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@@ -259,6 +259,33 @@ The job file parameters are:
cpuchunks=x Split burn cycles into pieces of x usecs.
+Fio works on (at least) Linux, Solaris, and FreeBSD. Some features and/or
+options may only be available on some of the platforms, typically because
+those features only apply to that platform (like the solarisaio engine, or
+the splice engine on Linux).
+Some features are not available on FreeBSD/Solaris even if they could be
+implemented, I'd be happy to take patches for that. An example of that is
+disk utility statistics and (I think) huge page support, support for that
+does exist in FreeBSD/Solaris.
+Fio uses pthread mutexes for signalling and locking and FreeBSD does not
+support process shared pthread mutexes. As a result, only threads are
+supported on FreeBSD. This could be fixed with sysv ipc locking or
+other locking alternatives.
+Other *BSD platforms are untested, but fio should work there almost out
+of the box. Since I don't do test runs or even compiles on those platforms,
+your mileage may vary. Sending me patches for other platforms is greatly
+appreciated. There's a lot of value in having the same test/benchmark tool
+available on all platforms.