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stdlib/Profile test failure (no samples collected) #29880

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c42f opened this issue Nov 1, 2018 · 2 comments · Fixed by #32933
Closed

stdlib/Profile test failure (no samples collected) #29880

c42f opened this issue Nov 1, 2018 · 2 comments · Fixed by #32933
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test This change adds or pertains to unit tests

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@c42f
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c42f commented Nov 1, 2018

I just got an odd failure in the Profiler tests on the 32 bit windows CI build at https://ci.appveyor.com/project/JuliaLang/julia/builds/19962353/job/bfcenk6qrxfyjgis . I don't see how this could be related to the PR in question (#29878) so I'm opening a new issue.

Some relevant snippets from the build log:

┌ Warning: There were no samples collected. Run your program longer (perhaps by
│ running it multiple times), or adjust the delay between samples with
│ `Profile.init()`.
└ @ Profile C:\projects\julia\usr\share\julia\stdlib\v1.1\Profile\src\Profile.jl:659
┌ Warning: There were no samples collected. Run your program longer (perhaps by
│ running it multiple times), or adjust the delay between samples with
│ `Profile.init()`.
└ @ Profile C:\projects\julia\usr\share\julia\stdlib\v1.1\Profile\src\Profile.jl:659

[ ... ]

Some tests did not pass: 3 passed, 2 failed, 1 errored, 0 broken.Profile: Test Failed at C:\projects\julia\julia-\share\julia\stdlib\v1.1\Profile\test\runtests.jl:34
  Expression: !(isempty(str))
Stacktrace:
 [1] record(::Test.DefaultTestSet, ::Test.Fail) at C:\projects\julia\usr\share\julia\stdlib\v1.1\Test\src\Test.jl:745
 [2] (::getfield(Main, Symbol("##42#48")))() at C:\projects\julia\julia-\share\julia\test\runtests.jl:237
 [3] cd(::getfield(Main, Symbol("##42#48")), ::String) at .\file.jl:85
 [4] top-level scope at none:0
 [5] include at .\boot.jl:317 [inlined]
 [6] include_relative(::Module, ::String) at .\loading.jl:1038
 [7] include(::Module, ::String) at .\sysimg.jl:29
 [8] exec_options(::Base.JLOptions) at .\client.jl:231
 [9] _start() at .\client.jl:425
Profile: Test Failed at C:\projects\julia\julia-\share\julia\stdlib\v1.1\Profile\test\runtests.jl:41
  Expression: !(isempty(String(take!(iobuf))))
Stacktrace:
 [1] record(::Test.DefaultTestSet, ::Test.Fail) at C:\projects\julia\usr\share\julia\stdlib\v1.1\Test\src\Test.jl:745
 [2] (::getfield(Main, Symbol("##42#48")))() at C:\projects\julia\julia-\share\julia\test\runtests.jl:237
 [3] cd(::getfield(Main, Symbol("##42#48")), ::String) at .\file.jl:85
 [4] top-level scope at none:0
 [5] include at .\boot.jl:317 [inlined]
 [6] include_relative(::Module, ::String) at .\loading.jl:1038
 [7] include(::Module, ::String) at .\sysimg.jl:29
 [8] exec_options(::Base.JLOptions) at .\client.jl:231
 [9] _start() at .\client.jl:425
Profile: Error During Test at C:\projects\julia\julia-\share\julia\test\testdefs.jl:19
  Got exception outside of a @test
  LoadError: ArgumentError: reducing over an empty collection is not allowed
  Stacktrace:
   [1] _empty_reduce_error() at .\reduce.jl:216
   [2] reduce_empty(::Function, ::Type) at .\reduce.jl:226
   [3] mapreduce_empty(::typeof(identity), ::Function, ::Type) at .\reduce.jl:251
   [4] _mapreduce(::typeof(identity), ::typeof(max), ::IndexLinear, ::Array{Int32,1}) at .\reduce.jl:305
   [5] _mapreduce_dim at .\reducedim.jl:305 [inlined]
   [6] #mapreduce#535 at .\reducedim.jl:301 [inlined]
   [7] mapreduce at .\reducedim.jl:301 [inlined]
   [8] _maximum at .\reducedim.jl:650 [inlined]
   [9] _maximum at .\reducedim.jl:649 [inlined]
   [10] #maximum#541 at .\reducedim.jl:645 [inlined]
   [11] maximum at .\reducedim.jl:645 [inlined]
   [12] print_flat(::Base.GenericIOBuffer{Array{UInt8,1}}, ::Array{Base.StackTraces.StackFrame,1}, ::Array{Int32,1}, ::Int32, ::Profile.ProfileFormat) at C:\projects\julia\usr\share\julia\stdlib\v1.1\Profile\src\Profile.jl:398
   [13] flat(::Base.GenericIOBuffer{Array{UInt8,1}}, ::Array{UInt64,1}, ::Dict{UInt64,Array{Base.StackTraces.StackFrame,1}}, ::Int32, ::Profile.ProfileFormat) at C:\projects\julia\usr\share\julia\stdlib\v1.1\Profile\src\Profile.jl:368
   [14] print(::Base.GenericIOBuffer{Array{UInt8,1}}, ::Array{UInt32,1}, ::Dict{UInt64,Array{Base.StackTraces.StackFrame,1}}, ::Profile.ProfileFormat, ::Symbol) at C:\projects\julia\usr\share\julia\stdlib\v1.1\Profile\src\Profile.jl:149
   [15] (::getfield(Profile, Symbol("#kw##print")))(::NamedTuple{(:format, :sortedby),Tuple{Symbol,Symbol}}, ::typeof(Profile.print), ::Base.GenericIOBuffer{Array{UInt8,1}}) at C:\projects\julia\usr\share\julia\stdlib\v1.1\Profile\src\Profile.jl:134
   [16] top-level scope at C:\projects\julia\julia-\share\julia\stdlib\v1.1\Profile\test\runtests.jl:43
   [17] include at .\boot.jl:317 [inlined]
   [18] include_relative(::Module, ::String) at .\loading.jl:1038
   [19] include at .\sysimg.jl:29 [inlined]
   [20] include(::String) at C:\projects\julia\julia-\share\julia\test\testdefs.jl:13
   [21] top-level scope at C:\projects\julia\julia-\share\julia\test\testdefs.jl:22
   [22] top-level scope at C:\projects\julia\usr\share\julia\stdlib\v1.1\Test\src\Test.jl:1083
   [23] top-level scope at C:\projects\julia\julia-\share\julia\test\testdefs.jl:21
   [24] top-level scope at util.jl:289
   [25] top-level scope at C:\projects\julia\julia-\share\julia\test\testdefs.jl:19
   [26] eval at .\boot.jl:319 [inlined]
   [27] #runtests#3(::UInt128, ::Function, ::String, ::String, ::Bool) at C:\projects\julia\julia-\share\julia\test\testdefs.jl:25
   [28] #runtests at .\none:0 [inlined] (repeats 2 times)
   [29] (::getfield(Distributed, Symbol("##112#114")){Distributed.CallMsg{:call_fetch}})() at C:\projects\julia\usr\share\julia\stdlib\v1.1\Distributed\src\process_messages.jl:269
   [30] run_work_thunk(::getfield(Distributed, Symbol("##112#114")){Distributed.CallMsg{:call_fetch}}, ::Bool) at C:\projects\julia\usr\share\julia\stdlib\v1.1\Distributed\src\process_messages.jl:56
   [31] macro expansion at C:\projects\julia\usr\share\julia\stdlib\v1.1\Distributed\src\process_messages.jl:269 [inlined]
   [32] (::getfield(Distributed, Symbol("##111#113")){Distributed.CallMsg{:call_fetch},Distributed.MsgHeader,Sockets.TCPSocket})() at .\task.jl:259
  in expression starting at C:\projects\julia\julia-\share\julia\stdlib\v1.1\Profile\test\runtests.jl:27
@c42f c42f added test This change adds or pertains to unit tests ci Continuous integration labels Nov 1, 2018
@c42f c42f mentioned this issue Nov 1, 2018
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@tkf
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tkf commented Nov 21, 2018

