syslet: we have fls(), use it for rounding ring size up

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index d185f8a2944a36d3c45ad33810cdc9dd42c56bd2..d5fb52cfb0f9f931db588c78d92e81a95480f2ca 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -314,6 +314,8 @@ ioengine=str        Defines how the job issues io to the file. The following
                        sync    Basic read(2) or write(2) io. lseek(2) is
                                used to position the io location.
 
+                       psync   Basic pread(2) or pwrite(2) io.
+
                        libaio  Linux native asynchronous io.
 
                        posixaio glibc posix asynchronous io.
@@ -347,7 +349,7 @@ ioengine=str        Defines how the job issues io to the file. The following
                        netsplice Like net, but uses splice/vmsplice to
                                map data and send/receive.
 
-                       cpu     Doesn't transfer any data, but burns CPU
+                       cpuio   Doesn't transfer any data, but burns CPU
                                cycles according to the cpuload= and
                                cpucycle= options. Setting cpuload=85
                                will cause that job to do nothing but burn
@@ -859,7 +861,7 @@ Split up, the format is as follows:
                Submission latency: min, max, mean, deviation
                Completion latency: min, max, mean, deviation
                Bw: min, max, aggregate percentage of total, mean, deviation
-       CPU usage: user, system, context switches
+       CPU usage: user, system, context switches, major faults, minor faults
        IO depths: <=1, 2, 4, 8, 16, 32, >=64
        IO latencies: <=2, 4, 10, 20, 50, 100, 250, 500, 750, 1000, >=2000
        Text description