Cost of stating files while walking linux kernel tree 4.7.5

cgowalk.go

package main

import (
	"fmt"
	"log"
	"os"
	"path/filepath"
	"runtime/pprof"
)

// #include <dirent.h>
import "C"

type FileInfo struct {
	Name string
	Type uint8
}

func (f FileInfo) IsDirectory() bool {
	return f.Type&C.DT_DIR != 0
}

func (f FileInfo) IsSymbolicLink() bool {
	return f.Type&C.DT_LNK != 0
}

func (f FileInfo) IsRegularFile() bool {
	return f.Type&C.DT_REG != 0
}

type WalkFunc func(path string, info FileInfo)

func Walk(path string, walkFunc WalkFunc) error {
	f, err := os.Open(path)
	if err != nil {
		return err
	}
	dir := C.fdopendir(C.int(f.Fd()))
	for {
		dirent := C.readdir(dir)
		if dirent == nil {
			break
		}
		info := FileInfo{C.GoString((*C.char)(&dirent.d_name[0])), uint8(dirent.d_type)}
		if info.Name == "." || info.Name == ".." {
			continue
		}
		fullPath := path + "/" + info.Name
		walkFunc(fullPath, info)
		if info.IsDirectory() {
			Walk(fullPath, walkFunc)
		}
	}
	f.Close()
	return nil
}

func main() {
	if len(os.Args) != 2 {
		log.Fatal("need one arg")
	}
	f, err := os.Create(os.Args[1] + ".prof")
	if err != nil {
		log.Fatal(err)
	}
	pprof.StartCPUProfile(f)
	defer pprof.StopCPUProfile()
	if os.Args[1] == "cgo" {
		Walk(".", func(name string, info FileInfo) {
			fmt.Println(name)
		})
	} else if os.Args[1] == "pure" {
		filepath.Walk(".", func(name string, info os.FileInfo, err error) error {
			fmt.Println(name)
			return nil
		})
	}
}

profile-cgo.svg

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
 "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<!-- Generated by graphviz version 2.38.0 (20140413.2041)
 -->
<!-- Title: cgowalk Pages: 1 -->
<svg width="477" height="661" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<script type="text/ecmascript"><![CDATA[
/** 
 *  SVGPan library 1.2.1
 * ======================
 *
 * Given an unique existing element with id "viewport" (or when missing, the first g 
 * element), including the the library into any SVG adds the following capabilities:
 *
 *  - Mouse panning
 *  - Mouse zooming (using the wheel)
 *  - Object dragging
 *
 * You can configure the behaviour of the pan/zoom/drag with the variables
 * listed in the CONFIGURATION section of this file.
 *
 * Known issues:
 *
 *  - Zooming (while panning) on Safari has still some issues
 *
 * Releases:
 *
 * 1.2.1, Mon Jul  4 00:33:18 CEST 2011, Andrea Leofreddi
 *	- Fixed a regression with mouse wheel (now working on Firefox 5)
 *	- Working with viewBox attribute (#4)
 *	- Added "use strict;" and fixed resulting warnings (#5)
 *	- Added configuration variables, dragging is disabled by default (#3)
 *
 * 1.2, Sat Mar 20 08:42:50 GMT 2010, Zeng Xiaohui
 *	Fixed a bug with browser mouse handler interaction
 *
 * 1.1, Wed Feb  3 17:39:33 GMT 2010, Zeng Xiaohui
 *	Updated the zoom code to support the mouse wheel on Safari/Chrome
 *
 * 1.0, Andrea Leofreddi
 *	First release
 *
 * This code is licensed under the following BSD license:
 *
 * Copyright 2009-2010 Andrea Leofreddi <a.leofreddi@itcharm.com>. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 * 
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 * 
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY Andrea Leofreddi ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Andrea Leofreddi OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of Andrea Leofreddi.
 */

"use strict";

/// CONFIGURATION 
/// ====>

var enablePan = 1; // 1 or 0: enable or disable panning (default enabled)
var enableZoom = 1; // 1 or 0: enable or disable zooming (default enabled)
var enableDrag = 0; // 1 or 0: enable or disable dragging (default disabled)

/// <====
/// END OF CONFIGURATION 

var root = document.documentElement;

var state = 'none', svgRoot, stateTarget, stateOrigin, stateTf;

setupHandlers(root);

/**
 * Register handlers
 */
function setupHandlers(root){
	setAttributes(root, {
		"onmouseup" : "handleMouseUp(evt)",
		"onmousedown" : "handleMouseDown(evt)",
		"onmousemove" : "handleMouseMove(evt)",
		//"onmouseout" : "handleMouseUp(evt)", // Decomment this to stop the pan functionality when dragging out of the SVG element
	});

	if(navigator.userAgent.toLowerCase().indexOf('webkit') >= 0)
		window.addEventListener('mousewheel', handleMouseWheel, false); // Chrome/Safari
	else
		window.addEventListener('DOMMouseScroll', handleMouseWheel, false); // Others
}

/**
 * Retrieves the root element for SVG manipulation. The element is then cached into the svgRoot global variable.
 */
function getRoot(root) {
	if(typeof(svgRoot) == "undefined") {
		var g = null;

		g = root.getElementById("viewport");

		if(g == null)
			g = root.getElementsByTagName('g')[0];

		if(g == null)
			alert('Unable to obtain SVG root element');

		setCTM(g, g.getCTM());

		g.removeAttribute("viewBox");

		svgRoot = g;
	}

	return svgRoot;
}

/**
 * Instance an SVGPoint object with given event coordinates.
 */
function getEventPoint(evt) {
	var p = root.createSVGPoint();

	p.x = evt.clientX;
	p.y = evt.clientY;

	return p;
}

/**
 * Sets the current transform matrix of an element.
 */
function setCTM(element, matrix) {
	var s = "matrix(" + matrix.a + "," + matrix.b + "," + matrix.c + "," + matrix.d + "," + matrix.e + "," + matrix.f + ")";

	element.setAttribute("transform", s);
}

/**
 * Dumps a matrix to a string (useful for debug).
 */
function dumpMatrix(matrix) {
	var s = "[ " + matrix.a + ", " + matrix.c + ", " + matrix.e + "\n  " + matrix.b + ", " + matrix.d + ", " + matrix.f + "\n  0, 0, 1 ]";

	return s;
}

/**
 * Sets attributes of an element.
 */
function setAttributes(element, attributes){
	for (var i in attributes)
		element.setAttributeNS(null, i, attributes[i]);
}

