libsysprof-analyze: index and list counters from capture

src/libsysprof-analyze/sysprof-document.c

@@ -28,6 +28,7 @@
 
 #include "sysprof-document-bitset-index-private.h"
 #include "sysprof-document-counter-private.h"
+#include "sysprof-document-ctrdef.h"
 #include "sysprof-document-file-chunk.h"
 #include "sysprof-document-file-private.h"
 #include "sysprof-document-frame-private.h"
@@ -51,6 +52,7 @@ struct _SysprofDocument
   GArray                   *frames;
   GMappedFile              *mapped_file;
   const guint8             *base;
+  GListStore               *counters;
 
   SysprofStrings           *strings;
 
@@ -209,6 +211,7 @@ sysprof_document_finalize (GObject *object)
   g_clear_pointer (&self->processes, gtk_bitset_unref);
   g_clear_pointer (&self->traceables, gtk_bitset_unref);
 
+  g_clear_object (&self->counters);
   g_clear_object (&self->mount_namespace);
   g_clear_object (&self->symbols);
 
@@ -231,6 +234,8 @@ sysprof_document_init (SysprofDocument *self)
 
   self->frames = g_array_new (FALSE, FALSE, sizeof (SysprofDocumentFramePointer));
 
+  self->counters = g_list_store_new (SYSPROF_TYPE_DOCUMENT_COUNTER);
+
   self->ctrdefs = gtk_bitset_new_empty ();
   self->file_chunks = gtk_bitset_new_empty ();
   self->jitmaps = gtk_bitset_new_empty ();
@@ -431,18 +436,43 @@ sysprof_document_load_overlays (SysprofDocument *self)
 static void
 sysprof_document_load_counters (SysprofDocument *self)
 {
+  g_autoptr(GPtrArray) counters = NULL;
   GtkBitsetIter iter;
   guint i;
 
   g_assert (SYSPROF_IS_DOCUMENT (self));
 
+  counters = g_ptr_array_new_with_free_func (g_object_unref);
+
   if (gtk_bitset_iter_init_first (&iter, self->ctrdefs, &i))
     {
       do
         {
+          g_autoptr(SysprofDocumentCtrdef) ctrdef = g_list_model_get_item (G_LIST_MODEL (self), i);
+          guint n_counters = sysprof_document_ctrdef_get_n_counters (ctrdef);
 
+          for (guint j = 0; j < n_counters; j++)
+            {
+              const char *category;
+              const char *name;
+              const char *description;
+              guint id;
+              guint type;
+
+              sysprof_document_ctrdef_get_counter (ctrdef, j, &id, &type, &category, &name, &description);
+
+              g_ptr_array_add (counters,
+                               _sysprof_document_counter_new (id,
+                                                              type,
+                                                              sysprof_strings_get (self->strings, category),
+                                                              sysprof_strings_get (self->strings, name),
+                                                              sysprof_strings_get (self->strings, description)));
+            }
         }
       while (gtk_bitset_iter_next (&iter, &i));
+
+      if (counters->len > 0)
+        g_list_store_splice (self->counters, 0, 0, counters->pdata, counters->len);
     }
 }
 
@@ -927,3 +957,17 @@ sysprof_document_symbolize_traceable (SysprofDocument           *self,
 
   return n_addresses;
 }
+
+/**
+ * sysprof_document_list_counters:
+ * @self: a #SysprofDocument
+ *
+ * Returns: (transfer full): a #GListModel of #SysprofDocumentCounter
+ */
+GListModel *
+sysprof_document_list_counters (SysprofDocument *self)
+{
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT (self), NULL);
+
+  return g_object_ref (G_LIST_MODEL (self->counters));
+}

src/libsysprof-analyze/sysprof-document.h

@@ -47,6 +47,8 @@ GListModel             *sysprof_document_list_processes      (SysprofDocument
 SYSPROF_AVAILABLE_IN_ALL
 GListModel             *sysprof_document_list_jitmaps        (SysprofDocument           *self);
 SYSPROF_AVAILABLE_IN_ALL
+GListModel             *sysprof_document_list_counters       (SysprofDocument           *self);
+SYSPROF_AVAILABLE_IN_ALL
 guint                   sysprof_document_symbolize_traceable (SysprofDocument           *self,
                                                               SysprofDocumentTraceable  *traceable,
                                                               SysprofSymbol            **symbols,

src/libsysprof-analyze/tests/meson.build

@@ -14,6 +14,7 @@ libsysprof_analyze_testsuite_c_args = [
 libsysprof_analyze_testsuite = {
   'test-capture-model'       : {'skip': true},
   'test-elf-loader'          : {'skip': true},
+  'test-list-counters'       : {'skip': true},
   'test-list-files'          : {'skip': true},
   'test-list-jitmap'         : {'skip': true},
   'test-print-file'          : {'skip': true},

src/libsysprof-analyze/tests/test-list-counters.c

@@ -0,0 +1,66 @@
+/* test-list-counters.c
+ *
+ * Copyright 2023 Christian Hergert <chergert@redhat.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include <sysprof-analyze.h>
+
+#include "sysprof-document-private.h"
+
+int
+main (int   argc,
+      char *argv[])
+{
+  g_autoptr(SysprofDocumentLoader) loader = NULL;
+  g_autoptr(SysprofDocument) document = NULL;
+  g_autoptr(GListModel) model = NULL;
+  g_autoptr(GError) error = NULL;
+  guint n_items;
+
+  if (argc < 2)
+    {
+      g_printerr ("usage: %s CAPTURE_FILE\n", argv[0]);
+      return 1;
+    }
+
+  loader = sysprof_document_loader_new (argv[1]);
+  sysprof_document_loader_set_symbolizer (loader, sysprof_no_symbolizer_get ());
+
+  if (!(document = sysprof_document_loader_load (loader, NULL, &error)))
+    {
+      g_printerr ("Failed to open capture: %s\n", error->message);
+      return 1;
+    }
+
+  model = sysprof_document_list_counters (document);
+  n_items = g_list_model_get_n_items (model);
+
+  for (guint i = 0; i < n_items; i++)
+    {
+      g_autoptr(SysprofDocumentCounter) counter = g_list_model_get_item (model, i);
+
+      g_print ("%d<%s> %s.%s: %s\n",
+               sysprof_document_counter_get_id (counter),
+               sysprof_document_counter_get_value_type (counter) == G_TYPE_INT64 ? "i64" : "f64",
+               sysprof_document_counter_get_category (counter),
+               sysprof_document_counter_get_name (counter),
+               sysprof_document_counter_get_description (counter));
+    }
+
+  return 0;
+}