| Age | Commit message (Collapse) | Author |
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* changes:
libstore/build: block io_uring
libstore/build: use an allowlist approach to syscall filtering
libstore/build: always treat seccomp setup failures as fatal
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* changes:
package.nix: remove dead code
diff-closures: remove gratuitous copy
tree-wide: NULL -> nullptr
libutil: rip out GNU Hurd support code
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Unfortunately, io_uring is totally opaque to seccomp, and while currently there
are no dangerous operations implemented, there is no guarantee that it remains
this way. This means that io_uring should be blocked entirely to ensure that
the sandbox is future-proof. This has not been observed to cause issues in
practice.
Change-Id: I45d3895f95abe1bc103a63969f444c334dbbf50d
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Previously, system call filtering (to prevent builders from storing files with
setuid/setgid permission bits or extended attributes) was performed using a
blocklist. While this looks simple at first, it actually carries significant
security and maintainability risks: after all, the kernel may add new syscalls
to achieve the same functionality one is trying to block, and it can even be
hard to actually add the syscall to the blocklist when building against a C
library that doesn't know about it yet. For a recent demonstration of this
happening in practice to Nix, see the introduction of fchmodat2 [0] [1].
The allowlist approach does not share the same drawback. While it does require
a rather large list of harmless syscalls to be maintained in the codebase,
failing to update this list (and roll out the update to all users) in time has
rather benign effects; at worst, very recent programs that already rely on new
syscalls will fail with an error the same way they would on a slightly older
kernel that doesn't support them yet. Most importantly, no unintended new ways
of performing dangerous operations will be silently allowed.
Another possible drawback is reduced system call performance due to the larger
filter created by the allowlist requiring more computation [2]. However, this
issue has not convincingly been demonstrated yet in practice, for example in
systemd or various browsers. To the contrary, it has been measured that the the
actual filter constructed here has approximately the same overhead as a very
simple filter blocking only one system call.
This commit tries to keep the behavior as close to unchanged as possible. The
system call list is in line with libseccomp 2.5.5 and glibc 2.39, which are the
latest versions at the point of writing. Since libseccomp 2.5.5 is already a
requirement and the distributions shipping this together with older versions of
glibc are mostly not a thing any more, this should not lead to more build
failures any more.
[0] https://github.com/NixOS/nixpkgs/issues/300635
[1] https://github.com/NixOS/nix/issues/10424
[2] https://github.com/flatpak/flatpak/pull/4462#issuecomment-1061690607
Change-Id: I541be3ea9b249bcceddfed6a5a13ac10b11e16ad
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In f047e4357b4f7ad66c2e476506bf35cab82e441e, I missed the behavior that if
building without a dedicated build user (i.e. in single-user setups), seccomp
setup failures are silently ignored. This was introduced without explanation 7
years ago (ff6becafa8efc2f7e6f2b9b889ba4adf20b8d524). Hopefully the only
use-case nowadays is causing spurious test suite successes when messing up the
seccomp filter during development. Let's try removing it.
Change-Id: Ibe51416d9c7a6dd635c2282990224861adf1ceab
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Musl stdout macro expands¹ to something that isn't a valid identifier,
so we get syntax errors when compiling usage of a method called stdout
with Musl's stdio.h.
[1]: https://git.musl-libc.org/cgit/musl/tree/include/stdio.h?id=ab31e9d6a0fa7c5c408856c89df2dfb12c344039#n67
Change-Id: I10e6f6a49504399bf8edd59c5d9e4e62449469e8
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This is slightly more type safe and is more in line with modern C++.
Change-Id: Ia7a8df1c7788085020d1bdc941d6f9cee356144e
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Error is pretty large, and most goals do not fail. this alone more than
halves the size of Goal on x86_64-linux, from 720 bytes down to 344. in
derived classes the difference is not as dramatic, but even the largest
derived class (`LocalDerivationGoal`) loses almost 20% of its footprint
Change-Id: Ifda8f94c81b6566eeb3e52d55d9796ec40c7bce8
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Change-Id: I3c7f17d5492a16bb54480fa1aa384b96fba72d61
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the goals are either already using std::async and merely forgot to
remove std::thread vestiges or they emulate async with threads and
promises. we can simply use async directly everywhere for clarity.
