diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2010-12-22 16:59:25 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2010-12-22 16:59:25 +0100 |
| commit | 1aacf0e1002564586105b0da372d03e70c63cf3f (patch) | |
| tree | f05c4c1103deaf0bb815e1a02872eb576059e3e6 /flashbench.c | |
| parent | b2cd664ede38e6094f289f6b04d2ccfc1c556c26 (diff) | |
flashbench: make interval test configurable
This makes it possible to configure the rounds
in the interval tests.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'flashbench.c')
| -rw-r--r-- | flashbench.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/flashbench.c b/flashbench.c index 23a6a6b..10fd156 100644 --- a/flashbench.c +++ b/flashbench.c @@ -278,10 +278,8 @@ static int try_interval(struct device *dev, long blocksize, ns_t *min_time, int return 0; } -static int try_intervals(struct device *dev) +static int try_intervals(struct device *dev, int count, int rounds) { - const int count = 32; - const off_t rounds = 11; const int ignore = 3; ns_t min[rounds]; off_t bytes[rounds]; @@ -439,7 +437,7 @@ static int try_scatter_io(struct device *dev, int tries, int scatter_order, int return 0; } -static void try_set_rtprio(void) +static void set_rtprio(void) { int ret; struct sched_param p = { @@ -470,6 +468,7 @@ struct arguments { int count; int blocksize; int scatter_order; + int interval_order; }; static int parse_arguments(int argc, char **argv, struct arguments *args) @@ -481,6 +480,7 @@ static int parse_arguments(int argc, char **argv, struct arguments *args) { "rcache", 0, NULL, 'r' }, { "align", 0, NULL, 'a' }, { "interval", 0, NULL, 'i' }, + { "interval-order", 0, NULL, 'I' }, { "verbose", 0, NULL, 'v' }, { "count", 1, NULL, 'c' }, { NULL, 0, NULL, 0 }, @@ -494,7 +494,7 @@ static int parse_arguments(int argc, char **argv, struct arguments *args) while (1) { int c; - c = getopt_long(argc, argv, "o:srai", long_options, &optind); + c = getopt_long(argc, argv, "o:sraivc", long_options, &optind); if (c == -1) break; @@ -524,6 +524,10 @@ static int parse_arguments(int argc, char **argv, struct arguments *args) args->interval = 1; break; + case 'I': + args->interval_order = atoi(optarg); + break; + case 'v': args->verbosity++; break; @@ -562,7 +566,7 @@ static int parse_arguments(int argc, char **argv, struct arguments *args) static int setup_dev(struct device *dev, struct arguments *args) { - try_set_rtprio(); + set_rtprio(); dev->fd = open(args->dev, O_RDWR | O_DIRECT | O_SYNC | O_NOATIME); if (dev->fd < 0) { @@ -637,7 +641,7 @@ int main(int argc, char **argv) } if (args.interval) { - ret = try_intervals(&dev); + ret = try_intervals(&dev, args.count, args.interval_order); if (ret < 0) { errno = -ret; perror("try_intervals"); |