From 7e4b21b84c43bb8a80b916e40718ca4ed1fc52e6 Mon Sep 17 00:00:00 2001 From: Tom Zanussi Date: Wed, 27 Jan 2010 02:27:57 -0600 Subject: perf/scripts: Add Python scripting engine Add base support for Python scripting to perf trace. Signed-off-by: Tom Zanussi Cc: Ingo Molnar Cc: Steven Rostedt Cc: Keiichi KII Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo LKML-Reference: <1264580883-15324-6-git-send-email-tzanussi@gmail.com> Signed-off-by: Frederic Weisbecker --- .../perf/scripts/python/Perf-Trace-Util/Context.c | 88 +++++++++++++++++++++ .../python/Perf-Trace-Util/lib/Perf/Trace/Core.py | 91 ++++++++++++++++++++++ .../python/Perf-Trace-Util/lib/Perf/Trace/Util.py | 25 ++++++ 3 files changed, 204 insertions(+) create mode 100644 tools/perf/scripts/python/Perf-Trace-Util/Context.c create mode 100644 tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Core.py create mode 100644 tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py (limited to 'tools/perf/scripts/python') 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 00000000000..957085dd5d8 --- /dev/null +++ b/tools/perf/scripts/python/Perf-Trace-Util/Context.c @@ -0,0 +1,88 @@ +/* + * Context.c. Python interfaces for perf trace. + * + * Copyright (C) 2010 Tom Zanussi + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include +#include "../../../perf.h" +#include "../../../util/trace-event.h" + +PyMODINIT_FUNC initperf_trace_context(void); + +static PyObject *perf_trace_context_common_pc(PyObject *self, PyObject *args) +{ + static struct scripting_context *scripting_context; + PyObject *context; + int retval; + + if (!PyArg_ParseTuple(args, "O", &context)) + return NULL; + + scripting_context = PyCObject_AsVoidPtr(context); + retval = common_pc(scripting_context); + + return Py_BuildValue("i", retval); +} + +static PyObject *perf_trace_context_common_flags(PyObject *self, + PyObject *args) +{ + static struct scripting_context *scripting_context; + PyObject *context; + int retval; + + if (!PyArg_ParseTuple(args, "O", &context)) + return NULL; + + scripting_context = PyCObject_AsVoidPtr(context); + retval = common_flags(scripting_context); + + return Py_BuildValue("i", retval); +} + +static PyObject *perf_trace_context_common_lock_depth(PyObject *self, + PyObject *args) +{ + static struct scripting_context *scripting_context; + PyObject *context; + int retval; + + if (!PyArg_ParseTuple(args, "O", &context)) + return NULL; + + scripting_context = PyCObject_AsVoidPtr(context); + retval = common_lock_depth(scripting_context); + + return Py_BuildValue("i", retval); +} + +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."}, + { NULL, NULL, 0, NULL} +}; + +PyMODINIT_FUNC initperf_trace_context(void) +{ + (void) Py_InitModule("perf_trace_context", ContextMethods); +} 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 00000000000..1dc464ee2ca --- /dev/null +++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Core.py @@ -0,0 +1,91 @@ +# Core.py - Python extension for perf trace, core functions +# +# Copyright (C) 2010 by Tom Zanussi +# +# 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 + keys = flag_fields[event_name][field_name]['values'].keys() + keys.sort() + for idx in keys: + 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]: + keys = symbolic_fields[event_name][field_name]['values'].keys() + keys.sort() + for idx in keys: + 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 + + keys = trace_flags.keys() + + for idx in keys: + 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 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 00000000000..83e91435ed0 --- /dev/null +++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py @@ -0,0 +1,25 @@ +# Util.py - Python extension for perf trace, miscellaneous utility code +# +# Copyright (C) 2010 by Tom Zanussi +# +# This software may be distributed under the terms of the GNU General +# Public License ("GPL") version 2 as published by the Free Software +# Foundation. + +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 -- cgit v1.2.3-70-g09d2 From 