diff mbox series

[1/5] trace-cruncher: Define Python type for trace histograms

Message ID 20211207142811.398929-2-y.karadz@gmail.com (mailing list archive)
State Accepted
Headers show
Series trace-cruncher: Kernel histograms | expand

Commit Message

Yordan Karadzhov Dec. 7, 2021, 2:28 p.m. UTC 
The new Python type will be used to implement new APIs for working
with histograms.

Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
---
 src/ftracepy-utils.h |  2 ++
 src/ftracepy.c       | 13 ++++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/src/ftracepy-utils.h b/src/ftracepy-utils.h
index 70e86ff..da31998 100644
--- a/src/ftracepy-utils.h
+++ b/src/ftracepy-utils.h
@@ -28,6 +28,8 @@  struct tracefs_dynevent;
 
 C_OBJECT_WRAPPER_DECLARE(tracefs_dynevent, PyDynevent);
 
+C_OBJECT_WRAPPER_DECLARE(tracefs_hist, PyTraceHist)
+
 PyObject *PyTepRecord_time(PyTepRecord* self);
 
 PyObject *PyTepRecord_cpu(PyTepRecord* self);
diff --git a/src/ftracepy.c b/src/ftracepy.c
index fcc69dd..0f06796 100644
--- a/src/ftracepy.c
+++ b/src/ftracepy.c
@@ -168,6 +168,14 @@  C_OBJECT_WRAPPER(tracefs_dynevent, PyDynevent,
 		 dynevent_destroy,
 		 tracefs_dynevent_free)
 
+static PyMethodDef PyTraceHist_methods[] = {
+	{NULL, NULL, 0, NULL}
+};
+
+C_OBJECT_WRAPPER(tracefs_hist, PyTraceHist,
+		 NO_DESTROY,
+		 tracefs_hist_free)
+
 static PyMethodDef ftracepy_methods[] = {
 	{"dir",
 	 (PyCFunction) PyFtrace_dir,
@@ -387,6 +395,9 @@  PyMODINIT_FUNC PyInit_ftracepy(void)
 	if (!PyDyneventTypeInit())
 		return NULL;
 
+	if (!PyTraceHistTypeInit())
+		return NULL;
+
 	TFS_ERROR = PyErr_NewException("tracecruncher.ftracepy.tfs_error",
 				       NULL, NULL);
 
@@ -403,7 +414,7 @@  PyMODINIT_FUNC PyInit_ftracepy(void)
 	PyModule_AddObject(module, "tep_record", (PyObject *) &PyTepRecordType);
 	PyModule_AddObject(module, "tracefs_instance", (PyObject *) &PyTfsInstanceType);
 	PyModule_AddObject(module, "tracefs_dynevent", (PyObject *) &PyDyneventType);
-
+	PyModule_AddObject(module, "tracefs_hist", (PyObject *) &PyTraceHistType);
 
 	PyModule_AddObject(module, "tfs_error", TFS_ERROR);
 	PyModule_AddObject(module, "tep_error", TEP_ERROR);