From 97eb7127666dfafb04b9062e6d3c661249413e35 Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Thu, 22 Jan 2015 01:50:21 +0100 Subject: [PATCH] bist: add random addressing --- test/bist.py | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/test/bist.py b/test/bist.py index a707199cf..9d863a784 100644 --- a/test/bist.py +++ b/test/bist.py @@ -1,5 +1,6 @@ import time import argparse +import random as rand from collections import OrderedDict from config import * @@ -29,7 +30,7 @@ class LiteSATABISTUnitDriver: for s in ["start", "sector", "count", "loops", "random", "done", "aborted", "errors", "cycles"]: setattr(self, s, getattr(regs, name + "_"+ s)) - def run(self, sector, count, loops, random, blocking=True, hw_timer=False): + def run(self, sector, count, loops, random, blocking=True, hw_timer=True): self.sector.write(sector) self.count.write(count) self.loops.write(loops) @@ -133,6 +134,8 @@ SATA BIST utility. parser.add_argument("-r", "--random", action="store_true", help="use random data") parser.add_argument("-c", "--continuous", action="store_true", help="continuous mode (Escape to exit)") parser.add_argument("-i", "--identify", action="store_true", help="only run identify") + parser.add_argument("-t", "--software_timer", action="store_true", help="use software timer") + parser.add_argument("-a", "--random_addressing", action="store_true", help="use random addressing") return parser.parse_args() if __name__ == "__main__": @@ -153,13 +156,17 @@ if __name__ == "__main__": length = int(args.total_length)*MB random = int(args.random) continuous = int(args.continuous) + sw_timer = int(args.software_timer) + random_addressing = int(args.random_addressing) + + run_sectors = 0 try: - while ((sector*logical_sector_size < length) or continuous) and (sector < identify.total_sectors): + while ((run_sectors*logical_sector_size < length) or continuous) and (sector < identify.total_sectors): retry = 0 # generator (write data to HDD) write_done = False while not write_done: - write_aborted, write_errors, write_speed = generator.run(sector, count, loops, random) + write_aborted, write_errors, write_speed = generator.run(sector, count, loops, random, True, not sw_timer) write_done = not write_aborted if not write_done: retry += 1 @@ -167,19 +174,23 @@ if __name__ == "__main__": # checker (read and check data from HDD) read_done = False while not read_done: - read_aborted, read_errors, read_speed = checker.run(sector, count, loops, random) + read_aborted, read_errors, read_speed = checker.run(sector, count, loops, random, True, not sw_timer) read_done = not read_aborted if not read_done: retry += 1 print("sector=%d(%dMB) wr_speed=%4.2fMB/s rd_speed=%4.2fMB/s errors=%d retry=%d" %( sector, - sector*logical_sector_size/MB, + run_sectors*logical_sector_size/MB, write_speed/MB, read_speed/MB, write_errors + read_errors, retry)) - sector += count + if random_addressing: + sector = rand.randint(0, identify.total_sectors//(256*2))*256 + else: + sector += count + run_sectors += count except KeyboardInterrupt: pass