libsysprof-analyze: start on sysprof-analyze library

The goal here is to break up libsysprof into a library for recording
profiles (using libsysprof-capture) and a library for analyzing profiles
(both used by the sysprof UI).

src/libsysprof-analyze/tests/test-capture-model.c

@@ -0,0 +1,55 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <sysprof-analyze.h>
+
+int
+main (int argc,
+      char *argv[])
+{
+  SysprofCaptureModel *model;
+  const char *filename;
+  GError *error = NULL;
+  guint n_items;
+  int fd;
+
+  sysprof_clock_init ();
+
+  if (argc < 2)
+    {
+      g_printerr ("usage: %s FILENAME\n", argv[0]);
+      return 1;
+    }
+
+  filename = argv[1];
+  fd = open (filename, O_RDONLY|O_CLOEXEC);
+
+  if (fd == -1)
+    {
+      g_printerr ("Failed to open %s: %s\n",
+                  filename, g_strerror (errno));
+      return 1;
+    }
+
+  if (!(model = sysprof_capture_model_new_from_fd (fd, &error)))
+    {
+      g_printerr ("Failed to load %s: %s\n",
+                  filename, error->message);
+      return 1;
+    }
+
+  n_items = g_list_model_get_n_items (G_LIST_MODEL (model));
+
+  g_print ("%u frames\n", n_items);
+
+  for (guint i = 0; i < n_items; i++)
+    {
+      SysprofCaptureFrameObject *obj = g_list_model_get_item (G_LIST_MODEL (model), i);
+
+      g_clear_object (&obj);
+    }
+
+  close (fd);
+  g_clear_object (&model);
+
+  return 0;
+}