[rtems commit] testsupport: Add cascade option to parallel test
Sebastian Huber
sebh at rtems.org
Fri Mar 6 15:24:57 UTC 2015
Module: rtems
Branch: master
Commit: 33b72fde61b3e50be52000e6ed9030225eab4eb0
Changeset: http://git.rtems.org/rtems/commit/?id=33b72fde61b3e50be52000e6ed9030225eab4eb0
Author: Alexander Krutwig <alexander.krutwig at embedded-brains.de>
Date: Fri Mar 6 16:13:40 2015 +0100
testsupport: Add cascade option to parallel test
---
cpukit/libmisc/testsupport/test.h | 25 ++++++++-
cpukit/libmisc/testsupport/testparallel.c | 30 +++++++----
testsuites/smptests/smpatomic01/init.c | 90 ++++++++++++++++++++-----------
3 files changed, 104 insertions(+), 41 deletions(-)
diff --git a/cpukit/libmisc/testsupport/test.h b/cpukit/libmisc/testsupport/test.h
index afed462..ae6c17e 100644
--- a/cpukit/libmisc/testsupport/test.h
+++ b/cpukit/libmisc/testsupport/test.h
@@ -141,13 +141,16 @@ typedef struct {
*
* @param[in] ctx The parallel context.
* @param[in] arg The user specified argument.
+ * @param[in] active_workers Count of active workers. Depends on the cascade
+ * option.
*
* @return The desired job body execution time in clock ticks. See
* rtems_test_parallel_stop_job().
*/
rtems_interval (*init)(
rtems_test_parallel_context *ctx,
- void *arg
+ void *arg,
+ size_t active_workers
);
/**
@@ -155,12 +158,15 @@ typedef struct {
*
* @param[in] ctx The parallel context.
* @param[in] arg The user specified argument.
+ * @param[in] active_workers Count of active workers. Depends on the cascade
+ * option.
* @param[in] worker_index The worker index. It ranges from 0 to the
* processor count minus one.
*/
void (*body)(
rtems_test_parallel_context *ctx,
void *arg,
+ size_t active_workers,
size_t worker_index
);
@@ -172,13 +178,28 @@ typedef struct {
*
* @param[in] ctx The parallel context.
* @param[in] arg The user specified argument.
+ * @param[in] active_workers Count of active workers. Depends on the cascade
+ * option.
*/
void (*fini)(
rtems_test_parallel_context *ctx,
- void *arg
+ void *arg,
+ size_t active_workers
);
+ /**
+ * @brief Job specific argument.
+ */
void *arg;
+
+ /**
+ * @brief Job cascading flag.
+ *
+ * This flag indicates whether the job should be executed in a cascaded
+ * manner (the job is executed on one processor first, two processors
+ * afterwards and incremented step by step until all processors are used).
+ */
+ bool cascade;
} rtems_test_parallel_job;
/**
diff --git a/cpukit/libmisc/testsupport/testparallel.c b/cpukit/libmisc/testsupport/testparallel.c
index 681f769..c1bdeda 100644
--- a/cpukit/libmisc/testsupport/testparallel.c
+++ b/cpukit/libmisc/testsupport/testparallel.c
@@ -44,6 +44,7 @@ static void start_worker_stop_timer(
ctx
);
_Assert(sc == RTEMS_SUCCESSFUL);
+ (void) sc;
}
static void run_tests(
@@ -58,21 +59,31 @@ static void run_tests(
for (i = 0; i < job_count; ++i) {
const rtems_test_parallel_job *job = &jobs[i];
+ size_t n = rtems_get_processor_count();
+ size_t j = job->cascade ? 0 : rtems_get_processor_count() - 1;
- if (rtems_test_parallel_is_master_worker(worker_index)) {
- rtems_interval duration = (*job->init)(ctx, job->arg);
+ while (j < n) {
+ size_t active_worker = j + 1;
- start_worker_stop_timer(ctx, duration);
- }
+ if (rtems_test_parallel_is_master_worker(worker_index)) {
+ rtems_interval duration = (*job->init)(ctx, job->arg, active_worker);
+
+ start_worker_stop_timer(ctx, duration);
+ }
+
+ _SMP_barrier_Wait(&ctx->barrier, &bs, ctx->worker_count);
