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18 <header id="header"><div id="header-text">CSI:Mozilla</div>
19 <a id="headerlogo" href="#index" title="Startseite">Mozilla Firefox</a>
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30 <article id="toc" title="Table of Contents">
31 <h1>Table of Contents</h1>
34 <div class="captionedbox">
35 <p class="captionedbox-caption">The following slides are available in this presentation:</p>
36 <div class="captionedbox-content">
41 <article id="index" title="Start Page">
42 <h1>CSI:Mozilla - Crash Scene Investigations</h1>
44 <div class="simplebox">
45 <mark><a href="http://home.kairo.at/">Robert Kaiser</a></mark>,
46 "KaiRo" <kairo@kairo.at>
47 <br><small>Mozilla Crash Scene Investigator</small>
50 <div class="captionedbox">
51 <p class="captionedbox-caption">Slides:
52 <a href="http://slides.kairo.at/eumozcamp-berlin2011/">http://slides.kairo.at/eumozcamp-berlin2011/</a></p>
53 <div class="captionedbox-content small">
55 <li>Created for a presentation at
56 <a href="https://wiki.mozilla.org/EU_MozCamp_2011">EU MozCamp 2011</a> in
58 <li>Written in HTML 5 with CSS 3 and JavaScript.</li>
59 <li>Navigation via links on all slides, via access keys
60 (e.g. "n"/Alt+Shift+N for "next") or back/forward arrow keys</li>
61 <li><a href="#toc">Contents</a></li>
62 <li><a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/at/"><img
63 alt="Licensed under CC-BY-SA," style="border-width:0;vertical-align:bottom;"
64 src="cc-by-sa-80x15.png" /></a> 11/2011
65 Robert Kaiser & the Mozilla CrashKill team</li>
71 <article id="crashkill" title="CrashKill">
74 <div class="simplebox">
76 <p><img src="firefox.png" alt="Firefox logo"></p>
77 <p><mark>Mission: To improve stability of our
82 <article id="beginnings" title="CrashKill: Beginnings">
83 <h1>How CrashKill Started</h1>
85 <div class="simplebox">
86 <img src="crash.jpg" alt="" style="float:right;">
88 <li><mark>Nov 2009</mark>: 3.5 & 3.6 crashes spiked and created a need for
90 <li><mark>CrashKill</mark> was born: a focused initiative to analyze incoming
91 crashes, detect trends, and drive resolutions</li>
96 <article id="factors" title="Stability Factors">
97 <h1 style="display:none;">Stability Factors</h1>
99 <div class="simplebox cent">
100 <img src="factors.png"
101 alt="stability factors: Flash, add-ons, website changes, malware, code changes">
105 <article id="crash-analysis" title="Reading the Tea Leaves">
106 <h1>Reading The Tea Leaves</h1>
108 <div class="simplebox">
110 <li><mark>Trends</mark>: crash rates, "explosiveness"</li>
111 <li>Bugs filed / crash-stats data analysis</li>
112 <li><mark>Topcrash</mark> lists, crash ranks</li>
113 <li><mark>Correlations</mark> with code, website, 3rd-party software changes</li>
114 <li>Browser vs. plugin</li>
115 <li>Duplicates, OSes, uptime, etc.</li>
120 <article id="understanding-data" title="Understanding the Data">
121 <h1>Understanding the Data</h1>
123 <div class="simplebox">
125 <li><mark>Comparing</mark> crash rates between releases</li>
126 <li><mark>Pitfalls</mark> of crash rates, ADUs, ranks</li>
127 <li>Changes of signatures due to code or tool changes</li>
128 <li>Related signatures/bugs/crashes</li>
133 <article id="focus" title="Areas of Focus">
134 <h1>Areas of Focus</h1>
136 <div class="simplebox">
139 <li><mark>Hangs</mark>, 3rd-party issues, malware</li>
140 <li>Analysis by <mark>component</mark></li>
141 <li>Most crashes in core, not desktop/mobile-specific</li>
142 <li>Mobile has more emphasis on out-of-memory issues</li>
143 <li>Lower ADU volume on mobile</li>
144 <li>Android Symbol Sender</li>
149 <article id="bugzilla" title="Bugzilla Best Practice">
150 <h1>Bugzilla Best Practice</h1>
152 <div class="simplebox">
154 <li>Add <mark>crash</mark> keyword</li>
155 <li>If a regression, add <mark>regression</mark> keyword
157 <li>Add <mark>regressionwindow-wanted</mark> keyword</li>
158 <li>Try finding regression window</li>
159 <li>Try to correlate with push log</li>
162 <li>If possible, find and add steps to reproduce</li>
167 <article id="community" title="Community">
170 <div class="simplebox">
172 <li>Keep community engaged by fixing their issues</li>
173 <li>Community member Scoobidiver: >650 crash bugs filed</li>
174 <li>We <mark>need more members</mark> of the community contributing in a more
175 coordinated fashion</li>
176 <li>From filing good bugs via regression hunting to trying to fix</li>
181 <article id="socorro" title="Socorro">
184 <div class="simplebox">
186 <li><mark>crash-stats.mozilla.com</mark></li>
187 <li>Working closely with Socorro team to identify and prioritize front-end
188 features that will help us diagnose crashes</li>
193 <article id="help" title="How You Can Help">
194 <h1>How You Can Help</h1>
196 <div class="simplebox">
198 <li>Make sure you <mark>submit crash reports</mark>, ideally including email
200 <li><mark>Report bugs</mark> for crashes, tell us if you can reproduce them</li>
201 <li>CrashKill meetings - Mondays @ 10am Pacific ("7pm Central Europe") x290</li>
202 <li>Visit us in #crashkill on irc.mozilla.org</li>
203 <li>If you have a regular Firefox crash, help us to diagnose it - email
204 <mark>marcia@mozilla.com</mark> with details</li>
205 <li>Try fixing crashes - each one counts!</li>
210 <article id="team" title="CrashKill-Team">
211 <h1 style="display:none;">The CrashKill-Team</h1>
213 <div class="simplebox cent">
215 alt="Chris Hofmann, Sheila Mooney, Marcia Knous, Noaki Hirata, Robert Kaiser">