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gpu: nvgpu: add tests for posix thread

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Add more tests as part of Thread unit test to increase the
branch coverage.
Move struct instances to C file as part of cleanup.

Jira NVGPU-4478

Change-Id: Ie750f67a38abecae4d85327e002d3163539bfef0
Signed-off-by: ajesh <akv@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2292278
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
ajesh
2020-02-10 11:35:04 +05:30
committed by Alex Waterman
parent 374a0a1dbe
commit b342b29600
2 changed files with 162 additions and 114 deletions
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145
userspace/units/posix/thread/posix-thread.c
View File

@@ -27,6 +27,129 @@
#include <unit/unit.h>
#include "posix-thread.h"
#define UNIT_TEST_THREAD_PRIORITY 5
struct test_thread_args {
bool use_priority;
bool check_stop;
bool stop_graceful;
bool use_name;
bool stop_repeat;
bool ret_err;
bool skip_callback;
};
struct unit_test_thread_data {
int thread_created;
int check_priority;
int thread_priority;
int check_stop;
int callback_invoked;
int use_return;
};
static struct test_thread_args create_normal = {
.use_priority = false,
.check_stop = false,
.stop_graceful = false,
.use_name = true,
.stop_repeat = false,
.ret_err = false,
.skip_callback = false
};
static struct test_thread_args create_normal_noname = {
.use_priority = false,
.check_stop = false,
.stop_graceful = false,
.use_name = false,
.stop_repeat = false,
.ret_err = false,
.skip_callback = false
};
static struct test_thread_args create_normal_errret = {
.use_priority = false,
.check_stop = false,
.stop_graceful = false,
.use_name = true,
.stop_repeat = false,
.ret_err = true,
.skip_callback = false
};
static struct test_thread_args create_priority = {
.use_priority = true,
.check_stop = false,
.stop_graceful = false,
.use_name = true,
.stop_repeat = false,
.ret_err = false,
.skip_callback = false
};
static struct test_thread_args create_priority_noname = {
.use_priority = true,
.check_stop = false,
.stop_graceful = false,
.use_name = false,
.stop_repeat = false,
.ret_err = false,
.skip_callback = false
};
static struct test_thread_args check_stop = {
.use_priority = false,
.check_stop = true,
.stop_graceful = false,
.use_name = true,
.stop_repeat = false,
.ret_err = false,
.skip_callback = false
};
static struct test_thread_args check_stop_repeat = {
.use_priority = false,
.check_stop = true,
.stop_graceful = false,
.use_name = true,
.stop_repeat = true,
.ret_err = false,
.skip_callback = false
};
static struct test_thread_args stop_graceful = {
.use_priority = false,
.check_stop = true,
.stop_graceful = true,
.use_name = true,
.stop_repeat = false,
.ret_err = false,
.skip_callback = false
};
static struct test_thread_args stop_graceful_repeat = {
.use_priority = false,
.check_stop = true,
.stop_graceful = true,
.use_name = true,
.stop_repeat = true,
.ret_err = false,
.skip_callback = false
};
static struct test_thread_args stop_graceful_skip_callback = {
.use_priority = false,
.check_stop = true,
.stop_graceful = true,
.use_name = true,
.stop_repeat = false,
.ret_err = false,
.skip_callback = true
};
static struct nvgpu_thread test_thread;
static struct unit_test_thread_data test_data;
static int test_thread_fn(void *args)
{
int policy;
@@ -135,12 +258,22 @@ int test_thread_cycle(struct unit_module *m, struct gk20a *g, void *args)
if (test_args->stop_graceful == false) {
nvgpu_thread_stop(&test_thread);
if (test_args->stop_repeat == true) {
nvgpu_thread_stop(&test_thread);
}
} else {
nvgpu_thread_stop_graceful(&test_thread,
test_thread_stop_graceful_callback,
&test_data);
if (!test_data.callback_invoked) {
unit_return_fail(m, "Callback not invoked\n");
if (test_args->skip_callback == false) {
nvgpu_thread_stop_graceful(&test_thread,
test_thread_stop_graceful_callback,
&test_data);
if (!test_data.callback_invoked) {
unit_return_fail(m,
"Callback not invoked\n");
}
} else {
nvgpu_thread_stop_graceful(&test_thread,
NULL,
&test_data);
}
if (test_args->stop_repeat == true) {
@@ -167,8 +300,10 @@ struct unit_module_test posix_thread_tests[] = {
UNIT_TEST(create_priority, test_thread_cycle, &create_priority, 0),
UNIT_TEST(create_priority_noname, test_thread_cycle, &create_priority_noname, 0),
UNIT_TEST(cycle, test_thread_cycle, &check_stop, 0),
UNIT_TEST(stop_repeat, test_thread_cycle, &check_stop_repeat, 0),
UNIT_TEST(stop_graceful, test_thread_cycle, &stop_graceful, 0),
UNIT_TEST(stop_graceful_repeat, test_thread_cycle, &stop_graceful_repeat, 0),
UNIT_TEST(stop_graceful_skipcb, test_thread_cycle, &stop_graceful_skip_callback, 0),
};
UNIT_MODULE(posix_thread, posix_thread_tests, UNIT_PRIO_POSIX_TEST);