- _SMP_barrier_Wait(&ctx->barrier, &bs, ctx->worker_count);
+ if (worker_index <= j) {
+ (*job->body)(ctx, job->arg, active_worker, worker_index);
+ }
- (*job->body)(ctx, job->arg, worker_index);
+ _SMP_barrier_Wait(&ctx->barrier, &bs, ctx->worker_count);
- _SMP_barrier_Wait(&ctx->barrier, &bs, ctx->worker_count);
+ if (rtems_test_parallel_is_master_worker(worker_index)) {
+ (*job->fini)(ctx, job->arg, active_worker);
+ }
- if (rtems_test_parallel_is_master_worker(worker_index)) {
- (*job->fini)(ctx, job->arg);
+ ++j;
}
}
}
@@ -91,6 +102,7 @@ static void worker_task(rtems_task_argument arg)
sc = rtems_event_transient_send(warg.ctx->master_id);
_Assert(sc == RTEMS_SUCCESSFUL);
+ (void) sc;
run_tests(warg.ctx, warg.jobs, warg.job_count, warg.worker_index);
diff --git a/testsuites/smptests/smpatomic01/init.c b/testsuites/smptests/smpatomic01/init.c
index fbd20fa..0241a01 100644
--- a/testsuites/smptests/smpatomic01/init.c
+++ b/testsuites/smptests/smpatomic01/init.c
@@ -98,7 +98,8 @@ static void test_fini(
static rtems_interval test_atomic_add_init(
rtems_test_parallel_context *base,
- void *arg
+ void *arg,
+ size_t active_workers
)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -111,6 +112,7 @@ static rtems_interval test_atomic_add_init(
static void test_atomic_add_body(
rtems_test_parallel_context *base,
void *arg,
+ size_t active_workers,
size_t worker_index
)
{
@@ -125,7 +127,11 @@ static void test_atomic_add_body(
ctx->per_worker_value[worker_index] = counter;
}
-static void test_atomic_add_fini(rtems_test_parallel_context *base, void *arg)
+static void test_atomic_add_fini(
+ rtems_test_parallel_context *base,
+ void *arg,
+ size_t active_workers
+)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -134,7 +140,8 @@ static void test_atomic_add_fini(rtems_test_parallel_context *base, void *arg)
static rtems_interval test_atomic_flag_init(
rtems_test_parallel_context *base,
- void *arg
+ void *arg,
+ size_t active_workers
)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -148,6 +155,7 @@ static rtems_interval test_atomic_flag_init(
static void test_atomic_flag_body(
rtems_test_parallel_context *base,
void *arg,
+ size_t active_workers,
size_t worker_index
)
{
@@ -168,7 +176,11 @@ static void test_atomic_flag_body(
ctx->per_worker_value[worker_index] = counter;
}
-static void test_atomic_flag_fini(rtems_test_parallel_context *base, void *arg)
+static void test_atomic_flag_fini(
+ rtems_test_parallel_context *base,
+ void *arg,
+ size_t active_workers
+ )
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -177,7 +189,8 @@ static void test_atomic_flag_fini(rtems_test_parallel_context *base, void *arg)
static rtems_interval test_atomic_sub_init(
rtems_test_parallel_context *base,
- void *arg
+ void *arg,
+ size_t active_workers
)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -190,6 +203,7 @@ static rtems_interval test_atomic_sub_init(
static void test_atomic_sub_body(
rtems_test_parallel_context *base,
void *arg,
+ size_t active_workers,
size_t worker_index
)
{
@@ -204,7 +218,11 @@ static void test_atomic_sub_body(
ctx->per_worker_value[worker_index] = counter;
}
-static void test_atomic_sub_fini(rtems_test_parallel_context *base, void *arg)
+static void test_atomic_sub_fini(
+ rtems_test_parallel_context *base,
+ void *arg,
+ size_t active_workers
+)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -213,7 +231,8 @@ static void test_atomic_sub_fini(rtems_test_parallel_context *base, void *arg)
