client/server: add support for passing disk_util structures

[fio.git] / server.c

diff --git a/server.c b/server.c
index dcce37eea822be362221aa9867733b638c446706..e4793f7bcb41cfcaf892254463c183a02c19de61 100644 (file)
--- a/server.c
+++ b/server.c
@@ -46,7 +46,8 @@ static const char *fio_server_ops[FIO_NET_CMD_NR] = {
        "ETA",
        "PROBE",
        "START",
-       "STOP"
+       "STOP",
+       "DISK_UTIL",
 };
 
 const char *fio_server_op(unsigned int op)
@@ -726,6 +727,59 @@ void fio_server_send_gs(struct group_run_stats *rs)
        fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), 0);
 }
 
+static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src)
+{
+       int i;
+
+       for (i = 0; i < 2; i++) {
+               dst->ios[i]     = cpu_to_le32(src->ios[i]);
+               dst->merges[i]  = cpu_to_le32(src->merges[i]);
+               dst->sectors[i] = cpu_to_le64(src->sectors[i]);
+               dst->ticks[i]   = cpu_to_le32(src->ticks[i]);
+       }
+
+       dst->io_ticks           = cpu_to_le32(src->io_ticks);
+       dst->time_in_queue      = cpu_to_le32(src->time_in_queue);
+       dst->slavecount         = cpu_to_le32(src->slavecount);
+       dst->max_util.u.i       = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f));
+}
+
+static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src)
+{
+       int i;
+
+       strcpy((char *) dst->name, (char *) src->name);
+
+       for (i = 0; i < 2; i++) {
+               dst->ios[i]     = cpu_to_le32(src->ios[i]);
+               dst->merges[i]  = cpu_to_le32(src->merges[i]);
+               dst->sectors[i] = cpu_to_le64(src->sectors[i]);
+               dst->ticks[i]   = cpu_to_le32(src->ticks[i]);
+       }
+
+       dst->io_ticks           = cpu_to_le32(src->io_ticks);
+       dst->time_in_queue      = cpu_to_le32(src->time_in_queue);
+       dst->msec               = cpu_to_le64(src->msec);
+}
+
+void fio_server_send_du(void)
+{
+       struct disk_util *du;
+       struct flist_head *entry;
+       struct cmd_du_pdu pdu;
+
+       dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list));
+
+       flist_for_each(entry, &disk_list) {
+               du = flist_entry(entry, struct disk_util, list);
+
+               convert_dus(&pdu.dus, &du->dus);
+               convert_agg(&pdu.agg, &du->agg);
+
+               fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), 0);
+       }
+}
+
 int fio_server_log(const char *format, ...)
 {
        char buffer[1024];