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authorAdrian Hunter <adrian.hunter@intel.com>2021-05-30 22:23:04 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-06-01 10:04:24 -0300
commit7d00540d7deb6802cde23b132b0c50347f27cc90 (patch)
tree5f2dcb3181daa1c15bb2bdb3b0b040c3cbf30dac /tools/perf/scripts/python/Perf-Trace-Util
parentperf auxtrace: Factor out itrace_do_parse_synth_opts() (diff)
downloadlinux-dev-7d00540d7deb6802cde23b132b0c50347f27cc90.tar.xz
linux-dev-7d00540d7deb6802cde23b132b0c50347f27cc90.zip
perf scripting python: Add perf_set_itrace_options()
Add perf_set_itrace_options() to the perf_trace_context module so that a script can set the itrace options for a session if they have not been set already. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: https://lore.kernel.org/r/20210530192308.7382-10-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util')
-rw-r--r--tools/perf/scripts/python/Perf-Trace-Util/Context.c44
1 files changed, 42 insertions, 2 deletions
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/Context.c b/tools/perf/scripts/python/Perf-Trace-Util/Context.c
index d7f044259f9b..3c9bc12a1332 100644
--- a/tools/perf/scripts/python/Perf-Trace-Util/Context.c
+++ b/tools/perf/scripts/python/Perf-Trace-Util/Context.c
@@ -11,12 +11,16 @@
#include "../../../util/symbol.h"
#include "../../../util/thread.h"
#include "../../../util/maps.h"
+#include "../../../util/auxtrace.h"
+#include "../../../util/session.h"
#if PY_MAJOR_VERSION < 3
#define _PyCapsule_GetPointer(arg1, arg2) \
PyCObject_AsVoidPtr(arg1)
#define _PyBytes_FromStringAndSize(arg1, arg2) \
PyString_FromStringAndSize((arg1), (arg2))
+#define _PyUnicode_AsUTF8(arg) \
+ PyString_AsString(arg)
PyMODINIT_FUNC initperf_trace_context(void);
#else
@@ -24,20 +28,28 @@ PyMODINIT_FUNC initperf_trace_context(void);
PyCapsule_GetPointer((arg1), (arg2))
#define _PyBytes_FromStringAndSize(arg1, arg2) \
PyBytes_FromStringAndSize((arg1), (arg2))
+#define _PyUnicode_AsUTF8(arg) \
+ PyUnicode_AsUTF8(arg)
PyMODINIT_FUNC PyInit_perf_trace_context(void);
#endif
-static struct scripting_context *get_scripting_context(PyObject *args)
+static struct scripting_context *get_args(PyObject *args, const char *name, PyObject **arg2)
{
+ int cnt = 1 + !!arg2;
PyObject *context;
- if (!PyArg_ParseTuple(args, "O", &context))
+ if (!PyArg_UnpackTuple(args, name, 1, cnt, &context, arg2))
return NULL;
return _PyCapsule_GetPointer(context, NULL);
}
+static struct scripting_context *get_scripting_context(PyObject *args)
+{
+ return get_args(args, "context", NULL);
+}
+
static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args)
{
struct scripting_context *c = get_scripting_context(args);
@@ -87,6 +99,32 @@ static PyObject *perf_sample_insn(PyObject *obj, PyObject *args)
return _PyBytes_FromStringAndSize(c->sample->insn, c->sample->insn_len);
}
+static PyObject *perf_set_itrace_options(PyObject *obj, PyObject *args)
+{
+ struct scripting_context *c;
+ const char *itrace_options;
+ int retval = -1;
+ PyObject *str;
+
+ c = get_args(args, "itrace_options", &str);
+ if (!c)
+ return NULL;
+
+ if (!c->session || !c->session->itrace_synth_opts)
+ goto out;
+
+ if (c->session->itrace_synth_opts->set) {
+ retval = 1;
+ goto out;
+ }
+
+ itrace_options = _PyUnicode_AsUTF8(str);
+
+ retval = itrace_do_parse_synth_opts(c->session->itrace_synth_opts, itrace_options, 0);
+out:
+ 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."},
@@ -96,6 +134,8 @@ static PyMethodDef ContextMethods[] = {
METH_VARARGS, "Get the common lock depth event field value."},
{ "perf_sample_insn", perf_sample_insn,
METH_VARARGS, "Get the machine code instruction."},
+ { "perf_set_itrace_options", perf_set_itrace_options,
+ METH_VARARGS, "Set --itrace options."},
{ NULL, NULL, 0, NULL}
};