[erlang-questions] Fwd: erlang:trace/3 and cpu_timestamp
mats cronqvist
masse@REDACTED
Thu Apr 24 10:56:43 CEST 2014
tracing with high-resolution timers doesn't seem to work un my linux
boxes (centos6, in this case);
247> erlang:trace(all,true,[call,cpu_timestamp]).
** exception error: bad argument
in function erlang:trace/3
called as erlang:trace(all,true,[call,cpu_timestamp])
Seemingly, this is because this check in aclocal.m4;
case $host_os in
linux*)
AC_MSG_RESULT([no; not stable])
LIBRT=$xrtlib
;;
Indeed, commenting out the above and rebuilding beam works;
1> erlang:trace(all,true,[call,cpu_timestamp]).
24
Is there any reason not to enable this?
mats
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