.

go/neo/neo.go

@@ -22,6 +22,8 @@
 // XXX text
 package neo
 
+//go:generate sh -c "go run ../xcommon/tracing/cmd/gotracegen/gotracegen.go ."
+
 import (
 	"lab.nexedi.com/kirr/neo/go/zodb"
 )

go/neo/trace.go

-// Copyright (C) 2016-2017  Nexedi SA and Contributors.
-//                          Kirill Smelkov <kirr@nexedi.com>
-//
-// This program is free software: you can Use, Study, Modify and Redistribute
-// it under the terms of the GNU General Public License version 3, or (at your
-// option) any later version, as published by the Free Software Foundation.
-//
-// You can also Link and Combine this program with other software covered by
-// the terms of any of the Open Source Initiative approved licenses and Convey
-// the resulting work. Corresponding source of such a combination shall include
-// the source code for all other software used.
-//
-// This program is distributed WITHOUT ANY WARRANTY; without even the implied
-// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-//
-// See COPYING file for full licensing terms.
-
-package neo
-// tracepoints
+// Code generated by lab.nexedi.com/kirr/go123/tracing/cmd/gotrace; DO NOT EDIT.
 
-import (
-	"unsafe"
+package 0x5f45c0
 
-	"lab.nexedi.com/kirr/neo/go/xcommon/tracing"
+import (
+		lab.nexedi.com/kirr/neo/go/xcommon/tracing
 )
 
-// XXX after https://github.com/golang/go/issues/19348 won't cost a function
-//     call when tracepoint is disabled
+// traceevent: traceConnRecv(c *Conn, msg Msg)	XXX better raw .Text (e.g. comments)
+
+type _t_traceConnRecv struct {
+	tracing.Probe
+	probefunc     func(c *Conn, msg Msg)
+}
 
-// XXX do we need *_Enabled() ?
+var _traceConnRecv *_t_traceConnRecv
 
-var _traceConnRecv []func(*Conn, Msg)
 func traceConnRecv(c *Conn, msg Msg) {
-	if _traceConnRecv == nil {
-		return
+	if _traceConnRecv != nil {
+		_traceConnRecv_run(c, msg)
 	}
+}
 
-	for _, probe := range _traceConnRecv {
-		probe(c, msg)
+func _traceConnRecv_run(c, msg) {
+	for p := _traceConnRecv; p != nil; p = (*_t_traceConnRecv)(unsafe.Pointer(p.Next())) {
+		p.probefunc(c, msg)
 	}
 }
 
-// Must be called under tracing.Lock
-func traceConnRecv_Attach(probe func(*Conn, Msg)) {
-	_traceConnRecv = append(_traceConnRecv, probe)
+func traceConnRecv_Attach(pg *tracing.ProbeGroup, probe func(c *Conn, msg Msg)) *tracing.Probe {
+	p := _t_traceConnRecv{probefunc: probe}
+	tracing.AttachProbe(pg, (**tracing.Probe)(unsafe.Pointer(&_traceConnRecv), &p.Probe)
+	return &p.Probe
 }
 
-
-// traceevent: traceConnSend(c *Conn, msg Msg)
+// traceevent: traceConnSend(c *Conn, msg Msg)	XXX better raw .Text (e.g. comments)
 
 type _t_traceConnSend struct {
 	tracing.Probe
-	probefunc     func(*Conn, Msg)
+	probefunc     func(c *Conn, msg Msg)
 }
 
 var _traceConnSend *_t_traceConnSend
 
 func traceConnSend(c *Conn, msg Msg) {
 	if _traceConnSend != nil {
-		_traceConnSend_runprobev(c, msg)
+		_traceConnSend_run(c, msg)
 	}
 }
 
-func _traceConnSend_runprobev(c *Conn, msg Msg) {
+func _traceConnSend_run(c, msg) {
 	for p := _traceConnSend; p != nil; p = (*_t_traceConnSend)(unsafe.Pointer(p.Next())) {
 		p.probefunc(c, msg)
 	}
 }
 