/**
 * Handle mouse wheel event.
 */
function handleMouseWheel(evt) {
	if(!enableZoom)
		return;

	if(evt.preventDefault)
		evt.preventDefault();

	evt.returnValue = false;

	var svgDoc = evt.target.ownerDocument;

	var delta;

	if(evt.wheelDelta)
		delta = evt.wheelDelta / 3600; // Chrome/Safari
	else
		delta = evt.detail / -90; // Mozilla

	var z = 1 + delta; // Zoom factor: 0.9/1.1

	var g = getRoot(svgDoc);
	
	var p = getEventPoint(evt);

	p = p.matrixTransform(g.getCTM().inverse());

	// Compute new scale matrix in current mouse position
	var k = root.createSVGMatrix().translate(p.x, p.y).scale(z).translate(-p.x, -p.y);

        setCTM(g, g.getCTM().multiply(k));

	if(typeof(stateTf) == "undefined")
		stateTf = g.getCTM().inverse();

	stateTf = stateTf.multiply(k.inverse());
}

/**
 * Handle mouse move event.
 */
function handleMouseMove(evt) {
	if(evt.preventDefault)
		evt.preventDefault();

	evt.returnValue = false;

	var svgDoc = evt.target.ownerDocument;

	var g = getRoot(svgDoc);

	if(state == 'pan' && enablePan) {
		// Pan mode
		var p = getEventPoint(evt).matrixTransform(stateTf);

		setCTM(g, stateTf.inverse().translate(p.x - stateOrigin.x, p.y - stateOrigin.y));
	} else if(state == 'drag' && enableDrag) {
		// Drag mode
		var p = getEventPoint(evt).matrixTransform(g.getCTM().inverse());

		setCTM(stateTarget, root.createSVGMatrix().translate(p.x - stateOrigin.x, p.y - stateOrigin.y).multiply(g.getCTM().inverse()).multiply(stateTarget.getCTM()));

		stateOrigin = p;
	}
}

/**
 * Handle click event.
 */
function handleMouseDown(evt) {
	if(evt.preventDefault)
		evt.preventDefault();

	evt.returnValue = false;

	var svgDoc = evt.target.ownerDocument;

	var g = getRoot(svgDoc);

	if(
		evt.target.tagName == "svg" 
		|| !enableDrag // Pan anyway when drag is disabled and the user clicked on an element 
	) {
		// Pan mode
		state = 'pan';

		stateTf = g.getCTM().inverse();

		stateOrigin = getEventPoint(evt).matrixTransform(stateTf);
	} else {
		// Drag mode
		state = 'drag';

		stateTarget = evt.target;

		stateTf = g.getCTM().inverse();

		stateOrigin = getEventPoint(evt).matrixTransform(stateTf);
	}
}

/**
 * Handle mouse button release event.
 */
function handleMouseUp(evt) {
	if(evt.preventDefault)
		evt.preventDefault();

	evt.returnValue = false;

	var svgDoc = evt.target.ownerDocument;

