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tools: allow showing basic callgraph for memory

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The columns aren't all that useful, but it is to show that augmentation
will work for these things too.
This commit is contained in:
Christian Hergert
2023-06-06 16:45:51 -07:00
parent 663ae8746a
commit f3ab23ed18
1 changed files with 45 additions and 8 deletions
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53
src/tools/callgraph.c
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@ -27,8 +27,10 @@ static GMainLoop *main_loop;
static char *kallsyms_path;
static char *filename;
static double total;
static gboolean memprof;
static const GOptionEntry entries[] = {
{ "kallsyms", 'k', 0, G_OPTION_ARG_FILENAME, &kallsyms_path, "The path to kallsyms to use for decoding", "PATH" },
{ "memprof", 'm', 0, G_OPTION_ARG_NONE, &memprof, "Read memory callgraph instead of samples" },
{ 0 }
};
@ -345,10 +347,10 @@ callgraph_cb (GObject *object,
}
static void
augment_cb (SysprofCallgraph *callgraph,
SysprofCallgraphNode *node,
SysprofDocumentFrame *frame,
gpointer user_data)
augment_sample_cb (SysprofCallgraph *callgraph,
SysprofCallgraphNode *node,
SysprofDocumentFrame *frame,
gpointer user_data)
{
Augment *aug;
@ -367,6 +369,36 @@ augment_cb (SysprofCallgraph *callgraph,
}
}
static void
augment_memprof_cb (SysprofCallgraph *callgraph,
SysprofCallgraphNode *node,
SysprofDocumentFrame *frame,
gpointer user_data)
{
SysprofDocumentAllocation *alloc = (SysprofDocumentAllocation *)frame;
Augment *aug;
gint64 size;
g_assert (SYSPROF_IS_CALLGRAPH (callgraph));
g_assert (node != NULL);
g_assert (SYSPROF_IS_DOCUMENT_ALLOCATION (alloc));
g_assert (user_data == NULL);
size = sysprof_document_allocation_get_size (alloc);
if (sysprof_document_allocation_is_free (alloc))
return;
aug = sysprof_callgraph_get_augment (callgraph, node);
aug->size += size;
for (; node; node = sysprof_callgraph_node_parent (node))
{
aug = sysprof_callgraph_get_augment (callgraph, node);
aug->total += size;
}
}
int
main (int argc,
char *argv[])
@ -375,7 +407,7 @@ main (int argc,
g_autoptr(SysprofDocumentLoader) loader = NULL;
g_autoptr(SysprofDocument) document = NULL;
g_autoptr(SysprofMultiSymbolizer) multi = NULL;
g_autoptr(GListModel) samples = NULL;
g_autoptr(GListModel) model = NULL;
g_autoptr(GError) error = NULL;
gtk_init ();
@ -423,11 +455,16 @@ main (int argc,
g_error ("Failed to load document: %s", error->message);
g_print ("Loaded and symbolized. Generating callgraph...\n");
samples = sysprof_document_list_samples (document);
if (memprof)
model = sysprof_document_list_allocations (document);
else
model = sysprof_document_list_samples (document);
sysprof_document_callgraph_async (document,
samples,
model,
sizeof (Augment),
augment_cb, NULL, NULL,
memprof ? augment_memprof_cb : augment_sample_cb,
NULL,
NULL,
NULL,
callgraph_cb,
main_loop);