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build: rename --enable-ebpf to --enable-usdt 

eBPF is a Linux kernel technology used to "extend the capabilities
of the kernel without requiring to change kernel source code or
load kernel modules". While Userspace, Statically Defined Tracing
(USDT) uses eBPF under the hood, --enable-usdt better resembles that
support for USDT is enabled, and tracepoints will be included in the
binary.
This commit is contained in:
0xb10c 2021-12-07 19:19:59 +01:00
parent e158a2a7aa
commit 6200fbf54f
No known key found for this signature in database
GPG Key ID: E2FFD5B1D88CA97D
1 changed files with 10 additions and 11 deletions
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21
configure.ac
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@ -137,11 +137,11 @@ AC_ARG_WITH([bdb],
[use_bdb=$withval],
[use_bdb=auto])
AC_ARG_ENABLE([ebpf],
[AS_HELP_STRING([--enable-ebpf],
[enable eBPF tracing (default is yes if sys/sdt.h is found)])],
[use_ebpf=$enableval],
[use_ebpf=yes])
AC_ARG_ENABLE([usdt],
[AS_HELP_STRING([--enable-usdt],
[enable tracepoints for Userspace, Statically Defined Tracing (default is yes if sys/sdt.h is found)])],
[use_usdt=$enableval],
[use_usdt=yes])
AC_ARG_WITH([miniupnpc],
[AS_HELP_STRING([--with-miniupnpc],
@ -1341,15 +1341,15 @@ if test "$enable_wallet" != "no"; then
fi
fi
if test "$use_ebpf" != "no"; then
AC_MSG_CHECKING([whether eBPF tracepoints are supported])
if test "$use_usdt" != "no"; then
AC_MSG_CHECKING([whether Userspace, Statically Defined Tracing tracepoints are supported])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[#include <sys/sdt.h>],
[DTRACE_PROBE("context", "event");]
)],
[AC_MSG_RESULT([yes]); have_sdt=yes; AC_DEFINE([ENABLE_TRACING], [1], [Define to 1 to enable eBPF user static defined tracepoints])],
[AC_MSG_RESULT([no]); have_sdt=no;]
[AC_MSG_RESULT([yes]); AC_DEFINE([ENABLE_TRACING], [1], [Define to 1 to enable tracepoints for Userspace, Statically Defined Tracing])],
[AC_MSG_RESULT([no]); use_usdt=no;]
)
fi
@ -1763,7 +1763,6 @@ AM_CONDITIONAL([TARGET_WINDOWS], [test "$TARGET_OS" = "windows"])
AM_CONDITIONAL([ENABLE_WALLET], [test "$enable_wallet" = "yes"])
AM_CONDITIONAL([USE_SQLITE], [test "$use_sqlite" = "yes"])
AM_CONDITIONAL([USE_BDB], [test "$use_bdb" = "yes"])
AM_CONDITIONAL([ENABLE_TRACING], [test "$have_sdt" = "yes"])
AM_CONDITIONAL([ENABLE_TESTS], [test "$BUILD_TEST" = "yes"])
AM_CONDITIONAL([ENABLE_FUZZ], [test "$enable_fuzz" = "yes"])
AM_CONDITIONAL([ENABLE_FUZZ_BINARY], [test "$enable_fuzz_binary" = "yes"])
@ -1932,7 +1931,7 @@ echo " with bench = $use_bench"
echo " with upnp = $use_upnp"
echo " with natpmp = $use_natpmp"
echo " use asm = $use_asm"
echo " ebpf tracing = $have_sdt"
echo " USDT tracing = $use_usdt"
echo " sanitizers = $use_sanitizers"
echo " debug enabled = $enable_debug"
echo " gprof enabled = $enable_gprof"