cmd: sync github.com/google/pprof@v0.0.0-20191105193234-27840fff0d09

https://github.com/google/pprof/compare/54271f7e092f...27840fff0d09

Change-Id: I7ded9be6deaaf8d11bd8d228bca8d7eb3ada8774
Reviewed-on: https://go-review.googlesource.com/c/go/+/205780
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

src/cmd/go.mod

@@ -3,7 +3,7 @@ module cmd
 go 1.14
 
 require (
-	github.com/google/pprof v0.0.0-20190515194954-54271f7e092f
+	github.com/google/pprof v0.0.0-20191105193234-27840fff0d09
 	github.com/ianlancetaylor/demangle v0.0.0-20180524225900-fc6590592b44 // indirect
 	golang.org/x/arch v0.0.0-20190815191158-8a70ba74b3a1
 	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550

src/cmd/go.sum

-github.com/google/pprof v0.0.0-20190515194954-54271f7e092f h1:Jnx61latede7zDD3DiiP4gmNz33uK0U5HDUaF0a/HVQ=
-github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
+github.com/google/pprof v0.0.0-20191105193234-27840fff0d09 h1:k2LrtvxLSqJVi/o6O71W+AdZgHzU/mNX7kOXzWUORn0=
+github.com/google/pprof v0.0.0-20191105193234-27840fff0d09/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/ianlancetaylor/demangle v0.0.0-20180524225900-fc6590592b44 h1:pKqc8lAAA6rcwpvsephnRuZp4VHbfszZRClvqAE6Sq8=
 github.com/ianlancetaylor/demangle v0.0.0-20180524225900-fc6590592b44/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 golang.org/x/arch v0.0.0-20190815191158-8a70ba74b3a1 h1:A71BZbKSu+DtCNry/x5JKn20C+64DirDHmePEA8k0FY=

src/cmd/vendor/github.com/google/pprof/internal/driver/webhtml.go

@@ -14,10 +14,12 @@
 
 package driver
 
-import "html/template"
+import (
+	"html/template"
 
-import "github.com/google/pprof/third_party/d3"
-import "github.com/google/pprof/third_party/d3flamegraph"
+	"github.com/google/pprof/third_party/d3"
+	"github.com/google/pprof/third_party/d3flamegraph"
+)
 
 // addTemplates adds a set of template definitions to templates.
 func addTemplates(templates *template.Template) {
@@ -91,7 +93,7 @@ a {
   text-align: left;
 }
 .header input {
-  background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' style='pointer-events:none;display:block;width:100%25;height:100%25;fill:#757575'%3E%3Cpath d='M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61.0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E") no-repeat 4px center/20px 20px;
+  background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' style='pointer-events:none;display:block;width:100%25;height:100%25;fill:%23757575'%3E%3Cpath d='M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61.0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E") no-repeat 4px center/20px 20px;
   border: 1px solid #d1d2d3;
   border-radius: 2px 0 0 2px;
   padding: 0.25em;
@@ -610,8 +612,9 @@ function viewer(baseUrl, nodes) {
 
   function handleKey(e) {
     if (e.keyCode != 13) return;
-    window.location.href =
-        updateUrl(new URL(window.location.href), 'f');
+    setHrefParams(window.location, function (params) {
+      params.set('f', search.value);
+    });
     e.preventDefault();
   }
 
@@ -650,11 +653,13 @@ function viewer(baseUrl, nodes) {
     })
 
     // add matching items that are not currently selected.
+    if (nodes) {
       for (let n = 0; n < nodes.length; n++) {
         if (!selected.has(n) && match(nodes[n])) {
           select(n, document.getElementById('node' + n));
         }
       }
+    }
 
     updateButtons();
   }
@@ -1089,6 +1094,7 @@ function viewer(baseUrl, nodes) {
       .transitionDuration(750)
       .transitionEase(d3.easeCubic)
       .inverted(true)
+      .sort(true)
       .title('')
       .tooltip(false)
       .details(document.getElementById('flamegraphdetails'));

src/cmd/vendor/github.com/google/pprof/internal/driver/webui.go

@@ -334,7 +334,7 @@ func dotToSvg(dot []byte) ([]byte, error) {
 		return nil, err
 	}
 
