process: implement Darwin IOCounters via proc_pid_rusage - #2117
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Thank you for your contribution! Layout, flavor constant and the unix.EPERM/unix.ESRCH mapping on error handling all look right — merging as-is.
Heads-up that I'll follow up before the next release:
ReadBytes/WriteByteswill go back to 0 on Darwin. On Linux they mean "all I/O incl. cache" (rchar), unlikeDiskReadBytes(read_bytes), so filling both from the same figure changes the field's meaning per platform. YourDiskReadBytes/DiskWriteBytesstay as-is.errnohandling and the per-callDlopen/Dlclose— both inherited fromCwdWithContext, not introduced by this PR. The latter is the same pattern we already fixed for IOKit/CoreFoundation in #1832; libSystem never got it.
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Read errno through __error() resolved before the libc call, so that the dlsym and allocation performed by symbol resolution cannot overwrite it first. Apply the same to CwdWithContext, which additionally read errno without checking for failure and could surface a stale EPERM. Share dlopen handles process-wide instead of opening and closing them per call, completing for libSystem what shirou#1832 did for IOKit and CoreFoundation. Stop populating ReadBytes/WriteBytes on darwin, which shirou#2117 filled with the disk figures. They mean all I/O including cache on other platforms, so reusing the disk value there would silently change what the field means depending on the platform.
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…p ci] Bumps the go-modules group in /e2e-go with 2 updates: [github.com/moby/go-archive](https://github.com/moby/go-archive) and [github.com/shirou/gopsutil/v4](https://github.com/shirou/gopsutil). Updates `github.com/moby/go-archive` from 0.2.1 to 0.3.2 Release notes *Sourced from [github.com/moby/go-archive's releases](https://github.com/moby/go-archive/releases).* > v0.3.2 > ------ > > What's Changed > -------------- > > Fix a regression introduced in v0.3.0 that caused archive extraction to fail when paths traversed absolute symlinks inside the destination root, such as `var/run -> /run`. Absolute symlink targets are now resolved relative to the extraction root while relative symlink escapes remain rejected. [moby/go-archive#93](https://redirect.github.com/moby/go-archive/pull/93) > > **Full Changelog**: <moby/go-archive@v0.3.1...v0.3.2> > > v0.3.1 > ------ > > Fixes > ----- > > This patch release fixes a regression introduced in v0.2.1 where archive extraction could fail when an archive omitted explicit entries for parent directories. For example, extracting `etc/dnf/` without a preceding `etc/` entry could return `mkdirat etc/dnf: no such file or directory`. > > This prevented affected images from being extracted. Archive extraction now creates implied parent directories for both file and directory entries. > > What's Changed > -------------- > > * archive: create implied parents for directory entries [moby/go-archive#92](https://redirect.github.com/moby/go-archive/pull/92) > * archive: Tarballer.Go: suppress io.ErrClosedPipe logs on close [moby/go-archive#94](https://redirect.github.com/moby/go-archive/pull/94) > > **Full Changelog**: <moby/go-archive@v0.3.0...v0.3.1> > > v0.3.0 > ------ > > Security > -------- > > This release fixes **CVE-2026-17106** / **[GHSA-hfg8-hc9c-6c3h](https://github.com/moby/go-archive/security/advisories/GHSA-hfg8-hc9c-6c3h)**, where a crafted tar archive could use links to cause extraction operations to create or overwrite files outside the intended destination directory. > > The issue affected `Unpack`, `UnpackLayer`, `Untar`, `UntarUncompressed`, and the `ApplyLayer` helpers. Users should upgrade and avoid extracting untrusted archives with earlier versions. > > What's Changed > -------------- > > * archive: harden tar extraction against path traversal [moby/go-archive#45](https://redirect.github.com/moby/go-archive/pull/45) > * archive: do not follow reparse points in chtimes [moby/go-archive#90](https://redirect.github.com/moby/go-archive/pull/90) > * archive: fix creation time updates on Windows [moby/go-archive#79](https://redirect.github.com/moby/go-archive/pull/79) > * archive: minor cleanups and godoc touch-up [moby/go-archive#87](https://redirect.github.com/moby/go-archive/pull/87) > * archive: RebaseArchiveEntries: fix archive path rebasing [moby/go-archive#43](https://redirect.github.com/moby/go-archive/pull/43) > > Test and CI changes > ------------------- > > * ci: enable dependabot for actions [moby/go-archive#81](https://redirect.github.com/moby/go-archive/pull/81) > * archive: make breakoutErr unwrap its cause [moby/go-archive#91](https://redirect.github.com/moby/go-archive/pull/91) > * archive: use filepath for filesystem paths in tests [moby/go-archive#80](https://redirect.github.com/moby/go-archive/pull/80) > * archive: use filepath for filesystem paths in tests [moby/go-archive#80](https://redirect.github.com/moby/go-archive/pull/80) > > **Full Changelog**: <moby/go-archive@v0.2.1...v0.3.0> Commits * [`9e6d2c7`](moby/go-archive@9e6d2c7) Merge pull request [#93](https://redirect.github.com/moby/go-archive/issues/93) from thaJeztah/fix\_absolute\_symlinks * [`4f6cd58`](moby/go-archive@4f6cd58) archive: resolve hardlinks through absolute symlinks * [`e564ecc`](moby/go-archive@e564ecc) archive: resolve absolute symlinks within extraction root * [`5bb8a45`](moby/go-archive@5bb8a45) Merge pull request [#94](https://redirect.github.com/moby/go-archive/issues/94) from thaJeztah/denoise * [`1bec7ec`](moby/go-archive@1bec7ec) archive: Tarballer.Go: suppress io.ErrClosedPipe logs on close * [`279fa6d`](moby/go-archive@279fa6d) Merge pull request [#92](https://redirect.github.com/moby/go-archive/issues/92) from thaJeztah/fix\_implied\_directories * [`517985a`](moby/go-archive@517985a) archive: create implied parents for directory entries * [`1c23372`](moby/go-archive@1c23372) Merge pull request [#43](https://redirect.github.com/moby/go-archive/issues/43) from thaJeztah/fix\_rebase\_from\_root * [`8829a25`](moby/go-archive@8829a25) RebaseArchiveEntries: fix archive path rebasing * [`c583b20`](moby/go-archive@c583b20) Merge pull request [#90](https://redirect.github.com/moby/go-archive/issues/90) from thaJeztah/chtimes\_nofollow * Additional commits viewable in [compare view](moby/go-archive@v0.2.1...v0.3.2) Updates `github.com/shirou/gopsutil/v4` from 4.26.6 to 4.26.7 Release notes *Sourced from [github.com/shirou/gopsutil/v4's releases](https://github.com/shirou/gopsutil/releases).* > v4.26.7 > ------- > > What's Changed > -------------- > > ### cpu > > * fix: harden parsers against malformed/truncated input by [`@shirou`](https://github.com/shirou) in [shirou/gopsutil#2109](https://redirect.github.com/shirou/gopsutil/pull/2109) > * [cpu][windows]: compute cpu-total times from integer ticks by [`@skartikey`](https://github.com/skartikey) in [shirou/gopsutil#2111](https://redirect.github.com/shirou/gopsutil/pull/2111) > * [darwin][process]: fix errno handling and library lifetime on darwin by [`@shirou`](https://github.com/shirou) in [shirou/gopsutil#2119](https://redirect.github.com/shirou/gopsutil/pull/2119) > * [cpu][windows]: compute total counters