# mem-phys-addr.py: Resolve physical address samples
# SPDX-License-Identifier: GPL-2.0
#
# Copyright (c) 2018, Intel Corporation.

from __future__ import division
from __future__ import print_function

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(int(m[0], 16))
			system_ram.append(int(m[1], 16))
		if m[2].strip() == 'Persistent Memory':
			pmem.append(int(m[0], 16))
			pmem.append(int(m[1], 16))

def print_memory_type():
	print("Event: %s" % (event_name))
	print("%-40s  %10s  %10s\n" % ("Memory type", "count", "percentage"), end='')
	print("%-40s  %10s  %10s\n" % ("----------------------------------------",
					"-----------", "-----------"),
					end='');
	total = sum(load_mem_type_cnt.values())
	for mem_type, count in sorted(load_mem_type_cnt.most_common(), \
					key = lambda kv: (kv[1], kv[0]), reverse = True):
		print("%-40s  %10d  %10.1f%%\n" %
			(mem_type, count, 100 * count / total),
			end='')

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 int(m[0], 16) <= phys_addr <= int(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
8.y'>linux-2.6.38.y</option>
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</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Hosts the 0x221E linux distro kernel.</td><td class='sub right'>Ubuntu</td></tr></table>
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<div class='path'>path: <a href='/distro/kernel/log/?id=0427612cddef07568ba80596a02089181092783d'>root</a>/<a href='/distro/kernel/log/Documentation?id=0427612cddef07568ba80596a02089181092783d'>Documentation</a>/<a href='/distro/kernel/log/Documentation/mic?id=0427612cddef07568ba80596a02089181092783d'>mic</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/distro/kernel/log/Documentation/mic?id=0427612cddef07568ba80596a02089181092783d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2016-09-20 12:38:48 -0600'>2016-09-20</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=6bee835dd54e279f3d3ae2eca92a9c394b4fd028'>samples: move mic/mpssd example code from Documentation</a></td><td>Shuah Khan</td></tr>
<tr><td><span title='2016-06-03 13:31:37 -0600'>2016-06-03</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=3610a2add39365a0f153154c60169a66c616d50f'>mpssd: fix buffer overflow warning</a></td><td>Mike Danese</td></tr>
<tr><td><span title='2016-03-17 13:47:50 -0700'>2016-03-17</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=8eee93e2576c303b6071368456dcd6c9a5a021c9'>Merge tag 'char-misc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/gi...</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2016-02-17 14:09:43 -0700'>2016-02-17</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=f0cd147e61f2b840b0687a407c2652687532644e'>Documentation: Fix int/unsigned int comparison</a></td><td>Mahesh Khanwalkar</td></tr>
<tr><td><span title='2016-02-09 17:32:37 -0800'>2016-02-09</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=c74c9318a3a76c3714785bc06147dd207a9d0aa3'>misc: mic: MIC host and card driver changes to enable VOP</a></td><td>Sudeep Dutt</td></tr>
<tr><td><span title='2015-10-04 12:54:54 +0100'>2015-10-04</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=f4a66c20448257fbb8932827e5f766b74d1acbf0'>misc: mic: Update MIC host daemon with COSM changes</a></td><td>Ashutosh Dixit</td></tr>
<tr><td><span title='2015-06-26 14:51:15 -0700'>2015-06-26</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=d87823813fe498fdd47894bd28e460a9dee8d771'>Merge tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/gi...</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2015-06-22 16:05:11 -0600'>2015-06-22</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=65f6f092a6987489a5a4d7d63a2a825077755aff'>Documentation/mic/mpssd: don't build x86 userspace when cross compiling</a></td><td>Paul Gortmaker</td></tr>
