X-Git-Url: https://git.lttng.org/?p=lttngtop.git;a=blobdiff_plain;f=src%2Flttngtop.c;h=2ee303a318dccd6028b9994193e3174a1eec377e;hp=dc5711ea91402ede478a3662184d6ffcdc57f498;hb=bb6d72a22332433cbe10ae9d88627be7637b84b1;hpb=4adc827466f35fb285430634400259d8c55a5816

diff --git a/src/lttngtop.c b/src/lttngtop.c
index dc5711e..2ee303a 100644
--- a/src/lttngtop.c
+++ b/src/lttngtop.c
@@ -1,5 +1,5 @@
 /*
- * 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
@@ -88,6 +88,10 @@ void *ncurses_display(void *p)
 	unsigned int current_display_index = 0;
 
 	sem_wait(&bootstrap);
+	/*
+	 * Prevent the 1 second delay when we hit ESC
+	 */
+	ESCDELAY = 0;
 	init_ncurses();
 
 	while (1) {
@@ -146,7 +150,7 @@ error:
 struct perfcounter *get_perf_counter(const char *name, struct processtop *proc,
 		struct cputime *cpu)
 {
-	struct perfcounter *ret, *global;
+	struct perfcounter *ret;
 	GHashTable *table;
 
 	if (proc)
@@ -165,16 +169,6 @@ struct perfcounter *get_perf_counter(const char *name, struct processtop *proc,
 	ret->visible = 1;
 	g_hash_table_insert(table, (gpointer) strdup(name), ret);
 
-	global = g_hash_table_lookup(lttngtop.perf_list, (gpointer) name);
-	if (!global) {
-		global = g_new0(struct perfcounter, 1);
-		memcpy(global, ret, sizeof(struct perfcounter));
-		/* by default, sort on the first perf context */
-		if (g_hash_table_size(lttngtop.perf_list) == 0)
-			global->sort = 1;
-		g_hash_table_insert(lttngtop.perf_list, (gpointer) strdup(name), global);
-	}
-
 end:
 	return ret;
 
@@ -201,8 +195,12 @@ void extract_perf_counter_scope(const struct bt_ctf_event *event,
 		struct cputime *cpu)
 {
 	struct definition const * const *list = NULL;
+	const struct definition *field;
 	unsigned int count;
-	int i, ret;
+	struct perfcounter *perfcounter;
+	GHashTableIter iter;
+	gpointer key;
+	int ret;
 
 	if (!scope)
 		goto end;
@@ -211,13 +209,17 @@ void extract_perf_counter_scope(const struct bt_ctf_event *event,
 	if (ret < 0)
 		goto end;
 
-	for (i = 0; i < count; i++) {
-		const char *name = bt_ctf_field_name(list[i]);
-		if (strncmp(name, "perf_", 5) == 0) {
-			int value = bt_ctf_get_uint64(list[i]);
+	if (count == 0)
+		goto end;
+
+	g_hash_table_iter_init(&iter, global_perf_liszt);
+	while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfcounter)) {
+		field = bt_ctf_get_field(event, scope, (char *) key);
+		if (field) {
+			int value = bt_ctf_get_uint64(field);
 			if (bt_ctf_field_get_error())
 				continue;
-			update_perf_value(proc, cpu, name, value);
+			update_perf_value(proc, cpu, (char *) key, value);
 		}
 	}
 
@@ -250,30 +252,24 @@ enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data,
 	struct processtop *parent, *child;
 	unsigned long timestamp;
 
-	/* FIXME : display nice error when missing context pid, tid, ppid and comm */
-
 	timestamp = bt_ctf_get_timestamp(call_data);
 	if (timestamp == -1ULL)
 		goto error;
 
 	pid = get_context_pid(call_data);
 	if (pid == -1ULL) {
-//		fprintf(stderr, "Missing pid context info\n");
 		goto error;
 	}
 	tid = get_context_tid(call_data);
 	if (tid == -1ULL) {
-//		fprintf(stderr, "Missing tid context info\n");
 		goto error;
 	}
 	ppid = get_context_ppid(call_data);
 	if (ppid == -1ULL) {
-//		fprintf(stderr, "Missing ppid context info\n");
 		goto error;
 	}
 	comm = get_context_comm(call_data);
 	if (!comm) {
-//		fprintf(stderr, "Missing procname context info\n");
 		goto error;
 	}
 
