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libbase/memtest: add memtest_data_speed function that prints speed in B/KiB/MiB/GiB/s depending the value.

This commit is contained in:
Florent Kermarrec 2020-10-07 13:00:54 +02:00
parent 0a80e4c3d6
commit 4f30a5b8e5
1 changed files with 18 additions and 2 deletions
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20
litex/soc/software/libbase/memtest.c
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@ -130,6 +130,18 @@ static void memtest_data_progress(const char * header, unsigned int offset, unsi
printf( "%s 0x%x-0x%x (%d/%dGiB)\r", header, offset, offset + addr, addr/GIB, size/GIB); printf( "%s 0x%x-0x%x (%d/%dGiB)\r", header, offset, offset + addr, addr/GIB, size/GIB);
} }
static void memtest_data_speed(unsigned long speed) {
if (speed < KIB)
printf("%luB/s", speed);
else if (speed < MIB)
printf("%luKiB/s", speed/KIB);
else if (speed < GIB)
printf("%luMiB/s", speed/MIB);
else
printf("%luGiB/s", speed/GIB);
}
int memtest_data(unsigned int *addr, unsigned long size, int random) int memtest_data(unsigned int *addr, unsigned long size, int random)
{ {
volatile unsigned int *array = addr; volatile unsigned int *array = addr;
@ -202,7 +214,9 @@ void memspeed(unsigned int *addr, unsigned long size, bool read_only)
uint64_t numerator = ((uint64_t)size)*((uint64_t)CONFIG_CLOCK_FREQUENCY); uint64_t numerator = ((uint64_t)size)*((uint64_t)CONFIG_CLOCK_FREQUENCY);
uint64_t denominator = ((uint64_t)start - (uint64_t)end); uint64_t denominator = ((uint64_t)start - (uint64_t)end);
write_speed = numerator/denominator; write_speed = numerator/denominator;
printf(" Write speed: %lub/s\n", write_speed); printf(" Write speed: ");
memtest_data_speed(write_speed);
printf("\n");
} }
/* flush CPU and L2 caches */ /* flush CPU and L2 caches */
@ -223,7 +237,9 @@ void memspeed(unsigned int *addr, unsigned long size, bool read_only)
uint64_t numerator = ((uint64_t)size)*((uint64_t)CONFIG_CLOCK_FREQUENCY); uint64_t numerator = ((uint64_t)size)*((uint64_t)CONFIG_CLOCK_FREQUENCY);
uint64_t denominator = ((uint64_t)start - (uint64_t)end); uint64_t denominator = ((uint64_t)start - (uint64_t)end);
read_speed = numerator/denominator; read_speed = numerator/denominator;
printf(" Read speed: %lub/s\n", read_speed); printf(" Read speed: ");
memtest_data_speed(read_speed);
printf("\n");
} }
int memtest(unsigned int *addr, unsigned long maxsize) int memtest(unsigned int *addr, unsigned long maxsize)