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libsysprof-analyze: add callgraph flags for thread-ids

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This allows you to set a flag to show the thread id of what was recorded.

Use this to help disassociate similar threads in a process to figure out
which thread is consuming a majority of the Total time of that process.
This commit is contained in:
Christian Hergert
2023-06-14 15:11:56 -07:00
parent 54ecdc57cd
commit 5b929b8d5d
20 changed files with 206 additions and 538 deletions
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38
src/libsysprof-analyze/sysprof-document.c
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@ -78,6 +78,7 @@ struct _SysprofDocument
GHashTable *files_first_position;
GHashTable *pid_to_process_info;
GHashTable *tid_to_symbol;
SysprofMountNamespace *mount_namespace;
@ -269,6 +270,7 @@ sysprof_document_init (SysprofDocument *self)
self->files_first_position = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
self->pid_to_process_info = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)sysprof_process_info_unref);
self->tid_to_symbol = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_object_unref);
self->mount_namespace = sysprof_mount_namespace_new ();
}
@ -1190,6 +1192,7 @@ sysprof_document_callgraph_cb (GObject *object,
/**
* sysprof_document_callgraph_async:
* @self: a #SysprofDocument
* @flags: flags for generating the callgraph
* @traceables: a list model of traceables for the callgraph
* @augment_size: the size of data to reserve for augmentation in
* the callgraph.
@ -1212,6 +1215,7 @@ sysprof_document_callgraph_cb (GObject *object,
*/
void
sysprof_document_callgraph_async (SysprofDocument *self,
SysprofCallgraphFlags flags,
GListModel *traceables,
gsize augment_size,
SysprofAugmentationFunc augment_func,
@ -1231,6 +1235,7 @@ sysprof_document_callgraph_async (SysprofDocument *self,
g_task_set_source_tag (task, sysprof_document_callgraph_async);
_sysprof_callgraph_new_async (self,
flags,
traceables,
augment_size,
augment_func,
@ -1282,6 +1287,39 @@ _sysprof_document_process_symbol (SysprofDocument *self,
return info->fallback_symbol;
}
SysprofSymbol *
_sysprof_document_thread_symbol (SysprofDocument *self,
int pid,
int tid)
{
SysprofSymbol *ret;
g_return_val_if_fail (SYSPROF_IS_DOCUMENT (self), NULL);
if (!(ret = g_hash_table_lookup (self->tid_to_symbol, GINT_TO_POINTER (tid))))
{
char pidstr[32];
char tidstr[32];
g_snprintf (pidstr, sizeof pidstr, "(%d)", pid);
if (tid == pid)
g_snprintf (tidstr, sizeof tidstr, "Thread-%d (Main)", tid);
else
g_snprintf (tidstr, sizeof tidstr, "Thread-%d", tid);
ret = _sysprof_symbol_new (g_ref_string_new (tidstr),
NULL,
g_ref_string_new (pidstr),
0, 0,
SYSPROF_SYMBOL_KIND_THREAD);
g_hash_table_insert (self->tid_to_symbol, GINT_TO_POINTER (tid), ret);
}
return ret;
}
SysprofSymbol *
_sysprof_document_kernel_symbol (SysprofDocument *self)
{