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authorJohn Johansen <john.johansen@canonical.com>2018-05-02 03:38:52 -0400
committerJohn Johansen <john.johansen@canonical.com>2018-05-02 03:38:52 -0400
commit552c69b36ebd966186573b9c7a286b390935cce1 (patch)
tree43ae55082805c8e7f900a63197d21de36937de16 /tools/perf/scripts/python
parent588558eb6d0e0b6edfa65a67e906c2ffeba63ff1 (diff)
parent6da6c0db5316275015e8cc2959f12a17584aeb64 (diff)
Merge tag 'v4.17-rc3' into apparmor-next
Linux v4.17-rc3 Merge in v4.17 for LSM updates Signed-off-by: John Johansen <john.johansen@canonical.com>
Diffstat (limited to 'tools/perf/scripts/python')
-rw-r--r--tools/perf/scripts/python/Perf-Trace-Util/Context.c34
-rw-r--r--tools/perf/scripts/python/bin/mem-phys-addr-record19
-rw-r--r--tools/perf/scripts/python/bin/mem-phys-addr-report3
-rw-r--r--tools/perf/scripts/python/mem-phys-addr.py95
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 @@
23#include "../../../perf.h" 23#include "../../../perf.h"
24#include "../../../util/trace-event.h" 24#include "../../../util/trace-event.h"
25 25
26#if PY_MAJOR_VERSION < 3
27#define _PyCapsule_GetPointer(arg1, arg2) \
28 PyCObject_AsVoidPtr(arg1)
29
26PyMODINIT_FUNC initperf_trace_context(void); 30PyMODINIT_FUNC initperf_trace_context(void);
31#else
32#define _PyCapsule_GetPointer(arg1, arg2) \
33 PyCapsule_GetPointer((arg1), (arg2))
34
35PyMODINIT_FUNC PyInit_perf_trace_context(void);
36#endif
27 37
28static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args) 38static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args)
29{ 39{
@@ -34,7 +44,7 @@ static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args)
34 if (!PyArg_ParseTuple(args, "O", &context)) 44 if (!PyArg_ParseTuple(args, "O", &context))
35 return NULL; 45 return NULL;
36 46
37 scripting_context = PyCObject_AsVoidPtr(context); 47 scripting_context = _PyCapsule_GetPointer(context, NULL);
38 retval = common_pc(scripting_context); 48 retval = common_pc(scripting_context);
39 49
40 return Py_BuildValue("i", retval); 50 return Py_BuildValue("i", retval);
@@ -50,7 +60,7 @@ static PyObject *perf_trace_context_common_flags(PyObject *obj,
50 if (!PyArg_ParseTuple(args, "O", &context)) 60 if (!PyArg_ParseTuple(args, "O", &context))
51 return NULL; 61 return NULL;
52 62
53 scripting_context = PyCObject_AsVoidPtr(context); 63 scripting_context = _PyCapsule_GetPointer(context, NULL);
54 retval = common_flags(scripting_context); 64 retval = common_flags(scripting_context);
55 65
56 return Py_BuildValue("i", retval); 66 return Py_BuildValue("i", retval);
@@ -66,7 +76,7 @@ static PyObject *perf_trace_context_common_lock_depth(PyObject *obj,
66 if (!PyArg_ParseTuple(args, "O", &context)) 76 if (!PyArg_ParseTuple(args, "O", &context))
67 return NULL; 77 return NULL;
68 78
69 scripting_context = PyCObject_AsVoidPtr(context); 79 scripting_context = _PyCapsule_GetPointer(context, NULL);
70 retval = common_lock_depth(scripting_context); 80 retval = common_lock_depth(scripting_context);
71 81
72 return Py_BuildValue("i", retval); 82 return Py_BuildValue("i", retval);
@@ -82,7 +92,25 @@ static PyMethodDef ContextMethods[] = {
82 { NULL, NULL, 0, NULL} 92 { NULL, NULL, 0, NULL}
83}; 93};
84 94
95#if PY_MAJOR_VERSION < 3
85PyMODINIT_FUNC initperf_trace_context(void) 96PyMODINIT_FUNC initperf_trace_context(void)
86{ 97{
87 (void) Py_InitModule("perf_trace_context", ContextMethods); 98 (void) Py_InitModule("perf_trace_context", ContextMethods);
88} 99}
100#else
101PyMODINIT_FUNC PyInit_perf_trace_context(void)
102{
103 static struct PyModuleDef moduledef = {
104 PyModuleDef_HEAD_INIT,
105 "perf_trace_context", /* m_name */
106 "", /* m_doc */
107 -1, /* m_size */
108 ContextMethods, /* m_methods */
109 NULL, /* m_reload */
110 NULL, /* m_traverse */
111 NULL, /* m_clear */
112 NULL, /* m_free */
113 };
114 return PyModule_Create(&moduledef);
115}
116#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 @@
1#!/bin/bash
2
3#
4# Profiling physical memory by all retired load instructions/uops event
5# MEM_INST_RETIRED.ALL_LOADS or MEM_UOPS_RETIRED.ALL_LOADS
6#
7
8load=`perf list | grep mem_inst_retired.all_loads`
9if [ -z "$load" ]; then
10 load=`perf list | grep mem_uops_retired.all_loads`
11fi
12if [ -z "$load" ]; then
13 echo "There is no event to count all retired load instructions/uops."
