1 # 2 # Copyright (C) 2016 The Android Open Source Project 3 # 4 # Licensed under the Apache License, Version 2.0 (the "License"); 5 # you may not use this file except in compliance with the License. 6 # You may obtain a copy of the License at 7 # 8 # http://www.apache.org/licenses/LICENSE-2.0 9 # 10 # Unless required by applicable law or agreed to in writing, software 11 # distributed under the License is distributed on an "AS IS" BASIS, 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 # See the License for the specific language governing permissions and 14 # limitations under the License. 15 # 16 17 import sys 18 19 SVG_NODE_HEIGHT = 17 20 FONT_SIZE = 12 21 22 UNZOOM_NODE_ORIGIN_X = 10 23 UNZOOM_NODE_WIDTH = 80 24 INFO_NODE_ORIGIN_X = 120 25 INFO_NODE_WIDTH = 800 26 PERCENT_NODE_ORIGIN_X = 930 27 PERCENT_NODE_WIDTH = 250 28 SEARCH_NODE_ORIGIN_X = 1190 29 SEARCH_NODE_WIDTH = 80 30 RECT_TEXT_PADDING = 10 31 32 33 def hash_to_float(string): 34 return hash(string) / float(sys.maxsize) 35 36 37 def get_legacy_color(method): 38 r = 175 + int(50 * hash_to_float(reversed(method))) 39 g = 60 + int(180 * hash_to_float(method)) 40 b = 60 + int(55 * hash_to_float(reversed(method))) 41 return (r, g, b) 42 43 44 def get_dso_color(method): 45 r = 170 + int(80 * hash_to_float(reversed(method))) 46 g = 180 + int(70 * hash_to_float((method))) 47 b = 170 + int(80 * hash_to_float(reversed(method))) 48 return (r, g, b) 49 50 51 def get_heat_color(callsite, total_weight): 52 r = 245 + 10 * (1 - callsite.weight() / total_weight) 53 g = 110 + 105 * (1 - callsite.weight() / total_weight) 54 b = 100 55 return (r, g, b) 56 57 def get_proper_scaled_time_string(value): 58 if value >= 1e9: 59 return '%.3f s' % (value / 1e9) 60 if value >= 1e6: 61 return '%.3f ms' % (value / 1e6) 62 if value >= 1e3: 63 return '%.3f us' % (value / 1e3) 64 return '%.0f ns' % value 65 66 def create_svg_node(process, callsite, depth, f, total_weight, height, color_scheme, nav): 67 x = float(callsite.offset) / total_weight * 100 68 y = height - (depth + 1) * SVG_NODE_HEIGHT 69 width = callsite.weight() / total_weight * 100 70 71 method = callsite.method.replace(">", ">").replace("<", "<") 72 if width <= 0: 73 return 74 75 if color_scheme == "dso": 76 r, g, b = get_dso_color(callsite.dso) 77 elif color_scheme == "legacy": 78 r, g, b = get_legacy_color(method) 79 else: 80 r, g, b = get_heat_color(callsite, total_weight) 81 82 r_border, g_border, b_border = [max(0, color - 50) for color in [r, g, b]] 83 84 if process.props['trace_offcpu']: 85 weight_str = get_proper_scaled_time_string(callsite.weight()) 86 else: 87 weight_str = "{:,}".format(int(callsite.weight())) + ' events' 88 89 f.write( 90 """<g id=%d class="n" onclick="zoom(this);" onmouseenter="select(this);" nav="%s"> 91 <title>%s | %s (%s: %3.2f%%)</title> 92 <rect x="%f%%" y="%f" ox="%f" oy="%f" width="%f%%" owidth="%f" height="15.0" 93 ofill="rgb(%d,%d,%d)" fill="rgb(%d,%d,%d)" style="stroke:rgb(%d,%d,%d)"/> 94 <text x="%f%%" y="%f" font-size="%d" font-family="Monospace"></text> 95 </g>""" % 96 (callsite.id, 97 ','.join(str(x) for x in nav), 98 method, 99 callsite.dso, 100 weight_str, 101 callsite.weight() / total_weight * 100, 102 x, 103 y, 104 x, 105 y, 106 width, 107 width, 108 r, 109 g, 110 b, 111 r, 112 g, 113 b, 114 r_border, 115 g_border, 116 b_border, 117 x, 118 y + 12, 119 FONT_SIZE)) 120 121 122 def render_svg_nodes(process, flamegraph, depth, f, total_weight, height, color_scheme): 123 for i, child in enumerate(flamegraph.children): 