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bist: add random addressing

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This commit is contained in:
Florent Kermarrec 2015-01-22 01:50:21 +01:00
parent 91bb531641
commit 97eb712766
1 changed files with 17 additions and 6 deletions
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23
test/bist.py
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@ -1,5 +1,6 @@
import time import time
import argparse import argparse
import random as rand
from collections import OrderedDict from collections import OrderedDict
from config import * from config import *
@ -29,7 +30,7 @@ class LiteSATABISTUnitDriver:
for s in ["start", "sector", "count", "loops", "random", "done", "aborted", "errors", "cycles"]: for s in ["start", "sector", "count", "loops", "random", "done", "aborted", "errors", "cycles"]:
setattr(self, s, getattr(regs, name + "_"+ s)) 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.sector.write(sector)
self.count.write(count) self.count.write(count)
self.loops.write(loops) 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("-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("-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("-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() return parser.parse_args()
if __name__ == "__main__": if __name__ == "__main__":
@ -153,13 +156,17 @@ if __name__ == "__main__":
length = int(args.total_length)*MB length = int(args.total_length)*MB
random = int(args.random) random = int(args.random)
continuous = int(args.continuous) continuous = int(args.continuous)
sw_timer = int(args.software_timer)
random_addressing = int(args.random_addressing)
run_sectors = 0
try: 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 retry = 0
# generator (write data to HDD) # generator (write data to HDD)
write_done = False write_done = False
while not write_done: 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 write_done = not write_aborted
if not write_done: if not write_done:
retry += 1 retry += 1
@ -167,19 +174,23 @@ if __name__ == "__main__":
# checker (read and check data from HDD) # checker (read and check data from HDD)
read_done = False read_done = False
while not read_done: 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 read_done = not read_aborted
if not read_done: if not read_done:
retry += 1 retry += 1
print("sector=%d(%dMB) wr_speed=%4.2fMB/s rd_speed=%4.2fMB/s errors=%d retry=%d" %( print("sector=%d(%dMB) wr_speed=%4.2fMB/s rd_speed=%4.2fMB/s errors=%d retry=%d" %(
sector, sector,
sector*logical_sector_size/MB, run_sectors*logical_sector_size/MB,
write_speed/MB, write_speed/MB,
read_speed/MB, read_speed/MB,
write_errors + read_errors, write_errors + read_errors,
retry)) retry))
sector += count if random_addressing:
sector = rand.randint(0, identify.total_sectors//(256*2))*256
else:
sector += count
run_sectors += count
except KeyboardInterrupt: except KeyboardInterrupt:
pass pass