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Adds support for linux delay accounting (#667)

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Adds support for showing columns with linux delay accounting.

This information can be read from the netlink interface, and thus we set up a socket to read from that when initializing the LinuxProcessList (LinuxProcessList_initNetlinkSocket). After that, for each process we call LinuxProcessList_readDelayAcctData, which sends a message thru the socket after setting up a callback to get the answer from the Kernel. That callback sets the process total delay time attribute. We then set the delay percent as the percentage of time process cpu time since last scan.
This commit is contained in:
André Carvalho
2017-12-04 00:15:29 -02:00
committed by Hisham Muhammad
parent 52831955c7
commit b7b66b76a5
6 changed files with 209 additions and 2 deletions
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11
configure.ac
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@ -256,6 +256,17 @@ then
AC_DEFINE(HAVE_SETUID_ENABLED, 1, [Define if setuid support should be enabled.])
fi
AC_ARG_ENABLE(delayacct, [AS_HELP_STRING([--enable-delayacct], [enable linux delay accounting])],, enable_delayacct="no")
if test "x$enable_delayacct" = xyes
then
PKG_CHECK_MODULES(LIBNL3, libnl-3.0, [], [missing_libraries="$missing_libraries libnl-3"])
PKG_CHECK_MODULES(LIBNL3GENL, libnl-genl-3.0, [], [missing_libraries="$missing_libraries libnl-genl-3"])
CFLAGS+=" $LIBNL3_CFLAGS $LIBNL3GENL_CFLAGS"
LIBS+=" $LIBNL3_LIBS $LIBNL3GENL_LIBS"
AC_DEFINE(HAVE_DELAYACCT, 1, [Define if delay accounting support should be enabled.])
fi
# Bail out on errors.
# ----------------------------------------------------------------------
if test ! -z "$missing_libraries"; then