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/*
* Unit tests for the kernel probe location API.
*
* Copyright (C) 2020 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
*
* SPDX-License-Identifier: LGPL-2.1-only
*
*/
#include <assert.h>
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <tap/tap.h>
#include <common/payload-view.h>
#include <common/payload.h>
#include <lttng/kernel-probe-internal.h>
#include <lttng/kernel-probe.h>
/* For error.h */
int lttng_opt_quiet = 1;
int lttng_opt_verbose;
int lttng_opt_mi;
#define NUM_TESTS 24
static void test_kernel_probe_location_address(void)
{
struct lttng_kernel_probe_location *location = NULL;
struct lttng_kernel_probe_location *location_from_buffer = NULL;
enum lttng_kernel_probe_location_status status;
enum lttng_kernel_probe_location_type type;
uint64_t address = 50, _address;
struct lttng_payload payload;
diag("Testing kernel probe location address");
lttng_payload_init(&payload);
location = lttng_kernel_probe_location_address_create(address);
ok(location, "Location object");
type = lttng_kernel_probe_location_get_type(location);
ok(LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS == type,
"Location type got %d expected %d", type,
LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS);
status = lttng_kernel_probe_location_address_get_address(
location, &_address);
ok(status == LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK, "Getting address");
ok(address == _address,
"Address is equal. Got %" PRIu64 " expected %" PRIu64,
_address, address);
ok(lttng_kernel_probe_location_serialize(location, &payload) > 0,
"Serializing");
{
struct lttng_payload_view view =
lttng_payload_view_from_payload(
&payload, 0, -1);
ok(lttng_kernel_probe_location_create_from_payload(
&view, &location_from_buffer) > 0,
"Deserializing");
}
type = lttng_kernel_probe_location_get_type(location_from_buffer);
ok(LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS == type,
"Location from buffer type got %d expected %d", type,
LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS);
status = lttng_kernel_probe_location_address_get_address(
location_from_buffer, &_address);
ok(status == LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK, "Getting address");
ok(address == _address,
"Address from buffer is equal. Got %" PRIu64
" expected %" PRIu64,
_address, address);
ok(lttng_kernel_probe_location_is_equal(location, location_from_buffer),
"serialized and from buffer are equal");
lttng_payload_reset(&payload);
lttng_kernel_probe_location_destroy(location);
lttng_kernel_probe_location_destroy(location_from_buffer);
}
static void test_kernel_probe_location_symbol(void)
{
struct lttng_kernel_probe_location *location = NULL;
struct lttng_kernel_probe_location *location_from_buffer = NULL;
enum lttng_kernel_probe_location_status status;
enum lttng_kernel_probe_location_type type;
uint64_t offset = 50, _offset;
const char *symbol = "Une_bonne", *_symbol;
struct lttng_payload payload;
diag("Testing kernel probe location symbol");
lttng_payload_init(&payload);
location = lttng_kernel_probe_location_symbol_create(symbol, offset);
ok(location, "Location object");
type = lttng_kernel_probe_location_get_type(location);
ok(LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET == type,
"Location type got %d expected %d", type,
LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET);
_symbol = lttng_kernel_probe_location_symbol_get_name(location);
ok(_symbol, "Getting symbol name");
ok(!strncmp(symbol, _symbol, strlen(symbol)),
"Symbol name is equal. Got %s, expected %s", _symbol,
symbol);
status = lttng_kernel_probe_location_symbol_get_offset(
location, &_offset);
ok(status == LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK, "Getting offset");
ok(offset == _offset,
"Offset is equal. Got %" PRIu64 " expected %" PRIu64,
_offset, offset);
ok(lttng_kernel_probe_location_serialize(location, &payload) > 0,
"Serializing");
{
struct lttng_payload_view view =
lttng_payload_view_from_payload(
&payload, 0, -1);
ok(lttng_kernel_probe_location_create_from_payload(
&view, &location_from_buffer) > 0,
"Deserializing");
}
type = lttng_kernel_probe_location_get_type(location_from_buffer);
ok(LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET == type,
"Location from buffer type got %d expected %d", type,
LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET);
_symbol = lttng_kernel_probe_location_symbol_get_name(
location_from_buffer);
ok(_symbol, "Getting symbol name");
ok(!strncmp(symbol, _symbol, strlen(symbol)),
"Symbol name is equal. Got %s, expected %s", _symbol,
symbol);
status = lttng_kernel_probe_location_symbol_get_offset(
location_from_buffer, &_offset);
ok(status == LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK, "Getting offset");
ok(offset == _offset,
"Offset is equal. Got %" PRIu64 " expected %" PRIu64,
_offset, offset);
ok(lttng_kernel_probe_location_is_equal(location, location_from_buffer),
"serialized and from buffer are equal");
lttng_payload_reset(&payload);
lttng_kernel_probe_location_destroy(location);
lttng_kernel_probe_location_destroy(location_from_buffer);
}
int main(int argc, const char *argv[])
{
plan_tests(NUM_TESTS);
test_kernel_probe_location_address();
test_kernel_probe_location_symbol();
return exit_status();
}
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