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libsysprof-analyze: index jitmaps for faster access

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We want quick access to these for the jitmap symbolizer, so index them
like we do other important types with GtkBitset to get their frame
positions.
This commit is contained in:
Christian Hergert
2023-05-22 12:25:55 -07:00
parent 8abc55f0e6
commit aab4408f73
3 changed files with 31 additions and 2 deletions
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25
src/libsysprof-analyze/sysprof-document.c
View File

@ -30,6 +30,7 @@
#include "sysprof-document-file-chunk.h"
#include "sysprof-document-file-private.h"
#include "sysprof-document-frame-private.h"
#include "sysprof-document-jitmap.h"
#include "sysprof-document-mmap.h"
#include "sysprof-document-process-private.h"
#include "sysprof-document-symbols-private.h"
@ -58,6 +59,7 @@ struct _SysprofDocument
GtkBitset *mmaps;
GtkBitset *overlays;
GtkBitset *pids;
GtkBitset *jitmaps;
GHashTable *files_first_position;
GHashTable *pid_to_process_info;
@ -197,6 +199,7 @@ sysprof_document_finalize (GObject *object)
g_clear_pointer (&self->frames, g_array_unref);
g_clear_pointer (&self->file_chunks, gtk_bitset_unref);
g_clear_pointer (&self->jitmaps, gtk_bitset_unref);
g_clear_pointer (&self->mmaps, gtk_bitset_unref);
g_clear_pointer (&self->overlays, gtk_bitset_unref);
g_clear_pointer (&self->pids, gtk_bitset_unref);
@ -226,6 +229,7 @@ sysprof_document_init (SysprofDocument *self)
self->frames = g_array_new (FALSE, FALSE, sizeof (SysprofDocumentFramePointer));
self->file_chunks = gtk_bitset_new_empty ();
self->jitmaps = gtk_bitset_new_empty ();
self->mmaps = gtk_bitset_new_empty ();
self->overlays = gtk_bitset_new_empty ();
self->pids = gtk_bitset_new_empty ();
@ -502,6 +506,10 @@ sysprof_document_load_worker (GTask *task,
gtk_bitset_add (self->file_chunks, self->frames->len);
break;
case SYSPROF_CAPTURE_FRAME_JITMAP:
gtk_bitset_add (self->jitmaps, self->frames->len);
break;
case SYSPROF_CAPTURE_FRAME_MAP:
gtk_bitset_add (self->mmaps, self->frames->len);
break;
@ -826,6 +834,23 @@ sysprof_document_list_processes (SysprofDocument *self)
return _sysprof_document_bitset_index_new (G_LIST_MODEL (self), self->processes);
}
/**
* sysprof_document_list_jitmaps:
* @self: a #SysprofDocument
*
* Gets a #GListModel containing #SysprofDocumentJitmap found within
* the #SysprofDocument.
*
* Returns: (transfer full): a #GListModel of #SysprofDocumentJitmap
*/
GListModel *
sysprof_document_list_jitmaps (SysprofDocument *self)
{
g_return_val_if_fail (SYSPROF_IS_DOCUMENT (self), NULL);
return _sysprof_document_bitset_index_new (G_LIST_MODEL (self), self->jitmaps);
}
/**
* sysprof_document_symbolize_traceable: (skip)
* @self: a #SysprofDocument

2
src/libsysprof-analyze/sysprof-document.h
View File

@ -45,6 +45,8 @@ GListModel *sysprof_document_list_traceables (SysprofDocument
SYSPROF_AVAILABLE_IN_ALL
GListModel *sysprof_document_list_processes (SysprofDocument *self);
SYSPROF_AVAILABLE_IN_ALL
GListModel *sysprof_document_list_jitmaps (SysprofDocument *self);
SYSPROF_AVAILABLE_IN_ALL
guint sysprof_document_symbolize_traceable (SysprofDocument *self,
SysprofDocumentTraceable *traceable,
SysprofSymbol **symbols,

6
src/libsysprof-analyze/tests/test-list-jitmap.c
View File

@ -28,6 +28,7 @@ main (int argc,
{
g_autoptr(SysprofDocumentLoader) loader = NULL;
g_autoptr(SysprofDocument) document = NULL;
g_autoptr(GListModel) model = NULL;
g_autoptr(GError) error = NULL;
guint n_items;
@ -46,11 +47,12 @@ main (int argc,
return 1;
}
n_items = g_list_model_get_n_items (G_LIST_MODEL (document));
model = sysprof_document_list_jitmaps (document);
n_items = g_list_model_get_n_items (model);
for (guint i = 0; i < n_items; i++)
{
g_autoptr(SysprofDocumentFrame) frame = g_list_model_get_item ((GListModel *)document, i);
g_autoptr(SysprofDocumentFrame) frame = g_list_model_get_item (model, i);
if (SYSPROF_IS_DOCUMENT_JITMAP (frame))
{