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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /tools/perf/scripts/python/Perf-Trace-Util
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util')
-rw-r--r--tools/perf/scripts/python/Perf-Trace-Util/Build3
-rw-r--r--tools/perf/scripts/python/Perf-Trace-Util/Context.c225
-rw-r--r--tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Core.py116
-rwxr-xr-xtools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py97
-rw-r--r--tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py184
-rw-r--r--tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py91
6 files changed, 716 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/Build b/tools/perf/scripts/python/Perf-Trace-Util/Build
new file mode 100644
index 000000000..7d0e33ce6
--- /dev/null
+++ b/tools/perf/scripts/python/Perf-Trace-Util/Build
@@ -0,0 +1,3 @@
+perf-y += Context.o
+
+CFLAGS_Context.o += $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs
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 000000000..895f5fc23
--- /dev/null
+++ b/tools/perf/scripts/python/Perf-Trace-Util/Context.c
@@ -0,0 +1,225 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Context.c. Python interfaces for perf script.
+ *
+ * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com>
+ */
+
+/*
+ * Use Py_ssize_t for '#' formats to avoid DeprecationWarning: PY_SSIZE_T_CLEAN
+ * will be required for '#' formats.
+ */
+#define PY_SSIZE_T_CLEAN
+
+#include <Python.h>
+#include "../../../util/trace-event.h"
+#include "../../../util/event.h"
+#include "../../../util/symbol.h"
+#include "../../../util/thread.h"
+#include "../../../util/map.h"
+#include "../../../util/maps.h"
+#include "../../../util/auxtrace.h"
+#include "../../../util/session.h"
+#include "../../../util/srcline.h"
+#include "../../../util/srccode.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
+#define _PyCapsule_GetPointer(arg1, arg2) \
+ 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_args(PyObject *args, const char *name, PyObject **arg2)
+{
+ int cnt = 1 + !!arg2;
+ PyObject *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);
+
+ if (!c)
+ return NULL;
+
+ return Py_BuildValue("i", common_pc(c));
+}
+
+static PyObject *perf_trace_context_common_flags(PyObject *obj,
+ PyObject *args)
+{
+ struct scripting_context *c = get_scripting_context(args);
+
+ if (!c)
+ return NULL;
+
+ return Py_BuildValue("i", common_flags(c));
+}
+
+static PyObject *perf_trace_context_common_lock_depth(PyObject *obj,
+ PyObject *args)
+{
+ struct scripting_context *c = get_scripting_context(args);
+
+ if (!c)
+ return NULL;
+
+ return Py_BuildValue("i", common_lock_depth(c));
+}
+
+static PyObject *perf_sample_insn(PyObject *obj, PyObject *args)
+{
+ struct scripting_context *c = get_scripting_context(args);
+
+ if (!c)
+ return NULL;
+
+ if (c->sample->ip && !c->sample->insn_len &&
+ c->al->thread->maps && c->al->thread->maps->machine)
+ script_fetch_insn(c->sample, c->al->thread, c->al->thread->maps->machine);
+
+ if (!c->sample->insn_len)
+ Py_RETURN_NONE; /* N.B. This is a return statement */
+
+ 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 PyObject *perf_sample_src(PyObject *obj, PyObject *args, bool get_srccode)
+{
+ struct scripting_context *c = get_scripting_context(args);
+ unsigned int line = 0;
+ char *srcfile = NULL;
+ char *srccode = NULL;
+ PyObject *result;
+ struct map *map;
+ int len = 0;
+ u64 addr;
+
