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Diffstat (limited to 'Documentation/git-bisect-lk2009.txt')
| -rw-r--r-- | Documentation/git-bisect-lk2009.txt | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/Documentation/git-bisect-lk2009.txt b/Documentation/git-bisect-lk2009.txt index 78479b003e..3ba49e85b7 100644 --- a/Documentation/git-bisect-lk2009.txt +++ b/Documentation/git-bisect-lk2009.txt @@ -158,7 +158,7 @@ Test suites are very nice. But when they are used alone, they are supposed to be used so that all the tests are checked after each commit. This means that they are not very efficient, because many tests are run for no interesting result, and they suffer from -combinational explosion. +combinatorial explosion. In fact the problem is that big software often has many different configuration options and that each test case should pass for each @@ -633,11 +633,11 @@ and so at step 3) we compute f(X). Let's take the following graph as an example: ------------- - G-H-I-J - / \ + G-H-I-J + / \ A-B-C-D-E-F O - \ / - K-L-M-N + \ / + K-L-M-N ------------- If we compute the following non optimal function on it: @@ -649,25 +649,25 @@ g(X) = min(number_of_ancestors(X), number_of_descendants(X)) we get: ------------- - 4 3 2 1 - G-H-I-J + 4 3 2 1 + G-H-I-J 1 2 3 4 5 6/ \0 A-B-C-D-E-F O - \ / - K-L-M-N - 4 3 2 1 + \ / + K-L-M-N + 4 3 2 1 ------------- but with the algorithm used by git bisect we get: ------------- - 7 7 6 5 - G-H-I-J + 7 7 6 5 + G-H-I-J 1 2 3 4 5 6/ \0 A-B-C-D-E-F O - \ / - K-L-M-N - 7 7 6 5 + \ / + K-L-M-N + 7 7 6 5 ------------- So we chose G, H, K or L as the best bisection point, which is better @@ -773,7 +773,7 @@ forked of the main branch at a commit named "D" like this: ------------- A-B-C-D-E-F-G <--main \ - H-I-J <--dev + H-I-J <--dev ------------- The commit "D" is called a "merge base" for branch "main" and "dev" @@ -1103,7 +1103,7 @@ _____________ Combining test suites, git bisect and other systems together ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -We have seen that test suites an git bisect are very powerful when +We have seen that test suites and git bisect are very powerful when used together. It can be even more powerful if you can combine them with other systems. @@ -1350,9 +1350,9 @@ References - [[[1]]] https://www.nist.gov/sites/default/files/documents/director/planning/report02-3.pdf['The Economic Impacts of Inadequate Infratructure for Software Testing'. Nist Planning Report 02-3], see Executive Summary and Chapter 8. - [[[2]]] http://www.oracle.com/technetwork/java/codeconvtoc-136057.html['Code Conventions for the Java Programming Language'. Sun Microsystems.] - [[[3]]] https://en.wikipedia.org/wiki/Software_maintenance['Software maintenance'. Wikipedia.] -- [[[4]]] https://public-inbox.org/git/7vps5xsbwp.fsf_-_@assigned-by-dhcp.cox.net/[Junio C Hamano. 'Automated bisect success story'.] +- [[[4]]] https://lore.kernel.org/git/7vps5xsbwp.fsf_-_@assigned-by-dhcp.cox.net/[Junio C Hamano. 'Automated bisect success story'.] - [[[5]]] https://lwn.net/Articles/317154/[Christian Couder. 'Fully automated bisecting with "git bisect run"'. LWN.net.] - [[[6]]] https://lwn.net/Articles/277872/[Jonathan Corbet. 'Bisection divides users and developers'. LWN.net.] -- [[[7]]] http://marc.info/?l=linux-kernel&m=119702753411680&w=2[Ingo Molnar. 'Re: BUG 2.6.23-rc3 can't see sd partitions on Alpha'. Linux-kernel mailing list.] +- [[[7]]] https://lore.kernel.org/lkml/20071207113734.GA14598@elte.hu/[Ingo Molnar. 'Re: BUG 2.6.23-rc3 can't see sd partitions on Alpha'. Linux-kernel mailing list.] - [[[8]]] https://www.kernel.org/pub/software/scm/git/docs/git-bisect.html[Junio C Hamano and the git-list. 'git-bisect(1) Manual Page'. Linux Kernel Archives.] - [[[9]]] https://github.com/Ealdwulf/bbchop[Ealdwulf. 'bbchop'. GitHub.] |