runtime: integrated network poller for linux
vs tip:
BenchmarkTCP4OneShot 172994 40485 -76.60%
BenchmarkTCP4OneShot-2 96581 30028 -68.91%
BenchmarkTCP4OneShot-4 52615 18454 -64.93%
BenchmarkTCP4OneShot-8 26351 12289 -53.36%
BenchmarkTCP4OneShot-16 12258 16093 +31.29%
BenchmarkTCP4OneShot-32 13200 17045 +29.13%
BenchmarkTCP4OneShotTimeout 124814 42932 -65.60%
BenchmarkTCP4OneShotTimeout-2 99090 29040 -70.69%
BenchmarkTCP4OneShotTimeout-4 51860 18455 -64.41%
BenchmarkTCP4OneShotTimeout-8 26100 12073 -53.74%
BenchmarkTCP4OneShotTimeout-16 12198 16654 +36.53%
BenchmarkTCP4OneShotTimeout-32 13438 17143 +27.57%
BenchmarkTCP4Persistent 115647 7782 -93.27%
BenchmarkTCP4Persistent-2 58024 4808 -91.71%
BenchmarkTCP4Persistent-4 24715 3674 -85.13%
BenchmarkTCP4Persistent-8 16431 2407 -85.35%
BenchmarkTCP4Persistent-16 2336 1875 -19.73%
BenchmarkTCP4Persistent-32 1689 1637 -3.08%
BenchmarkTCP4PersistentTimeout 79754 7859 -90.15%
BenchmarkTCP4PersistentTimeout-2 57708 5952 -89.69%
BenchmarkTCP4PersistentTimeout-4 26907 3823 -85.79%
BenchmarkTCP4PersistentTimeout-8 15036 2567 -82.93%
BenchmarkTCP4PersistentTimeout-16 2507 1903 -24.09%
BenchmarkTCP4PersistentTimeout-32 1717 1627 -5.24%
vs old scheduler:
benchmark old ns/op new ns/op delta
BenchmarkTCPOneShot 192244 40485 -78.94%
BenchmarkTCPOneShot-2 63835 30028 -52.96%
BenchmarkTCPOneShot-4 35443 18454 -47.93%
BenchmarkTCPOneShot-8 22140 12289 -44.49%
BenchmarkTCPOneShot-16 16930 16093 -4.94%
BenchmarkTCPOneShot-32 16719 17045 +1.95%
BenchmarkTCPOneShotTimeout 190495 42932 -77.46%
BenchmarkTCPOneShotTimeout-2 64828 29040 -55.20%
BenchmarkTCPOneShotTimeout-4 34591 18455 -46.65%
BenchmarkTCPOneShotTimeout-8 21989 12073 -45.10%
BenchmarkTCPOneShotTimeout-16 16848 16654 -1.15%
BenchmarkTCPOneShotTimeout-32 16796 17143 +2.07%
BenchmarkTCPPersistent 81670 7782 -90.47%
BenchmarkTCPPersistent-2 26598 4808 -81.92%
BenchmarkTCPPersistent-4 15633 3674 -76.50%
BenchmarkTCPPersistent-8 18093 2407 -86.70%
BenchmarkTCPPersistent-16 17472 1875 -89.27%
BenchmarkTCPPersistent-32 7679 1637 -78.68%
BenchmarkTCPPersistentTimeout 83186 7859 -90.55%
BenchmarkTCPPersistentTimeout-2 26883 5952 -77.86%
BenchmarkTCPPersistentTimeout-4 15776 3823 -75.77%
BenchmarkTCPPersistentTimeout-8 18180 2567 -85.88%
BenchmarkTCPPersistentTimeout-16 17454 1903 -89.10%
BenchmarkTCPPersistentTimeout-32 7798 1627 -79.14%
R=golang-dev, iant, bradfitz, dave, rsc
CC=golang-dev
https://golang.org/cl/7579044
diff --git a/src/pkg/runtime/defs_linux.go b/src/pkg/runtime/defs_linux.go
index c0275e1..2f4e03a 100644
--- a/src/pkg/runtime/defs_linux.go
+++ b/src/pkg/runtime/defs_linux.go
@@ -7,7 +7,7 @@
/*
Input to cgo -cdefs
-GOARCH=amd64 cgo -cdefs defs.go defs1.go >amd64/defs.h
+GOARCH=amd64 go tool cgo -cdefs defs_linux.go defs1_linux.go >defs_linux_amd64.h
*/
package runtime
@@ -25,10 +25,17 @@
#include <asm/signal.h>
#include <asm/siginfo.h>
#include <asm/mman.h>
+#include <asm-generic/errno.h>
+#include <asm-generic/poll.h>
+#include <linux/eventpoll.h>
*/
import "C"
const (
+ EINTR = C.EINTR
+ EAGAIN = C.EAGAIN
+ ENOMEM = C.ENOMEM
+
PROT_NONE = C.PROT_NONE
PROT_READ = C.PROT_READ
PROT_WRITE = C.PROT_WRITE
@@ -95,6 +102,17 @@
ITIMER_REAL = C.ITIMER_REAL
ITIMER_VIRTUAL = C.ITIMER_VIRTUAL
ITIMER_PROF = C.ITIMER_PROF
+
+ EPOLLIN = C.POLLIN
+ EPOLLOUT = C.POLLOUT
+ EPOLLERR = C.POLLERR
+ EPOLLHUP = C.POLLHUP
+ EPOLLRDHUP = C.POLLRDHUP
+ EPOLLET = C.EPOLLET
+ EPOLL_CLOEXEC = C.EPOLL_CLOEXEC
+ EPOLL_CTL_ADD = C.EPOLL_CTL_ADD
+ EPOLL_CTL_DEL = C.EPOLL_CTL_DEL
+ EPOLL_CTL_MOD = C.EPOLL_CTL_MOD
)
type Timespec C.struct_timespec
@@ -102,3 +120,4 @@
type Sigaction C.struct_sigaction
type Siginfo C.siginfo_t
type Itimerval C.struct_itimerval
+type EpollEvent C.struct_epoll_event