+ if (!c)
+ return NULL;
+
+ map = c->al->map;
+ addr = c->al->addr;
+
+ if (map && map->dso)
+ srcfile = get_srcline_split(map->dso, map__rip_2objdump(map, addr), &line);
+
+ if (get_srccode) {
+ if (srcfile)
+ srccode = find_sourceline(srcfile, line, &len);
+ result = Py_BuildValue("(sIs#)", srcfile, line, srccode, (Py_ssize_t)len);
+ } else {
+ result = Py_BuildValue("(sI)", srcfile, line);
+ }
+
+ free(srcfile);
+
+ return result;
+}
+
+static PyObject *perf_sample_srcline(PyObject *obj, PyObject *args)
+{
+ return perf_sample_src(obj, args, false);
+}
+
+static PyObject *perf_sample_srccode(PyObject *obj, PyObject *args)
+{
+ return perf_sample_src(obj, args, true);
+}
+
+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."},
+ { "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."},
+ { "perf_sample_srcline", perf_sample_srcline,
+ METH_VARARGS, "Get source file name and line number."},
+ { "perf_sample_srccode", perf_sample_srccode,
+ METH_VARARGS, "Get source file name, line number and line."},
+ { NULL, NULL, 0, NULL}
+};
+
+#if PY_MAJOR_VERSION < 3
+PyMODINIT_FUNC initperf_trace_context(void)
+{
+ (void) Py_InitModule("perf_trace_context", ContextMethods);
+}
+#else
+PyMODINIT_FUNC PyInit_perf_trace_context(void)
+{
+ static struct PyModuleDef moduledef = {
+ PyModuleDef_HEAD_INIT,
+ "perf_trace_context", /* m_name */
+ "", /* m_doc */
+ -1, /* m_size */
+ ContextMethods, /* m_methods */
+ NULL, /* m_reload */
+ NULL, /* m_traverse */
+ NULL, /* m_clear */
+ NULL, /* m_free */
+ };
+ PyObject *mod;
+
+ mod = PyModule_Create(&moduledef);
+ /* Add perf_script_context to the module so it can be imported */
+ PyObject_SetAttrString(mod, "perf_script_context", Py_None);
+
+ return mod;
+}
+#endif
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Core.py b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Core.py
new file mode 100644
index 000000000..54ace2f6b
--- /dev/null
+++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Core.py
@@ -0,0 +1,116 @@
+# Core.py - Python extension for perf script, core functions
+#
+# Copyright (C) 2010 by Tom Zanussi <tzanussi@gmail.com>
+#
+# This software may be distributed under the terms of the GNU General
+# Public License ("GPL") version 2 as published by the Free Software
+# Foundation.
+
+from collections import defaultdict
+
+def autodict():
+ return defaultdict(autodict)
+
+flag_fields = autodict()
+symbolic_fields = autodict()
+
+def define_flag_field(event_name, field_name, delim):
+ flag_fields[event_name][field_name]['delim'] = delim
+
+def define_flag_value(event_name, field_name, value, field_str):
+ flag_fields[event_name][field_name]['values'][value] = field_str
+
+def define_symbolic_field(event_name, field_name):
+ # nothing to do, really
+ pass
+
+def define_symbolic_value(event_name, field_name, value, field_str):
+ symbolic_fields[event_name][field_name]['values'][value] = field_str
+
+def flag_str(event_name, field_name, value):
+ string = ""
+
+ if flag_fields[event_name][field_name]:
+ print_delim = 0
+ for idx in sorted(flag_fields[event_name][field_name]['values']):
+ if not value and not idx:
+ string += flag_fields[event_name][field_name]['values'][idx]
+ break
+ if idx and (value & idx) == idx:
+ if print_delim and flag_fields[event_name][field_name]['delim']:
+ string += " " + flag_fields[event_name][field_name]['delim'] + " "
+ string += flag_fields[event_name][field_name]['values'][idx]
+ print_delim = 1
