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Isuru Samarathunga
204
Android/android-ndk-r27d/simpleperf/inferno/svg_renderer.py
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204
Android/android-ndk-r27d/simpleperf/inferno/svg_renderer.py
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#
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# Copyright (C) 2016 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import sys
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SVG_NODE_HEIGHT = 17
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FONT_SIZE = 12
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UNZOOM_NODE_ORIGIN_X = 10
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UNZOOM_NODE_WIDTH = 80
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INFO_NODE_ORIGIN_X = 120
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INFO_NODE_WIDTH = 800
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PERCENT_NODE_ORIGIN_X = 930
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PERCENT_NODE_WIDTH = 250
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SEARCH_NODE_ORIGIN_X = 1190
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SEARCH_NODE_WIDTH = 80
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RECT_TEXT_PADDING = 10
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def hash_to_float(string):
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return hash(string) / float(sys.maxsize)
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def get_legacy_color(method):
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r = 175 + int(50 * hash_to_float(reversed(method)))
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g = 60 + int(180 * hash_to_float(method))
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b = 60 + int(55 * hash_to_float(reversed(method)))
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return (r, g, b)
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def get_dso_color(method):
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r = 170 + int(80 * hash_to_float(reversed(method)))
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g = 180 + int(70 * hash_to_float((method)))
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b = 170 + int(80 * hash_to_float(reversed(method)))
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return (r, g, b)
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def get_heat_color(callsite, total_weight):
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r = 245 + 10 * (1 - callsite.weight() / total_weight)
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g = 110 + 105 * (1 - callsite.weight() / total_weight)
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b = 100
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return (r, g, b)
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def get_proper_scaled_time_string(value):
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if value >= 1e9:
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return '%.3f s' % (value / 1e9)
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if value >= 1e6:
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return '%.3f ms' % (value / 1e6)
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if value >= 1e3:
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return '%.3f us' % (value / 1e3)
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return '%.0f ns' % value
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def create_svg_node(process, callsite, depth, f, total_weight, height, color_scheme, nav):
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x = float(callsite.offset) / total_weight * 100
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y = height - (depth + 1) * SVG_NODE_HEIGHT
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width = callsite.weight() / total_weight * 100
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method = callsite.method.replace(">", ">").replace("<", "<")
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if width <= 0:
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return
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if color_scheme == "dso":
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r, g, b = get_dso_color(callsite.dso)
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elif color_scheme == "legacy":
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r, g, b = get_legacy_color(method)
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else:
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r, g, b = get_heat_color(callsite, total_weight)
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r_border, g_border, b_border = [max(0, color - 50) for color in [r, g, b]]
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if process.props['trace_offcpu']:
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weight_str = get_proper_scaled_time_string(callsite.weight())
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else:
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weight_str = "{:,}".format(int(callsite.weight())) + ' events'
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f.write(
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"""<g id=%d class="n" onclick="zoom(this);" onmouseenter="select(this);" nav="%s">
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<title>%s | %s (%s: %3.2f%%)</title>
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<rect x="%f%%" y="%f" ox="%f" oy="%f" width="%f%%" owidth="%f" height="15.0"
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ofill="rgb(%d,%d,%d)" fill="rgb(%d,%d,%d)" style="stroke:rgb(%d,%d,%d)"/>
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<text x="%f%%" y="%f" font-size="%d" font-family="Monospace"></text>
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</g>""" %
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(callsite.id,
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','.join(str(x) for x in nav),
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method,
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callsite.dso,
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weight_str,
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callsite.weight() / total_weight * 100,
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x,
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y,
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x,
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y,
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width,
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width,
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r,
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g,
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b,
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r,
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g,
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b,
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r_border,
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g_border,
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b_border,
