thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-23 16:12:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #50190 from ClibMouse/feature/unify-core-id-querying

Browse Source 
Implement a uniform way to query processor core IDs
This commit is contained in:
Sema Checherinda 2023-05-26 15:46:39 +02:00 committed by GitHub
commit 9603f2b49c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/Common/AsynchronousMetrics.cpp
View File

@ -1041,18 +1041,16 @@ void AsynchronousMetrics::update(TimePoint update_time)
// It doesn't read the EOL itself.
++cpuinfo->position();
if (s.rfind("processor", 0) == 0)
static constexpr std::string_view PROCESSOR = "processor";
if (s.starts_with(PROCESSOR))
{
/// s390x example: processor 0: version = FF, identification = 039C88, machine = 3906
/// non s390x example: processor : 0
if (auto colon = s.find_first_of(':'))
{
#ifdef __s390x__
core_id = std::stoi(s.substr(10)); /// 10: length of "processor" plus 1
#else
core_id = std::stoi(s.substr(colon + 2));
#endif
}
auto core_id_start = std::ssize(PROCESSOR);
while (core_id_start < std::ssize(s) && !std::isdigit(s[core_id_start]))
++core_id_start;
core_id = std::stoi(s.substr(core_id_start));
}
else if (s.rfind("cpu MHz", 0) == 0)
{