statedump_process_state & problems patches
[lttngtop.git] / src / lttngtop.c
index ad1e7137c5ab5f9a1c7d46de7b8b02622dadc2b0..52f0046bd63f4e3cdc74a021a4cc9d20da4f19ee 100644 (file)
  * 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
@@ -23,6 +22,7 @@
 #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>
@@ -36,6 +36,7 @@
 #include <errno.h>
 #include <sys/types.h>
 #include <fts.h>
+#include <assert.h>
 
 #include "lttngtoptypes.h"
 #include "cputop.h"
@@ -73,6 +74,8 @@ static struct poptOption long_options[] = {
 void *refresh_thread(void *p)
 {
        while (1) {
+               if (quit)
+                       return NULL;
                sem_wait(&pause_sem);
                sem_post(&pause_sem);
                sem_post(&timer);
@@ -93,8 +96,8 @@ void *ncurses_display(void *p)
                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);
@@ -160,7 +163,7 @@ struct perfcounter *get_perf_counter(const char *name, struct processtop *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);
+       g_hash_table_insert(table, (gpointer) strdup(name), ret);
 
        global = g_hash_table_lookup(lttngtop.perf_list, (gpointer) name);
        if (!global) {
@@ -169,7 +172,7 @@ struct perfcounter *get_perf_counter(const char *name, struct processtop *proc,
                /* 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(lttngtop.perf_list, (gpointer) strdup(name), global);
        }
 
 end:
@@ -192,8 +195,8 @@ void update_perf_value(struct processtop *proc, struct cputime *cpu,
        }
 }
 
-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)
 {
@@ -210,7 +213,7 @@ void extract_perf_counter_scope(struct bt_ctf_event *event,
 
        for (i = 0; i < count; i++) {
                const char *name = bt_ctf_field_name(list[i]);
-               if (strncmp(name, "_perf_", 6) == 0) {
+               if (strncmp(name, "perf_", 5) == 0) {
                        int value = bt_ctf_get_uint64(list[i]);
                        if (bt_ctf_field_get_error())
                                continue;
@@ -222,19 +225,12 @@ end:
        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);
@@ -244,9 +240,6 @@ void update_perf_counter(struct processtop *proc, struct bt_ctf_event *event)
 
        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,
@@ -255,34 +248,31 @@ 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 */
+       /* FIXME : display nice error when missing 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()) {
+       pid = get_context_pid(call_data);
+       if (pid == -1ULL) {
 //             fprintf(stderr, "Missing pid context info\n");
                goto error;
        }
-       tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, scope, "_tid"));
-       if (bt_ctf_field_get_error()) {
+       tid = get_context_tid(call_data);
+       if (tid == -1ULL) {
 //             fprintf(stderr, "Missing tid context info\n");
                goto error;
        }
-       ppid = bt_ctf_get_int64(bt_ctf_get_field(call_data, scope, "_ppid"));
-       if (bt_ctf_field_get_error()) {
+       ppid = get_context_ppid(call_data);
+       if (ppid == -1ULL) {
 //             fprintf(stderr, "Missing ppid context info\n");
                goto error;
        }
-       comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, scope, "_procname"));
-       if (bt_ctf_field_get_error()) {
+       comm = get_context_comm(call_data);
+       if (!comm) {
 //             fprintf(stderr, "Missing procname context info\n");
                goto error;
        }
@@ -317,7 +307,7 @@ error:
 void init_lttngtop()
 {
        copies = g_ptr_array_new();
-       lttngtop.perf_list = g_hash_table_new(g_direct_hash, g_direct_equal);
+       lttngtop.perf_list = g_hash_table_new(g_str_hash, g_str_equal);
 
        sem_init(&goodtodisplay, 0, 0);
        sem_init(&goodtoupdate, 0, 1);
@@ -326,14 +316,20 @@ void init_lttngtop()
        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");
 }
 
 /*
@@ -394,7 +390,7 @@ void iter_trace(struct bt_context *bt_ctx)
 {
        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;
@@ -416,6 +412,12 @@ 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,
@@ -427,6 +429,18 @@ void iter_trace(struct bt_context *bt_ctx)
        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)
@@ -437,7 +451,7 @@ void iter_trace(struct bt_context *bt_ctx)
        sem_wait(&end_trace_sem);
 
 end_iter:
-       bt_iter_destroy(bt_ctf_get_iter(iter));
+       bt_ctf_iter_destroy(iter);
 }
 
 /*
@@ -564,7 +578,9 @@ int main(int argc, char **argv)
 
        quit = 1;
        pthread_join(display_thread, NULL);
+       pthread_join(timer_thread, NULL);
 
 end:
+       bt_context_put(bt_ctx);
        return 0;
 }
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