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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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44
src/libsysprof-analyze/sysprof-document-sample.c
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@ -38,7 +38,7 @@ struct _SysprofDocumentSampleClass
enum {
PROP_0,
PROP_STACK_DEPTH,
PROP_TID,
PROP_THREAD_ID,
N_PROPS
};
@ -73,12 +73,26 @@ sysprof_document_sample_get_stack_addresses (SysprofDocumentTraceable *traceable
return depth;
}
static int
sysprof_document_sample_get_thread_id (SysprofDocumentTraceable *traceable)
{
SysprofDocumentSample *self = (SysprofDocumentSample *)traceable;
const SysprofCaptureSample *sample;
g_return_val_if_fail (SYSPROF_IS_DOCUMENT_SAMPLE (self), -1);
sample = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureSample);
return SYSPROF_DOCUMENT_FRAME_INT32 (self, sample->tid);
}
static void
traceable_iface_init (SysprofDocumentTraceableInterface *iface)
{
iface->get_stack_depth = sysprof_document_sample_get_stack_depth;
iface->get_stack_address = sysprof_document_sample_get_stack_address;
iface->get_stack_addresses = sysprof_document_sample_get_stack_addresses;
iface->get_thread_id = sysprof_document_sample_get_thread_id;
}
G_DEFINE_FINAL_TYPE_WITH_CODE (SysprofDocumentSample, sysprof_document_sample, SYSPROF_TYPE_DOCUMENT_FRAME,
@ -100,8 +114,8 @@ sysprof_document_sample_get_property (GObject *object,
g_value_set_uint (value, sysprof_document_traceable_get_stack_depth (SYSPROF_DOCUMENT_TRACEABLE (self)));
break;
case PROP_TID:
g_value_set_int (value, sysprof_document_sample_get_tid (self));
case PROP_THREAD_ID:
g_value_set_int (value, sysprof_document_sample_get_thread_id (SYSPROF_DOCUMENT_TRACEABLE (self)));
break;
default:
@ -117,17 +131,17 @@ sysprof_document_sample_class_init (SysprofDocumentSampleClass *klass)
object_class->get_property = sysprof_document_sample_get_property;
/**
* SysprofDocumentSample:tid:
* SysprofDocumentSample:thread-id:
*
* The task-id or thread-id of the thread which was sampled.
* The thread-id where the sample occurred.
*
* On Linux, this is generally set to the value of the gettid() syscall.
* On Linux, this is generally set to the value of gettid().
*
* Since: 45
*/
properties [PROP_TID] =
g_param_spec_int ("tid", NULL, NULL,
G_MININT32, G_MAXINT32, 0,
properties [PROP_THREAD_ID] =
g_param_spec_int ("thread-id", NULL, NULL,
-1, G_MAXINT32, 0,
(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
/**
@ -149,15 +163,3 @@ static void
sysprof_document_sample_init (SysprofDocumentSample *self)
{
}
int
sysprof_document_sample_get_tid (SysprofDocumentSample *self)
{
const SysprofCaptureSample *sample;
g_return_val_if_fail (SYSPROF_IS_DOCUMENT_SAMPLE (self), 0);
sample = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureSample);
return SYSPROF_DOCUMENT_FRAME_INT32 (self, sample->tid);
}