+ value &= ~idx
+
+ return string
+
+def symbol_str(event_name, field_name, value):
+ string = ""
+
+ if symbolic_fields[event_name][field_name]:
+ for idx in sorted(symbolic_fields[event_name][field_name]['values']):
+ if not value and not idx:
+ string = symbolic_fields[event_name][field_name]['values'][idx]
+ break
+ if (value == idx):
+ string = symbolic_fields[event_name][field_name]['values'][idx]
+ break
+
+ return string
+
+trace_flags = { 0x00: "NONE", \
+ 0x01: "IRQS_OFF", \
+ 0x02: "IRQS_NOSUPPORT", \
+ 0x04: "NEED_RESCHED", \
+ 0x08: "HARDIRQ", \
+ 0x10: "SOFTIRQ" }
+
+def trace_flag_str(value):
+ string = ""
+ print_delim = 0
+
+ for idx in trace_flags:
+ if not value and not idx:
+ string += "NONE"
+ break
+
+ if idx and (value & idx) == idx:
+ if print_delim:
+ string += " | ";
+ string += trace_flags[idx]
+ print_delim = 1
+ value &= ~idx
+
+ return string
+
+
+def taskState(state):
+ states = {
+ 0 : "R",
+ 1 : "S",
+ 2 : "D",
+ 64: "DEAD"
+ }
+
+ if state not in states:
+ return "Unknown"
+
+ return states[state]
+
+
+class EventHeaders:
+ def __init__(self, common_cpu, common_secs, common_nsecs,
+ common_pid, common_comm, common_callchain):
+ self.cpu = common_cpu
+ self.secs = common_secs
+ self.nsecs = common_nsecs
+ self.pid = common_pid
+ self.comm = common_comm
+ self.callchain = common_callchain
+
+ def ts(self):
+ return (self.secs * (10 ** 9)) + self.nsecs
+
+ def ts_format(self):
+ return "%d.%d" % (self.secs, int(self.nsecs / 1000))
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py
new file mode 100755
index 000000000..21a7a1298
--- /dev/null
+++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py
@@ -0,0 +1,97 @@
+# EventClass.py
+# SPDX-License-Identifier: GPL-2.0
+#
+# This is a library defining some events types classes, which could
+# be used by other scripts to analyzing the perf samples.
+#
+# Currently there are just a few classes defined for examples,
+# PerfEvent is the base class for all perf event sample, PebsEvent
+# is a HW base Intel x86 PEBS event, and user could add more SW/HW
+# event classes based on requirements.
+from __future__ import print_function
+
+import struct
+
+# Event types, user could add more here
+EVTYPE_GENERIC = 0
+EVTYPE_PEBS = 1 # Basic PEBS event
+EVTYPE_PEBS_LL = 2 # PEBS event with load latency info
+EVTYPE_IBS = 3
+
+#
+# Currently we don't have good way to tell the event type, but by
+# the size of raw buffer, raw PEBS event with load latency data's
+# size is 176 bytes, while the pure PEBS event's size is 144 bytes.
+#
+def create_event(name, comm, dso, symbol, raw_buf):
+ if (len(raw_buf) == 144):
+ event = PebsEvent(name, comm, dso, symbol, raw_buf)
+ elif (len(raw_buf) == 176):
+ event = PebsNHM(name, comm, dso, symbol, raw_buf)
+ else:
+ event = PerfEvent(name, comm, dso, symbol, raw_buf)
+
+ return event
+
+class PerfEvent(object):
+ event_num = 0
+ def __init__(self, name, comm, dso, symbol, raw_buf, ev_type=EVTYPE_GENERIC):
+ self.name = name
+ self.comm = comm
+ self.dso = dso
+ self.symbol = symbol
+ self.raw_buf = raw_buf
+ self.ev_type = ev_type
+ PerfEvent.event_num += 1
+
+ def show(self):
+ print("PMU event: name=%12s, symbol=%24s, comm=%8s, dso=%12s" %
+ (self.name, self.symbol, self.comm, self.dso))
+
+#
+# Basic Intel PEBS (Precise Event-based Sampling) event, whose raw buffer
+# contains the context info when that event happened: the EFLAGS and
+# linear IP info, as well as all the registers.