Change-Id: I3f05098310a25984f10fff1e68c573329002b500
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under owner_less it's equivalent to insert(), only sometimes a little
bit faster because it does not construct a weak_ptr if the goal is in
the set already. this small difference in performance does not matter
here and c++23 will make insert transparent anyway, so we can drop it
Change-Id: I7cbd7d6e0daa95d67145ec58183162f6c4743b15
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this should be an optional. "busy" is not an *exit* code!
Change-Id: Ic231cb27b022312b1a7a7b9602f32845b7a9c934
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Change-Id: Ia3ebd434b17052b6760ce74d8e20025a72148613
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*accidentally* overriding a function is almost guaranteed to be an
error. overriding a function without labeling it as such is merely
bad style, but bad style that makes the code harder to understand.
Change-Id: Ic0594f3d1604ab6b3c1a75cb5facc246effe45f0
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SimpleLogger is not fully thread-safe, and all loggers that wrap it are
also not safe accordingly. this does not affect much, but in rare cases
it can cause interleaving of messages on stderr when used with the json
or raw log formats. the fix applied here is a bit of a hack, but fixing
this properly requires rearchitecting the logger infrastructure. nested
loggers are not the most natural abstraction here, and it is biting us.
Change-Id: Ifbf34fe1e85c60e73b59faee50e7411c7b5e7c12
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If useChroot = false, and user namespaces aren't available for some
reason (e.g. within a Docker container), this fixes a pointless warning
being emitted, as we would never attempt to use them even if they were
available.
Change-Id: Ibcee91c088edd2cd19e70218d5a5802bff8f537b
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(plus one reference to CppNix github)
Change-Id: Id8b3d2897f3b54e286861805cfd421adc4d5de47
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we no longer need these since we're no longer using sinks to serialize things.
Change-Id: Iffb1a3eab33c83f611c88fa4e8beaa8d5ffa079b
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this is cursed. deeply and profoundly cursed. under NO CIRCUMSTANCES
must protocol serializer helpers be applied to temporaries! doing so
will inevitably cause dangling references and cause the entire thing
to crash. we need to do this even so to get rid of boost coroutines,
and likewise to encapsulate the serializers we suffer today at least
a little bit to allow a gradual migration to an actual IPC protocol.
(this isn't a problem that's unique to generators. c++ coroutines in
general cannot safely take references to arbitrary temporaries since
c++ does not have a lifetime system that can make this safe. -sigh-)
Change-Id: I2921ba451e04d86798752d140885d3c5cc08e146
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Change-Id: Ifa783c2c65c06ddd1d0212016d5bfd07666ea91c
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upcast_goal was only ever needed to break circular includes, but the
same solution that gave us upcast_goal also lets us fully remove it:
just upcast goals without a wrapper function, but only in .cc files.
Change-Id: I9c71654b2535121459ba7dcfd6c5da5606904032
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the rewriting sink was just broken. when given a rewrite set that
contained a key that is also a proper infix of another key it was
possible to produce an incorrectly rewritten result if the writer
used the wrong block size. fixing this duplicates rewriteStrings,
to avoid this we'll rewrite rewriteStrings to use RewritingSource
in a new mode that'll allow rewrites we had previously forbidden.
Change-Id: I57fa0a9a994e654e11d07172b8e31d15f0b7e8c0
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This rather simple function existed just to check some flags,
but the response varies by platform. This is a perfect case for
our subclasses.
