Add support for async IO verification offload

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index 32993b61da4bccc9ba633da361bc1e47a68aaa08..7b1fc8029008e683b17cb4710ea586285e1c0cd8 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -598,6 +598,16 @@ Write the verification header for this number of bytes, which should divide
 If true, exit the job on the first observed verification failure.  Default:
 false.
 .TP
 If true, exit the job on the first observed verification failure.  Default:
 false.
 .TP

+.BI verify_async \fR=\fPint
+Fio will normally verify IO inline from the submitting thread. This option
+takes an integer describing how many async offload threads to create for IO
+verification instead, causing fio to offload the duty of verifying IO contents
+to one or more separate threads.
+.TP
+.BI verify_async_cpus \fR=\fPstr
+Tell fio to set the given CPU affinity on the async IO verification threads.
+See \fBcpus_allowed\fP for the format used.
+.TP

 .B stonewall
 Wait for preceeding jobs in the job file to exit before starting this one.
 \fBstonewall\fR implies \fBnew_group\fR.
 .B stonewall
 Wait for preceeding jobs in the job file to exit before starting this one.
 \fBstonewall\fR implies \fBnew_group\fR.