<tr><td><span title='2015-05-24 12:13:37 -0700'>2015-05-24</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=f5c48149b961012caf3bd0986fc500325647d5d7'>misc: mic: add support for loading/unloading SCIF driver</a></td><td>Sudeep Dutt</td></tr>
<tr><td><span title='2015-05-24 12:13:36 -0700'>2015-05-24</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=7df20f2d893db42eaa1ea1e30a2573c971ec9238'>misc: mic: SCIF header file and IOCTL interface</a></td><td>Sudeep Dutt</td></tr>
<tr><td><span title='2014-12-05 11:18:36 -0500'>2014-12-05</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=d47fb4ec7e101a63754939fa49d75fd7e81e94f8'>Documentation: Build mic/mpssd only for x86_64</a></td><td>Ashutosh Dixit</td></tr>
<tr><td><span title='2014-10-03 15:48:20 +0200'>2014-10-03</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=7b345771ba921361b318e95bf21b257c65ac141c'>Documentation: update include path for mpssd</a></td><td>Peter Foley</td></tr>
<tr><td><span title='2014-09-26 11:02:58 +0200'>2014-09-26</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=8c2b0dc83d9840da4d993a5dbb15c5974ad5a188'>Documentation: support glibc versions without htole macros</a></td><td>Peter Foley</td></tr>
<tr><td><span title='2014-09-26 11:02:57 +0200'>2014-09-26</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=6ab0e475f1f38b6be90aff4ef3ebf928c4a73dc8'>Documentation: fix misc. warnings</a></td><td>Peter Foley</td></tr>
<tr><td><span title='2014-09-26 11:02:56 +0200'>2014-09-26</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=adb19fb66eeebac07fe37d968725bb8906dadb8e'>Documentation: add makefiles for more targets</a></td><td>Peter Foley</td></tr>
<tr><td><span title='2014-07-11 18:31:12 -0700'>2014-07-11</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=a8438814d3b899e04e808e45585b40931517244f'>misc: mic: add support for loading/unloading dma driver</a></td><td>Siva Yerramreddy</td></tr>
<tr><td><span title='2014-07-11 18:27:56 -0700'>2014-07-11</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=a8035843770f34392bbadf0ba81ffa31ecb1209b'>misc: mic: Add mic bus and dma driver documentation</a></td><td>Siva Yerramreddy</td></tr>
<tr><td><span title='2013-11-27 11:03:38 -0800'>2013-11-27</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=173c07278763850bfee57eec442dce38855d6f13'>misc: mic: Fix endianness issues.</a></td><td>Ashutosh Dixit</td></tr>
<tr><td><span title='2013-11-27 11:03:38 -0800'>2013-11-27</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=1e31aa9270daab40c7aef9d5488982e3475b87ef'>misc: mic: Fix user space namespace pollution from mic_common.h.</a></td><td>Ashutosh Dixit</td></tr>
<tr><td><span title='2013-11-27 11:03:38 -0800'>2013-11-27</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=286c24028c7f2df637323e672d9aa54a07b67bde'>misc: mic: Bug fix for sysfs poll usage.</a></td><td>Ashutosh Dixit</td></tr>
<tr><td><span title='2013-10-05 18:01:42 -0700'>2013-10-05</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=af190494f9b2e1fb6e1c039e9626c3c334717da1'>misc: mic: Enable OSPM suspend and resume support.</a></td><td>Dasaratharaman Chandramouli</td></tr>
<tr><td><span title='2013-10-03 16:02:35 -0700'>2013-10-03</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=6078e0bef2236f323377c53e77e26288fb52ee23'>misc: mic: Fix build issues in sample daemon.</a></td><td>Sudeep Dutt</td></tr>
<tr><td><span title='2013-09-27 17:20:19 -0700'>2013-09-27</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=ced2c60fb5024a5cf5c33cb573b3d6a66d738f36'>misc: mic: cleanups for "--strict" checkpatch.</a></td><td>Ashutosh Dixit</td></tr>
<tr><td><span title='2013-09-26 13:52:24 -0700'>2013-09-26</span></td><td><a href='/distro/kernel/commit/Documentation/mic?id=8d49751580db804a02caf6a5b7cebe2ff26c0d7e'>Sample Implementation of Intel MIC User Space Daemon.</a></td><td>Caz Yokoyama</td></tr>