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perf test: Fix build of BPF and LLVM on older glibc libraries 

$ rpm -q glibc
  glibc-2.12-1.166.el6_7.1.x86_64

<SNIP>
    CC       /tmp/build/perf/tests/llvm.o
  cc1: warnings being treated as errors
  tests/llvm.c: In function ‘test_llvm__fetch_bpf_obj’:
  tests/llvm.c:53: error: declaration of ‘index’ shadows a global declaration
  /usr/include/string.h:489: error: shadowed declaration is here
<SNIP>
    CC       /tmp/build/perf/tests/bpf.o
  cc1: warnings being treated as errors
  tests/bpf.c: In function ‘__test__bpf’:
  tests/bpf.c:149: error: declaration of ‘index’ shadows a global declaration
  /usr/include/string.h:489: error: shadowed declaration is here
<SNIP>

Cc: He Kuang <hekuang@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: pi3orama@163.com
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Zefan Li <lizefan@huawei.com>
Fixes: b31de018a6 ("perf test: Enhance the LLVM test: update basic BPF test program")
Fixes: ba1fae431e ("perf test: Add 'perf test BPF'")
Link: http://lkml.kernel.org/n/tip-akpo4r750oya2phxoh9e3447@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Arnaldo Carvalho de Melo 2015-11-18 17:38:49 -03:00
parent e15bf88a44
commit 916d4092a1
2 changed files with 11 additions and 11 deletions
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14
tools/perf/tests/bpf.c
View File

@ -146,7 +146,7 @@ prepare_bpf(void *obj_buf, size_t obj_buf_sz, const char *name)
return obj;
}
static int __test__bpf(int index)
static int __test__bpf(int idx)
{
int ret;
void *obj_buf;
@ -154,27 +154,27 @@ static int __test__bpf(int index)
struct bpf_object *obj;
ret = test_llvm__fetch_bpf_obj(&obj_buf, &obj_buf_sz,
bpf_testcase_table[index].prog_id,
bpf_testcase_table[idx].prog_id,
true);
if (ret != TEST_OK || !obj_buf || !obj_buf_sz) {
pr_debug("Unable to get BPF object, %s\n",
bpf_testcase_table[index].msg_compile_fail);
if (index == 0)
bpf_testcase_table[idx].msg_compile_fail);
if (idx == 0)
return TEST_SKIP;
else
return TEST_FAIL;
}
obj = prepare_bpf(obj_buf, obj_buf_sz,
bpf_testcase_table[index].name);
bpf_testcase_table[idx].name);
if (!obj) {
ret = TEST_FAIL;
goto out;
}
ret = do_test(obj,
bpf_testcase_table[index].target_func,
bpf_testcase_table[index].expect_result);
bpf_testcase_table[idx].target_func,
bpf_testcase_table[idx].expect_result);
out:
bpf__clear();
return ret;

8
tools/perf/tests/llvm.c
View File

@ -50,7 +50,7 @@ static struct {
int
test_llvm__fetch_bpf_obj(void **p_obj_buf,
size_t *p_obj_buf_sz,
enum test_llvm__testcase index,
enum test_llvm__testcase idx,
bool force)
{
const char *source;
@ -59,11 +59,11 @@ test_llvm__fetch_bpf_obj(void **p_obj_buf,
char *tmpl_new = NULL, *clang_opt_new = NULL;
int err, old_verbose, ret = TEST_FAIL;
if (index >= __LLVM_TESTCASE_MAX)
if (idx >= __LLVM_TESTCASE_MAX)
return TEST_FAIL;
source = bpf_source_table[index].source;
desc = bpf_source_table[index].desc;
source = bpf_source_table[idx].source;
desc = bpf_source_table[idx].desc;
perf_config(perf_config_cb, NULL);