124 # Prebuild navigation target for wasd 125 126 if i == 0: 127 left_index = 0 128 else: 129 left_index = flamegraph.children[i - 1].id 130 131 if i == len(flamegraph.children) - 1: 132 right_index = 0 133 else: 134 right_index = flamegraph.children[i + 1].id 135 136 up_index = max(child.children, key=lambda x: x.weight()).id if child.children else 0 137 138 # up, left, down, right 139 nav = [up_index, left_index, flamegraph.id, right_index] 140 141 create_svg_node(process, child, depth, f, total_weight, height, color_scheme, nav) 142 # Recurse down 143 render_svg_nodes(process, child, depth + 1, f, total_weight, height, color_scheme) 144 145 146 def render_search_node(f): 147 f.write( 148 """<rect id="search_rect" style="stroke:rgb(0,0,0);" onclick="search(this);" class="t" 149 rx="10" ry="10" x="%d" y="10" width="%d" height="30" fill="rgb(255,255,255)""/> 150 <text id="search_text" class="t" x="%d" y="30" onclick="search(this);">Search</text> 151 """ % (SEARCH_NODE_ORIGIN_X, SEARCH_NODE_WIDTH, SEARCH_NODE_ORIGIN_X + RECT_TEXT_PADDING)) 152 153 154 def render_unzoom_node(f): 155 f.write( 156 """<rect id="zoom_rect" style="display:none;stroke:rgb(0,0,0);" class="t" 157 onclick="unzoom(this);" rx="10" ry="10" x="%d" y="10" width="%d" height="30" 158 fill="rgb(255,255,255)"/> 159 <text id="zoom_text" style="display:none;" class="t" x="%d" y="30" 160 onclick="unzoom(this);">Zoom out</text> 161 """ % (UNZOOM_NODE_ORIGIN_X, UNZOOM_NODE_WIDTH, UNZOOM_NODE_ORIGIN_X + RECT_TEXT_PADDING)) 162 163 164 def render_info_node(f): 165 f.write( 166 """<clipPath id="info_clip_path"> <rect id="info_rect" style="stroke:rgb(0,0,0);" 167 rx="10" ry="10" x="%d" y="10" width="%d" height="30" fill="rgb(255,255,255)"/> 168 </clipPath> 169 <rect id="info_rect" style="stroke:rgb(0,0,0);" 170 rx="10" ry="10" x="%d" y="10" width="%d" height="30" fill="rgb(255,255,255)"/> 171 <text clip-path="url(#info_clip_path)" id="info_text" x="%d" y="30"></text> 172 """ % (INFO_NODE_ORIGIN_X, INFO_NODE_WIDTH, INFO_NODE_ORIGIN_X, INFO_NODE_WIDTH, 173 INFO_NODE_ORIGIN_X + RECT_TEXT_PADDING)) 174 175 176 def render_percent_node(f): 177 f.write( 178 """<rect id="percent_rect" style="stroke:rgb(0,0,0);" 179 rx="10" ry="10" x="%d" y="10" width="%d" height="30" fill="rgb(255,255,255)"/> 180 <text id="percent_text" text-anchor="end" x="%d" y="30">100.00%%</text> 181 """ % (PERCENT_NODE_ORIGIN_X, PERCENT_NODE_WIDTH, 182 PERCENT_NODE_ORIGIN_X + PERCENT_NODE_WIDTH - RECT_TEXT_PADDING)) 183 184 185 def render_svg(process, flamegraph, f, color_scheme): 186 height = (flamegraph.get_max_depth() + 2) * SVG_NODE_HEIGHT 187 f.write("""<div class="flamegraph_block" style="width:100%%; height:%dpx;"> 188 """ % height) 189 f.write("""<svg xmlns="http://www.w3.org/2000/svg" 190 xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" 191 width="100%%" height="100%%" style="border: 1px solid black;" 192 rootid="%d"> 193 """ % (flamegraph.children[0].id)) 194 f.write("""<defs > <linearGradient id="background_gradiant" y1="0" y2="1" x1="0" x2="0" > 195 <stop stop-color="#eeeeee" offset="5%" /> <stop stop-color="#efefb1" offset="90%" /> 196 </linearGradient> </defs>""") 197 f.write("""<rect x="0.0" y="0" width="100%" height="100%" fill="url(#background_gradiant)" /> 198 """) 199 render_svg_nodes(process, flamegraph, 0, f, flamegraph.weight(), height, color_scheme) 200 render_search_node(f) 201 render_unzoom_node(f) 202 render_info_node(f) 203 render_percent_node(f) 204 f.write("</svg></div><br/>\n\n") 205