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4 Commits

Author SHA1 Message Date
Dmitry Vyukov
c85e1c5be9 pkg/cover: hierarchical coverage reports 
Better coverage reports with hierarchical coverage information,
number of programs covering each line,
handling of partially covered lines,
links to programs covering lines.

Fixes #682
 2019-07-26 19:32:14 +02:00
Dmitry Vyukov
06616a2715 tools/syz-cover: skip empty lines in coverage file 
If it's constructed manually, it's easy to add an empty line at the end.
 2019-07-18 09:36:03 +02:00
Siddharth M
f613a7c41d pkg/cover: fix prefix computation 
* pkg/cover: Modify parsing logic
1. Remove prefix computation
2. Add a mgrconfig for kernel build directory

* pkg/report: shorten reports with kernelBuildSrc instead of kernelSrc

* pkg/report: Fix failing tests

* pkg/report: fix formating issues

* tools/syz-cover: Fix unintended redefinition

* make changes to fix failing ci build

* pkg/report: fix issues
 2019-07-17 11:58:23 +02:00
Dmitry Vyukov
ceeb374637 tools/syz-cover: add utility for generation of coverage reports 
syz-cover generates coverage HTML report from raw coverage files.
Raw coverage files are text files with one PC in hex form per line, e.g.:

	0xffffffff8398658d
	0xffffffff839862fc
	0xffffffff8398633f

Raw coverage files can be obtained either from /rawcover manager HTTP handler,
or from syz-execprog with -coverfile flag.

Usage:
	syz-cover [-os=OS -arch=ARCH -kernel_src=. -kernel_obj=.] rawcover.file*
 2018-12-10 16:37:01 +01:00