-func traceConnSend_Attach(pg *tracing.ProbeGroup, probe func(*Conn, Msg)) *tracing.Probe {
+func traceConnSend_Attach(pg *tracing.ProbeGroup, probe func(c *Conn, msg Msg)) *tracing.Probe {
 	p := _t_traceConnSend{probefunc: probe}
-	tracing.AttachProbe(pg, (**tracing.Probe)(unsafe.Pointer(&_traceConnSend)), &p.Probe)
+	tracing.AttachProbe(pg, (**tracing.Probe)(unsafe.Pointer(&_traceConnSend), &p.Probe)
 	return &p.Probe
 }
+
+// traceimport: lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet
+
+//go:linkname pipenet_traceAccept_Attach lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet.traceAccept_Attach
+func pipenet_traceAccept_Attach(*tracing.ProbeGroup, func(conn net.Conn)) *tracing.Probe
+
+//go:linkname pipenet_traceDial_Attach lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet.traceDial_Attach
+func pipenet_traceDial_Attach(*tracing.ProbeGroup, func(addr string)) *tracing.Probe
+
+//go:linkname pipenet_traceListen_Attach lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet.traceListen_Attach
+func pipenet_traceListen_Attach(*tracing.ProbeGroup, func(laddr string)) *tracing.Probe
+
+//go:linkname pipenet_traceNew_Attach lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet.traceNew_Attach
+func pipenet_traceNew_Attach(*tracing.ProbeGroup, func(name string)) *tracing.Probe
+
+//go:linkname pipenet_traceNewHost_Attach lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet.traceNewHost_Attach
+func pipenet_traceNewHost_Attach(*tracing.ProbeGroup, func(host *Host)) *tracing.Probe

go/neo/trace.s

+// Code generated by lab.nexedi.com/kirr/go123/tracing/cmd/gotrace; DO NOT EDIT.
+// empty .s so `go build` does not use -complete for go:linkname to work

go/xcommon/tracing/cmd/gotracegen/gotracegen.go

@@ -385,6 +385,7 @@ func tracegen(pkgpath string) error {
 		log.Fatal(err)
 	}
 
+	// XXX vvv needed only if there are trace imports
 	// write empty trace.s so go:linkname works
 	buf.Reset()
 	buf.WriteString(magic)

go/xcommon/x.go

-
-// traceevent: traceConnRecv(c *Conn, msg Msg)	XXX better raw .Text (e.g. comments)
-
-type _t_traceConnRecv struct {
-	tracing.Probe
-	probefunc     func(c *Conn, msg Msg)
-}
-
-var _traceConnRecv *_t_traceConnRecv
-
-func traceConnRecv(c *Conn, msg Msg) {
-	if _traceConnRecv != nil {
-		_traceConnRecv_run(c, msg)
-	}
-}
-
-func _traceConnRecv_run(c, msg) {
-	for p := _traceConnRecv; p != nil; p = (*_t_traceConnRecv)(unsafe.Pointer(p.Next())) {
-		p.probefunc(c, msg)
-	}
-}
-
-func traceConnRecv_Attach(pg *tracing.ProbeGroup, probe func(c *Conn, msg Msg)) *tracing.Probe {
-	p := _t_traceConnRecv{probefunc: probe}
-	tracing.AttachProbe(pg, (**tracing.Probe)(unsafe.Pointer(&_traceConnRecv), &p.Probe)
-	return &p.Probe
-}
-
-// traceevent: traceConnSend(c *Conn, msg Msg)	XXX better raw .Text (e.g. comments)
-
-type _t_traceConnSend struct {
-	tracing.Probe
-	probefunc     func(c *Conn, msg Msg)
-}
-
-var _traceConnSend *_t_traceConnSend
-
-func traceConnSend(c *Conn, msg Msg) {
-	if _traceConnSend != nil {
-		_traceConnSend_run(c, msg)
-	}
-}
-
-func _traceConnSend_run(c, msg) {
-	for p := _traceConnSend; p != nil; p = (*_t_traceConnSend)(unsafe.Pointer(p.Next())) {
-		p.probefunc(c, msg)
-	}
-}
-
-func traceConnSend_Attach(pg *tracing.ProbeGroup, probe func(c *Conn, msg Msg)) *tracing.Probe {
-	p := _t_traceConnSend{probefunc: probe}
-	tracing.AttachProbe(pg, (**tracing.Probe)(unsafe.Pointer(&_traceConnSend), &p.Probe)
-	return &p.Probe
-}
-
-// traceimport: lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet
-
-//go:linkname pipenet_traceAccept_Attach lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet.traceAccept_Attach
-func pipenet_traceAccept_Attach(*tracing.ProbeGroup, func(conn net.Conn)) *tracing.Probe
-
-//go:linkname pipenet_traceDial_Attach lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet.traceDial_Attach
-func pipenet_traceDial_Attach(*tracing.ProbeGroup, func(addr string)) *tracing.Probe
-
-//go:linkname pipenet_traceListen_Attach lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet.traceListen_Attach
-func pipenet_traceListen_Attach(*tracing.ProbeGroup, func(laddr string)) *tracing.Probe
-
-//go:linkname pipenet_traceNew_Attach lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet.traceNew_Attach
-func pipenet_traceNew_Attach(*tracing.ProbeGroup, func(name string)) *tracing.Probe
-
-//go:linkname pipenet_traceNewHost_Attach lab.nexedi.com/kirr/neo/go/xcommon/xnet/pipenet.traceNewHost_Attach
-func pipenet_traceNewHost_Attach(*tracing.ProbeGroup, func(host *Host)) *tracing.Probe