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sysinfo.jl
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sysinfo.jl
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# This file is a part of Julia. License is MIT: https://julialang.org/license
# We can't guarantee that these are correct, but we can at least check
# that they run
@test length(Base.Sys.cpu_info()) > 0
sprint(Base.Sys.cpu_summary)
@test Base.Sys.uptime() > 0
Base.Sys.loadavg()
@test Base.libllvm_path() isa Symbol
@test contains(String(Base.libllvm_path()), "LLVM")
@test length(ccall(:jl_get_cpu_name, String, ())) != 0
@test length(ccall(:jl_get_cpu_features, String, ())) >= 0
foo_fma() = Core.Intrinsics.have_fma(Int64)
@test ccall(:jl_cpu_has_fma, Bool, (Cint,), 64) == foo_fma()
if Sys.isunix()
mktempdir() do tempdir
firstdir = joinpath(tempdir, "first")
seconddir = joinpath(tempdir, "second")
mkpath(firstdir)
mkpath(seconddir)
touch(joinpath(firstdir, "foo"))
touch(joinpath(seconddir, "foo"))
chmod(joinpath(firstdir, "foo"), 0o777)
chmod(joinpath(seconddir, "foo"), 0o777)
# zero permissions on first directory
chmod(firstdir, 0o000)
original_path = ENV["PATH"]
ENV["PATH"] = string(firstdir, ":", seconddir, ":", original_path)
try
@test abspath(Base.Sys.which("foo")) == abspath(joinpath(seconddir, "foo"))
finally
# clean up
chmod(firstdir, 0o777)
ENV["PATH"] = original_path
end
end
end
@testset "username()" begin
if Sys.isunix()
passwd = Libc.getpwuid(Libc.getuid())
@test Sys.username() == passwd.username
elseif Sys.iswindows()
@test Sys.username() == ENV["USERNAME"]
else
@test !isempty(Sys.username())
end
end
@testset "Base.Sys docstrings" begin
@test isempty(Docs.undocumented_names(Sys))
end
@testset "show" begin
example_cpus = [Base.Sys.CPUinfo("Apple M1 Pro", 2400, 0x000000000d913b08, 0x0000000000000000, 0x0000000005f4243c, 0x00000000352a550a, 0x0000000000000000)
Base.Sys.CPUinfo("Apple M1 Pro", 2400, 0x000000000d9040c2, 0x0000000000000000, 0x0000000005d4768c, 0x00000000356b3d22, 0x0000000000000000)
Base.Sys.CPUinfo("Apple M1 Pro", 2400, 0x00000000026784da, 0x0000000000000000, 0x0000000000fda30e, 0x0000000046a731ea, 0x0000000000000000)
Base.Sys.CPUinfo("Apple M1 Pro", 2400, 0x00000000017726c0, 0x0000000000000000, 0x00000000009491de, 0x0000000048134f1e, 0x0000000000000000)]
Sys.SC_CLK_TCK, save_SC_CLK_TCK = 100, Sys.SC_CLK_TCK # use platform-independent tick units
@test repr(example_cpus[1]) == "Base.Sys.CPUinfo(\"Apple M1 Pro\", 2400, 0x000000000d913b08, 0x0000000000000000, 0x0000000005f4243c, 0x00000000352a550a, 0x0000000000000000)"
@test repr("text/plain", example_cpus[1]) == "Apple M1 Pro: \n speed user nice sys idle irq\n 2400 MHz 2276216 s 0 s 998861 s 8919667 s 0 s"
@test sprint(Sys.cpu_summary, example_cpus) == "Apple M1 Pro: \n speed user nice sys idle irq\n#1 2400 MHz 2276216 s 0 s 998861 s 8919667 s 0 s\n#2 2400 MHz 2275576 s 0 s 978101 s 8962204 s 0 s\n#3 2400 MHz 403386 s 0 s 166224 s 11853624 s 0 s\n#4 2400 MHz 245859 s 0 s 97367 s 12092250 s 0 s\n"
Sys.SC_CLK_TCK = save_SC_CLK_TCK
end