+#
+class PebsEvent(PerfEvent):
+ pebs_num = 0
+ def __init__(self, name, comm, dso, symbol, raw_buf, ev_type=EVTYPE_PEBS):
+ tmp_buf=raw_buf[0:80]
+ flags, ip, ax, bx, cx, dx, si, di, bp, sp = struct.unpack('QQQQQQQQQQ', tmp_buf)
+ self.flags = flags
+ self.ip = ip
+ self.ax = ax
+ self.bx = bx
+ self.cx = cx
+ self.dx = dx
+ self.si = si
+ self.di = di
+ self.bp = bp
+ self.sp = sp
+
+ PerfEvent.__init__(self, name, comm, dso, symbol, raw_buf, ev_type)
+ PebsEvent.pebs_num += 1
+ del tmp_buf
+
+#
+# Intel Nehalem and Westmere support PEBS plus Load Latency info which lie
+# in the four 64 bit words write after the PEBS data:
+# Status: records the IA32_PERF_GLOBAL_STATUS register value
+# DLA: Data Linear Address (EIP)
+# DSE: Data Source Encoding, where the latency happens, hit or miss
+# in L1/L2/L3 or IO operations
+# LAT: the actual latency in cycles
+#
+class PebsNHM(PebsEvent):
+ pebs_nhm_num = 0
+ def __init__(self, name, comm, dso, symbol, raw_buf, ev_type=EVTYPE_PEBS_LL):
+ tmp_buf=raw_buf[144:176]
+ status, dla, dse, lat = struct.unpack('QQQQ', tmp_buf)
+ self.status = status
+ self.dla = dla
+ self.dse = dse
+ self.lat = lat
+
+ PebsEvent.__init__(self, name, comm, dso, symbol, raw_buf, ev_type)
+ PebsNHM.pebs_nhm_num += 1
+ del tmp_buf
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py
new file mode 100644
index 000000000..cac7b2542
--- /dev/null
+++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py
@@ -0,0 +1,184 @@
+# SchedGui.py - Python extension for perf script, basic GUI code for
+# traces drawing and overview.
+#
+# Copyright (C) 2010 by Frederic Weisbecker <fweisbec@gmail.com>
+#
+# This software is distributed under the terms of the GNU General
+# Public License ("GPL") version 2 as published by the Free Software
+# Foundation.
+
+
+try:
+ import wx
+except ImportError:
+ raise ImportError("You need to install the wxpython lib for this script")
+
+
+class RootFrame(wx.Frame):
+ Y_OFFSET = 100
+ RECT_HEIGHT = 100
+ RECT_SPACE = 50
+ EVENT_MARKING_WIDTH = 5
+
+ def __init__(self, sched_tracer, title, parent = None, id = -1):
+ wx.Frame.__init__(self, parent, id, title)
+
+ (self.screen_width, self.screen_height) = wx.GetDisplaySize()
+ self.screen_width -= 10
+ self.screen_height -= 10
+ self.zoom = 0.5
+ self.scroll_scale = 20
+ self.sched_tracer = sched_tracer
+ self.sched_tracer.set_root_win(self)
+ (self.ts_start, self.ts_end) = sched_tracer.interval()
+ self.update_width_virtual()
+ self.nr_rects = sched_tracer.nr_rectangles() + 1
+ self.height_virtual = RootFrame.Y_OFFSET + (self.nr_rects * (RootFrame.RECT_HEIGHT + RootFrame.RECT_SPACE))
+
+ # whole window panel
+ self.panel = wx.Panel(self, size=(self.screen_width, self.screen_height))
+
+ # scrollable container
+ self.scroll = wx.ScrolledWindow(self.panel)
+ self.scroll.SetScrollbars(self.scroll_scale, self.scroll_scale, self.width_virtual / self.scroll_scale, self.height_virtual / self.scroll_scale)
+ self.scroll.EnableScrolling(True, True)
+ self.scroll.SetFocus()
+
+ # scrollable drawing area
+ self.scroll_panel = wx.Panel(self.scroll, size=(self.screen_width - 15, self.screen_height / 2))