Here is another sample https://ci.appveyor.com/project/JuliaLang/julia/builds/20450246/job/f75qh44d78ve3m4y in #29634

@JeffBezanson JeffBezanson mentioned this issue Nov 29, 2018
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@c42f c42f added system:windows Affects only Windows system:32-bit Affects only 32-bit systems labels Dec 9, 2018
@c42f c42f mentioned this issue Dec 9, 2018
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@ararslan ararslan mentioned this issue Jan 5, 2019
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@colbec
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colbec commented Feb 20, 2019

FWIW I just saw this, once in two make testall runs. Since it is outside the WIN and 32 bit labels it might be new information. If you need a gist or open new issue I can do that.
Using:

Julia Version 1.2.0-DEV.356
Commit 66341a3806 (2019-02-19 22:12 UTC)
Platform Info:
  OS: Linux (x86_64-suse-linux)
  CPU: Intel(R) Core(TM) i5-4460  CPU @ 3.20GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-6.0.1 (ORCJIT, haswell)

@c42f c42f changed the title stdlib/Profile test failure (no samples collected) on win32 CI stdlib/Profile test failure (no samples collected) Feb 20, 2019
@stevengj stevengj mentioned this issue Apr 18, 2019
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@ararslan ararslan mentioned this issue Apr 24, 2019
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@stevengj stevengj mentioned this issue Apr 27, 2019
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@stevengj stevengj mentioned this issue May 6, 2019
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@vtjnash vtjnash removed system:32-bit Affects only 32-bit systems ci Continuous integration system:windows Affects only Windows labels Aug 16, 2019
vtjnash added a commit that referenced this issue Aug 16, 2019
@vtjnash
Profile,test: fix busy-wait test
0f88e77 
When d7a90c0 was added,
it potentially reduced the sleep timeout to zero
if we took a snapshot right away, unintentionally
ensuring we did not have any samples inside Julia!

fix #29880 and add a test for the empty printing case
@vtjnash vtjnash mentioned this issue Aug 16, 2019
Merged
vtjnash added a commit that referenced this issue Aug 17, 2019
@vtjnash
Profile,test: fix busy-wait test (#32933)
b0ff444 
When d7a90c0 was added,
it potentially reduced the sleep timeout to zero
if we took a snapshot right away, unintentionally
ensuring we did not have any samples inside Julia!

fix #29880 and add a test for the empty printing case
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Profile,test: fix busy-wait test JuliaLang/julia
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