client: display summed total of all clients when all stats have been received

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

diff --git a/client.c b/client.c
index 130aeafc1a493efc8d3c92f63049200b9724a177..c40511ebe553b3b0f5dd8079bdbb4c072a2c4140 100644 (file)
--- a/client.c
+++ b/client.c
@@ -66,6 +66,11 @@ static FLIST_HEAD(eta_list);
 
 static FLIST_HEAD(arg_list);
 
+static struct thread_stat client_ts;
+static struct group_run_stats client_gs;
+static int sum_stat_clients;
+static int sum_stat_nr;
+
 #define FIO_CLIENT_HASH_BITS   7
 #define FIO_CLIENT_HASH_SZ     (1 << FIO_CLIENT_HASH_BITS)
 #define FIO_CLIENT_HASH_MASK   (FIO_CLIENT_HASH_SZ - 1)
@@ -571,6 +576,20 @@ static void handle_ts(struct fio_net_cmd *cmd)
        convert_gs(&p->rs, &p->rs);
 
        show_thread_status(&p->ts, &p->rs);
+
+       if (sum_stat_clients == 1)
+               return;
+
+       sum_thread_stats(&client_ts, &p->ts, sum_stat_nr);
+       sum_group_stats(&client_gs, &p->rs);
+
+       client_ts.members++;
+       client_ts.groupid = p->ts.groupid;
+
+       if (++sum_stat_nr == sum_stat_clients) {
+               strcpy(client_ts.name, "All clients");
+               show_thread_status(&client_ts, &client_gs);
+       }
 }
 
 static void handle_gs(struct fio_net_cmd *cmd)
@@ -859,6 +878,10 @@ int fio_handle_clients(void)
 
        pfds = malloc(nr_clients * sizeof(struct pollfd));
 
+       sum_stat_clients = nr_clients;
+       init_thread_stat(&client_ts);
+       init_group_run_stat(&client_gs);
+
        while (!exit_backend && nr_clients) {
                i = 0;
                flist_for_each(entry, &client_list) {

diff --git a/stat.c b/stat.c
index 71eca48e9bf23a731bb9956e2af6cca0b3cf684e..c2705d26f38bbd82f25b82882aa1f5910901a7d0 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -642,6 +642,26 @@ static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
        dst->S.u.f = S;
 }
 
+void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
+{
+       int i;
+
+       for (i = 0; i < 2; i++) {
+               if (dst->max_run[i] < src->max_run[i])
+                       dst->max_run[i] = src->max_run[i];
+               if (dst->min_run[i] && dst->min_run[i] > src->min_run[i])
+                       dst->min_run[i] = src->min_run[i];
+               if (dst->max_bw[i] < src->max_bw[i])
+                       dst->max_bw[i] = src->max_bw[i];
+               if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
+                       dst->min_bw[i] = src->min_bw[i];
+
+               dst->io_kb[i] += src->io_kb[i];
+               dst->agg[i] += src->agg[i];
+       }
+
+}
+
 void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr)
 {
        int l, k;
@@ -691,6 +711,28 @@ void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr)
        dst->total_complete += src->total_complete;
 }
 
+void init_group_run_stat(struct group_run_stats *gs)
+{
+       memset(gs, 0, sizeof(*gs));
+       gs->min_bw[0] = gs->min_run[0] = ~0UL;
+       gs->min_bw[1] = gs->min_run[1] = ~0UL;
+}
+
+void init_thread_stat(struct thread_stat *ts)
+{
+       int j;
+
+       memset(ts, 0, sizeof(*ts));
+
+       for (j = 0; j <= DDIR_WRITE; j++) {
+               ts->lat_stat[j].min_val = -1UL;
+               ts->clat_stat[j].min_val = -1UL;
+               ts->slat_stat[j].min_val = -1UL;
+               ts->bw_stat[j].min_val = -1UL;
+       }
+       ts->groupid = -1;
+}
+
 void show_run_stats(void)
 {
        struct group_run_stats *runstats, *rs;
@@ -701,13 +743,8 @@ void show_run_stats(void)
 
        runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
 
-       for (i = 0; i < groupid + 1; i++) {
-               rs = &runstats[i];
-
-               memset(rs, 0, sizeof(*rs));
-               rs->min_bw[0] = rs->min_run[0] = ~0UL;
-               rs->min_bw[1] = rs->min_run[1] = ~0UL;
-       }
+       for (i = 0; i < groupid + 1; i++)
+               init_group_run_stat(&runstats[i]);
 
        /*
         * find out how many threads stats we need. if group reporting isn't
@@ -729,18 +766,8 @@ void show_run_stats(void)
 
        threadstats = malloc(nr_ts * sizeof(struct thread_stat));
 
-       for (i = 0; i < nr_ts; i++) {
-               ts = &threadstats[i];
-
-               memset(ts, 0, sizeof(*ts));
-               for (j = 0; j <= DDIR_WRITE; j++) {
-                       ts->lat_stat[j].min_val = -1UL;
-                       ts->clat_stat[j].min_val = -1UL;
-                       ts->slat_stat[j].min_val = -1UL;
-                       ts->bw_stat[j].min_val = -1UL;
-               }
-               ts->groupid = -1;
-       }
+       for (i = 0; i < nr_ts; i++)
+               init_thread_stat(&threadstats[i]);
 
        j = 0;
        last_ts = -1;

diff --git a/stat.h b/stat.h
index a35f9b1a327f21db80d55c298f4947d595b63fba..3115539fdb183ad57240f1b2ea8fe9cf27ba526e 100644 (file)
--- a/stat.h
+++ b/stat.h
@@ -194,5 +194,8 @@ extern int calc_thread_status(struct jobs_eta *je, int force);
 extern void display_thread_status(struct jobs_eta *je);
 extern void show_run_stats(void);
 extern void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, int nr);
+extern void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src);
+extern void init_thread_stat(struct thread_stat *ts);
+extern void init_group_run_stat(struct group_run_stats *gs);
 
 #endif