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merge bitcoin#19866: eBPF Linux tracepoints

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Kittywhiskers Van Gogh 2020-09-05 07:36:47 -07:00 committed by PastaPastaPasta
parent 772a3affce
commit e5445e5444
3 changed files with 64 additions and 0 deletions
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18
configure.ac
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@ -132,6 +132,12 @@ AC_ARG_WITH([bdb],
[use_bdb=$withval], [use_bdb=$withval],
[use_bdb=auto]) [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=$enableval],
[use_ebpf=yes])
AC_ARG_WITH([miniupnpc], AC_ARG_WITH([miniupnpc],
[AS_HELP_STRING([--with-miniupnpc], [AS_HELP_STRING([--with-miniupnpc],
[enable UPNP (default is yes if libminiupnpc is found)])], [enable UPNP (default is yes if libminiupnpc is found)])],
@ -1368,6 +1374,16 @@ if test x$enable_wallet != xno; then
fi fi
fi fi
if test x$use_ebpf != xno; then
AC_CHECK_HEADER([sys/sdt.h], [have_sdt=yes], [have_sdt=no])
else
have_sdt=no
fi
if test x$have_sdt = xyes; then
AC_DEFINE([ENABLE_TRACING], [1], [Define to 1 to enable eBPF user static defined tracepoints])
fi
dnl Check for libminiupnpc (optional) dnl Check for libminiupnpc (optional)
if test x$use_upnp != xno; then if test x$use_upnp != xno; then
AC_CHECK_HEADERS( AC_CHECK_HEADERS(
@ -1740,6 +1756,7 @@ AM_CONDITIONAL([TARGET_WINDOWS], [test x$TARGET_OS = xwindows])
AM_CONDITIONAL([ENABLE_WALLET],[test x$enable_wallet = xyes]) AM_CONDITIONAL([ENABLE_WALLET],[test x$enable_wallet = xyes])
AM_CONDITIONAL([USE_SQLITE], [test "x$use_sqlite" = "xyes"]) AM_CONDITIONAL([USE_SQLITE], [test "x$use_sqlite" = "xyes"])
AM_CONDITIONAL([USE_BDB], [test "x$use_bdb" = "xyes"]) AM_CONDITIONAL([USE_BDB], [test "x$use_bdb" = "xyes"])
AM_CONDITIONAL([ENABLE_TRACING],[test x$have_sdt = xyes])
AM_CONDITIONAL([ENABLE_TESTS],[test x$BUILD_TEST = xyes]) AM_CONDITIONAL([ENABLE_TESTS],[test x$BUILD_TEST = xyes])
AM_CONDITIONAL([ENABLE_FUZZ],[test x$enable_fuzz = xyes]) AM_CONDITIONAL([ENABLE_FUZZ],[test x$enable_fuzz = xyes])
AM_CONDITIONAL([ENABLE_FUZZ_BINARY],[test x$enable_fuzz_binary = xyes]) AM_CONDITIONAL([ENABLE_FUZZ_BINARY],[test x$enable_fuzz_binary = xyes])
@ -1905,6 +1922,7 @@ echo " with bench = $use_bench"
echo " with upnp = $use_upnp" echo " with upnp = $use_upnp"
echo " with natpmp = $use_natpmp" echo " with natpmp = $use_natpmp"
echo " use asm = $use_asm" echo " use asm = $use_asm"
echo " ebpf tracing = $have_sdt"
echo " sanitizers = $use_sanitizers" echo " sanitizers = $use_sanitizers"
echo " debug enabled = $enable_debug" echo " debug enabled = $enable_debug"
echo " stacktraces enabled = $enable_stacktraces" echo " stacktraces enabled = $enable_stacktraces"

1
src/Makefile.am
View File

@ -332,6 +332,7 @@ BITCOIN_CORE_H = \
util/string.h \ util/string.h \
util/time.h \ util/time.h \
util/threadnames.h \ util/threadnames.h \
util/trace.h \
util/translation.h \ util/translation.h \
util/vector.h \ util/vector.h \
util/url.h \ util/url.h \

45
src/util/trace.h Normal file
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@ -0,0 +1,45 @@
// Copyright (c) 2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_UTIL_TRACE_H
#define BITCOIN_UTIL_TRACE_H
#ifdef ENABLE_TRACING
#include <sys/sdt.h>
#define TRACE(context, event) DTRACE_PROBE(context, event)
#define TRACE1(context, event, a) DTRACE_PROBE1(context, event, a)
#define TRACE2(context, event, a, b) DTRACE_PROBE2(context, event, a, b)
#define TRACE3(context, event, a, b, c) DTRACE_PROBE3(context, event, a, b, c)
#define TRACE4(context, event, a, b, c, d) DTRACE_PROBE4(context, event, a, b, c, d)
#define TRACE5(context, event, a, b, c, d, e) DTRACE_PROBE5(context, event, a, b, c, d, e)
#define TRACE6(context, event, a, b, c, d, e, f) DTRACE_PROBE6(context, event, a, b, c, d, e, f)
#define TRACE7(context, event, a, b, c, d, e, f, g) DTRACE_PROBE7(context, event, a, b, c, d, e, f, g)
#define TRACE8(context, event, a, b, c, d, e, f, g, h) DTRACE_PROBE8(context, event, a, b, c, d, e, f, g, h)
#define TRACE9(context, event, a, b, c, d, e, f, g, h, i) DTRACE_PROBE9(context, event, a, b, c, d, e, f, g, h, i)
#define TRACE10(context, event, a, b, c, d, e, f, g, h, i, j) DTRACE_PROBE10(context, event, a, b, c, d, e, f, g, h, i, j)
#define TRACE11(context, event, a, b, c, d, e, f, g, h, i, j, k) DTRACE_PROBE11(context, event, a, b, c, d, e, f, g, h, i, j, k)
#define TRACE12(context, event, a, b, c, d, e, f, g, h, i, j, k, l) DTRACE_PROBE12(context, event, a, b, c, d, e, f, g, h, i, j, k, l)
#else
#define TRACE(context, event)
#define TRACE1(context, event, a)
#define TRACE2(context, event, a, b)
#define TRACE3(context, event, a, b, c)
#define TRACE4(context, event, a, b, c, d)
#define TRACE5(context, event, a, b, c, d, e)
#define TRACE6(context, event, a, b, c, d, e, f)
#define TRACE7(context, event, a, b, c, d, e, f, g)
#define TRACE8(context, event, a, b, c, d, e, f, g, h)
#define TRACE9(context, event, a, b, c, d, e, f, g, h, i)
#define TRACE10(context, event, a, b, c, d, e, f, g, h, i, j)
#define TRACE11(context, event, a, b, c, d, e, f, g, h, i, j, k)
#define TRACE12(context, event, a, b, c, d, e, f, g, h, i, j, k, l)
#endif
#endif /* BITCOIN_UTIL_TRACE_H */