Change-Id: Ieb1732a8d024019236e0d0028ad843a24ec3dc59
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Change-Id: I5878007502fa68c2816a0f4c61f7d0e60bdde702
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this much more closely mimics what is actually happening: we're reading
data from somewhere else, actively, rather than passively waiting. with
the data flow matching the underlying system interactions better we can
remove a few sinkToSource calls that merely exists to undo the mismatch
caused by not treating subprocess output as a data source to begin with
Change-Id: If4abfc2f8398fb5e88c9b91a8bdefd5504bb2d11
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this will let us also return a source for the program output later,
which will in turn make sinkToSource unnecessary for program output
processing. this may also reopen a path for provigin program input,
but that still needs a proper async io framework to avoid problems.
Change-Id: Iaf93f47db99c38cfaf134bd60ed6a804d7ddf688
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Change-Id: I5f92b15fd367d46eb047d74ab6e317b4f51a46d3
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Change-Id: Ic4cf5562504aa29130304469936f958c0426e5ef
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Add a platform-specific function for starting sandboxed child.
Generally this just means startProcess, but on Linux we use flags
for clone to start a new namespace
Change-Id: I41c8aba62676a162388bbe5ab8a7518904c7b058
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Add a new OS-specific hook called `prepareSandbox`, run before forking
On Darwin this is empty as nothing is required,
on Linux this creates the chroot directory and adds basic files,
and on platforms using a fallback this throws an exception
Change-Id: Ie30c38c387f2e0e5844b2afa32fd4d33b1180dae
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This is a shameless layering violation in favour of UX. It falls back
trivially to "unknown", so it's purely a UX feature.
Diagnostic sample:
```
error: hash mismatch in fixed-output derivation '/nix/store/sjfw324j4533lwnpmr5z4icpb85r63ai-x1.drv':
likely URL: https://meow.puppy.forge/puppy.tar.gz
specified: sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
got: sha256-a1Qvp3FOOkWpL9kFHgugU1ok5UtRPSu+NwCZKbbaEro=
```
Change-Id: I873eedcf7984ab23f57a6754be00232b5cb5b02c
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This is a squash of upstream PRs #10303, #10312 and #10883.
fix: Treat empty TMPDIR as unset
Fixes an instance of
nix: src/libutil/util.cc:139: nix::Path nix::canonPath(PathView, bool): Assertion `path != ""' failed.
... which I've been getting in one of my shells for some reason.
I have yet to find out why TMPDIR was empty, but it's no reason for
Nix to break.
(cherry picked from commit c3fb2aa1f9d1fa756dac38d3588c836c5a5395dc)
fix: Treat empty XDG_RUNTIME_DIR as unset
See preceding commit. Not observed in the wild, but is sensible
and consistent with TMPDIR behavior.
(cherry picked from commit b9e7f5aa2df3f0e223f5c44b8089cbf9b81be691)
local-derivation-goal.cc: Reuse defaultTempDir()
(cherry picked from commit fd31945742710984de22805ee8d97fbd83c3f8eb)
fix: remove usage of XDG_RUNTIME_DIR for TMP
(cherry picked from commit 1363f51bcb24ab9948b7b5093490a009947f7453)
tests/functional: Add count()
(cherry picked from commit 6221770c9de4d28137206bdcd1a67eea12e1e499)
Remove uncalled for message
(cherry picked from commit b1fe388d33530f0157dcf9f461348b61eda13228)
Add build-dir setting
(cherry picked from commit 8b16cced18925aa612049d08d5e78eccbf0530e4)
Change-Id: Ic7b75ff0b6a3b19e50a4ac8ff2d70f15c683c16a
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Change-Id: Icc8a15090c77f54ea7d9220aadedcd4a19922814
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copy-constructing or assigning from pid_t can easily lead to duplicate
Pid instances for the same process if a pid_t was used carelessly, and
Pid itself was copy-constructible. both could cause surprising results
such as killing processes twice (which could become very problemantic,
but luckily modern systems don't reuse PIDs all that quickly), or more
than one piece of the code believing it owns a process when neither do
Change-Id: Ifea7445f84200b34c1a1d0acc2cdffe0f01e20c6
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Change-Id: I3137cc140590001fe7ba542844e735944a0a9255
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this is only used in one place, and only to set a nicer error message on
EndOfFile. the only caller that actually *catches* this exception should
provide an error message in that catch block rather than forcing support
for setting error message so deep into the stack. copyStorePath is never
called outside of PathSubstitutionGoal anyway, which catches everything.
