X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=HOWTO;h=b21d27e3b15fb74325703a60de6455cef6960596;hb=84f1f8658b728955b9853712186b1851d5fe303c;hp=e259aa7f07c26f0335d71c025fe7498946823020;hpb=6de659592dbebd641b262f18401c90f05db29fa1;p=fio.git

diff --git a/HOWTO b/HOWTO
index e259aa7f..b21d27e3 100644
--- a/HOWTO
+++ b/HOWTO
@@ -1070,7 +1070,8 @@ rate_process=str	This option controls how fio manages rated IO
 		adjusted based on IO completion rates. If this is set to
 		'poisson', fio will submit IO based on a more real world
 		random request flow, known as the Poisson process
-		(https://en.wikipedia.org/wiki/Poisson_process).
+		(https://en.wikipedia.org/wiki/Poisson_process). The lambda
+		will be 10^6 / IOPS for the given workload.
 
 latency_target=int	If set, fio will attempt to find the max performance
 		point that the given workload will run at while maintaining a
@@ -1226,6 +1227,9 @@ exitall		When one job finishes, terminate the rest. The default is
 		to wait for each job to finish, sometimes that is not the
 		desired action.
 
+exitall_on_error	When one job finishes in error, terminate the rest. The
+		default is to wait for each job to finish.
+
 bwavgtime=int	Average the calculated bandwidth over the given time. Value
 		is specified in milliseconds.
 
@@ -1579,11 +1583,15 @@ log_compression=int	If this is set, fio will compress the IO logs as
 		in the specified log file. This feature depends on the
 		availability of zlib.
 
-log_store_compressed=bool	If set, and log_compression is also set,
-		fio will store the log files in a compressed format. They
-		can be decompressed with fio, using the --inflate-log
-		command line parameter. The files will be stored with a
-		.fz suffix.
+log_compression_cpus=str	Define the set of CPUs that are allowed to
+		handle online log compression for the IO jobs. This can
+		provide better isolation between performance sensitive jobs,
+		and background compression work.
+
+log_store_compressed=bool	If set, fio will store the log files in a
+		compressed format. They can be decompressed with fio, using
+		the --inflate-log command line parameter. The files will be
+		stored with a .fz suffix.
 
 block_error_percentiles=bool	If set, record errors in trim block-sized
 		units from writes and trims and output a histogram of