diff options
| -rw-r--r-- | configure.ac | 18 | ||||
| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | src/util/trace.h | 45 |
3 files changed, 64 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index b64c22450c..1592ed352f 100644 --- a/configure.ac +++ b/configure.ac @@ -132,6 +132,12 @@ 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_WITH([miniupnpc], [AS_HELP_STRING([--with-miniupnpc], [enable UPNP (default is yes if libminiupnpc is found)])], @@ -1295,6 +1301,16 @@ if test x$enable_wallet != xno; then fi fi +if test x$use_ebpf != xno; then + AC_CHECK_HEADER([sys/sdt.h], [have_sdt=yes], [have_sdt=no]) +else + have_sdt=no +fi + +if test x$have_sdt = xyes; then + AC_DEFINE([ENABLE_TRACING], [1], [Define to 1 to enable eBPF user static defined tracepoints]) +fi + dnl Check for libminiupnpc (optional) if test x$use_upnp != xno; then AC_CHECK_HEADERS( @@ -1689,6 +1705,7 @@ AM_CONDITIONAL([TARGET_WINDOWS], [test x$TARGET_OS = xwindows]) AM_CONDITIONAL([ENABLE_WALLET],[test x$enable_wallet = xyes]) AM_CONDITIONAL([USE_SQLITE], [test "x$use_sqlite" = "xyes"]) AM_CONDITIONAL([USE_BDB], [test "x$use_bdb" = "xyes"]) +AM_CONDITIONAL([ENABLE_TRACING],[test x$have_sdt = xyes]) AM_CONDITIONAL([ENABLE_TESTS],[test x$BUILD_TEST = xyes]) AM_CONDITIONAL([ENABLE_FUZZ],[test x$enable_fuzz = xyes]) AM_CONDITIONAL([ENABLE_FUZZ_LINK_ALL],[test x$enable_danger_fuzz_link_all = xyes]) @@ -1855,6 +1872,7 @@ 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 " sanitizers = $use_sanitizers" echo " debug enabled = $enable_debug" echo " gprof enabled = $enable_gprof" diff --git a/src/Makefile.am b/src/Makefile.am index 2871df124c..52bd4f1621 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -243,6 +243,7 @@ BITCOIN_CORE_H = \ util/system.h \ util/threadnames.h \ util/time.h \ + util/trace.h \ util/translation.h \ util/ui_change_type.h \ util/url.h \ diff --git a/src/util/trace.h b/src/util/trace.h new file mode 100644 index 0000000000..9c92cb10e7 --- /dev/null +++ b/src/util/trace.h @@ -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 */ |