-	// Fix dot bug related to unquoted amperands.
+	// Fix dot bug related to unquoted ampersands.
 	svg := bytes.Replace(out.Bytes(), []byte("&;"), []byte("&;"), -1)
 
 	// Cleanup for embedding by dropping stuff before the <svg> start.

src/cmd/vendor/github.com/google/pprof/internal/graph/graph.go

@@ -28,9 +28,19 @@ import (
 )
 
 var (
+	// Removes package name and method arugments for Java method names.
+	// See tests for examples.
 	javaRegExp = regexp.MustCompile(`^(?:[a-z]\w*\.)*([A-Z][\w\$]*\.(?:<init>|[a-z][\w\$]*(?:\$\d+)?))(?:(?:\()|$)`)
+	// Removes package name and method arugments for Go function names.
+	// See tests for examples.
 	goRegExp = regexp.MustCompile(`^(?:[\w\-\.]+\/)+(.+)`)
-	cppRegExp  = regexp.MustCompile(`^(?:(?:\(anonymous namespace\)::)(\w+$))|(?:(?:\(anonymous namespace\)::)?(?:[_a-zA-Z]\w*\::|)*(_*[A-Z]\w*::~?[_a-zA-Z]\w*)$)`)
+	// Strips C++ namespace prefix from a C++ function / method name.
+	// NOTE: Make sure to keep the template parameters in the name. Normally,
+	// template parameters are stripped from the C++ names but when
+	// -symbolize=demangle=templates flag is used, they will not be.
+	// See tests for examples.
+	cppRegExp                = regexp.MustCompile(`^(?:[_a-zA-Z]\w*::)+(_*[A-Z]\w*::~?[_a-zA-Z]\w*(?:<.*>)?)`)
+	cppAnonymousPrefixRegExp = regexp.MustCompile(`^\(anonymous namespace\)::`)
 )
 
 // Graph summarizes a performance profile into a format that is
@@ -191,7 +201,7 @@ type NodeSet map[NodeInfo]bool
 // works as a unique identifier; however, in a tree multiple nodes may share
 // identical NodeInfos. A *Node does uniquely identify a node so we can use that
 // instead. Though a *Node also uniquely identifies a node in a graph,
-// currently, during trimming, graphs are rebult from scratch using only the
+// currently, during trimming, graphs are rebuilt from scratch using only the
 // NodeSet, so there would not be the required context of the initial graph to
 // allow for the use of *Node.
 type NodePtrSet map[*Node]bool
@@ -429,6 +439,7 @@ func newTree(prof *profile.Profile, o *Options) (g *Graph) {
 
 // ShortenFunctionName returns a shortened version of a function's name.
 func ShortenFunctionName(f string) string {
+	f = cppAnonymousPrefixRegExp.ReplaceAllString(f, "")
 	for _, re := range []*regexp.Regexp{goRegExp, javaRegExp, cppRegExp} {
 		if matches := re.FindStringSubmatch(f); len(matches) >= 2 {
 			return strings.Join(matches[1:], "")

src/cmd/vendor/github.com/google/pprof/internal/plugin/plugin.go

@@ -34,7 +34,7 @@ type Options struct {
 	UI      UI
 
 	// HTTPServer is a function that should block serving http requests,
-	// including the handlers specfied in args.  If non-nil, pprof will
+	// including the handlers specified in args.  If non-nil, pprof will
 	// invoke this function if necessary to provide a web interface.
 	//
 	// If HTTPServer is nil, pprof will use its own internal HTTP server.

src/cmd/vendor/modules.txt

-# github.com/google/pprof v0.0.0-20190515194954-54271f7e092f
+# github.com/google/pprof v0.0.0-20191105193234-27840fff0d09
 ## explicit
 github.com/google/pprof/driver
 github.com/google/pprof/internal/binutils