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libsysprof: decode allocation frames into symbol map

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This ensures that we have proper symbols when opening a file with
allcoation frames.
This commit is contained in:
Christian Hergert
2020-02-11 18:40:29 -08:00
parent c39cf46776
commit 3f07cf2748
1 changed files with 61 additions and 3 deletions
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64
src/libsysprof/sysprof-symbol-map.c
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@ -233,9 +233,62 @@ sysprof_symbol_map_add_resolver (SysprofSymbolMap *self,
}
static void
sysprof_symbol_map_do_sample (SysprofSymbolMap *self,
SysprofCaptureReader *reader,
GHashTable *seen)
sysprof_symbol_map_do_alloc (SysprofSymbolMap *self,
SysprofCaptureReader *reader,
GHashTable *seen)
{
const SysprofCaptureAllocation *ev;
g_assert (self != NULL);
g_assert (reader != NULL);
g_assert (seen != NULL);
if (!(ev = sysprof_capture_reader_read_allocation (reader)))
return;
for (guint i = 0; i < ev->n_addrs; i++)
{
SysprofCaptureAddress addr = ev->addrs[i];
for (guint j = 0; j < self->resolvers->len; j++)
{
SysprofSymbolResolver *resolver = g_ptr_array_index (self->resolvers, j);
g_autofree gchar *name = NULL;
const gchar *cname;
Element ele;
GQuark tag = 0;
name = sysprof_symbol_resolver_resolve_with_context (resolver,
ev->frame.time,
ev->frame.pid,
SYSPROF_ADDRESS_CONTEXT_USER,
addr,
&tag);
if (name == NULL)
continue;
cname = g_string_chunk_insert_const (self->chunk, name);
ele.addr = addr;
ele.pid = ev->frame.pid;
ele.name = cname;
ele.tag = tag;
if (!g_hash_table_contains (seen, &ele))
{
Element *cpy = g_slice_dup (Element, &ele);
g_hash_table_add (seen, cpy);
g_ptr_array_add (self->samples, cpy);
}
}
}
}
static void
sysprof_symbol_map_do_sample (SysprofSymbolMap *self,
SysprofCaptureReader *reader,
GHashTable *seen)
{
SysprofAddressContext last_context = SYSPROF_ADDRESS_CONTEXT_NONE;
const SysprofCaptureSample *sample;
@ -323,6 +376,11 @@ sysprof_symbol_map_resolve (SysprofSymbolMap *self,
sysprof_symbol_map_do_sample (self, reader, seen);
continue;
}
else if (type == SYSPROF_CAPTURE_FRAME_ALLOCATION)
{
sysprof_symbol_map_do_alloc (self, reader, seen);
continue;
}
if (!sysprof_capture_reader_skip (reader))
break;