Outreachy is getting squeezed financially from reduced funding related to diversity programs and reduced funding for open source orgs. Can you help us spread the word about how important the program is and help us connect to folks who might contribute funding?

https://www.outreachy.org/blog/2024-08-14/outreachy-needs-your-help/

@outreachy
#outreachy

Just realized the new member looks similar to the penguin of FB kernel team logo hat I found from https://opensource.fb.com/linux/ (file name: kernel-team-logo.svg)

RE: https://social.kernel.org/objects/11adc48b-1b76-4d76-8e86-c6c89d87d895

The CFP for the Containers devroom at @fosdem 2025 is now open! https://discuss.linuxcontainers.org/t/fosdem-2025-containers-devroom-call-for-papers/21956

Thanks @jejb for restoring sanity!

https://lore.kernel.org/all/e7d548a7fc835f9f3c9cb2e5ed97dfdfa164813f.camel@HansenPartnership.com/

@ljs I'm glad that my script helped you in some way :)

Several Russian developers lose kernel maintainership status

https://lwn.net/Articles/995186/ #LWN

The bubble is not popped yet. The 30-days PyPI downloads of 'damo' has doubled (8,000 -> 16,000) again, about ten days after the last doubling.

#linux #kernel #damon #damo #pypistats

RE: https://social.kernel.org/objects/d7273398-9f50-43bc-97c8-14673a13d783

DAMON project site's main page (https://damonitor.github.io) was redirecting[1] to a personal blog post, with its hidden real main page[2]. Now DAMON has its own project blog, and does not redirect[3] to personal blog anymore.

[1] https://github.com/damonitor/damonitor.github.io/blob/230038cfd5b85783bc6391f675fab66abe81eb79/index.html
[2] https://damonitor.github.io/_index.html
[3] https://github.com/damonitor/damonitor.github.io/commit/817d619090d8abb02e6a4020ff5d0b9664c6464c

#linux #kernel #damon #blog

I posted[1] an RFC patchset for DAMON debugfs interface removal a few days ago. Unless someone objects, the change will be merged soon, maybe into v6.14-rc1.

[1] https://lore.kernel.org/20241015175412.60563-1-sj@kernel.org

#linux #kernel #damon

@kernellogger It failed by default, as below:

$ bash kcbench -b -i 1 -j $(nproc --all)
[NOTE] Downloading source of Linux 5.15; this might take a while...
Processor:           QEMU Virtual CPU version 2.5+ [40 threads]
Cpufreq; Memory:     Unknown; 63163 MiB
Linux running:       6.12.0-rc2-mm-unstable-damon+ [x86_64]
Compiler:            gcc (Debian 12.2.0-14) 12.2.0
Linux compiled:      5.15.0 [.../.cache/kcbench/linux-5.15]
Config; Environment: defconfig; CCACHE_DISABLE="1"
Build command:       make vmlinux
Run 1 (-j 40):

Compilation failed. Aborting kcbench. Command used for compilation:
CCACHE_DISABLE="1" make --silent -C '.../.cache/kcbench/linux-5.15' O='/tmp/kcbench.yjn7s1H3h/worker-0/' -j '40' vmlinux
Tail from the output:
CCACHE_DISABLE="1" make --silent -C '.../.cache/kcbench/linux-5.15' O='/tmp/kcbench.yjn7s1H3h/worker-0/' -j '40' vmlinux
.../.cache/kcbench/linux-5.15/scripts/extract-cert.c: In function ‘display_openssl_errors’:
.../.cache/kcbench/linux-5.15/scripts/extract-cert.c:46:9: warning: ‘ERR_get_error_line’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
   46 |         while ((e = ERR_get_error_line(&file, &line))) {
      |         ^~~~~
[...]
cc1: all warnings being treated as errors
[...]
make: *** [Makefile:219: __sub-make] Error 2

After adding -s 5.17 following the workaround from @klausman [1], it succeed.