static rtems_interval test_atomic_compare_exchange_init(
rtems_test_parallel_context *base,
- void *arg
+ void *arg,
+ size_t active_workers
)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -227,6 +246,7 @@ static rtems_interval test_atomic_compare_exchange_init(
static void test_atomic_compare_exchange_body(
rtems_test_parallel_context *base,
void *arg,
+ size_t active_workers,
size_t worker_index
)
{
@@ -259,7 +279,8 @@ static void test_atomic_compare_exchange_body(
static void test_atomic_compare_exchange_fini(
rtems_test_parallel_context *base,
- void *arg
+ void *arg,
+ size_t active_workers
)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -269,7 +290,8 @@ static void test_atomic_compare_exchange_fini(
static rtems_interval test_atomic_or_and_init(
rtems_test_parallel_context *base,
- void *arg
+ void *arg,
+ size_t active_workers
)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -282,6 +304,7 @@ static rtems_interval test_atomic_or_and_init(
static void test_atomic_or_and_body(
rtems_test_parallel_context *base,
void *arg,
+ size_t active_workers,
size_t worker_index
)
{
@@ -316,7 +339,8 @@ static void test_atomic_or_and_body(
static void test_atomic_or_and_fini(
rtems_test_parallel_context *base,
- void *arg
+ void *arg,
+ size_t active_workers
)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -326,7 +350,8 @@ static void test_atomic_or_and_fini(
static rtems_interval test_atomic_fence_init(
rtems_test_parallel_context *base,
- void *arg
+ void *arg,
+ size_t active_workers
)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -341,6 +366,7 @@ static rtems_interval test_atomic_fence_init(
static void test_atomic_fence_body(
rtems_test_parallel_context *base,
void *arg,
+ size_t active_workers,
size_t worker_index
)
{
@@ -369,7 +395,11 @@ static void test_atomic_fence_body(
}
}
-static void test_atomic_fence_fini(rtems_test_parallel_context *base, void *arg)
+static void test_atomic_fence_fini(
+ rtems_test_parallel_context *base,
+ void *arg,
+ size_t active_workers
+)
{
smpatomic01_context *ctx = (smpatomic01_context *) base;
@@ -383,29 +413,29 @@ static void test_atomic_fence_fini(rtems_test_parallel_context *base, void *arg)
static const rtems_test_parallel_job test_jobs[] = {
{
- test_atomic_add_init,
- test_atomic_add_body,
- test_atomic_add_fini
+ .init = test_atomic_add_init,
+ .body = test_atomic_add_body,
+ .fini = test_atomic_add_fini
}, {
- test_atomic_flag_init,
- test_atomic_flag_body,
- test_atomic_flag_fini
+ .init = test_atomic_flag_init,
+ .body =test_atomic_flag_body,
+ .fini =test_atomic_flag_fini
}, {
- test_atomic_sub_init,
- test_atomic_sub_body,
- test_atomic_sub_fini
+ .init = test_atomic_sub_init,
+ .body =test_atomic_sub_body,
+ .fini =test_atomic_sub_fini
}, {
- test_atomic_compare_exchange_init,
- test_atomic_compare_exchange_body,
- test_atomic_compare_exchange_fini
+ .init = test_atomic_compare_exchange_init,
+ .body =test_atomic_compare_exchange_body,
+ .fini =test_atomic_compare_exchange_fini
}, {
- test_atomic_or_and_init,
- test_atomic_or_and_body,
- test_atomic_or_and_fini
+ .init = test_atomic_or_and_init,
+ .body =test_atomic_or_and_body,
+ .fini =test_atomic_or_and_fini
}, {
- test_atomic_fence_init,
- test_atomic_fence_body,
- test_atomic_fence_fini
+ .init = test_atomic_fence_init,
+ .body =test_atomic_fence_body,
+ .fini =test_atomic_fence_fini
},
};
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