perf tests: Add is_printable_array test

Add automated test for is_printable_array function.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1468685480-18951-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-07-16 18:11:20 +02:00 committed by Arnaldo Carvalho de Melo
parent accaed2659
commit 988dd774dc
4 changed files with 42 additions and 0 deletions

View File

@ -40,6 +40,7 @@ perf-y += event_update.o
perf-y += event-times.o
perf-y += backward-ring-buffer.o
perf-y += sdt.o
perf-y += is_printable_array.o
$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build
$(call rule_mkdir)

View File

@ -221,6 +221,10 @@ static struct test generic_tests[] = {
.desc = "Test SDT event probing",
.func = test__sdt_event,
},
{
.desc = "Test is_printable_array function",
.func = test__is_printable_array,
},
{
.func = NULL,
},

View File

@ -0,0 +1,36 @@
#include <linux/compiler.h>
#include "tests.h"
#include "debug.h"
#include "util.h"
int test__is_printable_array(int subtest __maybe_unused)
{
char buf1[] = { 'k', 'r', 4, 'v', 'a', 0 };
char buf2[] = { 'k', 'r', 'a', 'v', 4, 0 };
struct {
char *buf;
unsigned int len;
int ret;
} t[] = {
{ (char *) "krava", sizeof("krava"), 1 },
{ (char *) "krava", sizeof("krava") - 1, 0 },
{ (char *) "", sizeof(""), 1 },
{ (char *) "", 0, 0 },
{ NULL, 0, 0 },
{ buf1, sizeof(buf1), 0 },
{ buf2, sizeof(buf2), 0 },
};
unsigned int i;
for (i = 0; i < ARRAY_SIZE(t); i++) {
int ret;
ret = is_printable_array((char *) t[i].buf, t[i].len);
if (ret != t[i].ret) {
pr_err("failed: test %u\n", i);
return TEST_FAIL;
}
}
return TEST_OK;
}

View File

@ -89,6 +89,7 @@ int test__event_times(int subtest);
int test__backward_ring_buffer(int subtest);
int test__cpu_map_print(int subtest);
int test__sdt_event(int subtest);
int test__is_printable_array(int subtest);
#if defined(__arm__) || defined(__aarch64__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT