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CrashKill/Analysis: Difference between revisions
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What data do we have? | What data do we have? | ||
<pre> | <pre> | ||
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How Can We Use It To Get to the Bottom of Crash Problems | How Can We Use It To Get to the Bottom of Crash Problems | ||
QA activities -- who, what, when, where, and how: | QA activities -- who, what, when, where, and how: | ||
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* Time & Regression Ranges -- looking at the various forms of time data: | * Time & Regression Ranges -- looking at the various forms of time data: | ||
** Finding Spikes and Volume Regressions | ** Finding Spikes and Volume Regressions | ||
*** time of crash (breakpad/socorro dup reports) | *** time of crash (breakpad/socorro dup reports) https://bugzilla.mozilla.org/show_bug.cgi?id=579136 | ||
*** time since last crash | *** time since last crash | ||
*** time since start up (uptime) | *** time since start up (uptime) | ||
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*** using regression ranges to examine change sets | *** using regression ranges to examine change sets | ||
** Running Minidupms in the debugger. | ** Running Minidupms in the debugger. | ||
Beyond http://crash-stats.mozilla.com/ | |||
http://people.mozilla.com/crash_analysis/20101213/ | |||
20101213-pub-crashdata.csv.gz | |||
20101213_Firefox_3.6.9-core-counts.txt -- for finding threading issues | |||
20101213_Firefox_3.6.9-interesting-addons-with-versions.txt | |||
20101213_Firefox_3.6.9-interesting-modules-with-versions.txt.gz | |||
http://people.mozilla.com/~chofmann/crash-stats/20101213/ | |||
top-4.0b8pre.html ( just the firefox crashes... ) | |||
compare-rank-40b8pre-40b7.txt ( what new? ) | |||
compare-rank-40b6-40b7-40b8pre.txt (what's fixed? ) | |||
mozilla-central-crash-trend.csv (which mozilla-central builds are most crashy?) | |||
http://people.mozilla.com/crash_stacks/ | |||
beyond just a signature | |||
a single signature might represent several bugs | |||
many signatures might represent the same bug | |||
Searching for common code pattern with different signatures | |||
searching the long tail | |||
http://people.mozilla.com/crash_stacks/stack-summary-4.0b8pre.txt | |||