node os.gethostname() strace

shell

$ node -p -e 'process.versions'
{ http_parser: '1.0',
  node: '0.8.19',
  v8: '3.11.10.25',
  ares: '1.7.5-DEV',
  uv: '0.8',
  zlib: '1.2.3',
  openssl: '1.0.1c' }

$ strace -e uname node -e "for (var i = 0; i < 15; i++) { require('os').hostname() }"
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
uname({sys="Linux", node="DANPC", ...}) = 0
+++ exited with 0 +++