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feat(mmu): use cache freeze for mmap apis

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This commit is contained in:
armando
2025-06-11 14:48:40 +08:00
parent 98cd765953
commit 90b3d29223
9 changed files with 246 additions and 54 deletions
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components/esp_mm/test_apps/mm/main/CMakeLists.txt
+4 -1
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@@ -6,9 +6,12 @@ if(CONFIG_SOC_CACHE_WRITEBACK_SUPPORTED)
list(APPEND srcs "test_cache_msync.c")
endif()
if(CONFIG_SOC_CACHE_FREEZE_SUPPORTED)
list(APPEND srcs "test_cache_utils.c")
endif()
# In order for the cases defined by `TEST_CASE` to be linked into the final elf,
# the component can be registered as WHOLE_ARCHIVE
idf_component_register(SRCS ${srcs}
PRIV_REQUIRES unity esp_partition spi_flash esp_mm driver esp_timer test_mm_utils
PRIV_REQUIRES unity esp_partition spi_flash esp_mm driver esp_timer test_mm_utils test_utils
WHOLE_ARCHIVE)
components/esp_mm/test_apps/mm/main/idf_component.yml
+3
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@@ -0,0 +1,3 @@
dependencies:
test_utils:
path: ${IDF_PATH}/tools/unit-test-app/components/test_utils
components/esp_mm/test_apps/mm/main/test_cache_utils.c
+67
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@@ -0,0 +1,67 @@
/*
* SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <sys/param.h>
#include <string.h>
#include "sdkconfig.h"
#include "inttypes.h"
#include "unity.h"
#include "esp_log.h"
#include "esp_attr.h"
#include "esp_cpu.h"
#include "esp_private/esp_cache_private.h"
#include "esp_private/cache_utils.h"
#include "test_utils.h"
#if !CONFIG_FREERTOS_UNICORE
#define RECORD_TIME_PREPARE() uint32_t __t1, __t2
#define RECORD_TIME_START() do {__t1 = esp_cpu_get_cycle_count();} while(0)
#define RECORD_TIME_END(p_time) do{__t2 = esp_cpu_get_cycle_count(); p_time = (__t2 - __t1);} while(0)
#define GET_US_BY_CCOUNT(t) ((double)(t)/CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ)
static void IRAM_ATTR NOINLINE_ATTR s_test_func_freeze_unfreeze(void)
{
esp_cache_freeze_caches_disable_interrupts();
for (int i = 0; i < 100; i++) {
asm volatile("nop");
}
esp_cache_unfreeze_caches_enable_interrupts();
}
static void IRAM_ATTR NOINLINE_ATTR s_test_func_disable_enable(void)
{
spi_flash_disable_interrupts_caches_and_other_cpu();
for (int i = 0; i < 100; i++) {
asm volatile("nop");
}
spi_flash_enable_interrupts_caches_and_other_cpu();
}
TEST_CASE("test esp_cache_freeze_caches_disable_interrupts speed", "[cache]")
{
uint32_t cache_disable_enable_time = 0;
uint32_t cache_freeze_unfreeze_time = 0;
s_test_func_freeze_unfreeze();
s_test_func_disable_enable();
RECORD_TIME_PREPARE();
RECORD_TIME_START();
s_test_func_freeze_unfreeze();
RECORD_TIME_END(cache_freeze_unfreeze_time);
uint32_t cache_freeze_unfreeze_time_us = GET_US_BY_CCOUNT(cache_freeze_unfreeze_time);
IDF_LOG_PERFORMANCE("Cache freeze time", "cache_freeze_unfreeze_time: %"PRId32" cpu cycles, %"PRId32" us", cache_freeze_unfreeze_time, cache_freeze_unfreeze_time_us);
RECORD_TIME_START();
s_test_func_disable_enable();
RECORD_TIME_END(cache_disable_enable_time);
uint32_t cache_disable_enable_time_us = GET_US_BY_CCOUNT(cache_disable_enable_time);
IDF_LOG_PERFORMANCE("Cache disable time", "cache_disable_enable_time: %"PRId32", cpu cycles, %"PRId32" us", cache_disable_enable_time, cache_disable_enable_time_us);
TEST_ASSERT(cache_freeze_unfreeze_time < cache_disable_enable_time);
}
#endif // #if !CONFIG_FREERTOS_UNICORE