Commit 0021c23d authored by Changpeng Liu's avatar Changpeng Liu Committed by Daniel Verkamp
Browse files

spdk: show total performance result in the ioat_kperf tool 



Change-Id: I68010590988fb3e1314922501e45381a029fb9f6
Signed-off-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
parent a7c6c3cc

examples/ioat/kperf/README

+1 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ Building & Usage 
    Channel 1 Performance Data 1413 MB/s

    Channel 2 Performance Data 1413 MB/s

    Channel 3 Performance Data 1415 MB/s

    Total Channel Performance Data 5655 MB/s



OS Support

==========

examples/ioat/kperf/ioat_kperf.c

+9 −1
Original line number Diff line number Diff line
@@ -194,6 +194,8 @@ int main(int argc, char *argv[]) 
	uint32_t transfer_size, order = 0;

	uint64_t total_size, copied = 0;

	uint64_t elapsed_time = 0;

	uint64_t total_time = 0;

	uint64_t perf, total_copied = 0;

	char channel[1024];



	if (check_modules("ioatdma")) {
@@ -346,9 +348,15 @@ int main(int argc, char *argv[]) 
			return -1;

		}

		assert(elapsed_time != 0);

		perf = copied / elapsed_time;

		total_copied += copied;

		total_time += elapsed_time;

		fprintf(stdout, "Channel %d Performance Data %"PRIu64" MB/s\n",

			i, copied / elapsed_time);

			i, perf);

	}



	if (total_time && threads)

		fprintf(stdout, "Total Channel Performance Data %"PRIu64" MB/s\n",

			total_copied / total_time / threads);

	return 0;

}