4d161f0360d00d46a89827b3fd6da395f00c5d90 Mon Sep 17 00:00:00 2001 From: Tom Zanussi Date: Wed, 27 Jan 2010 02:27:58 -0600 Subject: perf/scripts: Add syscall tracing scripts Adds a set of scripts that aggregate system call totals and system call errors. Most are Python scripts that also test basic functionality of the new Python engine, but there's also one Perl script added for comparison and for reference in some new Documentation contained in a later patch. Signed-off-by: Tom Zanussi Cc: Ingo Molnar Cc: Steven Rostedt Cc: Keiichi KII Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo LKML-Reference: <1264580883-15324-8-git-send-email-tzanussi@gmail.com> Signed-off-by: Frederic Weisbecker --- tools/perf/Makefile | 3 + .../perf/scripts/perl/bin/check-perf-trace-record | 2 +- tools/perf/scripts/perl/bin/failed-syscalls-record | 2 + tools/perf/scripts/perl/bin/failed-syscalls-report | 4 ++ tools/perf/scripts/perl/failed-syscalls.pl | 38 ++++++++++ .../python/bin/failed-syscalls-by-pid-record | 2 + .../python/bin/failed-syscalls-by-pid-report | 4 ++ .../python/bin/syscall-counts-by-pid-record | 2 + .../python/bin/syscall-counts-by-pid-report | 4 ++ .../perf/scripts/python/bin/syscall-counts-record | 2 + .../perf/scripts/python/bin/syscall-counts-report | 4 ++ tools/perf/scripts/python/check-perf-trace.py | 83 ++++++++++++++++++++++ .../perf/scripts/python/failed-syscalls-by-pid.py | 68 ++++++++++++++++++ tools/perf/scripts/python/syscall-counts-by-pid.py | 64 +++++++++++++++++ tools/perf/scripts/python/syscall-counts.py | 58 +++++++++++++++ 15 files changed, 339 insertions(+), 1 deletion(-) create mode 100644 tools/perf/scripts/perl/bin/failed-syscalls-record create mode 100644 tools/perf/scripts/perl/bin/failed-syscalls-report create mode 100644 tools/perf/scripts/perl/failed-syscalls.pl create mode 100644 tools/perf/scripts/python/bin/failed-syscalls-by-pid-record create mode 100644 tools/perf/scripts/python/bin/failed-syscalls-by-pid-report create mode 100644 tools/perf/scripts/python/bin/syscall-counts-by-pid-record create mode 100644 tools/perf/scripts/python/bin/syscall-counts-by-pid-report create mode 100644 tools/perf/scripts/python/bin/syscall-counts-record create mode 100644 tools/perf/scripts/python/bin/syscall-counts-report create mode 100644 tools/perf/scripts/python/check-perf-trace.py create mode 100644 tools/perf/scripts/python/failed-syscalls-by-pid.py create mode 100644 tools/perf/scripts/python/syscall-counts-by-pid.py create mode 100644 tools/perf/scripts/python/syscall-counts.py (limited to 'tools/perf/scripts/python') diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 14273164db0..54a5b50ff31 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -1032,7 +1032,10 @@ install: all $(INSTALL) scripts/perl/*.pl -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl' $(INSTALL) scripts/perl/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin' $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace' + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin' $(INSTALL) scripts/python/Perf-Trace-Util/lib/Perf/Trace/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace' + $(INSTALL) scripts/python/*.py -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python' + $(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin' ifdef BUILT_INS $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)' diff --git a/tools/perf/scripts/perl/bin/check-perf-trace-record b/tools/perf/scripts/perl/bin/check-perf-trace-record index 3c157449894..e6cb1474f8e 100644 --- a/tools/perf/scripts/perl/bin/check-perf-trace-record +++ b/tools/perf/scripts/perl/bin/check-perf-trace-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -c 1 -f -a -M -R -e kmem:kmalloc -e irq:softirq_entry +perf record -c 1 -f -a -M -R -e kmem:kmalloc -e irq:softirq_entry -e kmem:kfree diff --git a/tools/perf/scripts/perl/bin/failed-syscalls-record b/tools/perf/scripts/perl/bin/failed-syscalls-record new file mode 100644 index 00000000000..f8885d389e6 --- /dev/null +++ b/tools/perf/scripts/perl/bin/failed-syscalls-record @@ -0,0 +1,2 @@ +#!