Change-Id: Ifbae8706d781c388737706faf4c8a8b7917ca278
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LocalDerivationGoal includes a large number of low-level sandboxing
primitives for Darwin and Linux, intermingled with ifdefs.
Start creating platform-specific classes to make it easier to add new
platforms and review platform-specific code.
This change only creates support infrastructure and moves two function,
more functions will be moved in future changes.
Change-Id: I9fc29fa2a7345107d4fc96c46fa90b4eabf6bb89
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This comes quite often when the available job slots on all remote
builders are exhausted and this is pretty spammy.
This isn't really an issue, but expected behavior.
A better way to display this is a nom-like approach where all scheduled
builds are shown in a tree and pending builds are being marked as such
IMHO.
Change-Id: I6bc14e6054f84e3eb0768127b490e263d8cdcf89
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don't consume a sink, return a source instead. the only reason to not do
this is a very slight reduction in dynamic allocations, but since we are
going to *at least* do disk io that will not be a lot of overhead anyway
Change-Id: Iae2f879ec64c3c3ac1d5310eeb6a85e696d4614a
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This happened during a PathSubstitutionGoal of a .drv file:
substitution of '/tmp/jade/nix-test/ca/eval-store/store/1lj7lsq5y0f25mfbnq6d3zd0bw5ay33n-dependencies-input-2.drv'
What happened here is that since PathSubstitutionGoal is not a
DerivationGoal, in production builds, the UB was not caught, since it
would early-exit from failing a dynamic_cast to DerivationGoal * on the
very next line, but before the null reference was ever used.
This was nonetheless UB. The fix should be to just rearrange the two
lines; I don't think there is a further bug there, since *substituting a
.drv* **necessarily** means you cannot have the representation of
the derivation as would be necessary for drv to not be null there.
Test failure:
++(eval-store.sh:12) _RR_TRACE_DIR=/home/jade/.local/share/rr rr record -- nix build -f dependencies.nix --eval-store /tmp/jade/nix-test/ca/eval-store/eval-store -o /tmp/jade/nix-test/ca/eval-store/result
don't know how to build these paths:
/tmp/jade/nix-test/ca/eval-store/store/6y51mf0p57ggipgab6hdjabbvplzsicq-dependencies-top.drv
copying 1 paths...
copying path '/tmp/jade/nix-test/ca/eval-store/store/8027afyvqb87y1sf5xhdkqsflqn1ziy8-dependencies.builder0.sh' to 'local'...
copying 1 paths...
copying path '/tmp/jade/nix-test/ca/eval-store/store/7r5pqyncvfgrryf9gzy1z56z3xigi61x-builder-dependencies-input-0.sh' to 'local'...
copying 1 paths...
copying path '/tmp/jade/nix-test/ca/eval-store/store/nhmgm87zlqy3ks96dxrn7l37b72azi99-builder-dependencies-input-1.sh' to 'local'...
copying 1 paths...
copying path '/tmp/jade/nix-test/ca/eval-store/store/nq4qa2j6y8ajqazlfq6h46ck637my1n6-builder-dependencies-input-2.sh' to 'local'...
copying 1 paths...
copying path '/tmp/jade/nix-test/ca/eval-store/store/6vh0vna9l5afck01y7iaks3hm9ikwqyj-builder-fod-input.sh' to 'local'...
building '/tmp/jade/nix-test/ca/eval-store/store/gy91pqymf2nc5v7ld1bad94xpwxdi25s-dependencies-input-0.drv'...
building '/tmp/jade/nix-test/ca/eval-store/store/w7wlkjx97ivmnrymkac5av3nyp94hzvq-dependencies-input-1.drv'...
