diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/net/interface_test.go | 6 | ||||
| -rw-r--r-- | src/syscall/netlink_linux.go | 16 |
2 files changed, 19 insertions, 3 deletions
diff --git a/src/net/interface_test.go b/src/net/interface_test.go index da54a660e5..5590b06262 100644 --- a/src/net/interface_test.go +++ b/src/net/interface_test.go @@ -300,6 +300,7 @@ func checkMulticastStats(ifStats *ifStats, uniStats, multiStats *routeStats) err } func BenchmarkInterfaces(b *testing.B) { + b.ReportAllocs() testHookUninstaller.Do(uninstallTestHooks) for i := 0; i < b.N; i++ { @@ -310,6 +311,7 @@ func BenchmarkInterfaces(b *testing.B) { } func BenchmarkInterfaceByIndex(b *testing.B) { + b.ReportAllocs() testHookUninstaller.Do(uninstallTestHooks) ifi := loopbackInterface() @@ -324,6 +326,7 @@ func BenchmarkInterfaceByIndex(b *testing.B) { } func BenchmarkInterfaceByName(b *testing.B) { + b.ReportAllocs() testHookUninstaller.Do(uninstallTestHooks) ifi := loopbackInterface() @@ -338,6 +341,7 @@ func BenchmarkInterfaceByName(b *testing.B) { } func BenchmarkInterfaceAddrs(b *testing.B) { + b.ReportAllocs() testHookUninstaller.Do(uninstallTestHooks) for i := 0; i < b.N; i++ { @@ -348,6 +352,7 @@ func BenchmarkInterfaceAddrs(b *testing.B) { } func BenchmarkInterfacesAndAddrs(b *testing.B) { + b.ReportAllocs() testHookUninstaller.Do(uninstallTestHooks) ifi := loopbackInterface() @@ -362,6 +367,7 @@ func BenchmarkInterfacesAndAddrs(b *testing.B) { } func BenchmarkInterfacesAndMulticastAddrs(b *testing.B) { + b.ReportAllocs() testHookUninstaller.Do(uninstallTestHooks) ifi := loopbackInterface() diff --git a/src/syscall/netlink_linux.go b/src/syscall/netlink_linux.go index e976c70ef1..a503a07440 100644 --- a/src/syscall/netlink_linux.go +++ b/src/syscall/netlink_linux.go @@ -6,7 +6,10 @@ package syscall -import "unsafe" +import ( + "sync" + "unsafe" +) // Round the length of a netlink message up to align it properly. func nlmAlignOf(msglen int) int { @@ -47,6 +50,11 @@ func newNetlinkRouteRequest(proto, seq, family int) []byte { return rr.toWireFormat() } +var pageBufPool = &sync.Pool{New: func() any { + b := make([]byte, Getpagesize()) + return &b +}} + // NetlinkRIB returns routing information base, as known as RIB, which // consists of network facility information, states and parameters. func NetlinkRIB(proto, family int) ([]byte, error) { @@ -72,10 +80,12 @@ func NetlinkRIB(proto, family int) ([]byte, error) { return nil, EINVAL } var tab []byte - rbNew := make([]byte, Getpagesize()) + + rbNew := pageBufPool.Get().(*[]byte) + defer pageBufPool.Put(rbNew) done: for { - rb := rbNew + rb := *rbNew nr, _, err := Recvfrom(s, rb, 0) if err != nil { return nil, err |