14 exit 1
15fi
16
17arg=$(echo $load | tr -d ' ')
18arg="$arg:P"
19perf 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 @@
1#!/bin/bash
2# description: resolve physical address samples
3perf 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 @@
1# mem-phys-addr.py: Resolve physical address samples
2# SPDX-License-Identifier: GPL-2.0
3#
4# Copyright (c) 2018, Intel Corporation.
5
6from __future__ import division
7import os
8import sys
9import struct
10import re
11import bisect
12import collections
13
14sys.path.append(os.environ['PERF_EXEC_PATH'] + \
15 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
16
17#physical address ranges for System RAM
18system_ram = []
19#physical address ranges for Persistent Memory
20pmem = []
21#file object for proc iomem
22f = None
23#Count for each type of memory
24load_mem_type_cnt = collections.Counter()
25#perf event name
26event_name = None
27
28def parse_iomem():
29 global f
30 f = open('/proc/iomem', 'r')
31 for i, j in enumerate(f):
32 m = re.split('-|:',j,2)
33 if m[2].strip() == 'System RAM':
34 system_ram.append(long(m[0], 16))
35 system_ram.append(long(m[1], 16))
36 if m[2].strip() == 'Persistent Memory':
37 pmem.append(long(m[0], 16))
38 pmem.append(long(m[1], 16))
39
40def print_memory_type():
41 print "Event: %s" % (event_name)
42 print "%-40s %10s %10s\n" % ("Memory type", "count", "percentage"),
43 print "%-40s %10s %10s\n" % ("----------------------------------------", \
44 "-----------", "-----------"),
45 total = sum(load_mem_type_cnt.values())
46 for mem_type, count in sorted(load_mem_type_cnt.most_common(), \
47 key = lambda(k, v): (v, k), reverse = True):
48 print "%-40s %10d %10.1f%%\n" % (mem_type, count, 100 * count / total),
49
50def trace_begin():
51 parse_iomem()
52
53def trace_end():
54 print_memory_type()
55 f.close()
56
57def is_system_ram(phys_addr):
58 #/proc/iomem is sorted
59 position = bisect.bisect(system_ram, phys_addr)
60 if position % 2 == 0:
61 return False
62 return True
63
64def is_persistent_mem(phys_addr):
65 position = bisect.bisect(pmem, phys_addr)
66 if position % 2 == 0:
67 return False
68 return True
69
70def find_memory_type(phys_addr):
71 if phys_addr == 0:
72 return "N/A"
73 if is_system_ram(phys_addr):
74 return "System RAM"
75
76 if is_persistent_mem(phys_addr):
77 return "Persistent Memory"
78
79 #slow path, search all
80 f.seek(0, 0)
81 for j in f:
82 m = re.split('-|:',j,2)
83 if long(m[0], 16) <= phys_addr <= long(m[1], 16):
84 return m[2]
85 return "N/A"
86
87def process_event(param_dict):
88 name = param_dict["ev_name"]
89 sample = param_dict["sample"]
90 phys_addr = sample["phys_addr"]
91
92 global event_name
93 if event_name == None:
94 event_name = name
95 load_mem_type_cnt[find_memory_type(phys_addr)] += 1