diff options
Diffstat (limited to 'tools/perf/scripts/python')
-rw-r--r-- | tools/perf/scripts/python/Perf-Trace-Util/Context.c | 34 | ||||
-rw-r--r-- | tools/perf/scripts/python/bin/mem-phys-addr-record | 19 | ||||
-rw-r--r-- | tools/perf/scripts/python/bin/mem-phys-addr-report | 3 | ||||
-rw-r--r-- | tools/perf/scripts/python/mem-phys-addr.py | 95 |
4 files changed, 148 insertions, 3 deletions
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/Context.c b/tools/perf/scripts/python/Perf-Trace-Util/Context.c index fcd1dd667906..1a0d27757eec 100644 --- a/tools/perf/scripts/python/Perf-Trace-Util/Context.c +++ b/tools/perf/scripts/python/Perf-Trace-Util/Context.c @@ -23,7 +23,17 @@ #include "../../../perf.h" #include "../../../util/trace-event.h" +#if PY_MAJOR_VERSION < 3 +#define _PyCapsule_GetPointer(arg1, arg2) \ + PyCObject_AsVoidPtr(arg1) + PyMODINIT_FUNC initperf_trace_context(void); +#else +#define _PyCapsule_GetPointer(arg1, arg2) \ + PyCapsule_GetPointer((arg1), (arg2)) + +PyMODINIT_FUNC PyInit_perf_trace_context(void); +#endif static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args) { @@ -34,7 +44,7 @@ static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args) if (!PyArg_ParseTuple(args, "O", &context)) return NULL; - scripting_context = PyCObject_AsVoidPtr(context); + scripting_context = _PyCapsule_GetPointer(context, NULL); retval = common_pc(scripting_context); return Py_BuildValue("i", retval); @@ -50,7 +60,7 @@ static PyObject *perf_trace_context_common_flags(PyObject *obj, if (!PyArg_ParseTuple(args, "O", &context)) return NULL; - scripting_context = PyCObject_AsVoidPtr(context); + scripting_context = _PyCapsule_GetPointer(context, NULL); retval = common_flags(scripting_context); return Py_BuildValue("i", retval); @@ -66,7 +76,7 @@ static PyObject *perf_trace_context_common_lock_depth(PyObject *obj, if (!PyArg_ParseTuple(args, "O", &context)) return NULL; - scripting_context = PyCObject_AsVoidPtr(context); + scripting_context = _PyCapsule_GetPointer(context, NULL); retval = common_lock_depth(scripting_context); return Py_BuildValue("i", retval); @@ -82,7 +92,25 @@ static PyMethodDef ContextMethods[] = { { 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 */ + }; + return PyModule_Create(&moduledef); +} +#endif diff --git a/tools/perf/scripts/python/bin/mem-phys-addr-record b/tools/perf/scripts/python/bin/mem-phys-addr-record new file mode 100644 index 000000000000..5a875122a904 --- /dev/null +++ b/tools/perf/scripts/python/bin/mem-phys-addr-record @@ -0,0 +1,19 @@ +#!/bin/bash + +# +# Profiling physical memory by all retired load instructions/uops event +# MEM_INST_RETIRED.ALL_LOADS or MEM_UOPS_RETIRED.ALL_LOADS +# + +load=`perf list | grep mem_inst_retired.all_loads` +if [ -z "$load" ]; then + load=`perf list | grep mem_uops_retired.all_loads` +fi +if [ -z "$load" ]; then + echo "There is no event to count all retired load instructions/uops." + exit 1 +fi + +arg=$(echo $load | tr -d ' ') +arg="$arg:P" +perf record --phys-data -e $arg $@ diff --git a/tools/perf/scripts/python/bin/mem-phys-addr-report b/tools/perf/scripts/python/bin/mem-phys-addr-report new file mode 100644 index 000000000000..3f2b847e2eab --- /dev/null +++ b/tools/perf/scripts/python/bin/mem-phys-addr-report @@ -0,0 +1,3 @@ +#!/bin/bash +# description: resolve physical address samples +perf script $@ -s "$PERF_EXEC_PATH"/scripts/python/mem-phys-addr.py diff --git a/tools/perf/scripts/python/mem-phys-addr.py b/tools/perf/scripts/python/mem-phys-addr.py new file mode 100644 index 000000000000..ebee2c5ae496 --- /dev/null +++ b/tools/perf/scripts/python/mem-phys-addr.py @@ -0,0 +1,95 @@ +# mem-phys-addr.py: Resolve physical address samples +# SPDX-License-Identifier: GPL-2.0 +# +# Copyright (c) 2018, Intel Corporation. + +from __future__ import division +import os +import sys +import struct +import re +import bisect +import collections + +sys.path.append(os.environ['PERF_EXEC_PATH'] + \ + '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') + +#physical address ranges for System RAM +system_ram = [] +#physical address ranges for Persistent Memory +pmem = [] +#file object for proc iomem +f = None +#Count for each type of memory +load_mem_type_cnt = collections.Counter() +#perf event name +event_name = None + +def parse_iomem(): + global f + f = open('/proc/iomem', 'r') + for i, j in enumerate(f): + m = re.split('-|:',j,2) + if m[2].strip() == 'System RAM': + system_ram.append(long(m[0], 16)) + system_ram.append(long(m[1], 16)) + if m[2].strip() == 'Persistent Memory': + pmem.append(long(m[0], 16)) + pmem.append(long(m[1], 16)) + +def print_memory_type(): + print "Event: %s" % (event_name) + print "%-40s %10s %10s\n" % ("Memory type", "count", "percentage"), + print "%-40s %10s %10s\n" % ("----------------------------------------", \ + "-----------", "-----------"), + total = sum(load_mem_type_cnt.values()) + for mem_type, count in sorted(load_mem_type_cnt.most_common(), \ + key = lambda(k, v): (v, k), reverse = True): + print "%-40s %10d %10.1f%%\n" % (mem_type, count, 100 * count / total), + +def trace_begin(): + parse_iomem() + +def trace_end(): + print_memory_type() + f.close() + +def is_system_ram(phys_addr): + #/proc/iomem is sorted + position = bisect.bisect(system_ram, phys_addr) + if position % 2 == 0: + return False + return True + +def is_persistent_mem(phys_addr): + position = bisect.bisect(pmem, phys_addr) + if position % 2 == 0: + return False + return True + +def find_memory_type(phys_addr): + if phys_addr == 0: + return "N/A" + if is_system_ram(phys_addr): + return "System RAM" + + if is_persistent_mem(phys_addr): + return "Persistent Memory" + + #slow path, search all + f.seek(0, 0) + for j in f: + m = re.split('-|:',j,2) + if long(m[0], 16) <= phys_addr <= long(m[1], 16): + return m[2] + return "N/A" + +def process_event(param_dict): + name = param_dict["ev_name"] + sample = param_dict["sample"] + phys_addr = sample["phys_addr"] + + global event_name + if event_name == None: + event_name = name + load_mem_type_cnt[find_memory_type(phys_addr)] += 1 |