../src/libstore/build/derivation-goal.cc:1556:22: runtime error: reference binding to null pointer of type 'Derivation'
0 0x734ba59a6886 in nix::DerivationGoal::waiteeDone(std::shared_ptr<nix::Goal>, nix::Goal::ExitCode) /home/jade/lix/lix2/build/src/libstore/build/derivation-goal.cc:1556:12
1 0x734ba59c0962 in nix::Goal::amDone(nix::Goal::ExitCode, std::optional<nix::Error>) /home/jade/lix/lix2/build/src/libstore/build/goal.cc:95:25
2 0x734ba5a1c44a in nix::PathSubstitutionGoal::done(nix::Goal::ExitCode, nix::BuildResult::Status, std::optional<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>>) /home/jade/lix/lix2/build/src/libstore/build/substitution-goal.cc:38:5
3 0x734ba5a1b454 in nix::PathSubstitutionGoal::init() /home/jade/lix/lix2/build/src/libstore/build/substitution-goal.cc:56:9
4 0x734ba5a2a6c6 in nix::Worker::run(std::set<std::shared_ptr<nix::Goal>, nix::CompareGoalPtrs, std::allocator<std::shared_ptr<nix::Goal>>> const&) /home/jade/lix/lix2/build/src/libstore/build/worker.cc:320:23
5 0x734ba59b93d8 in nix::Store::buildPathsWithResults(std::vector<nix::DerivedPath, std::allocator<nix::DerivedPath>> const&, nix::BuildMode, std::shared_ptr<nix::Store>) /home/jade/lix/lix2/build/src/libstore/build/entry-points.cc:60:12
6 0x734ba663c107 in nix::Installable::build2(nix::ref<nix::Store>, nix::ref<nix::Store>, nix::Realise, std::vector<nix::ref<nix::Installable>, std::allocator<nix::ref<nix::Installable>>> const&, nix::BuildMode) /home/jade/lix/lix2/build/src/libcmd/installables.cc:637:36
Change-Id: Id0e651e480bebf6356733b01bc639e9bb59c7bd0
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In b469c6509ba616da6df8a27e4ccb205a877c66c9, the ca-certificates file was
missed. It should be copied too so that we don't end up bind-mounting a broken
symlink.
Change-Id: Ic9b292d602eb94b0e78f77f2a27a19d24665783c
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I saw that boost/lexical_cast was costing about 100s in CPU time on our
compiles. We can fix this trivially by doing explicit template
instantiation in exactly one place and eliminating all other includes of
it, which is a code improvement anyway by hiding the boost.
Before:
```
lix/lix2 » ClangBuildAnalyzer --analyze buildtimeold.bin
Analyzing build trace from 'buildtimeold.bin'...
**** Time summary:
Compilation (551 times):
Parsing (frontend): 1465.3 s
Codegen & opts (backend): 1110.9 s
<snip>
**** Expensive headers:
178153 ms: ../src/libcmd/installable-value.hh (included 52 times, avg 3426 ms), included via:
40x: command.hh
5x: command-installable-value.hh
3x: installable-flake.hh
2x: <direct include>
2x: installable-attr-path.hh
176217 ms: ../src/libutil/error.hh (included 246 times, avg 716 ms), included via:
36x: command.hh installable-value.hh installables.hh derived-path.hh config.hh experimental-features.hh
12x: globals.hh config.hh experimental-features.hh
11x: file-system.hh file-descriptor.hh
6x: serialise.hh strings.hh
6x: <direct include>
6x: archive.hh serialise.hh strings.hh
...
173243 ms: ../src/libstore/store-api.hh (included 152 times, avg 1139 ms), included via:
55x: <direct include>
39x: command.hh installable-value.hh installables.hh
7x: libexpr.hh
4x: local-store.hh
4x: command-installable-value.hh installable-value.hh installables.hh
3x: binary-cache-store.hh
...
