From: Jens Axboe Date: Thu, 26 Apr 2018 21:50:10 +0000 (-0600) Subject: Update documentation for 'replay_skip' X-Git-Tag: fio-3.7~10 X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=38f68906332ef55f239418fc9e7af225e2f69063 Update documentation for 'replay_skip' Signed-off-by: Jens Axboe --- diff --git a/HOWTO b/HOWTO index 8ee00fd1..d2007009 100644 --- a/HOWTO +++ b/HOWTO @@ -2346,6 +2346,14 @@ I/O replay Scale sector offsets down by this factor when replaying traces. +.. option:: replay_skip=str + + Sometimes it's useful to skip certain IO types in a replay trace. + This could be, for instance, eliminating the writes in the trace. + Or not replaying the trims/discards, if you are redirecting to + a device that doesn't support them. This option takes a comma + separated list of read, write, trim, sync. + Threads, processes and job synchronization ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/fio.1 b/fio.1 index 24bdcdb0..7d5d8be6 100644 --- a/fio.1 +++ b/fio.1 @@ -2067,6 +2067,12 @@ value. Scale sector offsets down by this factor when replaying traces. .SS "Threads, processes and job synchronization" .TP +.BI replay_skip \fR=\fPstr +Sometimes it's useful to skip certain IO types in a replay trace. This could +be, for instance, eliminating the writes in the trace. Or not replaying the +trims/discards, if you are redirecting to a device that doesn't support them. +This option takes a comma separated list of read, write, trim, sync. +.TP .BI thread Fio defaults to creating jobs by using fork, however if this option is given, fio will create jobs by using POSIX Threads' function