+ self.scroll_panel.Bind(wx.EVT_PAINT, self.on_paint)
+ self.scroll_panel.Bind(wx.EVT_KEY_DOWN, self.on_key_press)
+ self.scroll_panel.Bind(wx.EVT_LEFT_DOWN, self.on_mouse_down)
+ self.scroll.Bind(wx.EVT_PAINT, self.on_paint)
+ self.scroll.Bind(wx.EVT_KEY_DOWN, self.on_key_press)
+ self.scroll.Bind(wx.EVT_LEFT_DOWN, self.on_mouse_down)
+
+ self.scroll.Fit()
+ self.Fit()
+
+ self.scroll_panel.SetDimensions(-1, -1, self.width_virtual, self.height_virtual, wx.SIZE_USE_EXISTING)
+
+ self.txt = None
+
+ self.Show(True)
+
+ def us_to_px(self, val):
+ return val / (10 ** 3) * self.zoom
+
+ def px_to_us(self, val):
+ return (val / self.zoom) * (10 ** 3)
+
+ def scroll_start(self):
+ (x, y) = self.scroll.GetViewStart()
+ return (x * self.scroll_scale, y * self.scroll_scale)
+
+ def scroll_start_us(self):
+ (x, y) = self.scroll_start()
+ return self.px_to_us(x)
+
+ def paint_rectangle_zone(self, nr, color, top_color, start, end):
+ offset_px = self.us_to_px(start - self.ts_start)
+ width_px = self.us_to_px(end - self.ts_start)
+
+ offset_py = RootFrame.Y_OFFSET + (nr * (RootFrame.RECT_HEIGHT + RootFrame.RECT_SPACE))
+ width_py = RootFrame.RECT_HEIGHT
+
+ dc = self.dc
+
+ if top_color is not None:
+ (r, g, b) = top_color
+ top_color = wx.Colour(r, g, b)
+ brush = wx.Brush(top_color, wx.SOLID)
+ dc.SetBrush(brush)
+ dc.DrawRectangle(offset_px, offset_py, width_px, RootFrame.EVENT_MARKING_WIDTH)
+ width_py -= RootFrame.EVENT_MARKING_WIDTH
+ offset_py += RootFrame.EVENT_MARKING_WIDTH
+
+ (r ,g, b) = color
+ color = wx.Colour(r, g, b)
+ brush = wx.Brush(color, wx.SOLID)
+ dc.SetBrush(brush)
+ dc.DrawRectangle(offset_px, offset_py, width_px, width_py)
+
+ def update_rectangles(self, dc, start, end):
+ start += self.ts_start
+ end += self.ts_start
+ self.sched_tracer.fill_zone(start, end)
+
+ def on_paint(self, event):
+ dc = wx.PaintDC(self.scroll_panel)
+ self.dc = dc
+
+ width = min(self.width_virtual, self.screen_width)
+ (x, y) = self.scroll_start()
+ start = self.px_to_us(x)
+ end = self.px_to_us(x + width)
+ self.update_rectangles(dc, start, end)
+
+ def rect_from_ypixel(self, y):
+ y -= RootFrame.Y_OFFSET
+ rect = y / (RootFrame.RECT_HEIGHT + RootFrame.RECT_SPACE)
+ height = y % (RootFrame.RECT_HEIGHT + RootFrame.RECT_SPACE)
+
+ if rect < 0 or rect > self.nr_rects - 1 or height > RootFrame.RECT_HEIGHT:
+ return -1
+
+ return rect
+
+ def update_summary(self, txt):
+ if self.txt:
+ self.txt.Destroy()
+ self.txt = wx.StaticText(self.panel, -1, txt, (0, (self.screen_height / 2) + 50))
+
+
+ def on_mouse_down(self, event):
+ (x, y) = event.GetPositionTuple()
+ rect = self.rect_from_ypixel(y)
+ if rect == -1:
+ return
+
+ t = self.px_to_us(x) + self.ts_start
+
+ self.sched_tracer.mouse_down(rect, t)
+
+
+ def update_width_virtual(self):
+ self.width_virtual = self.us_to_px(self.ts_end - self.ts_start)
+
+ def __zoom(self, x):
+ self.update_width_virtual()
+ (xpos, ypos) = self.scroll.GetViewStart()
+ xpos = self.us_to_px(x) / self.scroll_scale
