Yigal Korman <ykorman@xxxxxxxxx> writes:
> Signed-off-by: Yigal Korman <ykorman@xxxxxxxxx>
> ---
> ioengines.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/ioengines.c b/ioengines.c
> index 78262bc1..20224e59 100644
> --- a/ioengines.c
> +++ b/ioengines.c
> @@ -79,10 +79,16 @@ static struct ioengine_ops *find_ioengine(const char *name)
> static void *dlopen_external(struct thread_data *td, const char *engine)
> {
> char engine_path[PATH_MAX];
> + void *dlhandle;
>
> sprintf(engine_path, "%s/lib%s.so", FIO_EXT_ENG_DIR, engine);
>
> - return dlopen(engine_path, RTLD_LAZY);
> + dlhandle = dlopen(engine_path, RTLD_LAZY);
> + if (!dlhandle)
> + log_info("Engine not available; Install the fio-engine-%s package\n",
> + engine);
> +
> + return dlhandle;
> }
> #else
> #define dlopen_external(td, engine) (NULL)
This assumes fio is part of a package, and that's not always (often?)
the case. It may be that the engine simply wasn't built.
-Jeff
