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| author | Arnd Bergmann <arnd@arndb.de> | 2011-02-16 21:59:04 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-02-16 21:59:04 +0100 |
| commit | 7470c54880bab5228c1ee1c16e30e9272a1e78b1 (patch) | |
| tree | 89ca4d02427cf74d745e2648f44f966814eebab8 | |
| parent | cc18e347c6003e4ab4ab84f489615d644c114e93 (diff) | |
| download | flashbench-7470c54880bab5228c1ee1c16e30e9272a1e78b1.tar.gz | |
flashbench: allow passing an erase block size
This is currently unused, but will be used to simplify
running the programmed tests.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| -rw-r--r-- | flashbench.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/flashbench.c b/flashbench.c index b7c64dd..48136e8 100644 --- a/flashbench.c +++ b/flashbench.c @@ -634,9 +634,12 @@ static void print_help(const char *name) printf("-o, --out=FILE write output to FILE instead of stdout\n"); printf("-s, --scatter run scatter read test\n"); printf(" --scatter-order=N scatter across 2^N blocks\n"); + printf(" --scatter-span=N span each write across N blocks\n"); printf("-r, --rcache determine read cache size\n"); printf("-v, --verbose increase verbosity of output\n"); - printf("-c, --count=N run each test N times (default: 8\n"); + printf("-c, --count=N run each test N times (default: 8\n"); + printf("-b, --blocksize=N use a blocksize of N (default:16K)\n"); + printf("-e, --erasesize=N use a eraseblocksize of N (default:4M)\n"); } struct arguments { @@ -645,6 +648,7 @@ struct arguments { bool scatter, rcache, align, interval, program; int count; int blocksize; + int erasesize; int scatter_order; int scatter_span; int interval_order; @@ -664,14 +668,16 @@ static int parse_arguments(int argc, char **argv, struct arguments *args) { "verbose", 0, NULL, 'v' }, { "count", 1, NULL, 'c' }, { "blocksize", 1, NULL, 'b' }, + { "erasesize", 1, NULL, 'e' }, { NULL, 0, NULL, 0 }, }; memset(args, 0, sizeof(*args)); args->count = 8; - args->scatter_order = 12; - args->scatter_span = 8; - args->blocksize = 8192; + args->scatter_order = 9; + args->scatter_span = 1; + args->blocksize = 16384; + args->erasesize = 4 * 1024 * 1024; while (1) { int c; @@ -730,6 +736,10 @@ static int parse_arguments(int argc, char **argv, struct arguments *args) args->blocksize = atoi(optarg); break; + case 'e': + args->erasesize = atoi(optarg); + break; + case '?': print_help(argv[0]); return -EINVAL; |