131
userspace/units/posix/thread/posix-thread.h
View File

@@ -31,101 +31,6 @@
#include <nvgpu/thread.h>
#define UNIT_TEST_THREAD_PRIORITY 5
struct test_thread_args {
bool use_priority;
bool check_stop;
bool stop_graceful;
bool use_name;
bool stop_repeat;
bool ret_err;
};
static struct test_thread_args create_normal = {
.use_priority = false,
.check_stop = false,
.stop_graceful = false,
.use_name = true,
.stop_repeat = false,
.ret_err = false
};
static struct test_thread_args create_normal_noname = {
.use_priority = false,
.check_stop = false,
.stop_graceful = false,
.use_name = false,
.stop_repeat = false,
.ret_err = false
};
static struct test_thread_args create_normal_errret = {
.use_priority = false,
.check_stop = false,
.stop_graceful = false,
.use_name = true,
.stop_repeat = false,
.ret_err = true
};
static struct test_thread_args create_priority = {
.use_priority = true,
.check_stop = false,
.stop_graceful = false,
.use_name = true,
.stop_repeat = false,
.ret_err = false
};
static struct test_thread_args create_priority_noname = {
.use_priority = true,
.check_stop = false,
.stop_graceful = false,
.use_name = false,
.stop_repeat = false,
.ret_err = false
};
static struct test_thread_args check_stop = {
.use_priority = false,
.check_stop = true,
.stop_graceful = false,
.use_name = true,
.stop_repeat = false,
.ret_err = false
};
static struct test_thread_args stop_graceful = {
.use_priority = false,
.check_stop = true,
.stop_graceful = true,
.use_name = true,
.stop_repeat = false,
.ret_err = false
};
static struct test_thread_args stop_graceful_repeat = {
.use_priority = false,
.check_stop = true,
.stop_graceful = true,
.use_name = true,
.stop_repeat = true,
.ret_err = false
};
struct unit_test_thread_data {
int thread_created;
int check_priority;
int thread_priority;
int check_stop;
int callback_invoked;
int use_return;
};
struct nvgpu_thread test_thread;
struct unit_test_thread_data test_data;
/**
* Test specification for test_thread_cycle
*
@@ -156,17 +61,17 @@ struct unit_test_thread_data test_data;
* 3) Check the return value from nvgpu_thread_create for error.
* 4) Wait for the thread to be created by polling for a shared variable.
* 5) Return Success once the thread function is called and the shared
* variable is set which indicates a succesful thread creation.
* variable is set which indicates a successful thread creation.
*
* Thread creation with a priority value
* 1) Reset all global and shared variables to 0.
* 2) Create thread using nvgpu_thread_create_priority
* 3) Check the return value from nvgpu_thread_create_priority for error.
* 4) Wait for the thread to be created by polling for a shared variable.
* 5) Upon succesful creation of the thread, confirm the priority of the
* thread to be same as requested priority.
* 5) Upon successful creation of the thread, confirm the priority of the
* thread to be same as requested priority.
* 6) In some host machines, permission is not granted to create threads
* with priority. In that case skip the test by returning PASS.
* with priority. In that case skip the test by returning PASS.
* 7) Return PASS if the thread is created with requested priority.
*
* Thread stop
@@ -174,28 +79,36 @@ struct unit_test_thread_data test_data;
* 2) The created thread does not exit unconditionally in this case.
* 3) It polls for the stop flag to be set.
* 4) The main thread checks the status of the created thread and confirms
* it to be running.
* it to be running.
* 5) Request the thread to stop by calling nvgpu_thread_stop.
* 6) Created thread detects this inside the poll loop and exits.
* 7) Main thread continues once the created thread exits and returns PASS.
* 7) Main thread continues once the created thread exits.
* 8) If stop_repeat flag is set, invoke nvgpu_thread_stop again. This is done
* to increase branch coverage.
* 9) Return PASS.
*
* Stop thread gracefully
* 1) Follow steps 1 - 4 of Thread stop scenario.
* 2) Call the api nvgpu_thread_stop_graceful and pass the function to be
* called for graceful exit.
* 2) Call the function nvgpu_thread_stop_graceful. Depending on the flag
* skip_callback, either NULL or a function is passed as callback parameter
* to be called for graceful exit.
* 3) Created thread detects the stop request and exits.
* 4) Main thread continues after the created thread exits and
* confirms if the call back function was called by checking a shared variable.
* 5) Main thread returns PASS is step 4 passes, else returns FAIL.
* 4) Main thread continues after the created thread exits.
* 5) If skip_callback flag is set to false, confirm if the call back function
* was called by checking a shared variable value.
* 6) If stop_repeat flag is set, invoke nvgpu_thread_stop_graceful function
* again. This invocation should not call the callback function as the
* thread was already stopped in step 5.
* 7) Return PASS.
*
* Output:
* The output for each test scenario is as follows,
* 1) Thread creation
* Return PASS if thread creation is succesful else return FAIL.
* Return PASS if thread creation is successful else return FAIL.
*
* 2) Thread creation with a priority value
* Return PASS if thread creation with priority is succesful
* else return FAIL. ALso return PASS if permission is denied for creating
* Return PASS if thread creation with priority is successful
* else return FAIL. Also return PASS if permission is denied for creating
* a thread with priority.
*
* 3) Thread stop