libsysprof-analyze: add flag to ignore system libraries

src/libsysprof-analyze/sysprof-callgraph.c

@@ -213,7 +213,8 @@ static SysprofCallgraphNode *
 sysprof_callgraph_add_trace (SysprofCallgraph  *self,
                              SysprofSymbol    **symbols,
                              guint              n_symbols,
-                             guint              list_model_index)
+                             guint              list_model_index,
+                             gboolean           hide_system_libraries)
 {
   SysprofCallgraphNode *parent = NULL;
 
@@ -238,6 +239,9 @@ sysprof_callgraph_add_trace (SysprofCallgraph  *self,
       SysprofSymbol *symbol = symbols[i-1];
       SysprofCallgraphNode *node = NULL;
 
+      if (hide_system_libraries && _sysprof_symbol_is_system_library (symbol))
+        continue;
+
       /* Try to find @symbol within the children of @parent */
       for (SysprofCallgraphNode *iter = parent->children;
            iter != NULL;
@@ -335,7 +339,11 @@ sysprof_callgraph_add_traceable (SysprofCallgraph         *self,
   symbols[n_symbols++] = _sysprof_document_process_symbol (self->document, pid);
   symbols[n_symbols++] = everything;
 
-  node = sysprof_callgraph_add_trace (self, symbols, n_symbols, list_model_index);
+  node = sysprof_callgraph_add_trace (self,
+                                      symbols,
+                                      n_symbols,
+                                      list_model_index,
+                                      !!(self->flags & SYSPROF_CALLGRAPH_FLAGS_HIDE_SYSTEM_LIBRARIES));
 
   if (node && self->augment_func)
     self->augment_func (self,

src/libsysprof-analyze/sysprof-callgraph.h

@@ -64,8 +64,9 @@ typedef void (*SysprofAugmentationFunc) (SysprofCallgraph     *callgraph,
 
 typedef enum _SysprofCallgraphFlags
 {
-  SYSPROF_CALLGRAPH_FLAGS_NONE = 0,
-  SYSPROF_CALLGRAPH_FLAGS_INCLUDE_THREADS = 1 << 1,
+  SYSPROF_CALLGRAPH_FLAGS_NONE                  = 0,
+  SYSPROF_CALLGRAPH_FLAGS_INCLUDE_THREADS       = 1 << 1,
+  SYSPROF_CALLGRAPH_FLAGS_HIDE_SYSTEM_LIBRARIES = 1 << 2,
 } SysprofCallgraphFlags;
 
 SYSPROF_AVAILABLE_IN_ALL

src/libsysprof-analyze/sysprof-elf.c

@@ -54,32 +54,18 @@ static const struct {
   const char *nick;
 } nick_table[] = {
   { "libc.so", "libc" },
-  { "libcairo-gobject.so", "Cairo" },
-  { "libcairo.so", "Cairo" },
-  { "libclutter-1.0.so", "Clutter" },
-  { "libclutter-glx-1.0.so", "Clutter" },
   { "libffi.so", "libffi" },
-  { "libgjs.so", "GJS" },
-  { "libgstreamer-1-0.so", "GStreamer" },
-  { "libgudev-1.0.so", "udev" },
-  { "libibus-1.0.so", "IBus" },
-  { "libinput.so", "Mutter" },
   { "ld-linux-x86-64.so", "glibc" },
   { "libnss_sss.so", "NSS" },
   { "libsss_debug.so", "SSSD" },
   { "libsss_util.so", "SSSD" },
   { "libnss_systemd.so", "NSS" },
   { "libpcre2-8.so", "PCRE" },
-  { "libpixman-1.so", "Pixman" },
-  { "libpolkit-agent-1.so", "PolicyKit" },
-  { "libpolkit-gobject-1.so", "PolicyKit" },
   { "libselinux.so", "SELinux" },
   { "libssl3.so", "NSS" },
   { "libstdc++.so", "libc" },
   { "libsystemd.so", "systemd" },
   { "libudev.so", "udev" },
-  { "libvte-2.91.so", "VTE" },
-  { "libvte-2.91-gtk4.so", "VTE" },
   { "libxul.so", "XUL" },
   { "libz.so", "Zlib" },
   { "libzstd.so", "Zstd" },
@@ -90,6 +76,24 @@ static const struct {
   { "libgio-2.0.so", "Gio" },
   { "libgirepository-1.0.so", "Introspection" },
 
+  /* Cairo/Pixman */
+  { "libcairo-gobject.so", "Cairo" },
+  { "libcairo.so", "Cairo" },
+  { "libpixman-1.so", "Pixman" },
+
+  /* Various GNOME Platform Libraries */
+  { "libdex-1.so", "Dex" },
+  { "libgjs.so", "GJS" },
+  { "libgstreamer-1-0.so", "GStreamer" },
+  { "libgudev-1.0.so", "udev" },
+  { "libibus-1.0.so", "IBus" },
+  { "libjson-glib-1.0.so", "JSON-GLib" },
+  { "libjsonrpc-glib-1.0.so", "JSONRPC-GLib" },
+  { "libpolkit-agent-1.so", "PolicyKit" },
+  { "libpolkit-gobject-1.so", "PolicyKit" },
+  { "libvte-2.91-gtk4.so", "VTE" },
+  { "libvte-2.91.so", "VTE" },
+
   /* Pango and Harfbuzz */
   { "libfribidi.so", "Fribidi" },
   { "libpango-1.0.so", "Pango" },
@@ -122,6 +126,9 @@ static const struct {
   { "libwayland-server.so", "Wayland Server" },
 
   /* Mutter/Clutter/Shell */
+  { "libclutter-1.0.so", "Clutter" },
+  { "libclutter-glx-1.0.so", "Clutter" },
+  { "libinput.so", "libinput" },
   { "libmutter-12.so", "Mutter" },
   { "libmutter-cogl-12.so", "Mutter" },
   { "libmutter-clutter-12.so", "Mutter" },

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

@@ -85,4 +85,31 @@ _sysprof_symbol_is_context_switch (SysprofSymbol *symbol)
   return symbol->kind == SYSPROF_SYMBOL_KIND_CONTEXT_SWITCH;
 }
 
+static inline gboolean
+_sysprof_symbol_is_system_library (SysprofSymbol *symbol)
+{
+  switch (symbol->kind)
+    {
+    case SYSPROF_SYMBOL_KIND_ROOT:
+    case SYSPROF_SYMBOL_KIND_PROCESS:
+    case SYSPROF_SYMBOL_KIND_THREAD:
+    case SYSPROF_SYMBOL_KIND_CONTEXT_SWITCH:
+    case SYSPROF_SYMBOL_KIND_UNWINDABLE:
+    default:
+      return FALSE;
+
+    case SYSPROF_SYMBOL_KIND_KERNEL:
+      return TRUE;
+
+    case SYSPROF_SYMBOL_KIND_USER:
+      if (symbol->binary_nick != NULL)
+        return TRUE;
+
+      if (symbol->binary_path != NULL)
+        return !!strstr (symbol->binary_path, "/usr/");
+
+      return FALSE;
+    }
+}
+
 G_END_DECLS