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This code is in a confusingly bad shape. Kill a bunch of global variables
and pass needed variables around in function calls.
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Retrieve the handle to procfs in main(), and pass it functions
that need it. Kill the global variables.
Also, refactor lots of code in svg_title(). There's no need to access any
global variables from there either, and we really should return proper
errors from there as well.
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Don't blindly exit() from random functions, but return a proper error
and upchain error conditions.
squash! bootchart: clean up control flow logic
When pread() returns "0", it's a read failure, so don't make the caller think
log_sample() was successful, return meaningful error code instead of 0.
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"Corporation" was misspelled as "Coproration"
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Instead of storing bootchart sample data in arrays, this patch moves
storage to linked lists so that there is no more limit on samples.
This patch also fixes parsing of /proc/<pid>/smaps in kernels > 3.7.
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Let's update bootchar to share the coding style a bit more with the rest
of the package.
- Some tabs/spaces fixes
- add #pragma to header
- split up header so that we have a 1:1 relation between .c and .h files
like everywhere else
- Prefix user command line arguments/configuration settings with "arg_".
- other coding style fixes
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