	if(state == 'pan' || state == 'drag') {
		// Quit pan mode
		state = '';
	}
}

]]></script><g id="viewport" transform="scale(0.5,0.5) translate(0,0)"><g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 1318)">
<title>cgowalk</title>
<polygon fill="white" stroke="none" points="-4,4 -4,-1318 951,-1318 951,4 -4,4"/>
<g id="clust1" class="cluster"><title>cluster_L</title>
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<text text-anchor="start" x="24" y="-1268.4" font-family="Times,serif" font-size="32.00">File: cgowalk</text>
<text text-anchor="start" x="24" y="-1233.4" font-family="Times,serif" font-size="32.00">Type: cpu</text>
<text text-anchor="start" x="24" y="-1198.4" font-family="Times,serif" font-size="32.00">290ms of 290ms total ( &#160;100%)</text>
</g>
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<g id="a_node2"><a xlink:title="runtime.cgocall (110ms)">
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<text text-anchor="middle" x="331" y="-717.8" font-family="Times,serif" font-size="24.00">90ms(31.03%)</text>
<text text-anchor="middle" x="331" y="-691.8" font-family="Times,serif" font-size="24.00">of 110ms(37.93%)</text>
</a>
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<text text-anchor="middle" x="331" y="-599.8" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
<text text-anchor="middle" x="331" y="-584.8" font-family="Times,serif" font-size="14.00">of 20ms(6.90%)</text>
</a>
</g>
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<g id="a_edge17&#45;label"><a xlink:title="runtime.cgocall &#45;&gt; runtime.deferreturn (20ms)">
<text text-anchor="middle" x="348" y="-651.8" font-family="Times,serif" font-size="14.00"> 20ms</text>
</a>
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<text text-anchor="middle" x="489" y="-149.6" font-family="Times,serif" font-size="23.00">syscall.Syscall</text>
<text text-anchor="middle" x="489" y="-124.6" font-family="Times,serif" font-size="23.00">70ms(24.14%)</text>
<text text-anchor="middle" x="489" y="-99.6" font-family="Times,serif" font-size="23.00">of 80ms(27.59%)</text>
</a>
</g>
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<g id="node11" class="node"><title>N10</title>
<g id="a_node11"><a xlink:title="runtime.exitsyscall (10ms)">
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<text text-anchor="middle" x="489" y="-7.8" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
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<!-- N2&#45;&gt;N10 -->
<g id="edge34" class="edge"><title>N2&#45;&gt;N10</title>
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<g id="a_edge34&#45;label"><a xlink:title="syscall.Syscall &#45;&gt; runtime.exitsyscall (10ms)">
<text text-anchor="middle" x="506" y="-59.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
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<text text-anchor="middle" x="278" y="-495.8" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
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<text text-anchor="middle" x="489" y="-599.8" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
<text text-anchor="middle" x="489" y="-584.8" font-family="Times,serif" font-size="14.00">of 120ms(41.38%)</text>
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<!-- N4&#45;&gt;N3 -->
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<text text-anchor="middle" x="407" y="-547.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
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<text text-anchor="middle" x="462" y="-547.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
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<text text-anchor="middle" x="489" y="-500.6" font-family="Times,serif" font-size="8.00">0 of 90ms(31.03%)</text>
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<text text-anchor="middle" x="506" y="-547.8" font-family="Times,serif" font-size="14.00"> 90ms</text>
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<text text-anchor="middle" x="489" y="-927.8" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
<text text-anchor="middle" x="489" y="-912.8" font-family="Times,serif" font-size="14.00">of 280ms(96.55%)</text>
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<g id="a_edge12&#45;label"><a xlink:title="main.Walk &#45;&gt; main._Cfunc_readdir (70ms)">
<text text-anchor="middle" x="459" y="-875.8" font-family="Times,serif" font-size="14.00"> 70ms</text>
</a>
</g>
</g>
<!-- N21 -->
<g id="node22" class="node"><title>N21</title>
<g id="a_node22"><a xlink:title="main.main.func1 (120ms)">
<polygon fill="#f8f8f8" stroke="black" points="530,-854 448,-854 448,-818 530,-818 530,-854"/>
<text text-anchor="middle" x="489" y="-838.6" font-family="Times,serif" font-size="8.00">main.main.func1</text>
<text text-anchor="middle" x="489" y="-829.6" font-family="Times,serif" font-size="8.00">0 of 120ms(41.38%)</text>
</a>
</g>
</g>
<!-- N5&#45;&gt;N21 -->
<g id="edge5" class="edge"><title>N5&#45;&gt;N21</title>
<g id="a_edge5"><a xlink:title="main.Walk &#45;&gt; main.main.func1 (120ms)">
<path fill="none" stroke="black" stroke-width="3" d="M489,-904.951C489,-892.363 489,-877.173 489,-864.35"/>
<polygon fill="black" stroke="black" stroke-width="3" points="492.5,-864.245 489,-854.245 485.5,-864.245 492.5,-864.245"/>
</a>
</g>
<g id="a_edge5&#45;label"><a xlink:title="main.Walk &#45;&gt; main.main.func1 (120ms)">
