cleanup threads scheme and textdump option
authorJulien Desfossez <jdesfossez@efficios.com>
Wed, 15 Aug 2012 23:51:33 +0000 (19:51 -0400)
committerJulien Desfossez <jdesfossez@efficios.com>
Sat, 19 Oct 2013 16:02:38 +0000 (12:02 -0400)
Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
src/lttngtop.c

index 2857d5763c9c32f37fa97be864989b0929b4657f..7c0ec53b71c34f280bde95b8698bff32c5763fff 100644 (file)
 #define DEFAULT_FILE_ARRAY_SIZE 1
 
 const char *opt_input_path;
+int opt_textdump;
 
 struct lttngtop *copy;
 pthread_t display_thread;
 pthread_t timer_thread;
-pthread_t live_trace_thread;
 
 unsigned long refresh_display = 1 * NSEC_PER_SEC;
 unsigned long last_display_update = 0;
 int quit = 0;
 
-/* LIVE */
-pthread_t thread_live_consume;
 /* list of FDs available for being read with snapshots */
 struct mmap_stream_list mmap_list;
 GPtrArray *lttng_consumer_stream_array;
@@ -78,15 +76,13 @@ int metadata_ready = 0;
 enum {
        OPT_NONE = 0,
        OPT_HELP,
-       OPT_LIST,
-       OPT_VERBOSE,
-       OPT_DEBUG,
-       OPT_NAMES,
+       OPT_TEXTDUMP,
 };
 
 static struct poptOption long_options[] = {
        /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
        { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+       { "textdump", 't', POPT_ARG_NONE, NULL, OPT_TEXTDUMP, NULL, NULL },
        { NULL, 0, 0, NULL, 0, NULL, NULL },
 };
 
@@ -388,6 +384,9 @@ static int parse_options(int argc, char **argv)
                                usage(stdout);
                                ret = 1;    /* exit cleanly */
                                goto end;
+                       case OPT_TEXTDUMP:
+                               opt_textdump = 1;
+                               goto end;
                        default:
                                ret = -EINVAL;
                                goto end;
@@ -413,56 +412,57 @@ void iter_trace(struct bt_context *bt_ctx)
        begin_pos.type = BT_SEEK_BEGIN;
        iter = bt_ctf_iter_create(bt_ctx, &begin_pos, NULL);
 
-       bt_ctf_iter_add_callback(iter, 0, NULL, 0,
-                       print_timestamp,
-                       NULL, NULL, NULL);
-
-#if 0
-       /* at each event check if we need to refresh */
-       bt_ctf_iter_add_callback(iter, 0, NULL, 0,
-                       check_timestamp,
-                       NULL, NULL, NULL);
-       /* at each event, verify the status of the process table */
-       bt_ctf_iter_add_callback(iter, 0, NULL, 0,
-                       fix_process_table,
-                       NULL, NULL, NULL);
-       /* to handle the scheduling events */
-       bt_ctf_iter_add_callback(iter,
-                       g_quark_from_static_string("sched_switch"),
-                       NULL, 0, handle_sched_switch, NULL, NULL, NULL);
-       /* to clean up the process table */
-       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,
-                       g_quark_from_static_string("exit_syscall"),
-                       NULL, 0, handle_exit_syscall, NULL, NULL, NULL);
-       bt_ctf_iter_add_callback(iter,
-                       g_quark_from_static_string("sys_write"),
-                       NULL, 0, handle_sys_write, NULL, NULL, NULL);
-       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(
+       if (opt_textdump) {
+               bt_ctf_iter_add_callback(iter, 0, NULL, 0,
+                               print_timestamp,
+                               NULL, NULL, NULL);
+       } else {
+               /* at each event check if we need to refresh */
+               bt_ctf_iter_add_callback(iter, 0, NULL, 0,
+                               check_timestamp,
+                               NULL, NULL, NULL);
+               /* at each event, verify the status of the process table */
+               bt_ctf_iter_add_callback(iter, 0, NULL, 0,
+                               fix_process_table,
+                               NULL, NULL, NULL);
+               /* to handle the scheduling events */
+               bt_ctf_iter_add_callback(iter,
+                               g_quark_from_static_string("sched_switch"),
+                               NULL, 0, handle_sched_switch, NULL, NULL, NULL);
+               /* to clean up the process table */
+               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,
+                               g_quark_from_static_string("exit_syscall"),
+                               NULL, 0, handle_exit_syscall, NULL, NULL, NULL);
+               bt_ctf_iter_add_callback(iter,
+                               g_quark_from_static_string("sys_write"),
+                               NULL, 0, handle_sys_write, NULL, NULL, NULL);
+               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);
-#endif
+                               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)
@@ -875,8 +875,8 @@ void *setup_live_tracing()
 
        strcpy(chan.name, channel_name);
        chan.attr.overwrite = 0;
-       chan.attr.subbuf_size = 32768;
-//     chan.attr.subbuf_size = 1048576; /* 1MB */
+//     chan.attr.subbuf_size = 32768;
+       chan.attr.subbuf_size = 1048576; /* 1MB */
        chan.attr.num_subbuf = 4;
        chan.attr.switch_timer_interval = 0;
        chan.attr.read_timer_interval = 200;
@@ -891,13 +891,19 @@ void *setup_live_tracing()
        memset(&ev, '\0', sizeof(struct lttng_event));
        //sprintf(ev.name, "sched_switch");
        ev.type = LTTNG_EVENT_TRACEPOINT;
-
        if ((ret = lttng_enable_event(handle, &ev, channel_name)) < 0) {
                fprintf(stderr,"error enabling event : %s\n",
                                helper_lttcomm_get_readable_code(ret));
                goto end;
        }
 
+       ev.type = LTTNG_EVENT_SYSCALL;
+       if ((ret = lttng_enable_event(handle, &ev, channel_name)) < 0) {
+               fprintf(stderr,"error enabling syscalls : %s\n",
+                               helper_lttcomm_get_readable_code(ret));
+               goto end;
+       }
+
        kctxpid.ctx = LTTNG_EVENT_CONTEXT_PID;
        lttng_add_context(handle, &kctxpid, NULL, NULL);
        kctxppid.ctx = LTTNG_EVENT_CONTEXT_PPID;
@@ -915,18 +921,9 @@ void *setup_live_tracing()
 
        helper_kernctl_buffer_flush(consumerd_metadata);
 
-       /* Create thread to manage the polling/writing of traces */
-       ret = pthread_create(&thread_live_consume, NULL, live_consume, NULL);
-       if (ret != 0) {
-               perror("pthread_create");
-               goto end;
-       }
-
        /* block until metadata is ready */
        sem_init(&metadata_available, 0, 0);
 
-       //init_lttngtop();
-
 end:
        return NULL;
 }
@@ -946,15 +943,18 @@ int main(int argc, char **argv)
        }
 
        if (!opt_input_path) {
-               pthread_create(&live_trace_thread, NULL, setup_live_tracing, (void *) NULL);
+               setup_live_tracing();
+               init_lttngtop();
+               if (!opt_textdump) {
+                       pthread_create(&display_thread, NULL, ncurses_display, (void *) NULL);
+                       pthread_create(&timer_thread, NULL, refresh_thread, (void *) NULL);
+               }
+               live_consume();
+
                sleep(2000);
-               printf("STOPPING\n");
                lttng_stop_tracing("test");
-               printf("DESTROYING\n");
                lttng_destroy_session("test");
 
-               printf("CANCELLING\n");
-               pthread_cancel(live_trace_thread);
                goto end;
        } else {
                init_lttngtop();
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