170482 ms: ../src/libutil/serialise.hh (included 201 times, avg 848 ms), included via:
37x: command.hh installable-value.hh installables.hh built-path.hh realisation.hh hash.hh
14x: store-api.hh nar-info.hh hash.hh
11x: <direct include>
7x: primops.hh eval.hh attr-set.hh nixexpr.hh value.hh source-path.hh archive.hh
7x: libexpr.hh value.hh source-path.hh archive.hh
6x: fetchers.hh hash.hh
...
169397 ms: ../src/libcmd/installables.hh (included 53 times, avg 3196 ms), included via:
40x: command.hh installable-value.hh
5x: command-installable-value.hh installable-value.hh
3x: installable-flake.hh installable-value.hh
2x: <direct include>
1x: installable-derived-path.hh
1x: installable-value.hh
...
159740 ms: ../src/libutil/strings.hh (included 221 times, avg 722 ms), included via:
37x: command.hh installable-value.hh installables.hh built-path.hh realisation.hh hash.hh serialise.hh
19x: <direct include>
14x: store-api.hh nar-info.hh hash.hh serialise.hh
11x: serialise.hh
7x: primops.hh eval.hh attr-set.hh nixexpr.hh value.hh source-path.hh archive.hh serialise.hh
7x: libexpr.hh value.hh source-path.hh archive.hh serialise.hh
...
156796 ms: ../src/libcmd/command.hh (included 51 times, avg 3074 ms), included via:
42x: <direct include>
7x: command-installable-value.hh
2x: installable-attr-path.hh
150392 ms: ../src/libutil/types.hh (included 251 times, avg 599 ms), included via:
36x: command.hh installable-value.hh installables.hh path.hh
11x: file-system.hh
10x: globals.hh
6x: fetchers.hh
6x: serialise.hh strings.hh error.hh
5x: archive.hh
...
133101 ms: /nix/store/644b90j1vms44nr18yw3520pzkrg4dd1-boost-1.81.0-dev/include/boost/lexical_cast.hpp (included 226 times, avg 588 ms), included via
:
37x: command.hh installable-value.hh installables.hh built-path.hh realisation.hh hash.hh serialise.hh strings.hh
19x: file-system.hh
11x: store-api.hh nar-info.hh hash.hh serialise.hh strings.hh
7x: primops.hh eval.hh attr-set.hh nixexpr.hh value.hh source-path.hh archive.hh serialise.hh strings.hh
7x: libexpr.hh value.hh source-path.hh archive.hh serialise.hh strings.hh
6x: eval.hh attr-set.hh nixexpr.hh value.hh source-path.hh archive.hh serialise.hh strings.hh
...
132887 ms: /nix/store/h2abv2l8irqj942i5rq9wbrj42kbsh5y-gcc-12.3.0/include/c++/12.3.0/memory (included 262 times, avg 507 ms), included via:
36x: command.hh installable-value.hh installables.hh path.hh types.hh ref.hh
16x: gtest.h
11x: file-system.hh types.hh ref.hh
10x: globals.hh types.hh ref.hh
10x: json.hpp
6x: serialise.hh
...
done in 0.6s.
```
After:
```
lix/lix2 » maintainers/buildtime_report.sh build
Processing all files and saving to '/home/jade/lix/lix2/maintainers/../buildtime.bin'...
done in 0.6s. Run 'ClangBuildAnalyzer --analyze /home/jade/lix/lix2/maintainers/../buildtime.bin' to analyze it.
Analyzing build trace from '/home/jade/lix/lix2/maintainers/../buildtime.bin'...
**** Time summary:
Compilation (551 times):
Parsing (frontend): 1302.1 s
Codegen & opts (backend): 956.3 s
<snip>
**** Expensive headers:
178145 ms: ../src/libutil/error.hh (included 246 times, avg 724 ms), included via:
36x: command.hh installable-value.hh installables.hh derived-path.hh config.hh experimental-features.hh
12x: globals.hh config.hh experimental-features.hh
11x: file-system.hh file-descriptor.hh
6x: <direct include>
6x: serialise.hh strings.hh
6x: fetchers.hh hash.hh serialise.hh strings.hh
...
