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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 10:20:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 10:20:25 -0800
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 00000000000..957085dd5d8
--- /dev/null
+++ b/tools/perf/scripts/python/Perf-Trace-Util/Context.c
@@ -0,0 +1,88 @@
+/*
+ * Context.c. Python interfaces for perf trace.
+ *
+ * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <Python.h>
+#include "../../../perf.h"
+#include "../../../util/trace-event.h"
+
+PyMODINIT_FUNC initperf_trace_context(void);
+
+static PyObject *perf_trace_context_common_pc(PyObject *self, PyObject *args)
+{
+ static struct scripting_context *scripting_context;
+ PyObject *context;
+ int retval;
+
+ if (!PyArg_ParseTuple(args, "O", &context))
+ return NULL;
+
+ scripting_context = PyCObject_AsVoidPtr(context);
+ retval = common_pc(scripting_context);
+
+ return Py_BuildValue("i", retval);
+}
+
+static PyObject *perf_trace_context_common_flags(PyObject *self,
+ PyObject *args)
+{
+ static struct scripting_context *scripting_context;
+ PyObject *context;
+ int retval;
+
+ if (!PyArg_ParseTuple(args, "O", &context))
+ return NULL;
+
+ scripting_context = PyCObject_AsVoidPtr(context);
+ retval = common_flags(scripting_context);
+
+ return Py_BuildValue("i", retval);
+}
+
+static PyObject *perf_trace_context_common_lock_depth(PyObject *self,
+ PyObject *args)
+{
+ static struct scripting_context *scripting_context;
+ PyObject *context;
+ int retval;
+
+ if (!PyArg_ParseTuple(args, "O", &context))
+ return NULL;
+
+ scripting_context = PyCObject_AsVoidPtr(context);
+ retval = common_lock_depth(scripting_context);
+
+ return Py_BuildValue("i", retval);
+}
+
+static PyMethodDef ContextMethods[] = {
+ { "common_pc", perf_trace_context_common_pc, METH_VARARGS,
+ "Get the common preempt count event field value."},
+ { "common_flags", perf_trace_context_common_flags, METH_VARARGS,
+ "Get the common flags event field value."},
+ { "common_lock_depth", perf_trace_context_common_lock_depth,
+ METH_VARARGS, "Get the common lock depth event field value."},
+ { NULL, NULL, 0, NULL}
+};
+
+PyMODINIT_FUNC initperf_trace_context(void)
+{
+ (void) Py_InitModule("perf_trace_context", ContextMethods);
+}