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High Resolution Timestamps for Profiling

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Jon Haslam 2020-06-02 06:42:44 -07:00 • committed by David Goldblatt
parent d82a164d0d
commit 4aea743279
13 changed files with 123 additions and 39 deletions
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12
configure.ac
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@ -1776,6 +1776,18 @@ if test "x${je_cv_mach_absolute_time}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_MACH_ABSOLUTE_TIME])
fi
dnl check for CLOCK_REALTIME (always should be available on Linux)
JE_COMPILABLE([clock_gettime(CLOCK_REALTIME, ...)], [
#include <time.h>
], [
struct timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
], [je_cv_clock_realtime])
if test "x${je_cv_clock_realtime}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_CLOCK_REALTIME])
fi
dnl Use syscall(2) (if available) by default.
AC_ARG_ENABLE([syscall],
[AS_HELP_STRING([--disable-syscall], [Disable use of syscall(2)])],