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Subject[PATCH bpf-next 4/5] selftests/bpf: move two functions to test_progs.c
Date
Move time_get_ns() and get_base_addr() to test_progs.c, so they can be
used in other tests.

Signed-off-by: Song Liu <songliubraving@fb.com>
---
.../selftests/bpf/prog_tests/attach_probe.c | 21 -------------
.../selftests/bpf/prog_tests/test_overhead.c | 8 -----
tools/testing/selftests/bpf/test_progs.c | 30 +++++++++++++++++++
tools/testing/selftests/bpf/test_progs.h | 2 ++
4 files changed, 32 insertions(+), 29 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/attach_probe.c b/tools/testing/selftests/bpf/prog_tests/attach_probe.c
index a0ee87c8e1ea7..3bda8acbbafb5 100644
--- a/tools/testing/selftests/bpf/prog_tests/attach_probe.c
+++ b/tools/testing/selftests/bpf/prog_tests/attach_probe.c
@@ -2,27 +2,6 @@
#include <test_progs.h>
#include "test_attach_probe.skel.h"

-ssize_t get_base_addr() {
- size_t start, offset;
- char buf[256];
- FILE *f;
-
- f = fopen("/proc/self/maps", "r");
- if (!f)
- return -errno;
-
- while (fscanf(f, "%zx-%*x %s %zx %*[^\n]\n",
- &start, buf, &offset) == 3) {
- if (strcmp(buf, "r-xp") == 0) {
- fclose(f);
- return start - offset;
- }
- }
-
- fclose(f);
- return -EINVAL;
-}
-
void test_attach_probe(void)
{
int duration = 0;
diff --git a/tools/testing/selftests/bpf/prog_tests/test_overhead.c b/tools/testing/selftests/bpf/prog_tests/test_overhead.c
index 2702df2b23433..3fe32e9357c4b 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_overhead.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_overhead.c
@@ -7,14 +7,6 @@

#define MAX_CNT 100000

-static __u64 time_get_ns(void)
-{
- struct timespec ts;
-
- clock_gettime(CLOCK_MONOTONIC, &ts);
- return ts.tv_sec * 1000000000ull + ts.tv_nsec;
-}
-
static int test_task_rename(const char *prog)
{
int i, fd, duration = 0, err;
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index b1e4dadacd9b4..c9e6a5ad5b9a4 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -622,6 +622,36 @@ int cd_flavor_subdir(const char *exec_name)
return chdir(flavor);
}

+__u64 time_get_ns(void)
+{
+ struct timespec ts;
+
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+ return ts.tv_sec * 1000000000ull + ts.tv_nsec;
+}
+
+ssize_t get_base_addr(void)
+{
+ size_t start, offset;
+ char buf[256];
+ FILE *f;
+
+ f = fopen("/proc/self/maps", "r");
+ if (!f)
+ return -errno;
+
+ while (fscanf(f, "%zx-%*x %s %zx %*[^\n]\n",
+ &start, buf, &offset) == 3) {
+ if (strcmp(buf, "r-xp") == 0) {
+ fclose(f);
+ return start - offset;
+ }
+ }
+
+ fclose(f);
+ return -EINVAL;
+}
+
#define MAX_BACKTRACE_SZ 128
void crash_handler(int signum)
{
diff --git a/tools/testing/selftests/bpf/test_progs.h b/tools/testing/selftests/bpf/test_progs.h
index 6e09bf738473e..2d617201024bf 100644
--- a/tools/testing/selftests/bpf/test_progs.h
+++ b/tools/testing/selftests/bpf/test_progs.h
@@ -91,6 +91,8 @@ extern bool test__start_subtest(const char *name);
extern void test__skip(void);
extern void test__fail(void);
extern int test__join_cgroup(const char *path);
+extern __u64 time_get_ns(void);
+extern ssize_t get_base_addr();

#define PRINT_FAIL(format...) \
({ \
--
2.24.1
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