diff options
Diffstat (limited to 'tools/perf/scripts')
| -rw-r--r-- | tools/perf/scripts/python/bin/compaction-times-record | 2 | ||||
| -rw-r--r-- | tools/perf/scripts/python/bin/compaction-times-report | 4 | ||||
| -rw-r--r-- | tools/perf/scripts/python/call-graph-from-postgresql.py | 327 | ||||
| -rw-r--r-- | tools/perf/scripts/python/compaction-times.py | 311 | ||||
| -rw-r--r-- | tools/perf/scripts/python/export-to-postgresql.py | 47 |
5 files changed, 691 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/bin/compaction-times-record b/tools/perf/scripts/python/bin/compaction-times-record new file mode 100644 index 000000000..6edcd40e1 --- /dev/null +++ b/tools/perf/scripts/python/bin/compaction-times-record @@ -0,0 +1,2 @@ +#!/bin/bash +perf record -e compaction:mm_compaction_begin -e compaction:mm_compaction_end -e compaction:mm_compaction_migratepages -e compaction:mm_compaction_isolate_migratepages -e compaction:mm_compaction_isolate_freepages $@ diff --git a/tools/perf/scripts/python/bin/compaction-times-report b/tools/perf/scripts/python/bin/compaction-times-report new file mode 100644 index 000000000..3dc13897c --- /dev/null +++ b/tools/perf/scripts/python/bin/compaction-times-report @@ -0,0 +1,4 @@ +#!/bin/bash +#description: display time taken by mm compaction +#args: [-h] [-u] [-p|-pv] [-t | [-m] [-fs] [-ms]] [pid|pid-range|comm-regex] +perf script -s "$PERF_EXEC_PATH"/scripts/python/compaction-times.py $@ diff --git a/tools/perf/scripts/python/call-graph-from-postgresql.py b/tools/perf/scripts/python/call-graph-from-postgresql.py new file mode 100644 index 000000000..e78fdc2a5 --- /dev/null +++ b/tools/perf/scripts/python/call-graph-from-postgresql.py @@ -0,0 +1,327 @@ +#!/usr/bin/python2 +# call-graph-from-postgresql.py: create call-graph from postgresql database +# Copyright (c) 2014, Intel Corporation. +# +# This program is free software; you can redistribute it and/or modify it +# under the terms and conditions of the GNU General Public License, +# version 2, as published by the Free Software Foundation. +# +# This program is distributed in the hope it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for +# more details. + +# To use this script you will need to have exported data using the +# export-to-postgresql.py script. Refer to that script for details. +# +# Following on from the example in the export-to-postgresql.py script, a +# call-graph can be displayed for the pt_example database like this: +# +# python tools/perf/scripts/python/call-graph-from-postgresql.py pt_example +# +# Note this script supports connecting to remote databases by setting hostname, +# port, username, password, and dbname e.g. +# +# python tools/perf/scripts/python/call-graph-from-postgresql.py "hostname=myhost username=myuser password=mypassword dbname=pt_example" +# +# The result is a GUI window with a tree representing a context-sensitive +# call-graph. Expanding a couple of levels of the tree and adjusting column +# widths to suit will display something like: +# +# Call Graph: pt_example +# Call Path Object Count Time(ns) Time(%) Branch Count Branch Count(%) +# v- ls +# v- 2638:2638 +# v- _start ld-2.19.so 1 10074071 100.0 211135 100.0 +# |- unknown unknown 1 13198 0.1 1 0.0 +# >- _dl_start ld-2.19.so 1 1400980 13.9 19637 9.3 +# >- _d_linit_internal ld-2.19.so 1 448152 4.4 11094 5.3 +# v-__libc_start_main@plt ls 1 8211741 81.5 180397 85.4 +# >- _dl_fixup ld-2.19.so 1 7607 0.1 108 0.1 +# >- __cxa_atexit libc-2.19.so 1 11737 0.1 10 0.0 +# >- __libc_csu_init ls 1 10354 0.1 10 0.0 +# |- _setjmp libc-2.19.so 1 0 0.0 4 0.0 +# v- main ls 1 8182043 99.6 180254 99.9 +# +# Points to note: +# The top level is a command name (comm) +# The next