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sd_bench and logger use aligned buffers

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This commit is contained in:
David Sidrane 2021-03-15 13:13:37 -07:00 committed by Lorenz Meier
parent 45d0603627
commit ccee36bb68
4 changed files with 22 additions and 3 deletions
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3
platforms/common/include/px4_platform_common/posix.h
View File

@ -83,6 +83,9 @@ typedef pollevent_t px4_pollevent_t;
#define PX4_STACK_OVERHEAD (1024 * 24)
#define px4_cache_aligned_data()
#define px4_cache_aligned_alloc malloc
__BEGIN_DECLS
typedef short px4_pollevent_t;

3
platforms/posix/src/px4/common/include/px4_platform/micro_hal.h
View File

@ -40,3 +40,6 @@
#define px4_udelay(usec) px4_usleep(usec)
#define px4_mdelay(msec) px4_msleep(msec)
#define px4_cache_aligned_data()
#define px4_cache_aligned_alloc malloc

2
src/modules/logger/log_writer_file.cpp
View File

@ -457,7 +457,7 @@ bool LogWriterFile::LogFileBuffer::start_log(const char *filename)
}
if (_buffer == nullptr) {
_buffer = new uint8_t[_buffer_size];
_buffer = (uint8_t *) px4_cache_aligned_alloc(_buffer_size);
if (_buffer == nullptr) {
PX4_ERR("Can't create log buffer");

17
src/systemcmds/sd_bench/sd_bench.c
View File

@ -79,8 +79,10 @@ usage()
PRINT_MODULE_USAGE_PARAM_INT('r', 5, 1, 1000, "Number of runs", true);
PRINT_MODULE_USAGE_PARAM_INT('d', 2000, 1, 100000, "Duration of a run in ms", true);
PRINT_MODULE_USAGE_PARAM_FLAG('s', "Call fsync after each block (default=at end of each run)", true);
PRINT_MODULE_USAGE_PARAM_FLAG('u', "Test performance with unaligned data)", true);
}
int
sd_bench_main(int argc, char *argv[])
{
@ -91,8 +93,10 @@ sd_bench_main(int argc, char *argv[])
synchronized = false;
num_runs = 5;
run_duration = 2000;
bool aligned = true;
uint8_t *block = NULL;
while ((ch = px4_getopt(argc, argv, "b:r:d:s", &myoptind, &myoptarg)) != EOF) {
while ((ch = px4_getopt(argc, argv, "b:r:d:su", &myoptind, &myoptarg)) != EOF) {
switch (ch) {
case 'b':
block_size = strtol(myoptarg, NULL, 0);
@ -110,6 +114,10 @@ sd_bench_main(int argc, char *argv[])
synchronized = true;
break;
case 'u':
aligned = false;
break;
default:
usage();
return -1;
@ -130,7 +138,12 @@ sd_bench_main(int argc, char *argv[])
}
//create some data block
uint8_t *block = (uint8_t *)malloc(block_size);
if (aligned) {
block = (uint8_t *)px4_cache_aligned_alloc(block_size);
} else {
block = (uint8_t *)malloc(block_size);
}
if (!block) {
PX4_ERR("Failed to allocate memory block");