<text text-anchor="middle" x="509.5" y="-875.8" font-family="Times,serif" font-size="14.00"> 120ms</text>
</a>
</g>
</g>
<!-- N24 -->
<g id="node25" class="node"><title>N24</title>
<g id="a_node25"><a xlink:title="os.Open (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="622,-854 548,-854 548,-818 622,-818 622,-854"/>
<text text-anchor="middle" x="585" y="-838.6" font-family="Times,serif" font-size="8.00">os.Open</text>
<text text-anchor="middle" x="585" y="-829.6" font-family="Times,serif" font-size="8.00">0 of 10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N5&#45;&gt;N24 -->
<g id="edge22" class="edge"><title>N5&#45;&gt;N24</title>
<g id="a_edge22"><a xlink:title="main.Walk &#45;&gt; os.Open (10ms)">
<path fill="none" stroke="black" d="M515.68,-904.769C521.713,-898.935 528.083,-892.76 534,-887 542.571,-878.656 551.924,-869.501 560.253,-861.33"/>
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</a>
</g>
<g id="a_edge22&#45;label"><a xlink:title="main.Walk &#45;&gt; os.Open (10ms)">
<text text-anchor="middle" x="566" y="-875.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N28 -->
<g id="node29" class="node"><title>N28</title>
<g id="a_node29"><a xlink:title="runtime.cgoCheckPointer (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="738,-854 640,-854 640,-818 738,-818 738,-854"/>
<text text-anchor="middle" x="689" y="-838.6" font-family="Times,serif" font-size="8.00">runtime.cgoCheckPointer</text>
<text text-anchor="middle" x="689" y="-829.6" font-family="Times,serif" font-size="8.00">0 of 10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N5&#45;&gt;N28 -->
<g id="edge23" class="edge"><title>N5&#45;&gt;N28</title>
<g id="a_edge23"><a xlink:title="main.Walk &#45;&gt; runtime.cgoCheckPointer (10ms)">
<path fill="none" stroke="black" d="M547.463,-904.985C560.518,-899.167 574.265,-892.945 587,-887 606.326,-877.978 627.527,-867.655 645.57,-858.741"/>
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</a>
</g>
<g id="a_edge23&#45;label"><a xlink:title="main.Walk &#45;&gt; runtime.cgoCheckPointer (10ms)">
<text text-anchor="middle" x="636" y="-875.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N29 -->
<g id="node30" class="node"><title>N29</title>
<g id="a_node30"><a xlink:title="runtime.concatstring3 (20ms)">
<polygon fill="#f8f8f8" stroke="black" points="851,-854 765,-854 765,-818 851,-818 851,-854"/>
<text text-anchor="middle" x="808" y="-838.6" font-family="Times,serif" font-size="8.00">runtime.concatstring3</text>
<text text-anchor="middle" x="808" y="-829.6" font-family="Times,serif" font-size="8.00">0 of 20ms(6.90%)</text>
</a>
</g>
</g>
<!-- N5&#45;&gt;N29 -->
<g id="edge16" class="edge"><title>N5&#45;&gt;N29</title>
<g id="a_edge16"><a xlink:title="main.Walk &#45;&gt; runtime.concatstring3 (20ms)">
<path fill="none" stroke="black" d="M549.136,-915.958C581.282,-907.926 621.453,-897.475 657,-887 689.961,-877.287 726.555,-865.203 755.463,-855.348"/>
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</a>
</g>
<g id="a_edge16&#45;label"><a xlink:title="main.Walk &#45;&gt; runtime.concatstring3 (20ms)">
<text text-anchor="middle" x="720" y="-875.8" font-family="Times,serif" font-size="14.00"> 20ms</text>
</a>
</g>
</g>
<!-- N6 -->
<g id="node7" class="node"><title>N6</title>
<g id="a_node7"><a xlink:title="runtime.assertI2T2 (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="432,-348 312,-348 312,-310 432,-310 432,-348"/>
<text text-anchor="middle" x="372" y="-332.8" font-family="Times,serif" font-size="14.00">runtime.assertI2T2</text>
<text text-anchor="middle" x="372" y="-317.8" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N7 -->
<g id="node8" class="node"><title>N7</title>
<g id="a_node8"><a xlink:title="runtime.cgoIsGoPointer (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="807,-622.5 659,-622.5 659,-584.5 807,-584.5 807,-622.5"/>
<text text-anchor="middle" x="733" y="-607.3" font-family="Times,serif" font-size="14.00">runtime.cgoIsGoPointer</text>
<text text-anchor="middle" x="733" y="-592.3" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N8 -->
<g id="node9" class="node"><title>N8</title>
<g id="a_node9"><a xlink:title="runtime.concatstrings (20ms)">
<polygon fill="#f8f8f8" stroke="black" points="885,-750.5 751,-750.5 751,-697.5 885,-697.5 885,-750.5"/>
<text text-anchor="middle" x="818" y="-735.3" font-family="Times,serif" font-size="14.00">runtime.concatstrings</text>
<text text-anchor="middle" x="818" y="-720.3" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
<text text-anchor="middle" x="818" y="-705.3" font-family="Times,serif" font-size="14.00">of 20ms(6.90%)</text>
</a>
</g>
</g>
<!-- N12 -->
<g id="node13" class="node"><title>N12</title>
<g id="a_node13"><a xlink:title="runtime.memmove (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="947,-622.5 825,-622.5 825,-584.5 947,-584.5 947,-622.5"/>
<text text-anchor="middle" x="886" y="-607.3" font-family="Times,serif" font-size="14.00">runtime.memmove</text>
<text text-anchor="middle" x="886" y="-592.3" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N8&#45;&gt;N12 -->
<g id="edge30" class="edge"><title>N8&#45;&gt;N12</title>
<g id="a_edge30"><a xlink:title="runtime.concatstrings &#45;&gt; runtime.memmove (10ms)">
<path fill="none" stroke="black" d="M832.755,-697.287C843.883,-677.895 859.112,-651.357 870.433,-631.628"/>
<polygon fill="black" stroke="black" points="873.544,-633.238 875.486,-622.823 867.473,-629.754 873.544,-633.238"/>