level is a thread (pid:tid) +# Subsequent levels are functions +# 'Count' is the number of calls +# 'Time' is the elapsed time until the function returns +# Percentages are relative to the level above +# 'Branch Count' is the total number of branches for that function and all +# functions that it calls + +import sys +from PySide.QtCore import * +from PySide.QtGui import * +from PySide.QtSql import * +from decimal import * + +class TreeItem(): + + def __init__(self, db, row, parent_item): + self.db = db + self.row = row + self.parent_item = parent_item + self.query_done = False; + self.child_count = 0 + self.child_items = [] + self.data = ["", "", "", "", "", "", ""] + self.comm_id = 0 + self.thread_id = 0 + self.call_path_id = 1 + self.branch_count = 0 + self.time = 0 + if not parent_item: + self.setUpRoot() + + def setUpRoot(self): + self.query_done = True + query = QSqlQuery(self.db) + ret = query.exec_('SELECT id, comm FROM comms') + if not ret: + raise Exception("Query failed: " + query.lastError().text()) + while query.next(): + if not query.value(0): + continue + child_item = TreeItem(self.db, self.child_count, self) + self.child_items.append(child_item) + self.child_count += 1 + child_item.setUpLevel1(query.value(0), query.value(1)) + + def setUpLevel1(self, comm_id, comm): + self.query_done = True; + self.comm_id = comm_id + self.data[0] = comm + self.child_items = [] + self.child_count = 0 + query = QSqlQuery(self.db) + ret = query.exec_('SELECT thread_id, ( SELECT pid FROM threads WHERE id = thread_id ), ( SELECT tid FROM threads WHERE id = thread_id ) FROM comm_threads WHERE comm_id = ' + str(comm_id)) + if not ret: + raise Exception("Query failed: " + query.lastError().text()) + while query.next(): + child_item = TreeItem(self.db, self.child_count, self) + self.child_items.append(child_item) + self.child_count += 1 + child_item.setUpLevel2(comm_id, query.value(0), query.value(1), query.value(2)) + + def setUpLevel2(self, comm_id, thread_id, pid, tid): + self.comm_id = comm_id + self.thread_id = thread_id + self.data[0] = str(pid) + ":" + str(tid) + + def getChildItem(self, row): + return self.child_items[row] + + def getParentItem(self): + return self.parent_item + + def getRow(self): + return self.row + + def timePercent(self, b): + if not self.time: + return "0.0" + x = (b * Decimal(100)) / self.time + return str(x.quantize(Decimal('.1'), rounding=ROUND_HALF_UP)) + + def branchPercent(self, b): + if not self.branch_count: + return "0.0" + x = (b * Decimal(100)) / self.branch_count + return str(x.quantize(Decimal('.1'), rounding=ROUND_HALF_UP)) + + def addChild(self, call_path_id, name, dso, count, time, branch_count): + child_item = TreeItem(self.db, self.child_count, self) + child_item.comm_id = self.comm_id + child_item.thread_id = self.thread_id + child_item.call_path_id = call_path_id + child_item.branch_count = branch_count + child_item.time = time + child_item.data[0] = name + if dso == "[kernel.kallsyms]": + dso = "[kernel]" + child_item.data[1] = dso + child_item.data[2] = str(count) + child_item.data[3] = str(time) + child_item.data[4] = self.timePercent(time) + child_item.data[5] = str(branch_count) + child_item.data[6] = self.branchPercent(branch_count) + self.child_items.append(child_item) + self.child_count += 1 + + def selectCalls(self): + self.query_done = True; + query = QSqlQuery(self.db) + ret = query.exec_('SELECT id, call_path_id, branch_count, call_time, return_time, ' + '( SELECT name FROM symbols WHERE id = ( SELECT symbol_id FROM call_paths WHERE id = call_path_id ) ), ' + '( SELECT short_name FROM dsos WHERE id = ( SELECT dso_id FROM symbols WHERE id = ( SELECT symbol_id FROM call_paths WHERE id = call_path_id ) ) ), ' + '( SELECT ip FROM call_paths where id = call_path_id ) ' + 'FROM calls WHERE parent_call_path_id = ' + str(self.call_path_id) + ' AND comm_id = ' + str(self.comm_id) + ' AND thread_id = ' + str(self.thread_id) + + 'ORDER BY call_path_id') + if not ret: + raise Exception("Query failed: " + query.lastError().text()) + last_call_path_id = 0 + name = "" + dso = "" + count = 0 + branch_count = 0 + total_branch_count = 0 + time = 0 + total_time = 0 + while query.next(): + if query.value(1) == last_call_path_id: + count += 1 + branch_count += query.value(2) + time += query.value(4) - query.value(3) + else: + if count: + self.addChild(last_call_path_id, name, dso, count, time, branch_count) + last_call_path_id = query.value(1) + name = query.value(5) + dso = query.value(6) + count = 1 + total_branch_count += branch_count + total_time += time + branch_count = query.value(2) + time = query.value(4) - query.value(3) + if count: + self.addChild(last_call_path_id, name, dso, count, time, branch_count) + total_branch_count += branch_count + total_time += time + # Top level does not have time or branch count, so fix that here + if total_branch_count > self.branch_count: + self.branch_count = total_branch_count + if self.branch_count: + for child_item in self.child_items: + child_item.data[6] = self.branchPercent(child_item.branch_count) + if total_time > self.time: + self.time = total_time + if self.time: + for child_item in self.child_items: + child_item.data[4] = self.timePercent(child_item.time) + + def childCount(self): + if not self.query_done: + self.selectCalls() + return self.child_count + + def columnCount(self): + return 7 + + def columnHeader(self, column): + headers = ["Call Path", "Object", "Count ", "Time (ns) ", "Time (%) ", "Branch Count ", "Branch Count (%) "] + return headers[column] + + def getData(self, column): + return self.data[column] + +class TreeModel(QAbstractItemModel): + + def __init__(self, db, parent=None): + super(TreeModel, self).__init__(parent) + self.db = db + self.root = TreeItem(db, 0, None) + + def columnCount(self, parent): + return self.root.columnCount() + + def rowCount(self, parent): + if parent.isValid(): + parent_item = parent.internalPointer() + else: + parent_item = self.root + return parent_item.childCount() + + def headerData(self, section, orientation, role): + if role == Qt.TextAlignmentRole: + if section > 1: + return Qt.AlignRight + if role != Qt.DisplayRole: + return None + if orientation != Qt.Horizontal: + return None + return self.root.columnHeader(section) + + def parent(self, child): + child_item = child.internalPointer() + if child_item is self.root: + return QModelIndex() + parent_item = child_item.getParentItem() + return self.createIndex(parent_item.getRow(), 0, parent_item) + + def index(self, row, column, parent): + if parent.isValid(): + parent_item = parent.internalPointer() + else: + parent_item = self.root + child_item = parent_item.getChildItem(row) + return self.createIndex(row, column, child_item) + + def data(self, index, role): + if role == Qt.TextAlignmentRole: + if index.column() > 1: + return Qt.AlignRight + if role != Qt.DisplayRole: + return None + index_item = index.internalPointer() + return index_item.getData(index.column()) + +class MainWindow(QMainWindow): + + def __init__(self, db, dbname, parent=None): + super(MainWindow, self).