Adding uprobe_multi test program that defines 50k uprobe_multi_func_* functions and will serve as attach point for uprobe_multi bench test in following patch. Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx> --- tools/testing/selftests/bpf/Makefile | 5 ++ tools/testing/selftests/bpf/uprobe_multi.c | 53 ++++++++++++++++++++++ 2 files changed, 58 insertions(+) create mode 100644 tools/testing/selftests/bpf/uprobe_multi.c diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index c49e5403ad0e..506d92d5505a 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -568,6 +568,7 @@ TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko \ $(OUTPUT)/liburandom_read.so \ $(OUTPUT)/xdp_synproxy \ $(OUTPUT)/sign-file \ + $(OUTPUT)/uprobe_multi \ ima_setup.sh \ verify_sig_setup.sh \ $(wildcard progs/btf_dump_test_case_*.c) \ @@ -671,6 +672,10 @@ $(OUTPUT)/veristat: $(OUTPUT)/veristat.o $(call msg,BINARY,,$@) $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o,$^) $(LDLIBS) -o $@ +$(OUTPUT)/uprobe_multi: uprobe_multi.c + $(call msg,BINARY,,$@) + $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@ + EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \ prog_tests/tests.h map_tests/tests.h verifier/tests.h \ feature bpftool \ diff --git a/tools/testing/selftests/bpf/uprobe_multi.c b/tools/testing/selftests/bpf/uprobe_multi.c new file mode 100644 index 000000000000..115a7f6cebfa --- /dev/null +++ b/tools/testing/selftests/bpf/uprobe_multi.c @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <stdio.h> + +#define __PASTE(a, b) a##b +#define PASTE(a, b) __PASTE(a, b) + +#define NAME(name, idx) PASTE(name, idx) + +#define DEF(name, idx) int NAME(name, idx)(void) { return 0; } +#define CALL(name, idx) NAME(name, idx)(); + +#define F(body, name, idx) body(name, idx) + +#define F10(body, name, idx) \ + F(body, PASTE(name, idx), 0) F(body, PASTE(name, idx), 1) F(body, PASTE(name, idx), 2) \ + F(body, PASTE(name, idx), 3) F(body, PASTE(name, idx), 4) F(body, PASTE(name, idx), 5) \ + F(body, PASTE(name, idx), 6) F(body, PASTE(name, idx), 7) F(body, PASTE(name, idx), 8) \ + F(body, PASTE(name, idx), 9) + +#define F100(body, name, idx) \ + F10(body, PASTE(name, idx), 0) F10(body, PASTE(name, idx), 1) F10(body, PASTE(name, idx), 2) \ + F10(body, PASTE(name, idx), 3) F10(body, PASTE(name, idx), 4) F10(body, PASTE(name, idx), 5) \ + F10(body, PASTE(name, idx), 6) F10(body, PASTE(name, idx), 7) F10(body, PASTE(name, idx), 8) \ + F10(body, PASTE(name, idx), 9) + +#define F1000(body, name, idx) \ + F100(body, PASTE(name, idx), 0) F100(body, PASTE(name, idx), 1) F100(body, PASTE(name, idx), 2) \ + F100(body, PASTE(name, idx), 3) F100(body, PASTE(name, idx), 4) F100(body, PASTE(name, idx), 5) \ + F100(body, PASTE(name, idx), 6) F100(body, PASTE(name, idx), 7) F100(body, PASTE(name, idx), 8) \ + F100(body, PASTE(name, idx), 9) + +#define F10000(body, name, idx) \ + F1000(body, PASTE(name, idx), 0) F1000(body, PASTE(name, idx), 1) F1000(body, PASTE(name, idx), 2) \ + F1000(body, PASTE(name, idx), 3) F1000(body, PASTE(name, idx), 4) F1000(body, PASTE(name, idx), 5) \ + F1000(body, PASTE(name, idx), 6) F1000(body, PASTE(name, idx), 7) F1000(body, PASTE(name, idx), 8) \ + F1000(body, PASTE(name, idx), 9) + +F10000(DEF, uprobe_multi_func_, 0) +F10000(DEF, uprobe_multi_func_, 1) +F10000(DEF, uprobe_multi_func_, 2) +F10000(DEF, uprobe_multi_func_, 3) +F10000(DEF, uprobe_multi_func_, 4) + +int main(void) +{ + F10000(CALL, uprobe_multi_func_, 0) + F10000(CALL, uprobe_multi_func_, 1) + F10000(CALL, uprobe_multi_func_, 2) + F10000(CALL, uprobe_multi_func_, 3) + F10000(CALL, uprobe_multi_func_, 4) + return 0; +} -- 2.40.0