From: tip-bot for Tom Zanussi <tzanussi@gmail.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, acme@redhat.com, paulus@samba.org,
hpa@zytor.com, mingo@redhat.com, tzanussi@gmail.com,
a.p.zijlstra@chello.nl, fweisbec@gmail.com, rostedt@goodmis.org,
k-keiichi@bx.jp.nec.com, tglx@linutronix.de, mingo@elte.hu
Subject: [tip:perf/core] perf/scripts: Add syscall tracing scripts
Date: Thu, 25 Feb 2010 10:08:11 GMT [thread overview]
Message-ID: <tip-4d161f0360d00d46a89827b3fd6da395f00c5d90@git.kernel.org> (raw)
In-Reply-To: <1264580883-15324-8-git-send-email-tzanussi@gmail.com>
Commit-ID: 4d161f0360d00d46a89827b3fd6da395f00c5d90
Gitweb: http://git.kernel.org/tip/4d161f0360d00d46a89827b3fd6da395f00c5d90
Author: Tom Zanussi <tzanussi@gmail.com>
AuthorDate: Wed, 27 Jan 2010 02:27:58 -0600
Committer: Frederic Weisbecker <fweisbec@gmail.com>
CommitDate: Thu, 25 Feb 2010 04:07:48 +0100
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 <tzanussi@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Keiichi KII <k-keiichi@bx.jp.nec.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1264580883-15324-8-git-send-email-tzanussi@gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
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 deletions(-)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 1427316..54a5b50 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 3c15744..e6cb147 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 0000000..f8885d3
--- /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 0000000..8bfc660
--- /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 $1
diff --git a/tools/perf/scripts/perl/failed-syscalls.pl b/tools/perf/scripts/perl/failed-syscalls.pl
new file mode 100644
index 0000000..c18e7e2
--- /dev/null
+++ b/tools/perf/scripts/perl/failed-syscalls.pl
@@ -0,0 +1,38 @@
+# failed system call counts
+# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
+# Licensed under the terms of the GNU GPL License version 2
+#
+# Displays system-wide failed system call totals
+# If a [comm] arg is specified, only syscalls called by [comm] are displayed.
+
+use lib "$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 0000000..f8885d3
--- /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 0000000..1e0c0a8
--- /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 0000000..45a8c50
--- /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 0000000..f8044d1
--- /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 0000000..45a8c50
--- /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 0000000..a366aa6
--- /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 0000000..964d934
--- /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 <tzanussi@gmail.com>
+# 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 0000000..0ca0227
--- /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 <tzanussi@gmail.com>
+# 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 0000000..af722d6
--- /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 <tzanussi@gmail.com>
+# 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 0000000..f977e85
--- /dev/null
+++ b/tools/perf/scripts/python/syscall-counts.py
@@ -0,0 +1,58 @@
+# system call counts
+# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
+# 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),
next prev parent reply other threads:[~2010-02-25 10:09 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-27 8:27 [PATCH 00/12] perf trace: Python scripting support Tom Zanussi
2010-01-27 8:27 ` [PATCH 01/12] perf trace/scripting: Fix supported language listing option Tom Zanussi
2010-02-25 10:06 ` [tip:perf/core] perf/scripts: " tip-bot for Tom Zanussi
2010-01-27 8:27 ` [PATCH 02/12] perf trace/scripting: fix bug in Util.pm Tom Zanussi
2010-02-25 10:06 ` [tip:perf/core] perf/scripts: Fix " tip-bot for Tom Zanussi
2010-01-27 8:27 ` [PATCH 03/12] perf trace/scripting: move common code out of Perl-specific files Tom Zanussi
2010-02-25 10:07 ` [tip:perf/core] perf/scripts: Move " tip-bot for Tom Zanussi
2010-01-27 8:27 ` [PATCH 04/12] perf trace/scripting: move Perl scripting files to scripting-engines dir Tom Zanussi
2010-02-25 10:07 ` [tip:perf/core] perf/scripts: Move " tip-bot for Tom Zanussi
2010-01-27 8:27 ` [PATCH 05/12] perf trace/scripting: remove check-perf-trace from listed scripts Tom Zanussi
2010-02-22 1:51 ` Frederic Weisbecker
2010-02-25 10:07 ` [tip:perf/core] perf/scripts: Remove " tip-bot for Tom Zanussi
2010-02-25 10:07 ` [tip:perf/core] perf/scripts: Add Python scripting engine tip-bot for Tom Zanussi
2010-01-27 8:27 ` [PATCH 06/12] perf trace/scripting: add " Tom Zanussi
2010-02-22 2:27 ` Frederic Weisbecker
2010-02-22 7:12 ` Tom Zanussi
2010-02-25 10:08 ` [tip:perf/core] perf/scripts: Remove unnecessary PyTuple resizes tip-bot for Tom Zanussi
2010-01-27 8:27 ` [PATCH 07/12] perf trace/scripting: add syscall tracing scripts Tom Zanussi
2010-02-25 10:08 ` tip-bot for Tom Zanussi [this message]
2010-01-27 8:27 ` [PATCH 08/12] perf: export some syscall metadata Tom Zanussi
2010-02-23 21:44 ` Frederic Weisbecker
2010-02-24 6:00 ` Tom Zanussi
2010-02-25 1:52 ` Frederic Weisbecker
2010-02-25 6:09 ` Tom Zanussi
2010-02-25 2:43 ` Frederic Weisbecker
2010-02-25 6:51 ` Tom Zanussi
2010-03-27 0:37 ` Frederic Weisbecker
2010-03-28 5:18 ` Tom Zanussi
2010-01-27 8:28 ` [PATCH 09/12] perf tools: save syscall map Tom Zanussi
2010-01-27 8:28 ` [PATCH 10/12] perf trace/scripting: make the syscall map available as a Python dict Tom Zanussi
2010-01-27 8:28 ` [PATCH 11/12] perf trace/scripting: make the syscall map available as a Perl hash Tom Zanussi
2010-01-27 8:28 ` [PATCH 12/12] perf trace/scripting: add perf-trace-python Documentation Tom Zanussi
2010-02-25 1:37 ` Frederic Weisbecker
2010-02-25 6:06 ` Tom Zanussi
2010-02-25 10:08 ` [tip:perf/core] perf/scripts: Add " tip-bot for Tom Zanussi
2010-02-19 21:37 ` [PATCH 00/12] perf trace: Python scripting support Frederic Weisbecker
2010-02-20 21:51 ` Tom Zanussi
2010-02-23 17:31 ` Frederic Weisbecker
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