System call filtering

[lttng-modules.git] / lttng-abi.c

diff --git a/lttng-abi.c b/lttng-abi.c
index cffebcd8b0fc60a646101d02553bc87a269a6272..02918114252d76071d9c51786f9aa955ad9fdeab 100644 (file)
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -925,15 +925,23 @@ int lttng_abi_create_event(struct file *channel_file,
                atomic_long_inc(&channel_file->f_count);
                break;
        case LTTNG_KERNEL_SYSCALL:
-               /*
-                * Only all-syscall tracing supported for now.
-                */
-               if (event_param->name[0] != '\0')
-                       return -EINVAL;
                ret = lttng_syscalls_register(channel, NULL);
                if (ret)
                        goto fd_error;
                event_fd = 0;
+               if (event_param->u.syscall.disable) {
+                       ret = lttng_syscall_filter_disable(channel,
+                               event_param->name[0] == '\0' ?
+                                       NULL : event_param->name);
+                       if (ret)
+                               goto fd_error;
+               } else {
+                       ret = lttng_syscall_filter_enable(channel,
+                               event_param->name[0] == '\0' ?
+                                       NULL : event_param->name);
+                       if (ret)
+                               goto fd_error;
+               }
                break;
        }
        return event_fd;