$ bash kcbench -b -i 1 -j $(nproc --all) -s 5.17
[NOTE] Downloading source of Linux 5.17; this might take a while...
[...]
Linux compiled:      5.17.0 [.../.cache/kcbench/linux-5.17]
Config; Environment: defconfig; CCACHE_DISABLE="1"
Build command:       make vmlinux
Run 1 (-j 40):       65.73 seconds / 54.77 kernels/hour [P:2858%, 45 maj. pagefaults]

[1] https://social.kernel.org/notice/AmuC8cjqppYS6XduT2

After about ten days from the last posting[1] of damo [2] monthly downloads record, the count has doubled (4,000 -> 9,000) again. The time for doubling the count has been reduced from 18 months to 7 months, then to 10 days this time.

Because daily stat graphs on PyPI are not very convenient for monthly download stats, I plotted the 'rolling 30-day downloads' count. It shows this might be a temporal bubble that will pop soon. But, doubling is doubling. I'll seize tonight :D

[1] https://social.kernel.org/notice/AmYHJtlc5aI4ObXnKS
[2] https://github.com/damonitor/damo

#linux #kernel #damon #damo #pypistats

An official video is also uploaded on YouTube: https://youtu.be/mRU1ZeNB9WY?feature=shared

#linux #kernel #damon #linuxplumbers

RE: https://social.kernel.org/objects/f6b89ea2-239f-40c8-b910-3eb3ef48c66b

At OSSummit Europe last month, I and Honggyu Kim presented[1] a few DAMON recipes including those for memory auto-scaling and CXL memory tiering. The video is now available at YouTube[2].

[1] https://sched.co/1ej2S
[2] https://youtu.be/xKJO4kLTHOI?feature=shared

#linux #kernel #damon #ossummit #asv2 #hmsdk

@qyousef @gregkh @oleksandr @axboe @kernellogger @ljs @vbabka It's clear we have many rooms to improve, and I'm grateful for these constructive discussions. I'd like to say, though, that the stable trees stably work pretty well for some use cases including my previous experiences at Amazon Linux (https://github.com/amazonlinux/linux), which is assumed to be one of the major kernels for AWS.

Again, we shouldn't be fully convinced about the current status since we have much room to improve. I just wanted to say the current status is not really completely broken, and appreciate people including the maintainers and people proposing improvements.

The next instalment of Linus vs. Kent – and Linus seems to be on the edge:

"[…] I'm contemplating just removing #bcachefs entirely from the [#Linux #kernel] mainline tree. Because you show again and again that you have no interest in trying to make mainline work. […]"

For the full discussion, start here: https://lore.kernel.org/all/cphtxla2se4gavql3re5xju7mqxld4rp6q4wbqephb6by5ibfa@5myddcaxerpb/t/#m631c24cd07f5820a4cbff8f25dff1d1a0c3cf2e7 (the quote is from one of the later mails from Linus). #LinuxKernel

"[...] Always remember: upstream Linux kernel development is highly social. 😉"

Wonder how many more "strikes" are needed? I think we've seen far too many already. Heck, even the Phoronix commenters seem to think enough is enough.

RE: https://masto.ai/@phoronix/113257686368572007

Just posted[1] 2024-Q3 DAMON news letter. It contains a number of news regarding new features, more users, repos reorganizations, and conference talks.

[1] https://lore.kernel.org/20241001191425.588219-1-sj@kernel.org

#linux #kernel #damon

Monthly downloads of DAMON user-space tool (DAMO)[1] from PyPI took about 18 months to surpass 2,000. About only 7 months after that, it exceeded 4,000 today!

[1] https://github.com/damonitor/damo

#linux #kernel #damon #damo

#sched_ext, which allows scheduling policies to be implemented as #BPF programs, has been merged for #Linux 6.12:

https://git.kernel.org/torvalds/c/88264981f2082248e892a706b2c5004650faac54

See https://lwn.net/Articles/922405/ for a description of what it does and https://lwn.net/Articles/972710/ for the controversy it caused that is the reason why it took so long to land in mainline.