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From: Jiri Olsa <jolsa@kernel.org>
To: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>
Cc: bpf@vger.kernel.org, Martin KaFai Lau <kafai@fb.com>,
	Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
	John Fastabend <john.fastabend@gmail.com>,
	KP Singh <kpsingh@chromium.org>,
	Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
	Yafang Shao <laoar.shao@gmail.com>
Subject: [PATCHv7 bpf-next 22/28] selftests/bpf: Add uprobe_multi test program
Date: Wed,  9 Aug 2023 10:34:34 +0200	[thread overview]
Message-ID: <20230809083440.3209381-23-jolsa@kernel.org> (raw)
In-Reply-To: <20230809083440.3209381-1-jolsa@kernel.org>

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@kernel.org>
---
 tools/testing/selftests/bpf/Makefile       |  5 ++
 tools/testing/selftests/bpf/uprobe_multi.c | 67 ++++++++++++++++++++++
 2 files changed, 72 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 e4e1e6492268..edef49fcd23e 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -585,6 +585,7 @@ 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)		\
@@ -698,6 +699,10 @@ $(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..d19184103fa3
--- /dev/null
+++ b/tools/testing/selftests/bpf/uprobe_multi.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <stdio.h>
+#include <string.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)
+
+static int bench(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;
+}
+
+int main(int argc, char **argv)
+{
+	if (argc != 2)
+		goto error;
+
+	if (!strcmp("bench", argv[1]))
+		return bench();
+
+error:
+	fprintf(stderr, "usage: %s <bench>\n", argv[0]);
+	return -1;
+}
-- 
2.41.0


  parent reply	other threads:[~2023-08-09  8:38 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-09  8:34 [PATCHv7 bpf-next 00/28] bpf: Add multi uprobe link Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 01/28] bpf: Switch BPF_F_KPROBE_MULTI_RETURN macro to enum Jiri Olsa
2023-08-09 16:06   ` Yonghong Song
2023-08-09  8:34 ` [PATCHv7 bpf-next 02/28] bpf: Add attach_type checks under bpf_prog_attach_check_attach_type Jiri Olsa
2023-08-09 16:11   ` Yonghong Song
2023-08-09  8:34 ` [PATCHv7 bpf-next 03/28] bpf: Add multi uprobe link Jiri Olsa
2023-08-09 16:29   ` Yonghong Song
2023-08-09  8:34 ` [PATCHv7 bpf-next 04/28] bpf: Add cookies support for uprobe_multi link Jiri Olsa
2023-08-09 16:39   ` Yonghong Song
2023-08-11 13:19     ` Jiri Olsa
2023-08-11 16:45       ` Yonghong Song
2023-08-09  8:34 ` [PATCHv7 bpf-next 05/28] bpf: Add pid filter " Jiri Olsa
2023-08-09 16:45   ` Yonghong Song
2023-08-09  8:34 ` [PATCHv7 bpf-next 06/28] bpf: Add bpf_get_func_ip helper support for uprobe link Jiri Olsa
2023-08-09 16:48   ` Yonghong Song
2023-08-09  8:34 ` [PATCHv7 bpf-next 07/28] libbpf: Add uprobe_multi attach type and link names Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 08/28] libbpf: Move elf_find_func_offset* functions to elf object Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 09/28] libbpf: Add elf_open/elf_close functions Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 10/28] libbpf: Add elf symbol iterator Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 11/28] libbpf: Add elf_resolve_syms_offsets function Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 12/28] libbpf: Add elf_resolve_pattern_offsets function Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 13/28] libbpf: Add bpf_link_create support for multi uprobes Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 14/28] libbpf: Add bpf_program__attach_uprobe_multi function Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 15/28] libbpf: Add support for u[ret]probe.multi[.s] program sections Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 16/28] libbpf: Add uprobe multi link detection Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 17/28] libbpf: Add uprobe multi link support to bpf_program__attach_usdt Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 18/28] selftests/bpf: Move get_time_ns to testing_helpers.h Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 19/28] selftests/bpf: Add uprobe_multi skel test Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 20/28] selftests/bpf: Add uprobe_multi api test Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 21/28] selftests/bpf: Add uprobe_multi link test Jiri Olsa
2023-08-09  8:34 ` Jiri Olsa [this message]
2023-08-09  8:34 ` [PATCHv7 bpf-next 23/28] selftests/bpf: Add uprobe_multi bench test Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 24/28] selftests/bpf: Add uprobe_multi usdt test code Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 25/28] selftests/bpf: Add uprobe_multi usdt bench test Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 26/28] selftests/bpf: Add uprobe_multi cookie test Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 27/28] selftests/bpf: Add uprobe_multi pid filter tests Jiri Olsa
2023-08-09  8:34 ` [PATCHv7 bpf-next 28/28] selftests/bpf: Add extra link to uprobe_multi tests Jiri Olsa
2023-08-21 23:00 ` [PATCHv7 bpf-next 00/28] bpf: Add multi uprobe link patchwork-bot+netdevbpf

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