Make stopped ldom utilization appear as zero

ldomctl(8) 'status' updated the value only on running guests,
i.e. stopped ones repeated the last ones instead of showing zero.

Always reset per guest before updating it, From Koakuma, thanks!

diff --git a/usr.sbin/ldomctl/ldomctl.c b/usr.sbin/ldomctl/ldomctl.c
index e48a560..78dfdb3 100644 (file)
--- a/usr.sbin/ldomctl/ldomctl.c
+++ b/usr.sbin/ldomctl/ldomctl.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ldomctl.c,v 1.40 2021/10/24 21:24:18 deraadt Exp $    */
+/*     $OpenBSD: ldomctl.c,v 1.41 2023/08/10 07:50:45 kn Exp $ */
 
 /*
  * Copyright (c) 2012 Mark Kettenis
@@ -592,6 +592,8 @@ guest_status(int argc, char **argv)
                if (nbytes != sizeof(msg))
                        err(1, "read");
 
+               utilisation = 0.0;
+
                memcpy(&state, msg.msg.resstat.data, sizeof(state));
                switch (state.state) {
                case GUEST_STATE_STOPPED:
@@ -644,8 +646,6 @@ guest_status(int argc, char **argv)
                        if (yielded_cycles <= total_cycles)
                                utilisation = (100.0 * (total_cycles
                                    - yielded_cycles)) / total_cycles;
-                       else
-                               utilisation = 0.0;
 
                        break;
                case GUEST_STATE_SUSPENDED: