#1382: collect histogram of process loads

[stmcgovern]

Closes #1382.

[github-actions]

Pipelines results

PR tests (gcc-12, ubuntu, mpich)

Build for fd748ca

FAILED: src/CMakeFiles/vt.dir/Unity/unity_10_cxx.cxx.o 
/usr/bin/ccache /usr/lib/ccache/g++ -DJSON_USE_IMPLICIT_CONVERSIONS=1 -DVT_NO_COLOR_ENABLED -I/vt/lib/CLI -Irelease -I/vt/src -I/vt/lib/json/include -I/vt/lib/brotli/c/include -I/vt/lib/libfort/lib -isystem /vt/lib/fmt/include -isystem /vt/lib/EngFormat-Cpp/include -isystem /build/checkpoint/install/include -isystem /build/detector/install/include -O3 -DNDEBUG -Wall -pedantic -Wshadow -Wno-unknown-pragmas -Wsign-compare -ftemplate-backtrace-limit=100 -Werror -fPIC -std=c++14 -MD -MT src/CMakeFiles/vt.dir/Unity/unity_10_cxx.cxx.o -MF src/CMakeFiles/vt.dir/Unity/unity_10_cxx.cxx.o.d -o src/CMakeFiles/vt.dir/Unity/unity_10_cxx.cxx.o -c src/CMakeFiles/vt.dir/Unity/unity_10_cxx.cxx
In file included from src/CMakeFiles/vt.dir/Unity/unity_10_cxx.cxx:9:
/vt/src/vt/vrt/collection/balance/lb_common.cc: In function 'nlohmann::vt::json vt::vrt::collection::lb::jsonifyPhaseStatistics(const StatisticMap&)':
/vt/src/vt/vrt/collection/balance/lb_common.cc:161:56: error: no match for 'operator=' (operand types are 'nlohmann::vt::basic_json<>::value_type' {aka 'nlohmann::vt::basic_json<>'} and 'const vt::util::adt::AlignedCharUnion<double, vt::util::adt::HistogramApprox<double, long int> >')
  161 |       this_stat[quant_name.get<std::string>()] = quant.second;
      |                                                        ^~~~~~
In file included from /vt/src/vt/vrt/collection/types/storage/store_elm.h:49,
                 from /vt/src/vt/vrt/collection/types/storage/storable.h:48,
                 from /vt/src/vt/vrt/collection/types/migratable.h:52,
                 from /vt/src/vt/vrt/collection/types/indexable.h:52,
                 from /vt/src/vt/vrt/collection/types/base.h:51,
                 from /vt/src/vt/vrt/collection/types/headers.h:55,
                 from /vt/src/vt/vrt/collection/messages/system_create.h:50,
                 from /vt/src/vt/vrt/collection/manager.h:51,
                 from /vt/src/vt/vrt/collection/manager.cc:49,
                 from src/CMakeFiles/vt.dir/Unity/unity_10_cxx.cxx:3:
/vt/lib/json/include/nlohmann/json.hpp:2174:17: note: candidate: 'nlohmann::vt::basic_json<ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType>& nlohmann::vt::basic_json<ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType>::operator=(nlohmann::vt::basic_json<ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType>) [with ObjectType = std::map; ArrayType = std::vector; StringType = std::__cxx11::basic_string<char>; BooleanType = bool; NumberIntegerType = long int; NumberUnsignedType = long unsigned int; NumberFloatType = dou%0D%0A%0D%0A%0D%0A ==> And there is more. Read log. <==

Build log

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[PhilMiller]

This comment can just be deleted now