/bin/bash +perf record -c 1 -f -a -M -R -e raw_syscalls:sys_exit diff --git a/tools/perf/scripts/perl/bin/failed-syscalls-report b/tools/perf/scripts/perl/bin/failed-syscalls-report new file mode 100644 index 00000000000..8bfc660e505 --- /dev/null +++ b/tools/perf/scripts/perl/bin/failed-syscalls-report @@ -0,0 +1,4 @@ +#!/bin/bash +# description: system-wide failed syscalls +# args: [comm] +perf trace -s ~/libexec/perf-core/scripts/perl/failed-syscalls.pl $1 diff --git a/tools/perf/scripts/perl/failed-syscalls.pl b/tools/perf/scripts/perl/failed-syscalls.pl new file mode 100644 index 00000000000..c18e7e27a84 --- /dev/null +++ b/tools/perf/scripts/perl/failed-syscalls.pl @@ -0,0 +1,38 @@ +# failed system call counts +# (c) 2010, Tom Zanussi +# Licensed under the terms of the GNU GPL License version 2 +# +# Displays system-wide failed system call totals +# If a [comm] arg is specified, only syscalls called by [comm] are displayed. + +use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib"; +use lib "./Perf-Trace-Util/lib"; +use Perf::Trace::Core; +use Perf::Trace::Context; +use Perf::Trace::Util; + +my %failed_syscalls; + +sub raw_syscalls::sys_exit +{ + my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, + $common_pid, $common_comm, + $id, $ret) = @_; + + if ($ret < 0) { + $failed_syscalls{$common_comm}++; + } +} + +sub trace_end +{ + printf("\nfailed syscalls by comm:\n\n"); + + printf("%-20s %10s\n", "comm", "# errors"); + printf("%-20s %6s %10s\n", "--------------------", "----------"); + + foreach my $comm (sort {$failed_syscalls{$b} <=> $failed_syscalls{$a}} + keys %failed_syscalls) { + printf("%-20s %10s\n", $comm, $failed_syscalls{$comm}); + } +} diff --git a/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record new file mode 100644 index 00000000000..f8885d389e6 --- /dev/null +++ b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record @@ -0,0 +1,2 @@ +#!/bin/bash +perf record -c 1 -f -a -M -R -e raw_syscalls:sys_exit diff --git a/tools/perf/scripts/python/bin/failed-syscalls-by-pid-report b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-report new file mode 100644 index 00000000000..1e0c0a860c8 --- /dev/null +++ b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-report @@ -0,0 +1,4 @@ +#!/bin/bash +# description: system-wide failed syscalls, by pid +# args: [comm] +perf trace -s ~/libexec/perf-core/scripts/python/failed-syscalls-by-pid.py $1 diff --git a/tools/perf/scripts/python/bin/syscall-counts-by-pid-record b/tools/perf/scripts/python/bin/syscall-counts-by-pid-record new file mode 100644 index 00000000000..45a8c50359d --- /dev/null +++ b/tools/perf/scripts/python/bin/syscall-counts-by-pid-record @@ -0,0 +1,2 @@ +#!/bin/bash +perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter diff --git a/tools/perf/scripts/python/bin/syscall-counts-by-pid-report b/tools/perf/scripts/python/bin/syscall-counts-by-pid-report new file mode 100644 index 00000000000..f8044d19227 --- /dev/null +++ b/tools/perf/scripts/python/bin/syscall-counts-by-pid-report @@ -0,0 +1,4 @@ +#!/bin/bash +# description: system-wide syscall counts, by pid +# args: [comm] +perf trace -s ~/libexec/perf-core/scripts/python/syscall-counts-by-pid.py $1 diff --git a/tools/perf/scripts/python/bin/syscall-counts-record b/tools/perf/scripts/python/bin/syscall-counts-record new file mode 100644 index 00000000000..45a8c50359d --- /dev/null +++ b/tools/perf/scripts/python/bin/syscall-counts-record @@ -0,0 +1,2 @@ +#!/bin/bash +perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter diff --git a/tools/perf/scripts/python/bin/syscall-counts-report b/tools/perf/scripts/python/bin/syscall-counts-report new file mode 100644 index 00000000000..a366aa61612 --- /dev/null +++ b/tools/perf/scripts/python/bin/syscall-counts-report @@ -0,0 +1,4 @@ +#!