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x,
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y + 12,
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FONT_SIZE))
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def render_svg_nodes(process, flamegraph, depth, f, total_weight, height, color_scheme):
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for i, child in enumerate(flamegraph.children):
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# Prebuild navigation target for wasd
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if i == 0:
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left_index = 0
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else:
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left_index = flamegraph.children[i - 1].id
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if i == len(flamegraph.children) - 1:
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right_index = 0
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else:
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right_index = flamegraph.children[i + 1].id
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up_index = max(child.children, key=lambda x: x.weight()).id if child.children else 0
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# up, left, down, right
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nav = [up_index, left_index, flamegraph.id, right_index]
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create_svg_node(process, child, depth, f, total_weight, height, color_scheme, nav)
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# Recurse down
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render_svg_nodes(process, child, depth + 1, f, total_weight, height, color_scheme)
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def render_search_node(f):
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f.write(
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"""<rect id="search_rect" style="stroke:rgb(0,0,0);" onclick="search(this);" class="t"
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rx="10" ry="10" x="%d" y="10" width="%d" height="30" fill="rgb(255,255,255)""/>
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<text id="search_text" class="t" x="%d" y="30" onclick="search(this);">Search</text>
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""" % (SEARCH_NODE_ORIGIN_X, SEARCH_NODE_WIDTH, SEARCH_NODE_ORIGIN_X + RECT_TEXT_PADDING))
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def render_unzoom_node(f):
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f.write(
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"""<rect id="zoom_rect" style="display:none;stroke:rgb(0,0,0);" class="t"
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onclick="unzoom(this);" rx="10" ry="10" x="%d" y="10" width="%d" height="30"
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fill="rgb(255,255,255)"/>
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<text id="zoom_text" style="display:none;" class="t" x="%d" y="30"
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onclick="unzoom(this);">Zoom out</text>
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""" % (UNZOOM_NODE_ORIGIN_X, UNZOOM_NODE_WIDTH, UNZOOM_NODE_ORIGIN_X + RECT_TEXT_PADDING))
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def render_info_node(f):
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f.write(
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"""<clipPath id="info_clip_path"> <rect id="info_rect" style="stroke:rgb(0,0,0);"
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rx="10" ry="10" x="%d" y="10" width="%d" height="30" fill="rgb(255,255,255)"/>
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</clipPath>
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<rect id="info_rect" style="stroke:rgb(0,0,0);"
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rx="10" ry="10" x="%d" y="10" width="%d" height="30" fill="rgb(255,255,255)"/>
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<text clip-path="url(#info_clip_path)" id="info_text" x="%d" y="30"></text>
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""" % (INFO_NODE_ORIGIN_X, INFO_NODE_WIDTH, INFO_NODE_ORIGIN_X, INFO_NODE_WIDTH,
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INFO_NODE_ORIGIN_X + RECT_TEXT_PADDING))
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def render_percent_node(f):
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f.write(
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"""<rect id="percent_rect" style="stroke:rgb(0,0,0);"
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rx="10" ry="10" x="%d" y="10" width="%d" height="30" fill="rgb(255,255,255)"/>
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<text id="percent_text" text-anchor="end" x="%d" y="30">100.00%%</text>
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""" % (PERCENT_NODE_ORIGIN_X, PERCENT_NODE_WIDTH,
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PERCENT_NODE_ORIGIN_X + PERCENT_NODE_WIDTH - RECT_TEXT_PADDING))
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def render_svg(process, flamegraph, f, color_scheme):
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height = (flamegraph.get_max_depth() + 2) * SVG_NODE_HEIGHT
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f.write("""<div class="flamegraph_block" style="width:100%%; height:%dpx;">
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""" % height)
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f.write("""<svg xmlns="http://www.w3.org/2000/svg"
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xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1"
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width="100%%" height="100%%" style="border: 1px solid black;"
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rootid="%d">
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""" % (flamegraph.children[0].id))
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f.write("""<defs > <linearGradient id="background_gradiant" y1="0" y2="1" x1="0" x2="0" >
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<stop stop-color="#eeeeee" offset="5%" /> <stop stop-color="#efefb1" offset="90%" />
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</linearGradient> </defs>""")
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f.write("""<rect x="0.0" y="0" width="100%" height="100%" fill="url(#background_gradiant)" />
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""")
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render_svg_nodes(process, flamegraph, 0, f, flamegraph.weight(), height, color_scheme)
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render_search_node(f)
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render_unzoom_node(f)
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render_info_node(f)
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render_percent_node(f)
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f.write("</svg></div><br/>\n\n")
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