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Profile: Add specifying dir for take_heap_snapshot and handling if current dir is unwritable #50476

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merged 3 commits into from
Jul 11, 2023

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@IanButterworth IanButterworth commented Jul 8, 2023

Replaces #50443
Reverts #50026 which changed the default to always use tempdir

Implements the idea here #50026 (comment)

  • If the current dir is unwritable saves to tempdir() with a maxlog=1 warning
  • Adds dir kwarg to override the directory the named file is saved to
shell> cd unwritable/
/Users/ian/Documents/GitHub/julia/unwritable

julia> Profile.take_heap_snapshot()
┌ Warning: Cannot write to current directory `/Users/ian/Documents/GitHub/julia/unwritable` so saving heap snapshot to `tempdir()`
└ @ Profile ~/Documents/GitHub/julia/usr/share/julia/stdlib/v1.11/Profile/src/Profile.jl:1247
"/var/folders/1z/jf841bdj73bdj3vk7kc7f_3w0000gn/T/31236_782350876174583.heapsnapshot"

shell> cd ..
/Users/ian/Documents/GitHub/julia

julia> Profile.take_heap_snapshot()
"/Users/ian/Documents/GitHub/julia/31236_782356649496041.heapsnapshot"

julia> Profile.take_heap_snapshot(dir = "~/Documents")
"/Users/ian/Documents/31236_782363162146916.heapsnapshot"

julia> Profile.take_heap_snapshot("/Users/ian/Documents/mysnap.snapshot")
"/Users/ian/Documents/mysnap.snapshot"

fyi @kpamnany @NHDaly @adnan-alhomssi @vchuravy

Co-authored-by: Valentin Churavy <vchuravy@users.noreply.github.com>
@IanButterworth IanButterworth merged commit 0f6bfd6 into JuliaLang:master Jul 11, 2023
@IanButterworth IanButterworth deleted the ib/heap_snapshot_fix branch July 11, 2023 12:33
@vchuravy vchuravy added the backport 1.10 Change should be backported to the 1.10 release label Jul 11, 2023
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Whoops, needs tests. I'll followup

@IanButterworth IanButterworth added the needs tests Unit tests are required for this change label Jul 11, 2023
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@NHDaly NHDaly left a comment

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Perfect. Thank you for taking this on, @IanButterworth! 👍 👍 LGTM too. Much appreciated

KristofferC pushed a commit that referenced this pull request Jul 17, 2023
…current dir is unwritable (#50476)

Co-authored-by: Valentin Churavy <vchuravy@users.noreply.github.com>
(cherry picked from commit 0f6bfd6)
KristofferC added a commit that referenced this pull request Jul 24, 2023
Backported PRs:
- [x] #50411 <!-- Fix weird dispatch of * with zero arguments -->
- [x] #50202 <!-- Remove dynamic dispatch from _wait/wait2 -->
- [x] #50064 <!-- Fix numbered prompt with input only with comment -->
- [x] #50026 <!-- Store heapsnapshot files in tempdir() instead of
current directory -->
- [x] #50402 <!-- Add CPU feature helper function -->
- [x] #50387 <!-- update newpages pointer after actually sweeping pages
-->
- [x] #50424 <!-- avoid potential type-instability in _replace_(str,
...) -->
- [x] #50444 <!-- Optimize getfield lowering to avoid boxing in some
cases -->
- [x] #50474 <!-- docs: Fix a `!!! note` which was miscapitalized -->
- [x] #50466 <!-- relax assertion involving pg->nold to reflect that it
may be a bit in… -->
- [x] #50490 <!-- Fix compat annotation for italic printstyled -->
- [x] #50488 <!-- fix typo in `Base.isassigned` with `Tridiagonal` -->
- [x] #50476 <!-- Profile: Add specifying dir for `take_heap_snapshot`
and handling if current dir is unwritable -->
- [x] #50461 <!-- fix typo in the --gcthreads argument description -->
- [x] #50528 <!-- ssair: Correctly handle stmt insertion at end of basic
block -->
- [x] #50533 <!-- ensure internal_obj_base_ptr checks whether objects
past freelist pointer are in freelist -->
- [x] #49322 <!-- improve cat design / performance -->
- [x] #50540 <!-- gc: remove over-eager assertion -->
- [x] #50542 <!-- gf: remove unnecessary assert cycle==depth -->
- [x] #50559 <!-- Expand kwcall lowering positional default check to
vararg -->
- [x] #50058 <!-- Add unwrapping mechanism for triangular mul and solves
-->
- [x] #50551 <!-- typeintersect: also record chained `innervars` -->
- [x] #50552 <!-- read(io, Char): fix read with too many leading ones
-->
- [x] #50541 <!-- precompile: ensure globals are not accidentally
created where disallowed -->
- [x] #50576 <!-- use atomic compare exchange when setting the GC
mark-bit -->
- [x] #50578 <!-- gf: make method overwrite/delete an error during
precompile -->
- [x] #50516 <!-- Fix visibility of assert on GCC12/13 -->
- [x] #50597 <!-- Fix memory corruption if task is launched inside
finalizer -->
- [x] #50591 <!-- build: fix various makefile bugs -->
- [x] #50599 <!-- faster invalid object lookup in conservative gc -->
- [x] #50634 <!-- 🤖 [master] Bump the SparseArrays stdlib from b4b0e72
to 99c99b4 -->
- [x] #50639 <!-- Backport LLVM patches to fix various issues. -->
- [x] #50546 <!-- Revert storage of method instance in LineInfoNode -->
- [x] #50631 <!-- Shift DCE pass to optimize imaging mode code better
-->
- [x] #50525 <!-- only check that values are finite in `generic_lufact`
when `check=true` -->
- [x] #50587 <!-- isassigned for ranges with BigInt indices -->
- [x] #50144 <!-- Page based heap size heuristics -->


Need manual backport:
- [ ] #50595 <!-- Rename ENV variable `JULIA_USE_NEW_PARSER` ->
`JULIA_USE_FLISP_PARSER` -->



Non-merged PRs with backport label:
- [ ] #50637 <!-- Remove SparseArrays legacy code -->
- [ ] #50618 <!-- inference: continue const-prop' when concrete-eval
returns non-inlineable -->
- [ ] #50598 <!-- only limit types in stack traces in the REPL -->
- [ ] #50594 <!-- Disallow non-index Integer types in isassigned -->
- [ ] #50568 <!-- `Array(::AbstractRange)` should return an `Array` -->
- [ ] #50523 <!-- Avoid generic call in most cases for getproperty -->
- [ ] #50172 <!-- print feature flags used for matching pkgimage -->
@KristofferC KristofferC removed the backport 1.10 Change should be backported to the 1.10 release label Jul 24, 2023
adnan-alhomssi pushed a commit to RelationalAI/julia that referenced this pull request Aug 13, 2023
…current dir is unwritable (JuliaLang#50476)

Co-authored-by: Valentin Churavy <vchuravy@users.noreply.github.com>
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4 participants