X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=HOWTO;h=9a9f02a7bf6ec688a8bb5b546d6879a255de3990;hp=9830fa1ebd9510f693c3978c70c5c9121d7eabdd;hb=47986339e372697d9a79d48de21eb0f311386bf0;hpb=621677626f2551bedfdc4a5fc3b3e5f8492b94fa diff --git a/HOWTO b/HOWTO index 9830fa1e..9a9f02a7 100644 --- a/HOWTO +++ b/HOWTO @@ -223,7 +223,8 @@ a string. The following types are used: str String. This is a sequence of alpha characters. time Integer with possible time suffix. In seconds unless otherwise specified, use eg 10m for 10 minutes. Accepts s/m/h for seconds, - minutes, and hours. + minutes, and hours, and accepts 'ms' (or 'msec') for milliseconds, + and 'us' (or 'usec') for microseconds. int SI integer. A whole number value, which may contain a suffix describing the base of the number. Accepted suffixes are k/m/g/t/p, meaning kilo, mega, giga, tera, and peta. The suffix is not case @@ -927,6 +928,18 @@ cpus_allowed=str Controls the same options as cpumask, but it allows a text allows a range of CPUs. Say you wanted a binding to CPUs 1, 5, and 8-15, you would set cpus_allowed=1,5,8-15. +cpus_allowed_policy=str Set the policy of how fio distributes the CPUs + specified by cpus_allowed or cpumask. Two policies are + supported: + + shared All jobs will share the CPU set specified. + split Each job will get a unique CPU from the CPU set. + + 'shared' is the default behaviour, if the option isn't + specified. If split is specified, then fio will will assign + one cpu per job. If not enough CPUs are given for the jobs + listed, then fio will roundrobin the CPUs in the set. + numa_cpu_nodes=str Set this job running on spcified NUMA nodes' CPUs. The arguments allow comma delimited list of cpu numbers, A-B ranges, or 'all'. Note, to enable numa options support, @@ -1105,6 +1118,10 @@ verify=str If writing to a file, fio can verify the file contents crc7 Use a crc7 sum of the data area and store it in the header of each block. + xxhash Use xxhash as the checksum function. Generally + the fastest software checksum that fio + supports. + sha512 Use sha512 as the checksum function. sha256 Use sha256 as the checksum function.