ANON_REGION in futex

c39c11ab · Silas Boyd-Wickizer · 49c96f6e · c39c11ab
--- a/kernel/futex.cc
+++ b/kernel/futex.cc
@@ -9,6 +9,7 @@
 #include "cpu.hh"
 #include "percpu.hh"
 #include "kmtrace.hh"
+#include "sperf.hh"

 //
 // futexkey
@@ -170,6 +171,8 @@ futexaddr::onzero(void) const
 long
 futexwait(futexkey_t key, u64 val, u64 timer)
 {
+  ANON_REGION(__func__, &perfgroup);
+
  futexaddr* fa;

  mtreadavar("futex:ns:%lx", key);
@@ -226,6 +229,8 @@ futexwait(futexkey_t key, u64 val, u64 timer)
 long
 futexwake(futexkey_t key, u64 nwake)
 {
+  ANON_REGION(__func__, &perfgroup);
+
  futexaddr* fa;
  u64 nwoke = 0;