154043 ms: ../src/libcmd/installable-value.hh (included 52 times, avg 2962 ms), included via:
40x: command.hh
5x: command-installable-value.hh
3x: installable-flake.hh
2x: <direct include>
2x: installable-attr-path.hh
153593 ms: ../src/libstore/store-api.hh (included 152 times, avg 1010 ms), included via:
55x: <direct include>
39x: command.hh installable-value.hh installables.hh
7x: libexpr.hh
4x: local-store.hh
4x: command-installable-value.hh installable-value.hh installables.hh
3x: binary-cache-store.hh
...
149948 ms: ../src/libutil/types.hh (included 251 times, avg 597 ms), included via:
36x: command.hh installable-value.hh installables.hh path.hh
11x: file-system.hh
10x: globals.hh
6x: fetchers.hh
6x: serialise.hh strings.hh error.hh
5x: archive.hh
...
144560 ms: ../src/libcmd/installables.hh (included 53 times, avg 2727 ms), included via:
40x: command.hh installable-value.hh
5x: command-installable-value.hh installable-value.hh
3x: installable-flake.hh installable-value.hh
2x: <direct include>
1x: installable-value.hh
1x: installable-derived-path.hh
...
136585 ms: ../src/libcmd/command.hh (included 51 times, avg 2678 ms), included via:
42x: <direct include>
7x: command-installable-value.hh
2x: installable-attr-path.hh
133394 ms: /nix/store/h2abv2l8irqj942i5rq9wbrj42kbsh5y-gcc-12.3.0/include/c++/12.3.0/memory (included 262 times, avg 509 ms), included via:
36x: command.hh installable-value.hh installables.hh path.hh types.hh ref.hh
16x: gtest.h
11x: file-system.hh types.hh ref.hh
10x: globals.hh types.hh ref.hh
10x: json.hpp
6x: serialise.hh
...
89315 ms: ../src/libstore/derived-path.hh (included 178 times, avg 501 ms), included via:
37x: command.hh installable-value.hh installables.hh
25x: store-api.hh realisation.hh
7x: primops.hh eval.hh attr-set.hh nixexpr.hh value.hh context.hh
6x: eval.hh attr-set.hh nixexpr.hh value.hh context.hh
6x: libexpr.hh value.hh context.hh
6x: shared.hh
...
87347 ms: /nix/store/h2abv2l8irqj942i5rq9wbrj42kbsh5y-gcc-12.3.0/include/c++/12.3.0/ostream (included 273 times, avg 319 ms), included via:
35x: command.hh installable-value.hh installables.hh path.hh types.hh ref.hh memory unique_ptr.h
12x: regex sstream istream
10x: file-system.hh types.hh ref.hh memory unique_ptr.h
10x: gtest.h memory unique_ptr.h
10x: globals.hh types.hh ref.hh memory unique_ptr.h
6x: fetchers.hh types.hh ref.hh memory unique_ptr.h
...
85249 ms: ../src/libutil/config.hh (included 213 times, avg 400 ms), included via:
37x: command.hh installable-value.hh installables.hh derived-path.hh
20x: globals.hh
20x: logging.hh
16x: store-api.hh logging.hh
6x: <direct include>
6x: eval.hh attr-set.hh nixexpr.hh value.hh context.hh derived-path.hh
...
done in 0.5s.
```
Change-Id: I27f0a2d566db17832cd9be935f12efe7f95b92d0
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Change-Id: Ic1f68e6af658e94ef7922841dd3ad4c69551ef56
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Change-Id: I74565fbfd3aeedef8f50465808fac712b84e47ad
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Change-Id: I3f9a628e0f8998b6146f5caa8ae9842361a66b8b
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Change-Id: Iec4824e071f537b17dd62dbb8c01b8eec14e9783
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Change-Id: I77095b9d37e85310075bada7a076ccd482c28e47
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Change-Id: I39280dc40ca3f7f9007bc6c898ffcf760e2238b7
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