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#include "nvmecontrol.h"		#include "nvmecontrol.h"

#define PERFTEST_USAGE \		#define PERFTEST_USAGE \
"perftest <-n num_threads> <-o read\|write>\n" \		"perftest <-n num_threads> <-o read\|write>\n" \
" <-s size_in_bytes> <-t time_in_seconds>\n" \		" <-s size_in_bytes> <-t time_in_seconds>\n" \
" <-i intr\|wait> [-f refthread] [-p]\n" \		" <-i intr\|wait> [-f refthread] [-p]\n" \
" <namespace id>\n"		" <namespace id>\n"
		#define PERFTEST_ARGS \
		"<namespace id>"
		#define PERFTEST_DESCR \
		"PErform low-level driver performance testing."

static void		static void
print_perftest(struct nvme_io_test *io_test, bool perthread)		print_perftest(struct nvme_io_test *io_test, bool perthread)
{		{
uint64_t io_completed = 0, iops, mbps;		uint64_t io_completed = 0, iops, mbps;
uint32_t i;		uint32_t i;

for (i = 0; i < io_test->num_threads; i++)		for (i = 0; i < io_test->num_threads; i++)
▲ Show 20 Lines • Show All 110 Lines • ▼ Show 20 Lines	perftest(const struct nvme_function nf, int argc, char argv[])
if (ioctl(fd, ioctl_cmd, &io_test) < 0)		if (ioctl(fd, ioctl_cmd, &io_test) < 0)
err(1, "ioctl NVME_IO_TEST failed");		err(1, "ioctl NVME_IO_TEST failed");

close(fd);		close(fd);
print_perftest(&io_test, perthread);		print_perftest(&io_test, perthread);
exit(0);		exit(0);
}		}

NVME_COMMAND(top, perftest, perftest, PERFTEST_USAGE);		NVME_COMMAND(top, perftest, perftest, PERFTEST_USAGE, PERFTEST_ARGS, PERFTEST_DESCR);