hunyadi-dev commented on a change in pull request #845:
URL: https://github.com/apache/nifi-minifi-cpp/pull/845#discussion_r460764666
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File path: libminifi/src/utils/OsUtils.cpp
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@@ -154,6 +160,80 @@ std::string OsUtils::userIdToUsername(const std::string
&uid) {
return name;
}
+unsigned long long OsUtils::getMemoryUsage() {
+#ifdef __linux__
+ long resPages;
+ long sharedPages;
+ {
+ std::string ignore;
+ std::ifstream ifs("/proc/self/statm");
+ ifs >> ignore >> resPages >> sharedPages;
+ }
+
+ if (sharedPages > resPages) {
+ throw std::range_error("Shared memory page count ("
+ + std::to_string(sharedPages)
+ + ") should not be larger than resident set size ("
+ + std::to_string(resPages)
+ + "), that includes it"
+ );
+ }
+
+ const long ownPages = resPages - sharedPages;
Review comment:
The linter will also report for `long` usage.
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