libsysprof-analyze: add document type for samples

src/libsysprof-analyze/meson.build

@@ -1,12 +1,14 @@
 libsysprof_analyze_public_sources = [
   'sysprof-document.c',
   'sysprof-document-frame.c',
+  'sysprof-document-sample.c',
 ]
 
 libsysprof_analyze_public_headers = [
   'sysprof-analyze.h',
   'sysprof-document.h',
   'sysprof-document-frame.h',
+  'sysprof-document-sample.h',
 ]
 
 libsysprof_analyze_deps = [

src/libsysprof-analyze/sysprof-analyze.h

@@ -27,6 +27,7 @@ G_BEGIN_DECLS
 #define SYSPROF_ANALYZE_INSIDE
 # include "sysprof-document.h"
 # include "sysprof-document-frame.h"
+# include "sysprof-document-sample.h"
 #undef SYSPROF_ANALYZE_INSIDE
 
 G_END_DECLS

src/libsysprof-analyze/sysprof-document-frame.c

@@ -21,6 +21,7 @@
 #include "config.h"
 
 #include "sysprof-document-frame-private.h"
+#include "sysprof-document-sample.h"
 
 G_DEFINE_TYPE (SysprofDocumentFrame, sysprof_document_frame, G_TYPE_OBJECT)
 
@@ -117,10 +118,13 @@ _sysprof_document_frame_new (GMappedFile               *mapped_file,
                              guint16                    frame_len,
                              gboolean                   needs_swap)
 {
+  GType gtype = SYSPROF_TYPE_DOCUMENT_FRAME;
   SysprofDocumentFrame *self;
 
-  self = g_object_new (SYSPROF_TYPE_DOCUMENT_FRAME, NULL);
+  if (frame->type == SYSPROF_CAPTURE_FRAME_SAMPLE)
+    gtype = SYSPROF_TYPE_DOCUMENT_SAMPLE;
 
+  self = g_object_new (gtype, NULL);
   self->mapped_file = g_mapped_file_ref (mapped_file);
   self->frame = frame;
   self->frame_len = frame_len;

src/libsysprof-analyze/sysprof-document-sample.c

@@ -0,0 +1,133 @@
+/* sysprof-document-sample.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 "config.h"
+
+#include "sysprof-document-frame-private.h"
+#include "sysprof-document-sample.h"
+
+struct _SysprofDocumentSample
+{
+  SysprofDocumentFrame parent_instance;
+};
+
+struct _SysprofDocumentSampleClass
+{
+  SysprofDocumentFrameClass parent_class;
+};
+
+enum {
+  PROP_0,
+  PROP_DEPTH,
+  PROP_TID,
+  N_PROPS
+};
+
+G_DEFINE_FINAL_TYPE (SysprofDocumentSample, sysprof_document_sample, SYSPROF_TYPE_DOCUMENT_FRAME)
+
+static GParamSpec *properties [N_PROPS];
+
+static void
+sysprof_document_sample_get_property (GObject    *object,
+                                      guint       prop_id,
+                                      GValue     *value,
+                                      GParamSpec *pspec)
+{
+  SysprofDocumentSample *self = SYSPROF_DOCUMENT_SAMPLE (object);
+
+  switch (prop_id)
+    {
+    case PROP_DEPTH:
+      g_value_set_uint (value, sysprof_document_sample_get_depth (self));
+      break;
+
+    case PROP_TID:
+      g_value_set_int (value, sysprof_document_sample_get_tid (self));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_document_sample_class_init (SysprofDocumentSampleClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->get_property = sysprof_document_sample_get_property;
+
+  /**
+   * SysprofDocumentSample:tid:
+   *
+   * The task-id or thread-id of the thread which was sampled.
+   *
+   * On Linux, this is generally set to the value of the gettid() syscall.
+   *
+   * Since: 45
+   */
+  properties [PROP_TID] =
+    g_param_spec_int ("tid", NULL, NULL,
+                      G_MININT32, G_MAXINT32, 0,
+                      (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+  /**
+   * SysprofDocumentSample:depth:
+   *
+   * The depth of the stack trace.
+   *
+   * Since: 45
+   */
+  properties [PROP_DEPTH] =
+    g_param_spec_uint ("depth", NULL, NULL,
+                       0, G_MAXUINT32, 0,
+                       (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_properties (object_class, N_PROPS, properties);
+}
+
+static void
+sysprof_document_sample_init (SysprofDocumentSample *self)
+{
+}
+
+guint
+sysprof_document_sample_get_depth (SysprofDocumentSample *self)
+{
+  const SysprofCaptureSample *sample;
+
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_SAMPLE (self), 0);
+
+  sample = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureSample);
+
+  return SYSPROF_DOCUMENT_FRAME_UINT32 (self, sample->n_addrs);
+}
+
+int
+sysprof_document_sample_get_tid (SysprofDocumentSample *self)
+{
+  const SysprofCaptureSample *sample;
+
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_SAMPLE (self), 0);
+
+  sample = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureSample);
+
+  return SYSPROF_DOCUMENT_FRAME_INT32 (self, sample->tid);
+}

src/libsysprof-analyze/sysprof-document-sample.h

@@ -0,0 +1,42 @@
+/* sysprof-document-sample.h
+ *
+ * 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
+ */
+
+#pragma once
+
+#include "sysprof-document-sample.h"
+
+G_BEGIN_DECLS
+
+#define SYSPROF_TYPE_DOCUMENT_SAMPLE         (sysprof_document_sample_get_type())
+#define SYSPROF_IS_DOCUMENT_SAMPLE(obj)      G_TYPE_CHECK_INSTANCE_TYPE(obj, SYSPROF_TYPE_DOCUMENT_SAMPLE)
+#define SYSPROF_DOCUMENT_SAMPLE(obj)         G_TYPE_CHECK_INSTANCE_CAST(obj, SYSPROF_TYPE_DOCUMENT_SAMPLE, SysprofDocumentSample)
+#define SYSPROF_DOCUMENT_SAMPLE_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, SYSPROF_TYPE_DOCUMENT_SAMPLE, SysprofDocumentSampleClass)
+
+typedef struct _SysprofDocumentSample      SysprofDocumentSample;
+typedef struct _SysprofDocumentSampleClass SysprofDocumentSampleClass;
+
+SYSPROF_AVAILABLE_IN_ALL
+GType  sysprof_document_sample_get_type  (void) G_GNUC_CONST;
+SYSPROF_AVAILABLE_IN_ALL
+guint  sysprof_document_sample_get_depth (SysprofDocumentSample *self);
+SYSPROF_AVAILABLE_IN_ALL
+int    sysprof_document_sample_get_tid   (SysprofDocumentSample *self);
+
+G_END_DECLS

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

@@ -36,10 +36,11 @@ main (int argc,
     {
       SysprofDocumentFrame *frame = g_list_model_get_item (G_LIST_MODEL (document), i);
 
-      g_print ("%"G_GINT64_FORMAT" [pid %d] [cpu %d]\n",
+      g_print ("%"G_GINT64_FORMAT" [pid %d] [cpu %d] (type %s)\n",
                sysprof_document_frame_get_time (frame),
                sysprof_document_frame_get_pid (frame),
-               sysprof_document_frame_get_cpu (frame));
+               sysprof_document_frame_get_cpu (frame),
+               G_OBJECT_TYPE_NAME (frame));
 
       g_clear_object (&frame);
     }