+ self.scroll.SetScrollbars(self.scroll_scale, self.scroll_scale, self.width_virtual / self.scroll_scale, self.height_virtual / self.scroll_scale, xpos, ypos)
+ self.Refresh()
+
+ def zoom_in(self):
+ x = self.scroll_start_us()
+ self.zoom *= 2
+ self.__zoom(x)
+
+ def zoom_out(self):
+ x = self.scroll_start_us()
+ self.zoom /= 2
+ self.__zoom(x)
+
+
+ def on_key_press(self, event):
+ key = event.GetRawKeyCode()
+ if key == ord("+"):
+ self.zoom_in()
+ return
+ if key == ord("-"):
+ self.zoom_out()
+ return
+
+ key = event.GetKeyCode()
+ (x, y) = self.scroll.GetViewStart()
+ if key == wx.WXK_RIGHT:
+ self.scroll.Scroll(x + 1, y)
+ elif key == wx.WXK_LEFT:
+ self.scroll.Scroll(x - 1, y)
+ elif key == wx.WXK_DOWN:
+ self.scroll.Scroll(x, y + 1)
+ elif key == wx.WXK_UP:
+ self.scroll.Scroll(x, y - 1)
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
new file mode 100644
index 000000000..7384dcb62
--- /dev/null
+++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
@@ -0,0 +1,91 @@
+# Util.py - Python extension for perf script, miscellaneous utility code
+#
+# Copyright (C) 2010 by Tom Zanussi <tzanussi@gmail.com>
+#
+# This software may be distributed under the terms of the GNU General
+# Public License ("GPL") version 2 as published by the Free Software
+# Foundation.
+from __future__ import print_function
+
+import errno, os
+
+FUTEX_WAIT = 0
+FUTEX_WAKE = 1
+FUTEX_PRIVATE_FLAG = 128
+FUTEX_CLOCK_REALTIME = 256
+FUTEX_CMD_MASK = ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
+
+NSECS_PER_SEC = 1000000000
+
+def avg(total, n):
+ return total / n
+
+def nsecs(secs, nsecs):
+ return secs * NSECS_PER_SEC + nsecs
+
+def nsecs_secs(nsecs):
+ return nsecs / NSECS_PER_SEC
+
+def nsecs_nsecs(nsecs):
+ return nsecs % NSECS_PER_SEC
+
+def nsecs_str(nsecs):
+ str = "%5u.%09u" % (nsecs_secs(nsecs), nsecs_nsecs(nsecs)),
+ return str
+
+def add_stats(dict, key, value):
+ if key not in dict:
+ dict[key] = (value, value, value, 1)
+ else:
+ min, max, avg, count = dict[key]
+ if value < min:
+ min = value
+ if value > max:
+ max = value
+ avg = (avg + value) / 2
+ dict[key] = (min, max, avg, count + 1)
+
+def clear_term():
+ print("\x1b[H\x1b[2J")
+
+audit_package_warned = False
+
+try:
+ import audit
+ machine_to_id = {
+ 'x86_64': audit.MACH_86_64,
+ 'alpha' : audit.MACH_ALPHA,
+ 'ia64' : audit.MACH_IA64,
+ 'ppc' : audit.MACH_PPC,
+ 'ppc64' : audit.MACH_PPC64,
+ 'ppc64le' : audit.MACH_PPC64LE,
+ 's390' : audit.MACH_S390,
+ 's390x' : audit.MACH_S390X,
+ 'i386' : audit.MACH_X86,
+ 'i586' : audit.MACH_X86,
+ 'i686' : audit.MACH_X86,
+ }
+ try:
+ machine_to_id['armeb'] = audit.MACH_ARMEB
+ except:
+ pass
+ machine_id = machine_to_id[os.uname()[4]]
+except:
+ if not audit_package_warned:
+ audit_package_warned = True
+ print("Install the audit-libs-python package to get syscall names.\n"
+ "For example:\n # apt-get install python-audit (Ubuntu)"
+ "\n # yum install audit-libs-python (Fedora)"
+ "\n etc.\n")
+
+def syscall_name(id):
+ try:
+ return audit.audit_syscall_to_name(id, machine_id)
+ except:
+ return str(id)
+
+def strerror(nr):
+ try:
+ return errno.errorcode[abs(nr)]
+ except:
+ return "Unknown %d errno" % nr