diff --git a/figures/fig_receiver_cpu.R b/figures/fig_receiver_cpu.R
index 981487b..fbd41ac 100644
--- a/figures/fig_receiver_cpu.R
+++ b/figures/fig_receiver_cpu.R
@@ -2,6 +2,8 @@
 source("common.R")
 
 parser <- fig_parser(description = "Receiver CPU bar chart")
+parser$add_argument("--ymin", type = "double")
+parser$add_argument("--ymax", type = "double")
 parser$add_argument("--ystep", type = "double",
                     help = "y-axis major tick spacing (omit = auto)")
 args <- parser$parse_args()
@@ -17,10 +19,18 @@ p <- ggplot(runs, aes(x = solution, y = mean_pct, fill = solution)) +
   geom_errorbar(aes(ymin = mean_pct - sd_pct, ymax = mean_pct + sd_pct),
                 width = 0.2) +
   scale_fill_manual(values = LABEL_COLORS, guide = "none") +
-  labs(x = NULL, y = paste0("Average CPU usage (", pct_sign(), ")")) +
-  theme_paper()
+  labs(x = NULL, y = paste0("Average CPU (", pct_sign(), ")")) +
+  theme_paper() +
+  theme(axis.text.x = element_text(angle = 45, hjust = 1),
+        plot.margin = margin(2, 4, 0, 2))
 
-if (!is.null(args$ystep)) {
+if (!is.null(args$ymax)) {
+  ymin <- if (is.null(args$ymin)) 0 else args$ymin
+  p <- p + coord_cartesian(ylim = c(ymin, args$ymax))
+  if (!is.null(args$ystep)) {
+    p <- p + scale_y_continuous(breaks = seq(ymin, args$ymax, args$ystep))
+  }
+} else if (!is.null(args$ystep)) {
   p <- p + scale_y_continuous(breaks = scales::breaks_width(args$ystep))
 }
 
diff --git a/figures/fig_sender_cpu.R b/figures/fig_sender_cpu.R
index d1b5a97..19a0c88 100644
--- a/figures/fig_sender_cpu.R
+++ b/figures/fig_sender_cpu.R
@@ -2,6 +2,8 @@
 source("common.R")
 
 parser <- fig_parser(description = "Sender CPU bar chart")
+parser$add_argument("--ymin", type = "double")
+parser$add_argument("--ymax", type = "double")
 parser$add_argument("--ystep", type = "double",
                     help = "y-axis major tick spacing (omit = auto)")
 args <- parser$parse_args()
@@ -17,10 +19,18 @@ p <- ggplot(runs, aes(x = solution, y = mean_pct, fill = solution)) +
   geom_errorbar(aes(ymin = mean_pct - sd_pct, ymax = mean_pct + sd_pct),
                 width = 0.2) +
   scale_fill_manual(values = LABEL_COLORS, guide = "none") +
-  labs(x = NULL, y = paste0("Average CPU usage (", pct_sign(), ")")) +
-  theme_paper()
+  labs(x = NULL, y = paste0("Average CPU (", pct_sign(), ")")) +
+  theme_paper() +
+  theme(axis.text.x = element_text(angle = 45, hjust = 1),
+        plot.margin = margin(2, 4, 0, 2))
 
-if (!is.null(args$ystep)) {
+if (!is.null(args$ymax)) {
+  ymin <- if (is.null(args$ymin)) 0 else args$ymin
+  p <- p + coord_cartesian(ylim = c(ymin, args$ymax))
+  if (!is.null(args$ystep)) {
+    p <- p + scale_y_continuous(breaks = seq(ymin, args$ymax, args$ystep))
+  }
+} else if (!is.null(args$ystep)) {
   p <- p + scale_y_continuous(breaks = scales::breaks_width(args$ystep))
 }