</a>
</g>
<g id="a_edge30&#45;label"><a xlink:title="runtime.concatstrings &#45;&gt; runtime.memmove (10ms)">
<text text-anchor="middle" x="878" y="-651.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N11 -->
<g id="node12" class="node"><title>N11</title>
<g id="a_node12"><a xlink:title="runtime.getcallersp (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="198,-526 76,-526 76,-488 198,-488 198,-526"/>
<text text-anchor="middle" x="137" y="-510.8" font-family="Times,serif" font-size="14.00">runtime.getcallersp</text>
<text text-anchor="middle" x="137" y="-495.8" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N9&#45;&gt;N11 -->
<g id="edge31" class="edge"><title>N9&#45;&gt;N11</title>
<g id="a_edge31"><a xlink:title="runtime.deferreturn &#45;&gt; runtime.getcallersp (10ms)">
<path fill="none" stroke="black" d="M269.419,-579.926C253.736,-573.634 237.062,-566.463 222,-559 205.655,-550.9 188.272,-540.764 173.514,-531.667"/>
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</a>
</g>
<g id="a_edge31&#45;label"><a xlink:title="runtime.deferreturn &#45;&gt; runtime.getcallersp (10ms)">
<text text-anchor="middle" x="239" y="-547.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N13 -->
<g id="node14" class="node"><title>N13</title>
<g id="a_node14"><a xlink:title="runtime.systemstack (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="677.5,-1134 548.5,-1134 548.5,-1096 677.5,-1096 677.5,-1134"/>
<text text-anchor="middle" x="613" y="-1118.8" font-family="Times,serif" font-size="14.00">runtime.systemstack</text>
<text text-anchor="middle" x="613" y="-1103.8" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N14 -->
<g id="node15" class="node"><title>N14</title>
<g id="a_node15"><a xlink:title="sync.(*Pool).pin (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="293.5,-348 186.5,-348 186.5,-310 293.5,-310 293.5,-348"/>
<text text-anchor="middle" x="240" y="-332.8" font-family="Times,serif" font-size="14.00">sync.(*Pool).pin</text>
<text text-anchor="middle" x="240" y="-317.8" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N15 -->
<g id="node16" class="node"><title>N15</title>
<g id="a_node16"><a xlink:title="syscall.Syscall6 (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="655.5,-437 552.5,-437 552.5,-399 655.5,-399 655.5,-437"/>
<text text-anchor="middle" x="604" y="-421.8" font-family="Times,serif" font-size="14.00">syscall.Syscall6</text>
<text text-anchor="middle" x="604" y="-406.8" font-family="Times,serif" font-size="14.00">10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N16 -->
<g id="node17" class="node"><title>N16</title>
<g id="a_node17"><a xlink:title="fmt.Println (120ms)">
<polygon fill="#f8f8f8" stroke="black" points="530,-742 448,-742 448,-706 530,-706 530,-742"/>
<text text-anchor="middle" x="489" y="-726.6" font-family="Times,serif" font-size="8.00">fmt.Println</text>
<text text-anchor="middle" x="489" y="-717.6" font-family="Times,serif" font-size="8.00">0 of 120ms(41.38%)</text>
</a>
</g>
</g>
<!-- N16&#45;&gt;N4 -->
<g id="edge4" class="edge"><title>N16&#45;&gt;N4</title>
<g id="a_edge4"><a xlink:title="fmt.Println &#45;&gt; fmt.Fprintln (120ms)">
<path fill="none" stroke="black" stroke-width="3" d="M489,-705.769C489,-688.668 489,-661.946 489,-640.245"/>
<polygon fill="black" stroke="black" stroke-width="3" points="492.5,-640.059 489,-630.059 485.5,-640.059 492.5,-640.059"/>
</a>
</g>
<g id="a_edge4&#45;label"><a xlink:title="fmt.Println &#45;&gt; fmt.Fprintln (120ms)">
<text text-anchor="middle" x="509.5" y="-651.8" font-family="Times,serif" font-size="14.00"> 120ms</text>
</a>
</g>
</g>
<!-- N32 -->
<g id="node33" class="node"><title>N32</title>
<g id="a_node33"><a xlink:title="sync.(*Pool).Get (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="316,-436 242,-436 242,-400 316,-400 316,-436"/>
<text text-anchor="middle" x="279" y="-420.6" font-family="Times,serif" font-size="8.00">sync.(*Pool).Get</text>
<text text-anchor="middle" x="279" y="-411.6" font-family="Times,serif" font-size="8.00">0 of 10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N17&#45;&gt;N32 -->
<g id="edge21" class="edge"><title>N17&#45;&gt;N32</title>
<g id="a_edge21"><a xlink:title="fmt.newPrinter &#45;&gt; sync.(*Pool).Get (10ms)">
<path fill="none" stroke="black" d="M372.082,-488.812C354.288,-475.466 329.437,-456.827 309.888,-442.166"/>
<polygon fill="black" stroke="black" points="311.97,-439.353 301.87,-436.153 307.77,-444.953 311.97,-439.353"/>
</a>
</g>
<g id="a_edge21&#45;label"><a xlink:title="fmt.newPrinter &#45;&gt; sync.(*Pool).Get (10ms)">
<text text-anchor="middle" x="361" y="-458.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N18&#45;&gt;N1 -->
<g id="edge15" class="edge"><title>N18&#45;&gt;N1</title>
<g id="a_edge15"><a xlink:title="main._Cfunc_fdopendir &#45;&gt; runtime.cgocall (40ms)">
<path fill="none" stroke="black" d="M287.969,-817.812C293.166,-806.604 300.245,-791.334 307.161,-776.417"/>
<polygon fill="black" stroke="black" points="310.397,-777.759 311.428,-767.214 304.046,-774.814 310.397,-777.759"/>
</a>
</g>
<g id="a_edge15&#45;label"><a xlink:title="main._Cfunc_fdopendir &#45;&gt; runtime.cgocall (40ms)">
<text text-anchor="middle" x="320" y="-788.8" font-family="Times,serif" font-size="14.00"> 40ms</text>
</a>
</g>
</g>
<!-- N19&#45;&gt;N1 -->
<g id="edge13" class="edge"><title>N19&#45;&gt;N1</title>
<g id="a_edge13"><a xlink:title="main._Cfunc_readdir &#45;&gt; runtime.cgocall (70ms)">
<path fill="none" stroke="black" stroke-width="2" d="M378.25,-817.812C372.544,-806.604 364.77,-791.334 357.176,-776.417"/>
<polygon fill="black" stroke="black" stroke-width="2" points="360.147,-774.538 352.491,-767.214 353.909,-777.714 360.147,-774.538"/>
</a>
</g>
<g id="a_edge13&#45;label"><a xlink:title="main._Cfunc_readdir &#45;&gt; runtime.cgocall (70ms)">
<text text-anchor="middle" x="386" y="-788.8" font-family="Times,serif" font-size="14.00"> 70ms</text>
</a>
</g>
</g>
<!-- N20 -->
<g id="node21" class="node"><title>N20</title>
<g id="a_node21"><a xlink:title="main.main (280ms)">
<polygon fill="#f8f8f8" stroke="black" points="530,-1045 448,-1045 448,-1009 530,-1009 530,-1045"/>
<text text-anchor="middle" x="489" y="-1029.6" font-family="Times,serif" font-size="8.00">main.main</text>
<text text-anchor="middle" x="489" y="-1020.6" font-family="Times,serif" font-size="8.00">0 of 280ms(96.55%)</text>
</a>
</g>
</g>
<!-- N20&#45;&gt;N5 -->
<g id="edge1" class="edge"><title>N20&#45;&gt;N5</title>
<g id="a_edge1"><a xlink:title="main.main &#45;&gt; main.Walk (280ms)">
<path fill="none" stroke="black" stroke-width="5" d="M489,-1008.85C489,-997.508 489,-982.215 489,-968.295"/>
<polygon fill="black" stroke="black" stroke-width="5" points="493.375,-968.007 489,-958.007 484.625,-968.007 493.375,-968.007"/>
</a>
</g>
<g id="a_edge1&#45;label"><a xlink:title="main.main &#45;&gt; main.Walk (280ms)">
<text text-anchor="middle" x="509.5" y="-979.8" font-family="Times,serif" font-size="14.00"> 280ms</text>
</a>
</g>
</g>
<!-- N21&#45;&gt;N16 -->
<g id="edge6" class="edge"><title>N21&#45;&gt;N16</title>
<g id="a_edge6"><a xlink:title="main.main.func1 &#45;&gt; fmt.Println (120ms)">
<path fill="none" stroke="black" stroke-width="3" d="M489,-817.812C489,-800.215 489,-772.607 489,-752.071"/>
<polygon fill="black" stroke="black" stroke-width="3" points="492.5,-752.067 489,-742.067 485.5,-752.067 492.5,-752.067"/>
</a>
</g>
<g id="a_edge6&#45;label"><a xlink:title="main.main.func1 &#45;&gt; fmt.Println (120ms)">
<text text-anchor="middle" x="509.5" y="-788.8" font-family="Times,serif" font-size="14.00"> 120ms</text>
</a>
</g>
</g>
<!-- N23 -->
<g id="node24" class="node"><title>N23</title>
<g id="a_node24"><a xlink:title="os.(*File).write (90ms)">
<polygon fill="#f8f8f8" stroke="black" points="528,-436 450,-436 450,-400 528,-400 528,-436"/>
<text text-anchor="middle" x="489" y="-420.6" font-family="Times,serif" font-size="8.00">os.(*File).write</text>
<text text-anchor="middle" x="489" y="-411.6" font-family="Times,serif" font-size="8.00">0 of 90ms(31.03%)</text>
</a>
</g>
</g>
<!-- N22&#45;&gt;N23 -->
<g id="edge8" class="edge"><title>N22&#45;&gt;N23</title>
<g id="a_edge8"><a xlink:title="os.(*File).Write &#45;&gt; os.(*File).write (90ms)">
<path fill="none" stroke="black" stroke-width="2" d="M489,-488.812C489,-476.657 489,-460.114 489,-446.182"/>
<polygon fill="black" stroke="black" stroke-width="2" points="492.5,-446.153 489,-436.153 485.5,-446.153 492.5,-446.153"/>
</a>
</g>
<g id="a_edge8&#45;label"><a xlink:title="os.(*File).Write &#45;&gt; os.(*File).write (90ms)">
<text text-anchor="middle" x="506" y="-458.8" font-family="Times,serif" font-size="14.00"> 90ms</text>
</a>
</g>
</g>
<!-- N23&#45;&gt;N6 -->
<g id="edge24" class="edge"><title>N23&#45;&gt;N6</title>
<g id="a_edge24"><a xlink:title="os.(*File).write &#45;&gt; runtime.assertI2T2 (10ms)">
<path fill="none" stroke="black" d="M465.885,-399.812C448.286,-386.726 423.845,-368.552 404.312,-354.027"/>
<polygon fill="black" stroke="black" points="406.389,-351.21 396.276,-348.051 402.212,-356.827 406.389,-351.21"/>
</a>
</g>
<g id="a_edge24&#45;label"><a xlink:title="os.(*File).write &#45;&gt; runtime.assertI2T2 (10ms)">
<text text-anchor="middle" x="455" y="-369.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N34 -->
<g id="node35" class="node"><title>N34</title>
<g id="a_node35"><a xlink:title="syscall.Write (80ms)">
<polygon fill="#f8f8f8" stroke="black" points="528,-347 450,-347 450,-311 528,-311 528,-347"/>
<text text-anchor="middle" x="489" y="-331.6" font-family="Times,serif" font-size="8.00">syscall.Write</text>
<text text-anchor="middle" x="489" y="-322.6" font-family="Times,serif" font-size="8.00">0 of 80ms(27.59%)</text>
</a>
</g>
</g>
<!-- N23&#45;&gt;N34 -->
<g id="edge9" class="edge"><title>N23&#45;&gt;N34</title>
<g id="a_edge9"><a xlink:title="os.(*File).write &#45;&gt; syscall.Write (80ms)">
<path fill="none" stroke="black" stroke-width="2" d="M489,-399.812C489,-387.657 489,-371.114 489,-357.182"/>
<polygon fill="black" stroke="black" stroke-width="2" points="492.5,-357.153 489,-347.153 485.5,-357.153 492.5,-357.153"/>
</a>
</g>
<g id="a_edge9&#45;label"><a xlink:title="os.(*File).write &#45;&gt; syscall.Write (80ms)">
<text text-anchor="middle" x="506" y="-369.8" font-family="Times,serif" font-size="14.00"> 80ms</text>
</a>
</g>
</g>
<!-- N25 -->
<g id="node26" class="node"><title>N25</title>
<g id="a_node26"><a xlink:title="os.OpenFile (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="626,-742 552,-742 552,-706 626,-706 626,-742"/>
<text text-anchor="middle" x="589" y="-726.6" font-family="Times,serif" font-size="8.00">os.OpenFile</text>
<text text-anchor="middle" x="589" y="-717.6" font-family="Times,serif" font-size="8.00">0 of 10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N24&#45;&gt;N25 -->
