Jans suggested we provide the user with the likely reasons why we failed
to load the given engine.
This should help better resolve these issues.
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..c1b430a1 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 %s not found; Either name is invalid, was not built, or fio-engine-%s package is missing.\n",
+ engine, engine);
+
+ return dlhandle;
}
#else
#define dlopen_external(td, engine) (NULL)
--
2.17.1
