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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 13:20:25 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 13:20:25 -0500
commit6556a6743549defc32e5f90ee2cb1ecd833a44c3 (patch)
tree622306583d4a3c13235a8bfc012854c125c597f1 /tools/perf/scripts/python/Perf-Trace-Util/Context.c
parente0d272429a34ff143bfa04ee8e29dd4eed2964c7 (diff)
parent1dd2980d990068e20045b90c424518cc7f3657ff (diff)
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (172 commits) perf_event, amd: Fix spinlock initialization perf_event: Fix preempt warning in perf_clock() perf tools: Flush maps on COMM events perf_events, x86: Split PMU definitions into separate files perf annotate: Handle samples not at objdump output addr boundaries perf_events, x86: Remove superflous MSR writes perf_events: Simplify code by removing cpu argument to hw_perf_group_sched_in() perf_events, x86: AMD event scheduling perf_events: Add new start/stop PMU callbacks perf_events: Report the MMAP pgoff value in bytes perf annotate: Defer allocating sym_priv->hist array perf symbols: Improve debugging information about symtab origins perf top: Use a macro instead of a constant variable perf symbols: Check the right return variable perf/scripts: Tag syscall_name helper as not yet available perf/scripts: Add perf-trace-python Documentation perf/scripts: Remove unnecessary PyTuple resizes perf/scripts: Add syscall tracing scripts perf/scripts: Add Python scripting engine perf/scripts: Remove check-perf-trace from listed scripts ... Fix trivial conflict in tools/perf/util/probe-event.c
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/Context.c')
-rw-r--r--tools/perf/scripts/python/Perf-Trace-Util/Context.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/Context.c b/tools/perf/scripts/python/Perf-Trace-Util/Context.c
new file mode 100644
index 000000000000..957085dd5d8d
--- /dev/null
+++ b/tools/perf/scripts/python/Perf-Trace-Util/Context.c
@@ -0,0 +1,88 @@
1/*
2 * Context.c. Python interfaces for perf trace.
3 *
4 * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22#include <Python.h>
23#include "../../../perf.h"
24#include "../../../util/trace-event.h"
25
26PyMODINIT_FUNC initperf_trace_context(void);
27
28static PyObject *perf_trace_context_common_pc(PyObject *self, PyObject *args)
29{
30 static struct scripting_context *scripting_context;
31 PyObject *context;
32 int retval;
33
34 if (!PyArg_ParseTuple(args, "O", &context))
35 return NULL;
36
37 scripting_context = PyCObject_AsVoidPtr(context);
38 retval = common_pc(scripting_context);
39
40 return Py_BuildValue("i", retval);
41}
42
43static PyObject *perf_trace_context_common_flags(PyObject *self,
44 PyObject *args)
45{
46 static struct scripting_context *scripting_context;
47 PyObject *context;
48 int retval;
49
50 if (!PyArg_ParseTuple(args, "O", &context))
51 return NULL;
52
53 scripting_context = PyCObject_AsVoidPtr(context);
54 retval = common_flags(scripting_context);
55
56 return Py_BuildValue("i", retval);
57}
58
59static PyObject *perf_trace_context_common_lock_depth(PyObject *self,
60 PyObject *args)
61{
62 static struct scripting_context *scripting_context;
63 PyObject *context;
64 int retval;
65
66 if (!PyArg_ParseTuple(args, "O", &context))
67 return NULL;
68
69 scripting_context = PyCObject_AsVoidPtr(context);
70 retval = common_lock_depth(scripting_context);
71
72 return Py_BuildValue("i", retval);
73}
74
75static PyMethodDef ContextMethods[] = {
76 { "common_pc", perf_trace_context_common_pc, METH_VARARGS,
77 "Get the common preempt count event field value."},
78 { "common_flags", perf_trace_context_common_flags, METH_VARARGS,
79 "Get the common flags event field value."},
80 { "common_lock_depth", perf_trace_context_common_lock_depth,
81 METH_VARARGS, "Get the common lock depth event field value."},
82 { NULL, NULL, 0, NULL}
83};
84
85PyMODINIT_FUNC initperf_trace_context(void)
86{
87 (void) Py_InitModule("perf_trace_context", ContextMethods);
88}