/usr/share/julia/test/netload/memtest.jl is in julia-common 0.4.7-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | # This file is a part of Julia. License is MIT: http://julialang.org/license
immutable RUsage
ru_utime_sec::Clong # user CPU time used
ru_utime_usec::Clong # user CPU time used
ru_stime_sec::Clong # system CPU time used
ru_stime_usec::Clong # system CPU time used
ru_maxrss::Clong # maximum resident set size
ru_ixrss::Clong # integral shared memory size
ru_idrss::Clong # integral unshared data size
ru_isrss::Clong # integral unshared stack size
ru_minflt::Clong # page reclaims (soft page faults)
ru_majflt::Clong # page faults (hard page faults)
ru_nswap::Clong # swaps
ru_inblock::Clong # block input operations
ru_oublock::Clong # block output operations
ru_msgsnd::Clong # IPC messages sent
ru_msgrcv::Clong # IPC messages received
ru_nsignals::Clong # signals received
ru_nvcsw::Clong # voluntary context switches
ru_nivcsw::Clong # involuntary context switches
end
function get_vmsize()
ru = Array(RUsage, 1)
ccall(:getrusage, Cint, (Cint, Ptr{Void}), 0, ru)
return ru[1].ru_maxrss
end
function run_mtest(name, testf)
print("Testing $name...")
for i in 1:2
print("priming process...")
testf()
end
vm1 = get_vmsize()
println("monitored run...")
testf()
vm2 = get_vmsize()
diff = vm2 - vm1
WARN = (diff > 1000) ? "<===================================== WARNING" : ""
println("Memory Test ($name) : VMSize difference : $diff KB $WARN")
end
function mtest_create_strings()
for i in 1:10^8
string("$i")
end
gc()
end
function mtest_remotecall_fetch()
for i in 1:10^5
remotecall_fetch(1, myid)
end
gc()
end
run_mtest("create_strings", () -> mtest_create_strings())
run_mtest("remotecall_fetch", () -> mtest_remotecall_fetch())
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