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https://github.com/espressif/esp-idf.git
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66fb5a29bb
Apply the pre-commit hook whitespace fixes to all files in the repo. (Line endings, blank lines at end of file, trailing whitespace)
109 lines
3.7 KiB
C
109 lines
3.7 KiB
C
#include "freertos/FreeRTOS.h"
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#include <esp_types.h>
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#include <stdio.h>
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#include "unity.h"
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#include "esp_attr.h"
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#include "esp_heap_caps.h"
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#include <stdlib.h>
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#include <sys/param.h>
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#include <string.h>
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#include <test_utils.h>
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//This test only makes sense with poisoning disabled
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#ifndef CONFIG_HEAP_POISONING_COMPREHENSIVE
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#define NUM_POINTERS 128
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#define ITERATIONS 10000
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TEST_CASE("Heap many random allocations timings", "[heap]")
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{
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void *p[NUM_POINTERS] = { 0 };
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size_t s[NUM_POINTERS] = { 0 };
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uint32_t cycles_before;
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uint64_t alloc_time_average = 0;
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uint64_t free_time_average = 0;
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uint64_t realloc_time_average = 0;
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for (int i = 0; i < ITERATIONS; i++) {
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uint8_t n = esp_random() % NUM_POINTERS;
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if (esp_random() % 4 == 0) {
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/* 1 in 4 iterations, try to realloc the buffer instead
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of using malloc/free
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*/
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size_t new_size = esp_random() % 1024;
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cycles_before = portGET_RUN_TIME_COUNTER_VALUE();
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void *new_p = heap_caps_realloc(p[n], new_size, MALLOC_CAP_DEFAULT);
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realloc_time_average = portGET_RUN_TIME_COUNTER_VALUE() - cycles_before;
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printf("realloc %p -> %p (%zu -> %zu) time spent cycles: %lld \n", p[n], new_p, s[n], new_size, realloc_time_average);
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heap_caps_check_integrity(MALLOC_CAP_DEFAULT, true);
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if (new_size == 0 || new_p != NULL) {
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p[n] = new_p;
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s[n] = new_size;
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if (new_size > 0) {
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memset(p[n], n, new_size);
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}
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}
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continue;
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}
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if (p[n] != NULL) {
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if (s[n] > 0) {
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/* Verify pre-existing contents of p[n] */
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uint8_t compare[s[n]];
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memset(compare, n, s[n]);
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TEST_ASSERT(( memcmp(compare, p[n], s[n]) == 0 ));
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}
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TEST_ASSERT(heap_caps_check_integrity(MALLOC_CAP_DEFAULT, true));
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cycles_before = portGET_RUN_TIME_COUNTER_VALUE();
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heap_caps_free(p[n]);
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free_time_average = portGET_RUN_TIME_COUNTER_VALUE() - cycles_before;
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printf("freed %p (%zu) time spent cycles: %lld\n", p[n], s[n], free_time_average);
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if (!heap_caps_check_integrity(MALLOC_CAP_DEFAULT, true)) {
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printf("FAILED iteration %d after freeing %p\n", i, p[n]);
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heap_caps_dump(MALLOC_CAP_DEFAULT);
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TEST_ASSERT(0);
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}
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}
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s[n] = rand() % 1024;
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heap_caps_check_integrity(MALLOC_CAP_DEFAULT, true);
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cycles_before = portGET_RUN_TIME_COUNTER_VALUE();
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p[n] = heap_caps_malloc(s[n], MALLOC_CAP_DEFAULT);
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alloc_time_average = portGET_RUN_TIME_COUNTER_VALUE() - cycles_before;
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printf("malloc %p (%zu) time spent cycles: %lld \n", p[n], s[n], alloc_time_average);
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if (!heap_caps_check_integrity(MALLOC_CAP_DEFAULT, true)) {
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printf("FAILED iteration %d after mallocing %p (%zu bytes)\n", i, p[n], s[n]);
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heap_caps_dump(MALLOC_CAP_DEFAULT);
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TEST_ASSERT(0);
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}
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if (p[n] != NULL) {
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memset(p[n], n, s[n]);
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}
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}
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for (int i = 0; i < NUM_POINTERS; i++) {
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cycles_before = portGET_RUN_TIME_COUNTER_VALUE();
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heap_caps_free( p[i]);
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free_time_average = portGET_RUN_TIME_COUNTER_VALUE() - cycles_before;
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if (!heap_caps_check_integrity(MALLOC_CAP_DEFAULT, true)) {
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printf("FAILED during cleanup after freeing %p\n", p[i]);
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heap_caps_dump(MALLOC_CAP_DEFAULT);
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TEST_ASSERT(0);
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}
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}
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TEST_ASSERT(heap_caps_check_integrity(MALLOC_CAP_DEFAULT, true));
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}
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#endif
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