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system/cachespeed:Average time to add

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crafcat7 2022-10-15 00:01:27 +08:00 • committed by Xiang Xiao
parent 78541e9876
commit 2ad6dc37d8
1 changed files with 20 additions and 17 deletions
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37
system/cachespeed/cachespeed_main.c
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@ -162,29 +162,30 @@ static uint32_t get_time_elaps(uint32_t prev_time)
****************************************************************************/
static void print_result(FAR const char *name, size_t bytes,
uint32_t cost_time)
uint32_t cost_time, uint32_t repeat_cnt)
{
uint32_t rate;
struct timespec ts;
/* Converted to ms */
/* Converted to ns */
up_perf_convert(cost_time, &ts);
cost_time = ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
cost_time = ts.tv_sec * 1000000000 + ts.tv_nsec;
if (cost_time == 0)
if (cost_time / 1000000 == 0)
{
printf(CACHESPEED_PREFIX
"Time-consuming is too short\n");
exit(EXIT_FAILURE);
"The total overhead time in millisecond precision"
"is too short.\n");
}
/* rate = (bytes / 1024) / (cost_time / 1000) */
/* rate = (bytes / 1024) / (cost_time / 1000000000) */
rate = (uint64_t)bytes * 1000 / cost_time / 1024;
rate = (uint64_t)bytes * 1000000000 / cost_time / 1024;
printf(CACHESPEED_PREFIX
"%s cost = %" PRIu32 " ms\t[Rate: %" PRIu32 "KB/s]\n",
name, cost_time, rate);
"%s avg = %"PRIu32 " ns\t Rate: %" PRIu32 "KB/s\t"
"[cost = %" PRIu32 " ms]\n",
name, cost_time / repeat_cnt, rate, cost_time / 1000000);
}
/****************************************************************************
@ -229,8 +230,8 @@ static void dcache_speed_test(FAR void *begin, size_t memset_size,
}
leave_critical_section(flags);
print_result("clean dcache():\t", total_size, clean_cost_time);
print_result("flush dcache():\t", total_size, flush_cost_time);
print_result("clean dcache():\t", total_size, clean_cost_time, repeat_cnt);
print_result("flush dcache():\t", total_size, flush_cost_time, repeat_cnt);
for (pt = 32; pt <= opt_size; pt <<= 1)
{
@ -273,9 +274,11 @@ static void dcache_speed_test(FAR void *begin, size_t memset_size,
leave_critical_section(flags);
print_result("invalidate dcache():\t",
total_size, invalidate_cost_time);
print_result("clean dcache():\t", total_size, clean_cost_time);
print_result("flush dcache():\t", total_size, flush_cost_time);
total_size, invalidate_cost_time, repeat_cnt);
print_result("clean dcache():\t", total_size, clean_cost_time,
repeat_cnt);
print_result("flush dcache():\t", total_size, flush_cost_time,
repeat_cnt);
}
}
@ -308,7 +311,7 @@ static void icache_speed_test(FAR void *begin, size_t memset_size,
leave_critical_section(flags);
print_result("invalidate dcache():\t",
memset_size * repeat_cnt, invalidate_cost_time);
memset_size * repeat_cnt, invalidate_cost_time, repeat_cnt);
for (pt = 32; pt <= memset_size; pt <<= 1)
{
@ -336,7 +339,7 @@ static void icache_speed_test(FAR void *begin, size_t memset_size,
leave_critical_section(flags);
print_result("invalidate icache():\t",
total_size, invalidate_cost_time);
total_size, invalidate_cost_time, repeat_cnt);
}
}