@@ -307,7 +303,7 @@ error:
 void init_lttngtop()
 {
 	copies = g_ptr_array_new();
-	lttngtop.perf_list = g_hash_table_new(g_str_hash, g_str_equal);
+	global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal);
 
 	sem_init(&goodtodisplay, 0, 0);
 	sem_init(&goodtoupdate, 0, 1);
@@ -355,19 +351,6 @@ static int parse_options(int argc, char **argv)
 				usage(stdout);
 				ret = 1;    /* exit cleanly */
 				goto end;
-			case OPT_LIST:
-			//	list_formats(stdout);
-				ret = 1;
-				goto end;
-			case OPT_VERBOSE:
-//				babeltrace_verbose = 1;
-				break;
-			case OPT_DEBUG:
-//				babeltrace_debug = 1;
-				break;
-			case OPT_NAMES:
-//				opt_field_names = 1;
-				break;
 			default:
 				ret = -EINVAL;
 				goto end;
@@ -412,6 +395,12 @@ void iter_trace(struct bt_context *bt_ctx)
 	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,
@@ -470,7 +459,7 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
 	GArray *trace_ids;
 	char lpath[PATH_MAX];
 	char * const paths[2] = { lpath, NULL };
-	int ret;
+	int ret = -1;
 
 	/*
 	 * Need to copy path, because fts_open can change it.
@@ -503,11 +492,9 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
 		}
 		metafd = openat(dirfd, "metadata", O_RDONLY);
 		if (metafd < 0) {
-			ret = close(dirfd);
-			if (ret < 0) {
-				perror("close");
-				goto error;
-			}
+			close(dirfd);
+			ret = -1;
+			continue;
 		} else {
 			int trace_id;
 
@@ -526,22 +513,126 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
 				node->fts_accpath, format_str,
 				packet_seek, NULL, NULL);
 			if (trace_id < 0) {
-				fprintf(stderr, "[error] [Context] opening trace \"%s\" from %s "
+				fprintf(stderr, "[warning] [Context] opening trace \"%s\" from %s "
 					"for reading.\n", node->fts_accpath, path);
-				ret = trace_id;
-				goto error;
+				/* Allow to skip erroneous traces. */
+				continue;
 			}
 			g_array_append_val(trace_ids, trace_id);
 		}
 	}
 
 	g_array_free(trace_ids, TRUE);
-	return 0;
+	return ret;
 
 error:
 	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;
+	struct perfcounter *global;
+	const char *name;
+
+	for (j = 0; j < field_cnt; j++) {
+		name = bt_ctf_get_decl_field_name(field_list[j]);
+		if (*tid_check == 0) {
+			if (strncmp(name, "tid", 3) == 0)
+				(*tid_check)++;
+		}
+		if (*pid_check == 0) {
+			if (strncmp(name, "tid", 3) == 0)
+				(*pid_check)++;
+		}
+		if (*ppid_check == 0) {
+			if (strncmp(name, "ppid", 4) == 0)
+				(*ppid_check)++;
+		}
+		if (*procname_check == 0) {
+			if (strncmp(name, "procname", 8) == 0)
+				(*procname_check)++;
+		}
+		if (strncmp(name, "perf_", 5) == 0) {
+			global = g_hash_table_lookup(global_perf_liszt, (gpointer) name);
+			if (!global) {
+				global = g_new0(struct perfcounter, 1);
+				/* by default, sort on the first perf context */
+				if (g_hash_table_size(global_perf_liszt) == 0)
+					global->sort = 1;
+				global->visible = 1;
+				g_hash_table_insert(global_perf_liszt, (gpointer) strdup(name), global);
+			}
+		}
+	}
+
+	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);
+
+		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);
+
+		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 (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");
+	}
+
+	return ret;
+}
+
 int main(int argc, char **argv)
 {
 	int ret;
@@ -561,7 +652,13 @@ int main(int argc, char **argv)
 	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] some mandatory contexts were missing, exiting.\n");
 		goto end;
 	}