From: Niklas Cassel <niklas.cassel@xxxxxxx> This series improves io_uring/libaio engine support for IO priority, adding options to allow for mixed priority workloads to be specified more easily and to match the kernel supported IO priority features. This series is based on Damien's V1 series which can be found here: https://www.spinics.net/lists/fio/msg09614.html Major changes since v1: - Rename new options: aioprio -> cmdprio aioprioclass -> cmdprio_class aioprio_bssplit -> cmdprio_bssplit. Since these options are all related to cmdprio_percentage, it makes sense to keep the cmdprio prefix for these new options. Renaming also makes it more clear that these are not libaio specifc options. - Added io_uring support for these new options. All these new options works for ioengine=libaio and ioengine=io_uring - Added a new helper file: engines/cmdprio.h and moved as much common code that I could share between io_uring and libaio in there. Kept Damien's authorship as I feel that I haven't changed the original code sufficiently to warrant an authorship change. Comments are welcome! Kind regards, Niklas Damien Le Moal (11): manpage: fix formatting manpage: fix definition of prio and prioclass options tools: fiograph: do not overwrite input script file os: introduce ioprio_value() helper options: make parsing functions available to ioengines libaio,io_uring: improve cmdprio_percentage option libaio,io_uring: introduce cmdprio_class and cmdprio options libaio,io_uring: introduce cmdprio_bssplit libaio,io_uring: relax cmdprio_percentage constraints fio: Introduce the log_prio option examples: add examples for cmdprio_* IO priority options HOWTO | 59 ++++++++++--- backend.c | 1 + cconv.c | 2 + client.c | 2 + engines/cmdprio.h | 144 ++++++++++++++++++++++++++++++ engines/filecreate.c | 2 +- engines/filedelete.c | 2 +- engines/filestat.c | 2 +- engines/io_uring.c | 152 +++++++++++++++++++++++++------- engines/libaio.c | 125 ++++++++++++++++++++++---- eta.c | 2 +- examples/cmdprio-bssplit.fio | 17 ++++ examples/cmdprio-bssplit.png | Bin 0 -> 45606 bytes examples/cmdprio-percentage.fio | 17 ++++ examples/cmdprio-percentage.png | Bin 0 -> 46271 bytes fio.1 | 73 +++++++++++---- fio.h | 5 ++ init.c | 4 + io_u.c | 14 ++- io_u.h | 10 ++- iolog.c | 45 +++++++--- iolog.h | 16 +++- options.c | 50 ++++++----- os/os-android.h | 20 +++-- os/os-dragonfly.h | 1 + os/os-linux.h | 20 +++-- os/os.h | 4 + server.h | 3 +- stat.c | 75 ++++++++-------- stat.h | 9 +- thread_options.h | 19 ++++ tools/fiograph/fiograph.conf | 4 +- tools/fiograph/fiograph.py | 4 +- 33 files changed, 724 insertions(+), 179 deletions(-) create mode 100644 engines/cmdprio.h create mode 100644 examples/cmdprio-bssplit.fio create mode 100644 examples/cmdprio-bssplit.png create mode 100644 examples/cmdprio-percentage.fio create mode 100644 examples/cmdprio-percentage.png -- 2.31.1