<g id="edge25" class="edge"><title>N24&#45;&gt;N25</title>
<g id="a_edge25"><a xlink:title="os.Open &#45;&gt; os.OpenFile (10ms)">
<path fill="none" stroke="black" d="M585.625,-817.812C586.265,-800.215 587.269,-772.607 588.016,-752.071"/>
<polygon fill="black" stroke="black" points="591.514,-752.187 588.379,-742.067 584.518,-751.933 591.514,-752.187"/>
</a>
</g>
<g id="a_edge25&#45;label"><a xlink:title="os.Open &#45;&gt; os.OpenFile (10ms)">
<text text-anchor="middle" x="604" y="-788.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N33 -->
<g id="node34" class="node"><title>N33</title>
<g id="a_node34"><a xlink:title="syscall.Open (10ms)">
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<text text-anchor="middle" x="604" y="-606.1" font-family="Times,serif" font-size="8.00">syscall.Open</text>
<text text-anchor="middle" x="604" y="-597.1" font-family="Times,serif" font-size="8.00">0 of 10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N25&#45;&gt;N33 -->
<g id="edge26" class="edge"><title>N25&#45;&gt;N33</title>
<g id="a_edge26"><a xlink:title="os.OpenFile &#45;&gt; syscall.Open (10ms)">
<path fill="none" stroke="black" d="M591.181,-705.769C593.636,-686.374 597.658,-654.603 600.542,-631.817"/>
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</g>
<g id="a_edge26&#45;label"><a xlink:title="os.OpenFile &#45;&gt; syscall.Open (10ms)">
<text text-anchor="middle" x="616" y="-651.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N26 -->
<g id="node27" class="node"><title>N26</title>
<g id="a_node27"><a xlink:title="runtime._System (10ms)">
<polygon fill="#f8f8f8" stroke="black" points="650,-1259.5 576,-1259.5 576,-1223.5 650,-1223.5 650,-1259.5"/>
<text text-anchor="middle" x="613" y="-1244.1" font-family="Times,serif" font-size="8.00">runtime._System</text>
<text text-anchor="middle" x="613" y="-1235.1" font-family="Times,serif" font-size="8.00">0 of 10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N26&#45;&gt;N13 -->
<g id="edge27" class="edge"><title>N26&#45;&gt;N13</title>
<g id="a_edge27"><a xlink:title="runtime._System &#45;&gt; runtime.systemstack (10ms)">
<path fill="none" stroke="black" d="M613,-1223.45C613,-1203.03 613,-1168.53 613,-1144.14"/>
<polygon fill="black" stroke="black" points="616.5,-1144.05 613,-1134.05 609.5,-1144.05 616.5,-1144.05"/>
</a>
</g>
<g id="a_edge27&#45;label"><a xlink:title="runtime._System &#45;&gt; runtime.systemstack (10ms)">
<text text-anchor="middle" x="630" y="-1155.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N27 -->
<g id="node28" class="node"><title>N27</title>
<g id="a_node28"><a xlink:title="runtime.cgoCheckArg (10ms)">
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<text text-anchor="middle" x="689" y="-726.6" font-family="Times,serif" font-size="8.00">runtime.cgoCheckArg</text>
<text text-anchor="middle" x="689" y="-717.6" font-family="Times,serif" font-size="8.00">0 of 10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N27&#45;&gt;N7 -->
<g id="edge28" class="edge"><title>N27&#45;&gt;N7</title>
<g id="a_edge28"><a xlink:title="runtime.cgoCheckArg &#45;&gt; runtime.cgoIsGoPointer (10ms)">
<path fill="none" stroke="black" d="M695.398,-705.769C702.582,-686.422 714.338,-654.76 722.794,-631.986"/>
<polygon fill="black" stroke="black" points="726.106,-633.122 726.306,-622.529 719.544,-630.685 726.106,-633.122"/>
</a>
</g>
<g id="a_edge28&#45;label"><a xlink:title="runtime.cgoCheckArg &#45;&gt; runtime.cgoIsGoPointer (10ms)">
<text text-anchor="middle" x="734" y="-651.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N28&#45;&gt;N27 -->
<g id="edge29" class="edge"><title>N28&#45;&gt;N27</title>
<g id="a_edge29"><a xlink:title="runtime.cgoCheckPointer &#45;&gt; runtime.cgoCheckArg (10ms)">
<path fill="none" stroke="black" d="M689,-817.812C689,-800.215 689,-772.607 689,-752.071"/>
<polygon fill="black" stroke="black" points="692.5,-752.067 689,-742.067 685.5,-752.067 692.5,-752.067"/>
</a>
</g>
<g id="a_edge29&#45;label"><a xlink:title="runtime.cgoCheckPointer &#45;&gt; runtime.cgoCheckArg (10ms)">
<text text-anchor="middle" x="706" y="-788.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N29&#45;&gt;N8 -->
<g id="edge18" class="edge"><title>N29&#45;&gt;N8</title>
<g id="a_edge18"><a xlink:title="runtime.concatstring3 &#45;&gt; runtime.concatstrings (20ms)">
<path fill="none" stroke="black" d="M809.562,-817.812C810.944,-802.619 813.003,-779.965 814.742,-760.842"/>
<polygon fill="black" stroke="black" points="818.248,-760.927 815.668,-750.651 811.277,-760.293 818.248,-760.927"/>
</a>
</g>
<g id="a_edge18&#45;label"><a xlink:title="runtime.concatstring3 &#45;&gt; runtime.concatstrings (20ms)">
<text text-anchor="middle" x="830" y="-788.8" font-family="Times,serif" font-size="14.00"> 20ms</text>
</a>
</g>
</g>
<!-- N30 -->
<g id="node31" class="node"><title>N30</title>
<g id="a_node31"><a xlink:title="runtime.goexit (280ms)">
<polygon fill="#f8f8f8" stroke="black" points="530,-1259.5 448,-1259.5 448,-1223.5 530,-1223.5 530,-1259.5"/>
<text text-anchor="middle" x="489" y="-1244.1" font-family="Times,serif" font-size="8.00">runtime.goexit</text>
<text text-anchor="middle" x="489" y="-1235.1" font-family="Times,serif" font-size="8.00">0 of 280ms(96.55%)</text>
</a>
</g>
</g>
<!-- N31 -->
<g id="node32" class="node"><title>N31</title>
<g id="a_node32"><a xlink:title="runtime.main (280ms)">
<polygon fill="#f8f8f8" stroke="black" points="530,-1133 448,-1133 448,-1097 530,-1097 530,-1133"/>
