tools/io_uring: remove IOCQE_FLAG_CACHEHIT

This ended up not being included in the mainline version of io_uring,
so drop it from the test app as well.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 4 insertions, 28 deletions

diff --git a/tools/io_uring/io_uring-bench.c b/tools/io_uring/io_uring-bench.c
index 512306a37531..0f257139b003 100644
--- a/tools/io_uring/io_uring-bench.c
+++ b/tools/io_uring/io_uring-bench.c
@@ -32,10 +32,6 @@
 #include "liburing.h"
 #include "barrier.h"
 
-#ifndef IOCQE_FLAG_CACHEHIT
-#define IOCQE_FLAG_CACHEHIT     (1U << 0)
-#endif
-
 #define min(a, b)               ((a < b) ? (a) : (b))
 
 struct io_sq_ring {
@@ -85,7 +81,6 @@ struct submitter {
         unsigned long reaps;
         unsigned long done;
         unsigned long calls;
-        unsigned long cachehit, cachemiss;
         volatile int finish;
 
         __s32 *fds;
@@ -270,10 +265,6 @@ static int reap_events(struct submitter *s)
                                 return -1;
                         }
                 }
-                if (cqe->flags & IOCQE_FLAG_CACHEHIT)
-                        s->cachehit++;
-                else
-                        s->cachemiss++;
                 reaped++;
                 head++;
         } while (1);
@@ -489,7 +480,7 @@ static void file_depths(char *buf)
 int main(int argc, char *argv[])
 {
         struct submitter *s = &submitters[0];
-        unsigned long done, calls, reap, cache_hit, cache_miss;
+        unsigned long done, calls, reap;
         int err, i, flags, fd;
         char *fdepths;
         void *ret;
@@ -569,44 +560,29 @@ int main(int argc, char *argv[])
         pthread_create(&s->thread, NULL, submitter_fn, s);
 
         fdepths = malloc(8 * s->nr_files);
-        cache_hit = cache_miss = reap = calls = done = 0;
+        reap = calls = done = 0;
         do {
                 unsigned long this_done = 0;
                 unsigned long this_reap = 0;
                 unsigned long this_call = 0;
-                unsigned long this_cache_hit = 0;
-                unsigned long this_cache_miss = 0;
                 unsigned long rpc = 0, ipc = 0;
-                double hit = 0.0;
 
                 sleep(1);
                 this_done += s->done;
                 this_call += s->calls;
                 this_reap += s->reaps;
-                this_cache_hit += s->cachehit;
-                this_cache_miss += s->cachemiss;
-                if (this_cache_hit && this_cache_miss) {
-                        unsigned long hits, total;
-
-                        hits = this_cache_hit - cache_hit;
-                        total = hits + this_cache_miss - cache_miss;
-                        hit = (double) hits / (double) total;
-                        hit *= 100.0;
-                }
                 if (this_call - calls) {
                         rpc = (this_done - done) / (this_call - calls);
                         ipc = (this_reap - reap) / (this_call - calls);
                 } else
                         rpc = ipc = -1;
                 file_depths(fdepths);
-                printf("IOPS=%lu, IOS/call=%ld/%ld, inflight=%u (%s), Cachehit=%0.2f%%\n",
+                printf("IOPS=%lu, IOS/call=%ld/%ld, inflight=%u (%s)\n",
                                 this_done - done, rpc, ipc, s->inflight,
-                                fdepths, hit);
+                                fdepths);
                 done = this_done;
                 calls = this_call;
                 reap = this_reap;
-                cache_hit = s->cachehit;
-                cache_miss = s->cachemiss;
         } while (!finish);
 
         pthread_join(s->thread, &ret);