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Backport: relayd: initialize the global fd tracker from fd_cap parameter
[lttng-tools.git]
/
src
/
bin
/
lttng-relayd
/
main.c
diff --git
a/src/bin/lttng-relayd/main.c
b/src/bin/lttng-relayd/main.c
index 7cb0140c6e40205cdb33cda92fc65016ecffc84d..72ecef2f2e49901c2392d0f658b50832b2e420d6 100644
(file)
--- a/
src/bin/lttng-relayd/main.c
+++ b/
src/bin/lttng-relayd/main.c
@@
-165,6
+165,9
@@
struct lttng_ht *sessions_ht;
/* Relayd health monitoring */
struct health_app *health_relayd;
/* Relayd health monitoring */
struct health_app *health_relayd;
+/* Global fd tracker. */
+struct fd_tracker *the_fd_tracker;
+
static struct option long_options[] = {
{ "control-port", 1, 0, 'C', },
{ "data-port", 1, 0, 'D', },
static struct option long_options[] = {
{ "control-port", 1, 0, 'C', },
{ "data-port", 1, 0, 'D', },
@@
-592,13
+595,9
@@
exit:
static void print_global_objects(void)
{
static void print_global_objects(void)
{
- rcu_register_thread();
-
print_viewer_streams();
print_relay_streams();
print_sessions();
print_viewer_streams();
print_relay_streams();
print_sessions();
-
- rcu_unregister_thread();
}
/*
}
/*
@@
-630,6
+629,7
@@
static void relayd_cleanup(void)
if (tracing_group_name_override) {
free((void *) tracing_group_name);
}
if (tracing_group_name_override) {
free((void *) tracing_group_name);
}
+ fd_tracker_log(the_fd_tracker);
}
/*
}
/*
@@
-3314,7
+3314,6
@@
int main(int argc, char **argv)
}
}
}
}
-
if (opt_working_directory) {
ret = utils_change_working_dir(opt_working_directory);
if (ret) {
if (opt_working_directory) {
ret = utils_change_working_dir(opt_working_directory);
if (ret) {
@@
-3322,6
+3321,19
@@
int main(int argc, char **argv)
goto exit_options;
}
}
goto exit_options;
}
}
+ /*
+ * The RCU thread registration (and use, through the fd-tracker's
+ * creation) is done after the daemonization to allow us to not
+ * deal with liburcu's fork() management as the call RCU needs to
+ * be restored.
+ */
+ rcu_register_thread();
+
+ the_fd_tracker = fd_tracker_create(lttng_opt_fd_cap);
+ if (!the_fd_tracker) {
+ retval = -1;
+ goto exit_options;
+ }
/* Initialize thread health monitoring */
health_relayd = health_app_create(NR_HEALTH_RELAYD_TYPES);
/* Initialize thread health monitoring */
health_relayd = health_app_create(NR_HEALTH_RELAYD_TYPES);
@@
-3485,6
+3497,9
@@
exit_options:
/* Ensure all prior call_rcu are done. */
rcu_barrier();
/* Ensure all prior call_rcu are done. */
rcu_barrier();
+ fd_tracker_destroy(the_fd_tracker);
+ rcu_unregister_thread();
+
if (!retval) {
exit(EXIT_SUCCESS);
} else {
if (!retval) {
exit(EXIT_SUCCESS);
} else {
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