lockstat: core infrastructure

[firefly-linux-kernel-4.4.55.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 2aaa3f98185d12efe58a589f48017f83f488cb53..e69179b1809ca31b9e302060baeba7d408193711 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -161,6 +161,8 @@ extern ctl_table inotify_table[];
 int sysctl_legacy_va_layout;
 #endif
 
+extern int prove_locking;
+extern int lock_stat;
 
 /* The default sysctl tables: */
 
@@ -282,6 +284,26 @@ static ctl_table kern_table[] = {
                .mode           = 0644,
                .proc_handler   = &proc_dointvec,
        },
+#ifdef CONFIG_PROVE_LOCKING
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "prove_locking",
+               .data           = &prove_locking,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+#endif
+#ifdef CONFIG_LOCK_STAT
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "lock_stat",
+               .data           = &lock_stat,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+#endif
        {
                .ctl_name       = CTL_UNNUMBERED,
                .procname       = "sched_features",