1 | #include <clock.hfa> |
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2 | #include <fstream.hfa> |
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3 | #include <kernel.hfa> |
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4 | #include <thread.hfa> |
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5 | #include <time.hfa> |
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6 | |
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7 | #include "long_tests.hfa" |
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8 | |
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9 | #ifndef PREEMPTION_RATE |
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10 | #define PREEMPTION_RATE 10`ms |
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11 | #endif |
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12 | |
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13 | Duration default_preemption() { |
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14 | return PREEMPTION_RATE; |
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15 | } |
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16 | |
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17 | #ifdef TEST_LONG |
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18 | static const unsigned long N = 30_000ul; |
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19 | #else |
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20 | static const unsigned long N = 500ul; |
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21 | static volatile Time prev; |
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22 | static Duration preempt_durations[6] = { 0 }; |
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23 | #endif |
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24 | |
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25 | extern void __cfaabi_check_preemption(); |
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26 | |
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27 | static volatile int counter = 0; |
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28 | |
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29 | thread worker_t { |
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30 | int value; |
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31 | unsigned long long spin; |
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32 | }; |
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33 | |
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34 | void ?{}( worker_t & this, int value ) { |
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35 | this.value = value; |
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36 | this.spin = 0; |
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37 | } |
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38 | |
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39 | void main(worker_t & this) { |
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40 | while(TEST(counter < N)) { |
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41 | if(this.spin > 50_000_000_000) abort | "Worker" | this.value | "has been spinning too long! (" | this.spin | ")"; |
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42 | __cfaabi_check_preemption(); |
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43 | if( (counter % 7) == this.value ) { |
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44 | __cfaabi_check_preemption(); |
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45 | #if !defined(TEST_LONG) |
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46 | Time now = timeHiRes(); |
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47 | Duration diff = now - prev; |
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48 | prev = now; |
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49 | #endif |
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50 | int next = __atomic_add_fetch( &counter, 1, __ATOMIC_SEQ_CST ); |
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51 | __cfaabi_check_preemption(); |
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52 | if( (next % 100) == 0 ) { |
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53 | #if !defined(TEST_LONG) |
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54 | unsigned idx = next / 100; |
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55 | if (idx >= 6) abort | "Idx from next is invalid: " | idx | "vs" | next; |
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56 | preempt_durations[idx] = diff; |
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57 | if(diff > 12`s) serr | "Duration suspiciously large:" | diff; |
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58 | #endif |
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59 | printf("%d\n", (int)next); |
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60 | |
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61 | } |
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62 | __cfaabi_check_preemption(); |
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63 | this.spin = 0; |
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64 | } |
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65 | __cfaabi_check_preemption(); |
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66 | KICK_WATCHDOG; |
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67 | this.spin++; |
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68 | } |
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69 | } |
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70 | |
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71 | int main(int argc, char* argv[]) { |
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72 | processor p; |
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73 | { |
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74 | prev = timeHiRes(); |
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75 | worker_t w0 = 0; |
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76 | worker_t w1 = 1; |
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77 | worker_t w2 = 2; |
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78 | worker_t w3 = 3; |
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79 | worker_t w4 = 4; |
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80 | worker_t w5 = 5; |
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81 | worker_t w6 = 6; |
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82 | } |
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83 | } |
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