from individual stats to handle processor groups correctly by [`@srebhan`](https://github.com/srebhan) in [shirou/gopsutil#2125](https://redirect.github.com/shirou/gopsutil/pull/2125) > * [cpu][windows]: harden the cpu-total computation added in [#2125](https://redirect.github.com/shirou/gopsutil/issues/2125) by [`@shirou`](https://github.com/shirou) in [shirou/gopsutil#2128](https://redirect.github.com/shirou/gopsutil/pull/2128) > > ### net > > * fix(net): pad GetExtendedTcpTable buffer to prevent GC thrashing on Windows by [`@HarshalPatel1972`](https://github.com/HarshalPatel1972) in [shirou/gopsutil#2108](https://redirect.github.com/shirou/gopsutil/pull/2108) > > ### process > > * process: implement Darwin IOCounters via proc\_pid\_rusage by [`@DavRack`](https://github.com/DavRack) in [shirou/gopsutil#2117](https://redirect.github.com/shirou/gopsutil/pull/2117) > > ### other > > * feat: add psutil comparison tests for cpu, mem and load by [`@shirou`](https://github.com/shirou) in [shirou/gopsutil#2114](https://redirect.github.com/shirou/gopsutil/pull/2114) > > New Contributors > ---------------- > > * [`@DavRack`](https://github.com/DavRack) made their first contribution in [shirou/gopsutil#2117](https://redirect.github.com/shirou/gopsutil/pull/2117) > * [`@srebhan`](https://github.com/srebhan) made their first contribution in [shirou/gopsutil#2125](https://redirect.github.com/shirou/gopsutil/pull/2125) > > **Full Changelog**: <shirou/gopsutil@v4.26.6...v4.26.7> Commits * [`52a24c8`](shirou/gopsutil@52a24c8) Merge pull request [#2128](https://redirect.github.com/shirou/gopsutil/issues/2128) from shirou/feat/follow-up-2125 * [`268a953`](shirou/gopsutil@268a953) [cpu][windows]: harden the cpu-total computation added in [#2125](https://redirect.github.com/shirou/gopsutil/issues/2125) * [`1e34da6`](shirou/gopsutil@1e34da6) Merge pull request [#2125](https://redirect.github.com/shirou/gopsutil/issues/2125) from srebhan/fix\_cpu\_windows\_total * [`61f8802`](shirou/gopsutil@61f8802) Merge pull request [#2122](https://redirect.github.com/shirou/gopsutil/issues/2122) from shirou/dependabot/github\_actions/actions/checko... * [`7fb4dcf`](shirou/gopsutil@7fb4dcf) Merge pull request [#2123](https://redirect.github.com/shirou/gopsutil/issues/2123) from shirou/dependabot/github\_actions/actions/setup-... * [`ae7d91a`](shirou/gopsutil@ae7d91a) Merge pull request [#2119](https://redirect.github.com/shirou/gopsutil/issues/2119) from shirou/fix/darwin-errno-and-libcache * [`49052a1`](shirou/gopsutil@49052a1) [darwin][process]: use a PID above PID\_MAX in the not-running tests * [`991b238`](shirou/gopsutil@991b238) [darwin]: pass the remaining Go pointers as unsafe.Pointer on darwin * [`b9930e2`](shirou/gopsutil@b9930e2) Merge pull request [#2124](https://redirect.github.com/shirou/gopsutil/issues/2124) from shirou/dependabot/github\_actions/actions/labele... * [`38a01b4`](shirou/gopsutil@38a01b4) [cpu][windows]: compute total counters from individual stats to handle proces... * Additional commits viewable in [compare view](shirou/gopsutil@v4.26.6...v4.26.7) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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Summary
process.IOCounters()on Darwin usingproc_pid_rusage(RUSAGE_INFO_V2)fromlibSystemSystemLibbindings forproc_pid_rusageand thread-local errno via__error()ReadBytes/WriteBytes) anddisk-specific (
DiskReadBytes/DiskWriteBytes) fieldsEPERMtoErrorNotPermittedandESRCHtoErrorProcessNotRunningIOCountersStatdocs and the README platform matrix for macOSio_countersNotes:
ReadCount/WriteCountremain0ErrorNotPermittedwithout elevated privileges