<text text-anchor="middle" x="489" y="-1117.6" font-family="Times,serif" font-size="8.00">runtime.main</text>
<text text-anchor="middle" x="489" y="-1108.6" font-family="Times,serif" font-size="8.00">0 of 280ms(96.55%)</text>
</a>
</g>
</g>
<!-- N30&#45;&gt;N31 -->
<g id="edge2" class="edge"><title>N30&#45;&gt;N31</title>
<g id="a_edge2"><a xlink:title="runtime.goexit &#45;&gt; runtime.main (280ms)">
<path fill="none" stroke="black" stroke-width="5" d="M489,-1223.45C489,-1202.8 489,-1167.74 489,-1143.31"/>
<polygon fill="black" stroke="black" stroke-width="5" points="493.375,-1143.24 489,-1133.24 484.625,-1143.24 493.375,-1143.24"/>
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</g>
<g id="a_edge2&#45;label"><a xlink:title="runtime.goexit &#45;&gt; runtime.main (280ms)">
<text text-anchor="middle" x="509.5" y="-1155.8" font-family="Times,serif" font-size="14.00"> 280ms</text>
</a>
</g>
</g>
<!-- N31&#45;&gt;N20 -->
<g id="edge3" class="edge"><title>N31&#45;&gt;N20</title>
<g id="a_edge3"><a xlink:title="runtime.main &#45;&gt; main.main (280ms)">
<path fill="none" stroke="black" stroke-width="5" d="M489,-1096.6C489,-1084.75 489,-1068.82 489,-1055.29"/>
<polygon fill="black" stroke="black" stroke-width="5" points="493.375,-1055.08 489,-1045.08 484.625,-1055.08 493.375,-1055.08"/>
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</g>
<g id="a_edge3&#45;label"><a xlink:title="runtime.main &#45;&gt; main.main (280ms)">
<text text-anchor="middle" x="509.5" y="-1066.8" font-family="Times,serif" font-size="14.00"> 280ms</text>
</a>
</g>
</g>
<!-- N32&#45;&gt;N14 -->
<g id="edge32" class="edge"><title>N32&#45;&gt;N14</title>
<g id="a_edge32"><a xlink:title="sync.(*Pool).Get &#45;&gt; sync.(*Pool).pin (10ms)">
<path fill="none" stroke="black" d="M271.295,-399.812C265.848,-387.661 258.434,-371.122 252.19,-357.192"/>
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</g>
<g id="a_edge32&#45;label"><a xlink:title="sync.(*Pool).Get &#45;&gt; sync.(*Pool).pin (10ms)">
<text text-anchor="middle" x="279" y="-369.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N35 -->
<g id="node36" class="node"><title>N35</title>
<g id="a_node36"><a xlink:title="syscall.openat (10ms)">
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<text text-anchor="middle" x="604" y="-509.6" font-family="Times,serif" font-size="8.00">syscall.openat</text>
<text text-anchor="middle" x="604" y="-500.6" font-family="Times,serif" font-size="8.00">0 of 10ms(3.45%)</text>
</a>
</g>
</g>
<!-- N33&#45;&gt;N35 -->
<g id="edge33" class="edge"><title>N33&#45;&gt;N35</title>
<g id="a_edge33"><a xlink:title="syscall.Open &#45;&gt; syscall.openat (10ms)">
<path fill="none" stroke="black" d="M604,-585.167C604,-571.313 604,-551.631 604,-535.611"/>
<polygon fill="black" stroke="black" points="607.5,-535.223 604,-525.223 600.5,-535.223 607.5,-535.223"/>
</a>
</g>
<g id="a_edge33&#45;label"><a xlink:title="syscall.Open &#45;&gt; syscall.openat (10ms)">
<text text-anchor="middle" x="621" y="-547.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N36 -->
<g id="node37" class="node"><title>N36</title>
<g id="a_node37"><a xlink:title="syscall.write (80ms)">
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<text text-anchor="middle" x="489" y="-243.6" font-family="Times,serif" font-size="8.00">syscall.write</text>
<text text-anchor="middle" x="489" y="-234.6" font-family="Times,serif" font-size="8.00">0 of 80ms(27.59%)</text>
</a>
</g>
</g>
<!-- N34&#45;&gt;N36 -->
<g id="edge10" class="edge"><title>N34&#45;&gt;N36</title>
<g id="a_edge10"><a xlink:title="syscall.Write &#45;&gt; syscall.write (80ms)">
<path fill="none" stroke="black" stroke-width="2" d="M489,-310.597C489,-298.746 489,-282.817 489,-269.292"/>
<polygon fill="black" stroke="black" stroke-width="2" points="492.5,-269.084 489,-259.084 485.5,-269.084 492.5,-269.084"/>
</a>
</g>
<g id="a_edge10&#45;label"><a xlink:title="syscall.Write &#45;&gt; syscall.write (80ms)">
<text text-anchor="middle" x="506" y="-280.8" font-family="Times,serif" font-size="14.00"> 80ms</text>
</a>
</g>
</g>
<!-- N35&#45;&gt;N15 -->
<g id="edge35" class="edge"><title>N35&#45;&gt;N15</title>
<g id="a_edge35"><a xlink:title="syscall.openat &#45;&gt; syscall.Syscall6 (10ms)">
<path fill="none" stroke="black" d="M604,-488.812C604,-477.011 604,-461.072 604,-447.404"/>
<polygon fill="black" stroke="black" points="607.5,-447.051 604,-437.051 600.5,-447.051 607.5,-447.051"/>
</a>
</g>
<g id="a_edge35&#45;label"><a xlink:title="syscall.openat &#45;&gt; syscall.Syscall6 (10ms)">
<text text-anchor="middle" x="621" y="-458.8" font-family="Times,serif" font-size="14.00"> 10ms</text>
</a>
</g>
</g>
<!-- N36&#45;&gt;N2 -->
<g id="edge11" class="edge"><title>N36&#45;&gt;N2</title>
<g id="a_edge11"><a xlink:title="syscall.write &#45;&gt; syscall.Syscall (80ms)">
<path fill="none" stroke="black" stroke-width="2" d="M489,-222.568C489,-211.674 489,-197.029 489,-182.673"/>
<polygon fill="black" stroke="black" stroke-width="2" points="492.5,-182.328 489,-172.328 485.5,-182.328 492.5,-182.328"/>
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</g>
<g id="a_edge11&#45;label"><a xlink:title="syscall.write &#45;&gt; syscall.Syscall (80ms)">
<text text-anchor="middle" x="506" y="-193.8" font-family="Times,serif" font-size="14.00"> 80ms</text>
</a>
</g>
</g>
</g>
</g></svg>

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