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px4_platform_common: atomic support larger types with critical sections (on NuttX)

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This commit is contained in:
Daniel Agar
2021-07-08 10:56:25 -04:00
committed by GitHub
parent 32fe63916d
commit e4983ab88c
2 changed files with 169 additions and 11 deletions
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src/systemcmds/tests/test_microbench_atomic.cpp
+29
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@@ -85,6 +85,7 @@ private:
bool time_atomic_int32();
bool time_atomic_uint32();
bool time_atomic_float();
bool time_atomic_hrt_abstime();
void reset();
@@ -129,6 +130,10 @@ private:
px4::atomic<float> _atomic_float{0};
px4::atomic<float> _atomic_float_storage{0};
float _test_load_float{};
px4::atomic<hrt_abstime> _atomic_hrt_abstime{0};
px4::atomic<hrt_abstime> _atomic_hrt_abstime_storage{0};
hrt_abstime _test_load_hrt_abstime{};
};
bool MicroBenchAtomic::run_tests()
@@ -139,6 +144,7 @@ bool MicroBenchAtomic::run_tests()
ut_run_test(time_atomic_int32);
ut_run_test(time_atomic_uint32);
ut_run_test(time_atomic_float);
ut_run_test(time_atomic_hrt_abstime);
return (_tests_failed == 0);
}
@@ -288,4 +294,27 @@ bool MicroBenchAtomic::time_atomic_float()
return true;
}
bool MicroBenchAtomic::time_atomic_hrt_abstime()
{
ut_compare("atomic hrt_abstime load", _atomic_hrt_abstime.load(), 0);
PERF("atomic hrt_abstime load", volatile hrt_abstime test_load = _atomic_hrt_abstime.load(), 100);
_test_load_hrt_abstime = 1;
PERF("atomic hrt_abstime store", _atomic_hrt_abstime.store(_test_load_hrt_abstime), 100);
ut_compare("atomic hrt_abstime load", _atomic_hrt_abstime.load(), 1);
PERF("atomic hrt_abstime load and store", _atomic_hrt_abstime_storage.store(_atomic_hrt_abstime.load()), 100);
hrt_abstime expected = 12345678;
PERF("atomic hrt_abstime compare exchange (same)",
volatile bool compare_exchange = _atomic_hrt_abstime.compare_exchange(&expected, 12345678), 100);
ut_compare("atomic hrt_abstime load", _atomic_hrt_abstime.compare_exchange(&expected, 12345678) == true, true);
PERF("atomic hrt_abstime compare exchange (different)",
volatile bool compare_exchange = _atomic_hrt_abstime.compare_exchange(&expected, 0), 100);
ut_compare("atomic hrt_abstime load", _atomic_hrt_abstime.compare_exchange(&expected, 0) == false, false);
return true;
}
} // namespace MicroBenchAtomic