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-rw-r--r--tools/build/Makefile.feature3
-rw-r--r--tools/build/feature/Makefile7
-rw-r--r--tools/build/feature/test-all.c5
-rw-r--r--tools/build/feature/test-libopencsd.c8
-rw-r--r--tools/perf/Makefile.config25
-rw-r--r--tools/perf/Makefile.perf2
6 files changed, 48 insertions, 2 deletions
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index e52fcefee379..c378f003b007 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -66,7 +66,8 @@ FEATURE_TESTS_BASIC := \
bpf \
sched_getcpu \
sdt \
- setns
+ setns \
+ libopencsd
# FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA is the complete list
# of all feature tests
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index cff38f342283..59585fe20221 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -52,7 +52,8 @@ FILES= \
test-cxx.bin \
test-jvmti.bin \
test-sched_getcpu.bin \
- test-setns.bin
+ test-setns.bin \
+ test-libopencsd.bin
FILES := $(addprefix $(OUTPUT),$(FILES))
@@ -104,6 +105,10 @@ $(OUTPUT)test-sched_getcpu.bin:
$(OUTPUT)test-setns.bin:
$(BUILD)
+$(OUTPUT)test-libopencsd.bin:
+ $(BUILD) # -lopencsd_c_api -lopencsd provided by
+ # $(FEATURE_CHECK_LDFLAGS-libopencsd)
+
DWARFLIBS := -ldw
ifeq ($(findstring -static,${LDFLAGS}),-static)
DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index 6fdf83263ab7..8dc20a61341f 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -162,6 +162,10 @@
# include "test-setns.c"
#undef main
+#define main main_test_libopencsd
+# include "test-libopencsd.c"
+#undef main
+
int main(int argc, char *argv[])
{
main_test_libpython();
@@ -199,6 +203,7 @@ int main(int argc, char *argv[])
main_test_sched_getcpu();
main_test_sdt();
main_test_setns();
+ main_test_libopencsd();
return 0;
}
diff --git a/tools/build/feature/test-libopencsd.c b/tools/build/feature/test-libopencsd.c
new file mode 100644
index 000000000000..5ff1246e6194
--- /dev/null
+++ b/tools/build/feature/test-libopencsd.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <opencsd/c_api/opencsd_c_api.h>
+
+int main(void)
+{
+ (void)ocsd_get_version();
+ return 0;
+}
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index a042ccca4e93..0dfdaa9fa81e 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -105,6 +105,16 @@ FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
+ifdef CSINCLUDES
+ LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
+endif
+OPENCSDLIBS := -lopencsd_c_api -lopencsd
+ifdef CSLIBS
+ LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
+endif
+FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
+
ifeq ($(NO_PERF_REGS),0)
CFLAGS += -DHAVE_PERF_REGS_SUPPORT
endif
@@ -353,6 +363,21 @@ ifeq ($(feature-setns), 1)
$(call detected,CONFIG_SETNS)
endif
+ifndef NO_CORESIGHT
+ ifeq ($(feature-libopencsd), 1)
+ CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
+ LDFLAGS += $(LIBOPENCSD_LDFLAGS)
+ EXTLIBS += $(OPENCSDLIBS)
+ $(call detected,CONFIG_LIBOPENCSD)
+ ifdef CSTRACE_RAW
+ CFLAGS += -DCS_DEBUG_RAW
+ ifeq (${CSTRACE_RAW}, packed)
+ CFLAGS += -DCS_RAW_PACKED
+ endif
+ endif
+ endif
+endif
+
ifndef NO_LIBELF
CFLAGS += -DHAVE_LIBELF_SUPPORT
EXTLIBS += -lelf
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 9a9b528a88bb..9b0351d3ce34 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -98,6 +98,8 @@ include ../scripts/utilities.mak
# When selected, pass LLVM_CONFIG=/path/to/llvm-config to `make' if
# llvm-config is not in $PATH.
+# Define NO_CORESIGHT if you do not want support for CoreSight trace decoding.
+
# As per kernel Makefile, avoid funny character set dependencies
unexport LC_ALL
LC_COLLATE=C