/bin/bash +# description: system-wide syscall counts +# args: [comm] +perf trace -s ~/libexec/perf-core/scripts/python/syscall-counts.py $1 diff --git a/tools/perf/scripts/python/check-perf-trace.py b/tools/perf/scripts/python/check-perf-trace.py new file mode 100644 index 00000000000..964d934395f --- /dev/null +++ b/tools/perf/scripts/python/check-perf-trace.py @@ -0,0 +1,83 @@ +# perf trace event handlers, generated by perf trace -g python +# (c) 2010, Tom Zanussi +# Licensed under the terms of the GNU GPL License version 2 +# +# This script tests basic functionality such as flag and symbol +# strings, common_xxx() calls back into perf, begin, end, unhandled +# events, etc. Basically, if this script runs successfully and +# displays expected results, Python scripting support should be ok. + +import os +import sys + +sys.path.append(os.environ['PERF_EXEC_PATH'] + \ + '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') + +from Core import * +from perf_trace_context import * + +unhandled = autodict() + +def trace_begin(): + print "trace_begin" + pass + +def trace_end(): + print_unhandled() + +def irq__softirq_entry(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + vec): + print_header(event_name, common_cpu, common_secs, common_nsecs, + common_pid, common_comm) + + print_uncommon(context) + + print "vec=%s\n" % \ + (symbol_str("irq__softirq_entry", "vec", vec)), + +def kmem__kmalloc(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + call_site, ptr, bytes_req, bytes_alloc, + gfp_flags): + print_header(event_name, common_cpu, common_secs, common_nsecs, + common_pid, common_comm) + + print_uncommon(context) + + print "call_site=%u, ptr=%u, bytes_req=%u, " \ + "bytes_alloc=%u, gfp_flags=%s\n" % \ + (call_site, ptr, bytes_req, bytes_alloc, + + flag_str("kmem__kmalloc", "gfp_flags", gfp_flags)), + +def trace_unhandled(event_name, context, common_cpu, common_secs, common_nsecs, + common_pid, common_comm): + try: + unhandled[event_name] += 1 + except TypeError: + unhandled[event_name] = 1 + +def print_header(event_name, cpu, secs, nsecs, pid, comm): + print "%-20s %5u %05u.%09u %8u %-20s " % \ + (event_name, cpu, secs, nsecs, pid, comm), + +# print trace fields not included in handler args +def print_uncommon(context): + print "common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, " \ + % (common_pc(context), trace_flag_str(common_flags(context)), \ + common_lock_depth(context)) + +def print_unhandled(): + keys = unhandled.keys() + if not keys: + return + + print "\nunhandled events:\n\n", + + print "%-40s %10s\n" % ("event", "count"), + print "%-40s %10s\n" % ("----------------------------------------", \ + "-----------"), + + for event_name in keys: + print "%-40s %10d\n" % (event_name, unhandled[event_name]) diff --git a/tools/perf/scripts/python/failed-syscalls-by-pid.py b/tools/perf/scripts/python/failed-syscalls-by-pid.py new file mode 100644 index 00000000000..0ca02278fe6 --- /dev/null +++ b/tools/perf/scripts/python/failed-syscalls-by-pid.py @@ -0,0 +1,68 @@ +# failed system call counts, by pid +# (c) 2010, Tom Zanussi +# Licensed under the terms of the GNU GPL License version 2 +# +# Displays system-wide failed system call totals, broken down by pid. +# If a [comm] arg is specified, only syscalls called by [comm] are displayed. + +import os +import sys + +sys.path.append(os.environ['PERF_EXEC_PATH'] + \ + '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') + +from perf_trace_context import * +from Core import * + +usage = "perf trace -s syscall-counts-by-pid.py [comm]\n"; + +for_comm = None + +if len(sys.argv) > 2: + sys.exit(usage) + +if len(sys.argv) > 1: + for_comm = sys.argv[1] + +syscalls = autodict() + +def trace_begin(): + pass + +def trace_end(): + print_error_totals() + +def raw_syscalls__sys_exit(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + id, ret): + if for_comm is not None: + if common_comm != for_comm: + return + + if ret < 0: + try: + syscalls[common_comm][common_pid][id][ret] += 1 + except TypeError: + syscalls[common_comm][common_pid][id][ret] = 1 + +def print_error_totals(): + if for_comm is not None: + print "\nsyscall errors for %s:\n\n" % (for_comm), + else: + print "\nsyscall errors:\n\n", + + print "%-30s %10s\n" % ("comm [pid]", "count"), + print "%-30s %10s\n" % ("------------------------------", \ + "----------"), + + comm_keys = syscalls.keys() + for comm in comm_keys: + pid_keys = syscalls[comm].keys() + for pid in pid_keys: + print "\n%s [%d]\n" % (comm, pid), + id_keys = syscalls[comm][pid].keys() + for id in id_keys: + print " syscall: %-16d\n" % (id), + ret_keys = syscalls[comm][pid][id].keys() + for ret, val in sorted(syscalls[comm][pid][id].iteritems(), key = lambda(k, v): (v, k), reverse = True): + print " err = %-20d %10d\n" % (ret, val), diff --git a/tools/perf/scripts/python/syscall-counts-by-pid.py b/tools/perf/scripts/python/syscall-counts-by-pid.py new file mode 100644 index 00000000000..af722d6a4b3 --- /dev/null +++ b/tools/perf/scripts/python/syscall-counts-by-pid.py @@ -0,0 +1,64 @@ +# system call counts, by pid +# (c) 2010, Tom Zanussi +# Licensed under the terms of the GNU GPL License version 2 +# +# Displays system-wide system call totals, broken down by syscall. +# If a [comm] arg is specified, only syscalls called by [comm] are displayed. + +import os +import sys + +sys.path.append(os.environ['PERF_EXEC_PATH'] + \ + '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') + +from perf_trace_context import * +from Core import * + +usage = "perf trace -s syscall-counts-by-pid.py [comm]\n"; + +for_comm = None + +if len(sys.argv) > 2: + sys.exit(usage) + +if len(sys.argv) > 1: + for_comm = sys.argv[1] + +syscalls = autodict() + +def trace_begin(): + pass + +def trace_end(): + print_syscall_totals() + +def raw_syscalls__sys_enter(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + id, args): + if for_comm is not None: + if common_comm != for_comm: + return + try: + syscalls[common_comm][common_pid][id] += 1 + except TypeError: + syscalls[common_comm][common_pid][id] = 1 + +def print_syscall_totals(): + if for_comm is not None: + print "\nsyscall events for %s:\n\n" % (for_comm), + else: + print "\nsyscall events by comm/pid:\n\n", + + print "%-40s %10s\n" % ("comm [pid]/syscalls", "count"), + print "%-40s %10s\n" % ("----------------------------------------", \ + "----------"), + + comm_keys = syscalls.keys() + for comm in comm_keys: + pid_keys = syscalls[comm].keys() + for pid in pid_keys: + print "\n%s [%d]\n" % (comm, pid), + id_keys = syscalls[comm][pid].keys() + for id, val in sorted(syscalls[comm][pid].iteritems(), \ + key = lambda(k, v): (v, k), reverse = True): + print " %-38d %10d\n" % (id, val), diff --git a/tools/perf/scripts/python/syscall-counts.py b/tools/perf/scripts/python/syscall-counts.py new file mode 100644 index 00000000000..f977e85ff04 --- /dev/null +++ b/tools/perf/scripts/python/syscall-counts.py @@ -0,0 +1,58 @@ +# system call counts +# (c) 2010, Tom Zanussi +# Licensed under the terms of the GNU GPL License version 2 +# +# Displays system-wide system call totals, broken down by syscall. +# If a [comm] arg is specified, only syscalls called by [comm] are displayed. + +import os +import sys + +sys.path.append(os.environ['PERF_EXEC_PATH'] + \ + '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') + +from perf_trace_context import * +from Core import * + +usage = "perf trace -s syscall-counts.py [comm]\n"; + +for_comm = None + +if len(sys.argv) > 2: + sys.exit(usage) + +if len(sys.argv) > 1: + for_comm = sys.argv[1] + +syscalls = autodict() + +def trace_begin(): + pass + +def trace_end(): + print_syscall_totals() + +def raw_syscalls__sys_enter(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + id, args): + if for_comm is not None: + if common_comm != for_comm: + return + try: + syscalls[id] += 1 + except TypeError: + syscalls[id] = 1 + +def print_syscall_totals(): + if for_comm is not None: + print "\nsyscall events for %s:\n\n" % (for_comm), + else: + print "\nsyscall events:\n\n", + + print "%-40s %10s\n" % ("event", "count"), + print "%-40s %10s\n" % ("----------------------------------------", \ + "-----------"), + + for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \ + reverse = True): + print "%-40d %10d\n" % (id, val), -- cgit v1.2.3-70-g09d2