cms::jeprof Namespace Reference

Functions
void	makeHeapDump (const char *)

Variables
std::once_flag	warning_flag

Function Documentation

makeHeapDump()

void cms::jeprof::makeHeapDump

(

const char *

fileName

)

Definition at line 33 of file jeprof.cc.

References MillePedeFileConverter_cfg::fileName, and warning_flag.

Referenced by edm::service::JeProfService::makeDump().

                                          {
    std::once_flag warning_flag;
    if (!have_jemalloc_and_prof) {
      std::call_once(warning_flag,
                     []() {
                       edm::LogWarning("JeProfModule")
                           << "JeProfModule requested but application is not"
                           << " currently being profiled with jemalloc profiling enabled\n"
                           << "Enable jemalloc profiling by running\n"
                           << "MALLOC_CONF=prof_leak:true,lg_prof_sample:10,prof_final:true cmsRunJEProf config.py\n";
                     });
      return;
    }
    mallctl("prof.dump", nullptr, nullptr, &fileName, sizeof(const char *));
  }

Variable Documentation

warning_flag

std::once_flag cms::jeprof::warning_flag

Definition at line 32 of file jeprof.cc.

Referenced by makeHeapDump().