diff --git a/src/sysprof/sysprof-memory-section.c b/src/sysprof/sysprof-memory-section.c
index 3cc4899c..2ca360c1 100644
--- a/src/sysprof/sysprof-memory-section.c
+++ b/src/sysprof/sysprof-memory-section.c
@@ -32,6 +32,7 @@
 #include "sysprof-column-layer.h"
 #include "sysprof-memory-callgraph-view.h"
 #include "sysprof-memory-section.h"
+#include "sysprof-sampled-model.h"
 #include "sysprof-session-model-item.h"
 #include "sysprof-session-model.h"
 #include "sysprof-time-series.h"
@@ -181,6 +182,7 @@ sysprof_memory_section_class_init (SysprofMemorySectionClass *klass)
   g_type_ensure (SYSPROF_TYPE_DOCUMENT_ALLOCATION);
   g_type_ensure (SYSPROF_TYPE_DOCUMENT_TRACEABLE);
   g_type_ensure (SYSPROF_TYPE_MEMORY_CALLGRAPH_VIEW);
+  g_type_ensure (SYSPROF_TYPE_SAMPLED_MODEL);
   g_type_ensure (SYSPROF_TYPE_VALUE_AXIS);
   g_type_ensure (SYSPROF_TYPE_XY_SERIES);
 }
diff --git a/src/sysprof/sysprof-memory-section.ui b/src/sysprof/sysprof-memory-section.ui
index 01537435..8dec6d44 100644
--- a/src/sysprof/sysprof-memory-section.ui
+++ b/src/sysprof/sysprof-memory-section.ui
@@ -41,19 +41,24 @@
                     <property name="series">
                       <object class="SysprofXYSeries">
                         <property name="model">
-                          <object class="SysprofTimeFilterModel">
-                            <binding name="time-span">
-                              <lookup name="visible-time" type="SysprofSession">
-                                <lookup name="session">SysprofMemorySection</lookup>
-                              </lookup>
-                            </binding>
-                            <binding name="model">
-                              <lookup name="allocations" type="SysprofDocument">
-                                <lookup name="document" type="SysprofSession">
-                                  <lookup name="session">SysprofMemorySection</lookup>
-                                </lookup>
-                              </lookup>
-                            </binding>
+                          <object class="SysprofSampledModel">
+                            <property name="max-items">5000</property>
+                            <property name="model">
+                              <object class="SysprofTimeFilterModel">
+                                <binding name="time-span">
+                                  <lookup name="visible-time" type="SysprofSession">
+                                    <lookup name="session">SysprofMemorySection</lookup>
+                                  </lookup>
+                                </binding>
+                                <binding name="model">
+                                  <lookup name="allocations" type="SysprofDocument">
+                                    <lookup name="document" type="SysprofSession">
+                                      <lookup name="session">SysprofMemorySection</lookup>
+                                    </lookup>
+                                  </lookup>
+                                </binding>
+                              </object>
+                            </property>
                           </object>
                         </property>
                         <property name="x-expression">