__init__(parent) + + self.setObjectName("MainWindow") + self.setWindowTitle("Call Graph: " + dbname) + self.move(100, 100) + self.resize(800, 600) + style = self.style() + icon = style.standardIcon(QStyle.SP_MessageBoxInformation) + self.setWindowIcon(icon); + + self.model = TreeModel(db) + + self.view = QTreeView() + self.view.setModel(self.model) + + self.setCentralWidget(self.view) + +if __name__ == '__main__': + if (len(sys.argv) < 2): + print >> sys.stderr, "Usage is: call-graph-from-postgresql.py <database name>" + raise Exception("Too few arguments") + + dbname = sys.argv[1] + + db = QSqlDatabase.addDatabase('QPSQL') + + opts = dbname.split() + for opt in opts: + if '=' in opt: + opt = opt.split('=') + if opt[0] == 'hostname': + db.setHostName(opt[1]) + elif opt[0] == 'port': + db.setPort(int(opt[1])) + elif opt[0] == 'username': + db.setUserName(opt[1]) + elif opt[0] == 'password': + db.setPassword(opt[1]) + elif opt[0] == 'dbname': + dbname = opt[1] + else: + dbname = opt + + db.setDatabaseName(dbname) + if not db.open(): + raise Exception("Failed to open database " + dbname + " error: " + db.lastError().text()) + + app = QApplication(sys.argv) + window = MainWindow(db, dbname) + window.show() + err = app.exec_() + db.close() + sys.exit(err) diff --git a/tools/perf/scripts/python/compaction-times.py b/tools/perf/scripts/python/compaction-times.py new file mode 100644 index 000000000..239cb0568 --- /dev/null +++ b/tools/perf/scripts/python/compaction-times.py @@ -0,0 +1,311 @@ +# report time spent in compaction +# Licensed under the terms of the GNU GPL License version 2 + +# testing: +# 'echo 1 > /proc/sys/vm/compact_memory' to force compaction of all zones + +import os +import sys +import re + +import signal +signal.signal(signal.SIGPIPE, signal.SIG_DFL) + +usage = "usage: perf script report compaction-times.py -- [-h] [-u] [-p|-pv] [-t | [-m] [-fs] [-ms]] [pid|pid-range|comm-regex]\n" + +class popt: + DISP_DFL = 0 + DISP_PROC = 1 + DISP_PROC_VERBOSE=2 + +class topt: + DISP_TIME = 0 + DISP_MIG = 1 + DISP_ISOLFREE = 2 + DISP_ISOLMIG = 4 + DISP_ALL = 7 + +class comm_filter: + def __init__(self, re): + self.re = re + + def filter(self, pid, comm): + m = self.re.search(comm) + return m == None or m.group() == "" + +class pid_filter: + def __init__(self, low, high): + self.low = (0 if low == "" else int(low)) + self.high = (0 if high == "" else int(high)) + + def filter(self, pid, comm): + return not (pid >= self.low and (self.high == 0 or pid <= self.high)) + +def set_type(t): + global opt_disp + opt_disp = (t if opt_disp == topt.DISP_ALL else opt_disp|t) + +def ns(sec, nsec): + return (sec * 1000000000) + nsec + +def time(ns): + return "%dns" % ns if opt_ns else "%dus" % (round(ns, -3) / 1000) + +class pair: + def __init__(self, aval, bval, alabel = None, blabel = None): + self.alabel = alabel + self.blabel = blabel + self.aval = aval + self.bval = bval + + def __add__(self, rhs): + self.aval += rhs.aval + self.bval += rhs.bval + return self + + def __str__(self): + return "%s=%d %s=%d" % (self.alabel, self.aval, self.blabel, self.bval) + +class cnode: + def __init__(self, ns): + self.ns = ns + self.migrated = pair(0, 0, "moved", "failed") + self.fscan = pair(0,0, "scanned", "isolated") + self.mscan = pair(0,0, "scanned", "isolated") + + def __add__(self, rhs): + self.ns += rhs.ns + self.migrated += rhs.migrated + self.fscan += rhs.fscan + self.mscan += rhs.mscan + return self + + def __str__(self): + prev = 0 + s = "%s " % time(self.ns) + if (opt_disp & topt.DISP_MIG): + s += "migration: %s" % self.migrated + prev = 1 + if (opt_disp & topt.DISP_ISOLFREE): + s += "%sfree_scanner: %s" % (" " if prev else "", self.fscan) + prev = 1 + if (opt_disp & topt.DISP_ISOLMIG): + s += "%smigration_scanner: %s" % (" " if prev else "", self.mscan) + return s + + def complete(self, secs, nsecs): + self.ns = ns(secs, nsecs) - self.ns + + def increment(self, migrated, fscan, mscan): + if (migrated != None): + self.migrated += migrated + if (fscan != None): + self.fscan += fscan + if (mscan != None): + self.mscan += mscan + + +class chead: + heads = {} + val = cnode(0); + fobj = None + + @classmethod + def add_filter(cls, filter): + cls.fobj = filter + + @classmethod + def create_pending(cls, pid, comm, start_secs, start_nsecs): + filtered = 0 + try: + head = cls.heads[pid] + filtered = head.is_filtered() + except KeyError: + if cls.fobj != None: + filtered = cls.fobj.filter(pid, comm) + head = cls.heads[pid] = chead(comm, pid, filtered) + + if not filtered: + head.mark_pending(start_secs, start_nsecs) + + @classmethod + def increment_pending(cls, pid, migrated, fscan, mscan): + head = cls.heads[pid] + if not head.is_filtered(): + if head.is_pending(): + head.do_increment(migrated, fscan, mscan) + else: + sys.stderr.write("missing start compaction event for pid %d\n" % pid) + + @classmethod + def complete_pending(cls, pid, secs, nsecs): + head = cls.heads[pid] + if not head.is_filtered(): + if head.is_pending(): + head.make_complete(secs, nsecs) + else: + sys.stderr.write("missing start compaction event for pid %d\n" % pid) + + @classmethod + def gen(cls): + if opt_proc != popt.DISP_DFL: + for i in cls.heads: + yield cls.heads[i] + + @classmethod + def str(cls): + return cls.val + + def __init__(self, comm, pid, filtered): + self.comm = comm + self.pid = pid + self.val = cnode(0) + self.pending = None + self.filtered = filtered + self.list = [] + + def __add__(self, rhs): + self.ns += rhs.ns + self.val += rhs.val + return self + + def mark_pending(self, secs, nsecs): + self.pending = cnode(ns(secs, nsecs)) + + def do_increment(self, migrated, fscan, mscan): + self.pending.increment(migrated, fscan, mscan) + + def make_complete(self, secs, nsecs): + self.pending.complete(secs, nsecs) + chead.val += self.pending + + if opt_proc != popt.DISP_DFL: + self.val += self.pending + + if opt_proc == popt.DISP_PROC_VERBOSE: + self.list.append(self.pending) + self.pending = None + + def enumerate(self): + if opt_proc == popt.DISP_PROC_VERBOSE and not self.is_filtered(): + for i, pelem in enumerate(self.list): + sys.stdout.write("%d[%s].%d: %s\n" % (self.pid, self.comm, i+1, pelem)) + + def is_pending(self): + return self.pending != None + + def is_filtered(self): + return self.filtered + + def display(self): + if not self.is_filtered(): + sys.stdout.write("%d[%s]: %s\n" % (self.pid, self.comm, self.val)) + + +def trace_end(): + sys.stdout.write("total: %s\n" % chead.str()) + for i in chead.gen(): + i.display(), + i.enumerate() + +def compaction__mm_compaction_migratepages(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + common_callchain, nr_migrated, nr_failed): + + chead.increment_pending(common_pid, + pair(nr_migrated, nr_failed), None, None) + +def compaction__mm_compaction_isolate_freepages(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + common_callchain, start_pfn, end_pfn, nr_scanned, nr_taken): + + chead.increment_pending(common_pid, + None, pair(nr_scanned, nr_taken), None) + +def compaction__mm_compaction_isolate_migratepages(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + common_callchain, start_pfn, end_pfn, nr_scanned, nr_taken): + + chead.increment_pending(common_pid, + None, None, pair(nr_scanned, nr_taken)) + +def compaction__mm_compaction_end(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + common_callchain, zone_start, migrate_start, free_start, zone_end, + sync, status): + + chead.complete_pending(common_pid, common_secs, common_nsecs) + +def compaction__mm_compaction_begin(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + common_callchain, zone_start, migrate_start, free_start, zone_end, + sync): + + chead.create_pending(common_pid, common_comm, common_secs, common_nsecs) + +def pr_help(): + global usage + + sys.stdout.write(usage) + sys.stdout.write("\n") + sys.stdout.write("-h display this help\n") + sys.stdout.write("-p display by process\n") + sys.stdout.write("-pv display by process (verbose)\n") + sys.stdout.write("-t display stall times only\n") + sys.stdout.write("-m display stats for migration\n") + sys.stdout.write("-fs display stats for free scanner\n") + sys.stdout.write("-ms display stats for migration scanner\n") + sys.stdout.write("-u display results in microseconds (default nanoseconds)\n") + + +comm_re = None +pid_re = None +pid_regex = "^(\d*)-(\d*)$|^(\d*)$" + +opt_proc = popt.DISP_DFL +opt_disp = topt.DISP_ALL + +opt_ns = True + +argc = len(sys.argv) - 1 +if argc >= 1: + pid_re = re.compile(pid_regex) + + for i, opt in enumerate(sys.argv[1:]): + if opt[0] == "-": + if opt == "-h": + pr_help() + exit(0); + elif opt == "-p": + opt_proc = popt.DISP_PROC + elif opt == "-pv": + opt_proc = popt.DISP_PROC_VERBOSE + elif opt == '-u': + opt_ns = False + elif opt == "-t": + set_type(topt.DISP_TIME) + elif opt == "-m": + set_type(topt.DISP_MIG) + elif opt == "-fs": + set_type(topt.DISP_ISOLFREE) + elif opt == "-ms": + set_type(topt.DISP_ISOLMIG) + else: + sys.exit(usage) + + elif i == argc - 1: + m = pid_re.search(opt) + if m != None and m.group() != "": + if m.group(3) != None: + f = pid_filter(m.group(3), m.group(3)) + else: + f = pid_filter(m.group(1), m.group(2)) + else: + try: + comm_re=re.compile(opt) + except: + sys.stderr.write("invalid regex '%s'" % opt) + sys.exit(usage) + f = comm_filter(comm_re) + + chead.add_filter(f) diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py index 4cdafd880..84a32037a 100644 --- a/tools/perf/scripts/python/export-to-postgresql.py +++ b/tools/perf/scripts/python/export-to-postgresql.py @@ -15,6 +15,53 @@ import sys import struct import datetime +# To use this script you will need to have installed package python-pyside which +# provides LGPL-licensed Python bindings for Qt. You will also need the package +# libqt4-sql-psql for Qt postgresql support. +# +# The script assumes postgresql is running on the local machine and that the +# user has postgresql permissions to create databases. Examples of installing +# postgresql and adding such a user are: +# +# fedora: +# +# $ sudo yum install postgresql postgresql-server python-pyside qt-postgresql +# $ sudo su - postgres -c initdb +# $ sudo service postgresql start +# $ sudo su - postgres +# $ createuser <your user id here> +# Shall the new role be a superuser? (y/n) y +# +# ubuntu: +# +# $ sudo apt-get install postgresql +# $ sudo su - postgres +# $ createuser <your user id here> +# Shall the new role be a superuser? (y/n) y +# +# An example of using this script with Intel PT: +# +# $ perf record -e intel_pt//u ls +# $ perf script -s ~/libexec/perf-core/scripts/python/export-to-postgresql.py pt_example branches calls +# 2015-05-29 12:49:23.464364 Creating database... +# 2015-05-29 12:49:26.281717 Writing to intermediate files... +# 2015-05-29 12:49:27.190383 Copying to database... +# 2015-05-29 12:49:28.140451 Removing intermediate files... +# 2015-05-29 12:49:28.147451 Adding primary keys +# 2015-05-29 12:49:28.655683 Adding foreign keys +# 2015-05-29 12:49:29.365350 Done +# +# To browse the database, psql can be used e.g. +# +# $ psql pt_example +# pt_example=# select * from samples_view where id < 100; +# pt_example=# \d+ +# pt_example=# \d+ samples_view +# pt_example=# \q +# +# An example of using the database is provided by the script +# call-graph-from-postgresql.py. Refer to that script for details. + from PySide.QtSql import * # Need to access PostgreSQL C library directly to use COPY FROM STDIN |