Pre-load and sort random blocks for pure read verify workloads

[fio.git] / backend.c

diff --git a/backend.c b/backend.c
index 1c944d6a0de1fa53ea7bbb0785f0e48273cc6725..7cebf4d30cbeabe7b32adca54fd0561a29f3a634 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -34,7 +34,9 @@
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <sys/ipc.h>
+#ifndef FIO_NO_HAVE_SHM_H
 #include <sys/shm.h>
+#endif
 #include <sys/mman.h>
 
 #include "fio.h"
@@ -62,6 +64,7 @@ struct io_log *agg_io_log[DDIR_RWDIR_CNT];
 
 int groupid = 0;
 unsigned int thread_number = 0;
+unsigned int stat_number = 0;
 unsigned int nr_process = 0;
 unsigned int nr_thread = 0;
 int shm_id = 0;
@@ -419,6 +422,7 @@ static void do_verify(struct thread_data *td)
 
        io_u = NULL;
        while (!td->terminate) {
+               enum fio_ddir ddir;
                int ret2, full;
 
                update_tv_cache(td);
@@ -453,6 +457,8 @@ static void do_verify(struct thread_data *td)
                else
                        io_u->end_io = verify_io_u;
 
+               ddir = io_u->ddir;
+
                ret = td_io_queue(td, io_u);
                switch (ret) {
                case FIO_Q_COMPLETED:
@@ -504,7 +510,7 @@ sync_done:
                        break;
                }
 
-               if (break_on_this_error(td, io_u->ddir, &ret))
+               if (break_on_this_error(td, ddir, &ret))
                        break;
 
                /*
@@ -591,7 +597,7 @@ static void do_io(struct thread_data *td)
                int ret2, full;
                enum fio_ddir ddir;
 
-               if (td->terminate)
+               if (td->terminate || td->done)
                        break;
 
                update_tv_cache(td);
@@ -800,6 +806,10 @@ static void cleanup_io_u(struct thread_data *td)
                io_u = flist_entry(entry, struct io_u, list);
 
                flist_del(&io_u->list);
+
+               if (td->io_ops->io_u_free)
+                       td->io_ops->io_u_free(td, io_u);
+
                fio_memfree(io_u, sizeof(*io_u));
        }
 
@@ -882,6 +892,16 @@ static int init_io_u(struct thread_data *td)
                io_u->index = i;
                io_u->flags = IO_U_F_FREE;
                flist_add(&io_u->list, &td->io_u_freelist);
+
+               if (td->io_ops->io_u_init) {
+                       int ret = td->io_ops->io_u_init(td, io_u);
+
+                       if (ret) {
+                               log_err("fio: failed to init engine data: %d\n", ret);
+                               return 1;
+                       }
+               }
+
                p += max_bs;
        }
 
@@ -994,6 +1014,8 @@ static void *thread_main(void *data)
        } else
                td->pid = gettid();
 
+       fio_local_clock_init(td->o.use_thread);
+
        dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid);
 
        INIT_FLIST_HEAD(&td->io_u_freelist);
@@ -1003,6 +1025,7 @@ static void *thread_main(void *data)
        INIT_FLIST_HEAD(&td->io_hist_list);
        INIT_FLIST_HEAD(&td->verify_list);
        INIT_FLIST_HEAD(&td->trim_list);
+       INIT_FLIST_HEAD(&td->next_rand_list);
        pthread_mutex_init(&td->io_u_lock, NULL);
        td->io_hist_tree = RB_ROOT;
 
@@ -1052,7 +1075,7 @@ static void *thread_main(void *data)
                goto err;
        }
 
-#ifdef FIO_HAVE_LIBNUMA
+#ifdef CONFIG_LIBNUMA
        /* numa node setup */
        if (td->o.numa_cpumask_set || td->o.numa_memmask_set) {
                int ret;
@@ -1270,8 +1293,8 @@ err:
                verify_async_exit(td);
 
        close_and_free_files(td);
-       close_ioengine(td);
        cleanup_io_u(td);
+       close_ioengine(td);
        cgroup_shutdown(td, &cgroup_mnt);
 
        if (td->o.cpumask_set) {
@@ -1382,7 +1405,7 @@ static void reap_threads(unsigned int *nr_running, unsigned int *t_rate,
                        if (WIFSIGNALED(status)) {
                                int sig = WTERMSIG(status);
 
-                               if (sig != SIGTERM)
+                               if (sig != SIGTERM && sig != SIGUSR2)
                                        log_err("fio: pid=%d, got signal=%d\n",
                                                        (int) td->pid, sig);
                                td->sig = sig;