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Detached perf tarballs are now available for released kernels, starting with 4.19.0: https://www.kernel.org/pub/linux/kernel/tools/perf/ … See instructions on how to build and enjoy the latest goodies in your system, no need to match the running kernel version.
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On my way to Vienna, fedora soon will have a dwarves 1.16 rpm!
#bpf#pahole#linuxpic.twitter.com/GQlCQUt8iX
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Arnaldo Carvalho de Melo Retweeted
Honda nem chegou no Brasil ainda e já fala português melhor que o ministro da Educação.https://twitter.com/kskgroup2017/status/1223245481125376000 …
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https://ww.kernel.org/pub/linux/kernel/tools/perf/v5.5.0/ … available, go up in the dir tree and see how to build it, rpm/deb builds would be welcome?
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All at the same time.
#bpf#linux#devconfczpic.twitter.com/HebDEdpezx
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Jiří Olša showing what the magikal bpftrace scripts end up generating as BPF bytecode.
#devconfcz#bpfpic.twitter.com/fHqbIQtEuB
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If BPF is not the answer, BTF can help, current set of slides for my presentation tomorrow at 12:00: http://vger.kernel.org/~acme/bpf/devconf.cz-2020-BPF-The-Status-of-BTF-producers-consumers/ …
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Arnaldo Carvalho de Melo Retweeted
If you build network equipment and software, you should play attention. Sometimes the algorithms are useful in general software contexts as well.https://twitter.com/apnic/status/1219970468477726720 …
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Sampa is how the people of this city don't like we call São Paulo.
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Travel starting, Brno, here we go!
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Arnaldo Carvalho de Melo Retweeted
Heya heya! 9th edition of Kernel Recipes will take place in Paris, 28 to 30th september 2020. Stay tuned!
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Landed in northeastern South America!
#bpf#linuxpic.twitter.com/LSebwk4tiK
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Got an OOPS? Figured out the type in the variable causing the oops? Got the offset? Deep in a sub struct? Got you covered with a new EXAMPLE: https://git.kernel.org/pub/scm/devel/pahole/pahole.git/commit/?id=277c2b3d1b4a12c9d4c5297a99e1f0c352685d78 …
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@unixbhaskar here, as requested :-)Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
By popular demand: improve pahole's man page, adding info about BTF and a growing EXAMPLES section with hopefully interesting use cases: https://git.kernel.org/pub/scm/devel/pahole/pahole.git/commit/?id=812c980b3f7666c480fdbbd5ac236dc8f0fd3392 … Suggestions welcome, ask if something is possible and that may end up as an EXAMPLE!
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Make 'pahole --contains' take into account typedefs, enums, etc in addition to structs, unions, i.e. want to know which Linux RCU data structures embed a raw spinlock? pahole --contains raw_spinlock_t --prefix rcu https://git.kernel.org/pub/scm/devel/pahole/pahole.git/commit/?id=3c1a9a3329d9fb3111865ecedf0472a48b0f55ee …
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One of the links somehow went broken, here it is again: https://git.kernel.org/pub/scm/devel/pahole/pahole.git/commit/?id=a8a7e605bb4500ea0eacb6b569677273b45ee48a …
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