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libsysprof-analyze: index locations of file chunks

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Create a roaring bitmap of list model positions that contain file chunks.
We can use this in the future to avoid iterating the whole listmodel for
matching file chunks to just the index positions containing file chunks.
This commit is contained in:
Christian Hergert
2023-05-05 13:37:03 -07:00
parent 235dd98621
commit e763cc14bb
1 changed files with 5 additions and 0 deletions
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5
src/libsysprof-analyze/sysprof-document.c
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@ -37,6 +37,7 @@ struct _SysprofDocument
GMappedFile *mapped_file;
const guint8 *base;
GtkBitset *file_chunks;
GtkBitset *traceables;
GMutex strings_mutex;
@ -102,6 +103,7 @@ sysprof_document_finalize (GObject *object)
g_clear_pointer (&self->frames, g_array_unref);
g_clear_pointer (&self->strings, g_hash_table_unref);
g_clear_pointer (&self->traceables, gtk_bitset_unref);
g_clear_pointer (&self->file_chunks, gtk_bitset_unref);
g_mutex_clear (&self->strings_mutex);
@ -124,6 +126,7 @@ sysprof_document_init (SysprofDocument *self)
self->strings = g_hash_table_new_full (g_str_hash, g_str_equal, NULL,
(GDestroyNotify)g_ref_string_release);
self->traceables = gtk_bitset_new_empty ();
self->file_chunks = gtk_bitset_new_empty ();
}
static gboolean
@ -181,6 +184,8 @@ sysprof_document_load (SysprofDocument *self,
if (tainted->type == SYSPROF_CAPTURE_FRAME_SAMPLE ||
tainted->type == SYSPROF_CAPTURE_FRAME_ALLOCATION)
gtk_bitset_add (self->traceables, self->frames->len);
else if (tainted->type == SYSPROF_CAPTURE_FRAME_FILE_CHUNK)
gtk_bitset_add (self->file_chunks, self->frames->len);
pos += frame_len;