2020 January 1, Linux Kernel Git source code tree has reached 27.8 million lines.
phoronix site statistics of some of the Linux kernel source code when entering data in 2020 and made her concluding, from statistical data, the Linux kernel source tree a total of 27,852,148 lines (including documents, Kconfig files, user space utilities such as tree ), 887,925 times and commit about 21 074 different authors. 27.8 million lines of code distributed 66 492 files.
Look at 2019, Linux kernel has 74,754 times commit, which is the lowest value since 2013. The number of commit 2017 and 2018 has 80,000, 77 000 2016, 2014 and 2015 are 75 000 times.
In addition to a small number of commit, last year the number of cores authors also reduced, by 2019 there are about 4 189 different authors of the Linux kernel, which is below the 2018 4 362 and 4 402 2017.
But while the number of authors and commit to reduce, but look at the number of lines of code, but it is average, and last year added a total of 3,386,347 lines of new code, remove the 1 696 620 line.
Among these, in addition to Linus Torvalds, the kernel is the largest contribution David S. Miller, Chris Wilson, YueHaibing, Christoph Hellwig and Thomas Gleixner.
The companies involved in the contribution from domain statistical point of view, Google, Intel and Red Hat ranked in the forefront.
You can view specific statistical information provided by this tool phoronix: