/*
- * 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _GNU_SOURCE
#include <babeltrace/babeltrace.h>
#include <babeltrace/ctf/events.h>
#include <babeltrace/ctf/callbacks.h>
+#include <babeltrace/ctf/iterator.h>
#include <fcntl.h>
#include <pthread.h>
#include <popt.h>
#include <errno.h>
#include <sys/types.h>
#include <fts.h>
+#include <assert.h>
#include "lttngtoptypes.h"
#include "cputop.h"
void *refresh_thread(void *p)
{
while (1) {
+ if (quit)
+ return NULL;
sem_wait(&pause_sem);
sem_post(&pause_sem);
sem_post(&timer);
unsigned int current_display_index = 0;
sem_wait(&bootstrap);
+ /*
+ * Prevent the 1 second delay when we hit ESC
+ */
+ ESCDELAY = 0;
init_ncurses();
while (1) {
sem_wait(&pause_sem);
copy = g_ptr_array_index(copies, current_display_index);
- if (copy)
- display(current_display_index++);
+ assert(copy);
+ display(current_display_index++);
sem_post(&goodtoupdate);
sem_post(&pause_sem);
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)
ret = g_new0(struct perfcounter, 1);
/* by default, make it visible in the UI */
ret->visible = 1;
- g_hash_table_insert(table, (gpointer) 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) name, global);
- }
+ g_hash_table_insert(table, (gpointer) strdup(name), ret);
end:
return ret;
}
}
-void extract_perf_counter_scope(struct bt_ctf_event *event,
- struct definition *scope,
+void extract_perf_counter_scope(const struct bt_ctf_event *event,
+ const struct definition *scope,
struct processtop *proc,
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;
if (ret < 0)
goto end;
- for (i = 0; i < count; i++) {
- const char *name = bt_ctf_field_name(list[i]);
- if (strncmp(name, "_perf_", 6) == 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);
}
}
return;
}
-void update_perf_counter(struct processtop *proc, struct bt_ctf_event *event)
+void update_perf_counter(struct processtop *proc, const struct bt_ctf_event *event)
{
- struct definition *scope;
- uint64_t cpu_id;
struct cputime *cpu;
+ const struct definition *scope;
- scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT);
- cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(event, scope, "cpu_id"));
- if (bt_ctf_field_get_error()) {
- fprintf(stderr, "[error] get cpu_id\n");
- goto end;
- }
- cpu = get_cpu(cpu_id);
+ cpu = get_cpu(get_cpu_id(event));
scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
extract_perf_counter_scope(event, scope, proc, cpu);
scope = bt_ctf_get_top_level_scope(event, BT_EVENT_CONTEXT);
extract_perf_counter_scope(event, scope, proc, cpu);
-
-end:
- return;
}
enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data,
int pid, tid, ppid;
char *comm;
struct processtop *parent, *child;
- struct definition *scope;
unsigned long timestamp;
- /* FIXME : check context pid, tid, ppid and comm */
-
timestamp = bt_ctf_get_timestamp(call_data);
if (timestamp == -1ULL)
goto error;
- scope = bt_ctf_get_top_level_scope(call_data, BT_STREAM_EVENT_CONTEXT);
-
- 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");
+ pid = get_context_pid(call_data);
+ if (pid == -1ULL) {
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");
+ tid = get_context_tid(call_data);
+ if (tid == -1ULL) {
goto error;
}
- 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");
+ ppid = get_context_ppid(call_data);
+ if (ppid == -1ULL) {
goto error;
}
- comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, scope, "_procname"));
- if (bt_ctf_field_get_error()) {
-// fprintf(stderr, "Missing procname context info\n");
+ comm = get_context_comm(call_data);
+ if (!comm) {
goto error;
}
void init_lttngtop()
{
copies = g_ptr_array_new();
- lttngtop.perf_list = g_hash_table_new(g_direct_hash, g_direct_equal);
+ global_perf_liszt = g_hash_table_new(g_str_hash, g_str_equal);
sem_init(&goodtodisplay, 0, 0);
sem_init(&goodtoupdate, 0, 1);
sem_init(&pause_sem, 0, 1);
sem_init(&end_trace_sem, 0, 0);
+ reset_global_counters();
+ lttngtop.nbproc = 0;
+ lttngtop.nbthreads = 0;
+ lttngtop.nbfiles = 0;
+
lttngtop.process_table = g_ptr_array_new();
lttngtop.files_table = g_ptr_array_new();
lttngtop.cpu_table = g_ptr_array_new();
}
-void usage(FILE *fd)
+void usage(FILE *fp)
{
-
+ fprintf(fp, "LTTngTop %s\n\n", VERSION);
+ fprintf(fp, "Usage : lttngtop /path/to/trace\n");
}
/*
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;
{
struct bt_ctf_iter *iter;
struct bt_iter_pos begin_pos;
- struct bt_ctf_event *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,
bt_ctf_iter_add_callback(iter,
g_quark_from_static_string("sys_read"),
NULL, 0, handle_sys_read, NULL, NULL, NULL);
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string("sys_open"),
+ NULL, 0, handle_sys_open, NULL, NULL, NULL);
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string("sys_close"),
+ NULL, 0, handle_sys_close, NULL, NULL, NULL);
+ bt_ctf_iter_add_callback(iter,
+ g_quark_from_static_string(
+ "lttng_statedump_file_descriptor"),
+ NULL, 0, handle_statedump_file_descriptor,
+ NULL, NULL, NULL);
+
while ((event = bt_ctf_iter_read_event(iter)) != NULL) {
ret = bt_iter_next(bt_ctf_get_iter(iter));
if (ret < 0)
sem_wait(&end_trace_sem);
end_iter:
- bt_iter_destroy(bt_ctf_get_iter(iter));
+ bt_ctf_iter_destroy(iter);
}
/*
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.
}
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;
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;
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;
}
quit = 1;
pthread_join(display_thread, NULL);
+ pthread_join(timer_thread, NULL);
end:
+ bt_context_put(bt_ctx);
return 0;
}
projects / lttngtop.git / blobdiff