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Tools: Added semaphore ops to CPUInfo

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taking a semaphore on F765 takes about 1.3us. About 1.5us for a
recursive semaphore

On a F405 it costs about 2.6us for semaphore, about 2.8us for
recursive semaphore
This commit is contained in:
Andrew Tridgell 2020-01-18 15:53:36 +11:00
parent 4445313661
commit 5c4dda38b5
1 changed files with 5 additions and 0 deletions
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5
Tools/CPUInfo/CPUInfo.cpp
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@ -27,6 +27,8 @@ static uint32_t sysclk = 0;
static EKF_Maths ekf;
HAL_Semaphore sem;
HAL_Semaphore_Recursive rsem;
void setup() {
@ -158,6 +160,9 @@ static void show_timings(void)
TIMEIT("memcpy128", memcpy((void*)mbuf1, (const void *)mbuf2, sizeof(mbuf1)); v_out_8 += mbuf1[0], 200);
TIMEIT("memset128", memset((void*)mbuf1, 1, sizeof(mbuf1)); v_out_8 += mbuf1[0], 200);
TIMEIT("delay(1)", hal.scheduler->delay(1), 5);
TIMEIT("SEM", { WITH_SEMAPHORE(sem); v_out_32 += v_32;}, 100);
TIMEIT("RSEM", { WITH_SEMAPHORE(rsem); v_out_32 += v_32;}, 100);
}
void loop()