necessary
*/
-enum bt_cb_ret check_timestamp(struct ctf_event_definition *call_data, void *private_data)
+enum bt_cb_ret check_timestamp(struct bt_ctf_event *call_data, void *private_data)
{
unsigned long timestamp;
}
}
-void extract_perf_counter_scope(const struct ctf_event_definition *event,
+void extract_perf_counter_scope(const struct bt_ctf_event *event,
const struct definition *scope,
struct processtop *proc,
struct cputime *cpu)
return;
}
-void update_perf_counter(struct processtop *proc, const struct ctf_event_definition *event)
+void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event)
{
struct cputime *cpu;
const struct definition *scope;
extract_perf_counter_scope(event, scope, proc, cpu);
}
-enum bt_cb_ret fix_process_table(struct ctf_event_definition *call_data,
+enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data,
void *private_data)
{
int pid, tid, ppid;
{
struct bt_ctf_iter *iter;
struct bt_iter_pos begin_pos;
- const struct ctf_event_definition *event;
+ const struct bt_ctf_event *event;
int ret = 0;
begin_pos.type = BT_SEEK_BEGIN;
bt_ctf_iter_add_callback(iter,
g_quark_from_static_string("sched_process_free"),
NULL, 0, handle_sched_process_free, NULL, NULL, NULL);
+ /* to get all the process from the statedumps */
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string(
+ "lttng_statedump_process_state"),
+ NULL, 0, handle_statedump_process_state,
+ NULL, NULL, NULL);
/* for IO top */
bt_ctf_iter_add_callback(iter,
return ret;
}
+static int check_field_requirements(const struct bt_ctf_field_decl *const * field_list,
+ int field_cnt, int *tid_check, int *pid_check,
+ int *procname_check, int *ppid_check)
+{
+ int j;
+
+ for (j = 0; j < field_cnt; j++) {
+ if (*tid_check == 0) {
+ if (strncmp(bt_ctf_get_decl_field_name(field_list[j]), "tid", 3) == 0) {
+ (*tid_check)++;
+ }
+ }
+ if (*pid_check == 0) {
+ if (strncmp(bt_ctf_get_decl_field_name(field_list[j]), "pid", 3) == 0)
+ (*pid_check)++;
+ }
+ if (*ppid_check == 0) {
+ if (strncmp(bt_ctf_get_decl_field_name(field_list[j]), "ppid", 4) == 0)
+ (*ppid_check)++;
+ }
+ if (*procname_check == 0) {
+ if (strncmp(bt_ctf_get_decl_field_name(field_list[j]), "procname", 8) == 0)
+ (*procname_check)++;
+ }
+ }
+ /* if all checks are OK, no need to continue the checks */
+ if (*tid_check == 1 && *pid_check == 1 && *ppid_check == 1 &&
+ *procname_check == 1)
+ return 0;
+
+ return -1;
+}
+
+/*
+ * check_requirements: check if the required context informations are available
+ *
+ * If each mandatory context information is available for at least in one
+ * event, return 0 otherwise return -1.
+ */
+int check_requirements(struct bt_context *ctx)
+{
+ unsigned int i, evt_cnt, field_cnt;
+ struct bt_ctf_event_decl *const * evt_list;
+ const struct bt_ctf_field_decl *const * field_list;
+ int tid_check = 0;
+ int pid_check = 0;
+ int procname_check = 0;
+ int ppid_check = 0;
+ int ret = 0;
+
+ bt_ctf_get_event_decl_list(0, ctx, &evt_list, &evt_cnt);
+ for (i = 0; i < evt_cnt; i++) {
+ bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_EVENT_CONTEXT,
+ &field_list, &field_cnt);
+ ret = check_field_requirements(field_list, field_cnt,
+ &tid_check, &pid_check, &procname_check,
+ &ppid_check);
+ if (ret == 0)
+ goto end;
+
+ bt_ctf_get_decl_fields(evt_list[i], BT_EVENT_CONTEXT,
+ &field_list, &field_cnt);
+ ret = check_field_requirements(field_list, field_cnt,
+ &tid_check, &pid_check, &procname_check,
+ &ppid_check);
+ if (ret == 0)
+ goto end;
+
+ bt_ctf_get_decl_fields(evt_list[i], BT_STREAM_PACKET_CONTEXT,
+ &field_list, &field_cnt);
+ ret = check_field_requirements(field_list, field_cnt,
+ &tid_check, &pid_check, &procname_check,
+ &ppid_check);
+ if (ret == 0)
+ goto end;
+ }
+
+ if (tid_check == 0) {
+ ret = -1;
+ fprintf(stderr, "[error] missing tid context information\n");
+ }
+ if (pid_check == 0) {
+ ret = -1;
+ fprintf(stderr, "[error] missing pid context information\n");
+ }
+ if (ppid_check == 0) {
+ ret = -1;
+ fprintf(stderr, "[error] missing ppid context information\n");
+ }
+ if (procname_check == 0) {
+ ret = -1;
+ fprintf(stderr, "[error] missing procname context information\n");
+ }
+
+end:
+ return ret;
+}
+
int main(int argc, char **argv)
{
int ret;
bt_ctx = bt_context_create();
ret = bt_context_add_traces_recursive(bt_ctx, opt_input_path, "ctf", NULL);
if (ret < 0) {
- printf("[error] Opening the trace\n");
+ fprintf(stderr, "[error] Opening the trace\n");
+ goto end;
+ }
+
+ ret = check_requirements(bt_ctx);
+ if (ret < 0) {
+ fprintf(stderr, "[error] missing mandatory context informations\n");
goto end;
}