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Date: Thu, 15 Dec 2022 20:39:35 +0900
From: "Daniel T. Lee" <danieltimlee@...il.com>
To: Daniel Borkmann <daniel@...earbox.net>,
Alexei Starovoitov <ast@...nel.org>,
Andrii Nakryiko <andrii.nakryiko@...il.com>,
Yonghong Song <yhs@...com>
Cc: bpf@...r.kernel.org, netdev@...r.kernel.org
Subject: [bpf-next 3/5] samples: bpf: change _kern suffix to .bpf with syscall tracing program
Currently old compile rule (CLANG-bpf) doesn't contains VMLINUX_H define
flag which is essential for the bpf program that includes "vmlinux.h".
Also old compile rule doesn't directly specify the compile target as bpf,
instead it uses bunch of extra options with clang followed by long chain
of commands. (e.g. clang | opt | llvm-dis | llc)
In Makefile, there is already new compile rule which is more simple and
neat. And it also has -D__VMLINUX_H__ option. By just changing the _kern
suffix to .bpf will inherit the benefit of the new CLANG-BPF compile
target.
Signed-off-by: Daniel T. Lee <danieltimlee@...il.com>
---
samples/bpf/Makefile | 10 +++++-----
.../bpf/{map_perf_test_kern.c => map_perf_test.bpf.c} | 0
samples/bpf/map_perf_test_user.c | 2 +-
...oup_kern.c => test_current_task_under_cgroup.bpf.c} | 0
samples/bpf/test_current_task_under_cgroup_user.c | 2 +-
...e_write_user_kern.c => test_probe_write_user.bpf.c} | 0
samples/bpf/test_probe_write_user_user.c | 2 +-
.../bpf/{trace_output_kern.c => trace_output.bpf.c} | 0
samples/bpf/trace_output_user.c | 2 +-
samples/bpf/{tracex2_kern.c => tracex2.bpf.c} | 0
samples/bpf/tracex2_user.c | 2 +-
11 files changed, 10 insertions(+), 10 deletions(-)
rename samples/bpf/{map_perf_test_kern.c => map_perf_test.bpf.c} (100%)
rename samples/bpf/{test_current_task_under_cgroup_kern.c => test_current_task_under_cgroup.bpf.c} (100%)
rename samples/bpf/{test_probe_write_user_kern.c => test_probe_write_user.bpf.c} (100%)
rename samples/bpf/{trace_output_kern.c => trace_output.bpf.c} (100%)
rename samples/bpf/{tracex2_kern.c => tracex2.bpf.c} (100%)
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 727da3c5879b..22039a0a5b35 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -125,21 +125,21 @@ always-y += sockex1_kern.o
always-y += sockex2_kern.o
always-y += sockex3_kern.o
always-y += tracex1_kern.o
-always-y += tracex2_kern.o
+always-y += tracex2.bpf.o
always-y += tracex3_kern.o
always-y += tracex4_kern.o
always-y += tracex5_kern.o
always-y += tracex6_kern.o
always-y += tracex7_kern.o
always-y += sock_flags_kern.o
-always-y += test_probe_write_user_kern.o
-always-y += trace_output_kern.o
+always-y += test_probe_write_user.bpf.o
+always-y += trace_output.bpf.o
always-y += tcbpf1_kern.o
always-y += tc_l2_redirect_kern.o
always-y += lathist_kern.o
always-y += offwaketime_kern.o
always-y += spintest_kern.o
-always-y += map_perf_test_kern.o
+always-y += map_perf_test.bpf.o
always-y += test_overhead_tp_kern.o
always-y += test_overhead_raw_tp_kern.o
always-y += test_overhead_kprobe_kern.o
@@ -147,7 +147,7 @@ always-y += parse_varlen.o parse_simple.o parse_ldabs.o
always-y += test_cgrp2_tc_kern.o
always-y += xdp1_kern.o
always-y += xdp2_kern.o
-always-y += test_current_task_under_cgroup_kern.o
+always-y += test_current_task_under_cgroup.bpf.o
always-y += trace_event_kern.o
always-y += sampleip_kern.o
always-y += lwt_len_hist_kern.o
diff --git a/samples/bpf/map_perf_test_kern.c b/samples/bpf/map_perf_test.bpf.c
similarity index 100%
rename from samples/bpf/map_perf_test_kern.c
rename to samples/bpf/map_perf_test.bpf.c
diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c
index 1bb53f4b29e1..d2fbcf963cdf 100644
--- a/samples/bpf/map_perf_test_user.c
+++ b/samples/bpf/map_perf_test_user.c
@@ -443,7 +443,7 @@ int main(int argc, char **argv)
if (argc > 4)
max_cnt = atoi(argv[4]);
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
diff --git a/samples/bpf/test_current_task_under_cgroup_kern.c b/samples/bpf/test_current_task_under_cgroup.bpf.c
similarity index 100%
rename from samples/bpf/test_current_task_under_cgroup_kern.c
rename to samples/bpf/test_current_task_under_cgroup.bpf.c
diff --git a/samples/bpf/test_current_task_under_cgroup_user.c b/samples/bpf/test_current_task_under_cgroup_user.c
index ac251a417f45..a1aaea59caee 100644
--- a/samples/bpf/test_current_task_under_cgroup_user.c
+++ b/samples/bpf/test_current_task_under_cgroup_user.c
@@ -21,7 +21,7 @@ int main(int argc, char **argv)
char filename[256];
int map_fd[2];
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
diff --git a/samples/bpf/test_probe_write_user_kern.c b/samples/bpf/test_probe_write_user.bpf.c
similarity index 100%
rename from samples/bpf/test_probe_write_user_kern.c
rename to samples/bpf/test_probe_write_user.bpf.c
diff --git a/samples/bpf/test_probe_write_user_user.c b/samples/bpf/test_probe_write_user_user.c
index 00ccfb834e45..2a539aec4116 100644
--- a/samples/bpf/test_probe_write_user_user.c
+++ b/samples/bpf/test_probe_write_user_user.c
@@ -24,7 +24,7 @@ int main(int ac, char **argv)
mapped_addr_in = (struct sockaddr_in *)&mapped_addr;
tmp_addr_in = (struct sockaddr_in *)&tmp_addr;
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
diff --git a/samples/bpf/trace_output_kern.c b/samples/bpf/trace_output.bpf.c
similarity index 100%
rename from samples/bpf/trace_output_kern.c
rename to samples/bpf/trace_output.bpf.c
diff --git a/samples/bpf/trace_output_user.c b/samples/bpf/trace_output_user.c
index 371732f9cf8e..d316fd2c8e24 100644
--- a/samples/bpf/trace_output_user.c
+++ b/samples/bpf/trace_output_user.c
@@ -51,7 +51,7 @@ int main(int argc, char **argv)
char filename[256];
FILE *f;
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
diff --git a/samples/bpf/tracex2_kern.c b/samples/bpf/tracex2.bpf.c
similarity index 100%
rename from samples/bpf/tracex2_kern.c
rename to samples/bpf/tracex2.bpf.c
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c
index 089e408abd7a..2131f1648cf1 100644
--- a/samples/bpf/tracex2_user.c
+++ b/samples/bpf/tracex2_user.c
@@ -123,7 +123,7 @@ int main(int ac, char **argv)
int i, j = 0;
FILE *f;
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
--
2.34.1
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