libsysprof-analyze: add bit for context switch symbols

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

@@ -178,6 +178,8 @@ sysprof_document_symbols_worker (GTask        *task,
     {
       g_autoptr(SysprofSymbol) symbol = _sysprof_symbol_new (g_ref_string_new_intern (context_switches[cs].name), NULL, NULL, 0, 0);
 
+      symbol->is_context_switch = TRUE;
+
       /* TODO: It would be nice if we had enough insight from the capture header
        * as to the host system, so we can show "vmlinuz" and "Linux" respectively
        * for binary-path and binary-nick when the capture came from Linux.

src/libsysprof-analyze/sysprof-symbol-private.h

@@ -37,6 +37,8 @@ struct _SysprofSymbol
 
   SysprofAddress begin_address;
   SysprofAddress end_address;
+
+  guint is_context_switch : 1;
 };
 
 SysprofSymbol *_sysprof_symbol_new (GRefString     *name,
@@ -58,4 +60,10 @@ _sysprof_symbol_equal (const SysprofSymbol *a,
   return strcmp (a->name, b->name) == 0;
 }
 
+static inline gboolean
+_sysprof_symbol_is_context_switch (SysprofSymbol *symbol)
+{
+  return symbol->is_context_switch;
+}
+
 G_END_DECLS