####################################################################
# Copyright (c) 2012, 2014 Ericsson
#
# All rights reserved. This program and the accompanying materials are
# made available under the terms of the Eclipse Public License v1.0 which
# accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html
#
# Contributors:
# Bernd Hufmann - Initial API and implementation
####################################################################
####################################################################
# Scenario: Initialize
####################################################################
Initialize
lttng version
0
lttng version 2.0.0 - Annedd'ale
Web site: http://lttng.org/
lttng is free software and under the GPL license and part LGPL
lttng list
0
Currently no available tracing session
lttng list -k
0
Kernel events
-------------
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint)
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint)
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint)
lttng list -u
0
UST events:
-------------
PID: 9379 - Name: /home/user/git/lttng-ust/tests/hello.cxx/.libs/lt-hello
ust_tests_hello:tptest_sighandler (loglevel: TRACE_WARNING (4)) (type: tracepoint)
ust_tests_hello:tptest (loglevel: TRACE_DEBUG_FUNCTION (12)) (type: tracepoint)
PID: 4852 - Name: /home/user/git/lttng-ust/tests/hello.cxx/.libs/lt-hello
ust_tests_hello:tptest_sighandler (loglevel: TRACE_WARNING (4)) (type: tracepoint)
ust_tests_hello:tptest (loglevel: TRACE_DEBUG_FUNCTION (12)) (type: tracepoint)
####################################################################
# Scenario: Create and destroy session
####################################################################
SessionHandling
lttng create mysession
0
Session mysession created.
Traces will be written in /home/user/lttng-traces/mysession-20120314-132824
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
lttng destroy mysession
0
Session mysession destroyed.
lttng start mysession
0
Tracing started for session mysession.
lttng stop mysession
0
Tracing stopped for session mysession.
####################################################################
# Scenario: Create and destroy session
####################################################################
SessionHandlingWithPath
lttng create mysession -o /home/user/temp
0
Session mysession created.
Traces will be written in /home/user/temp
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/temp
lttng destroy mysession
0
Session mysession destroyed.
####################################################################
# Scenario: Enable events from kernel provider events
####################################################################
Scenario1
lttng enable-event sched_kthread_stop,sched_kthread_stop_ret -k -s mysession --tracepoint
0
kernel event sched_kthread_stop created in channel channel0
kernel sched_kthread_stop_ret created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng disable-event sched_kthread_stop_ret,sched_kthread_stop -k -s mysession -c channel0
0
kernel event sched_kthread_stop_ret disabled in channel channel0
kernel event sched_kthread_stop disabled in channel channel0
lttng enable-event sched_kthread_stop -k -s mysession -c channel0 --tracepoint
0
kernel event sched_kthread_stop enabled in channel channel0
####################################################################
# Scenario: Enable events from UST provider events
####################################################################
Scenario2
lttng enable-channel mychannel -u -s mysession --subbuf-size 16384 --num-subbuf 2 --switch-timer 200 --read-timer 100
0
UST channel mychannel enabled for session mysession
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/temp
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 16384
number of subbufers: 2
switch timer interval: 200
read timer interval: 100
output: mmap()
Events:
None
lttng enable-event ust_tests_hello:tptest_sighandler,ust_tests_hello:tptest -u -s mysession --tracepoint
0
UST event ust_tests_hello:tptest_sighandler in channel channel0
UST sched_ust_tests_hello:tptest created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/temp
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 16384
number of subbufers: 2
switch timer interval: 200
read timer interval: 100
output: mmap()
Events:
ust_tests_hello:tptest_sighandler (type: tracepoint) [enabled]
ust_tests_hello:tptest (type: tracepoint) [enabled]
lttng disable-event ust_tests_hello:tptest -u -s mysession -c mychannel
0
kernel event ust_tests_hello:tptest in channel mychannel
lttng enable-event ust_tests_hello:tptest -u -s mysession -c mychannel --tracepoint
0
kernel event ust_tests_hello:tptest enabled in channel mychannel
Scenario3
lttng enable-channel mychannel -k -s mysession --overwrite --subbuf-size 16384 --num-subbuf 4 --switch-timer 100 --read-timer 200
0
Kernel channel mychannel enabled for session mysession
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
None
lttng enable-channel mychannel2 -k -s mysession --subbuf-size 32768 --num-subbuf 2 --switch-timer 100 --read-timer 200
0
Kernel channel mychannel2 enabled for session mysession
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
None
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
None
lttng disable-channel mychannel,mychannel2 -k -s mysession
0
Kernel channel mychannel disabled for session mysession
Kernel channel mychannel2 disabled for session mysession
lttng enable-channel mychannel,mychannel2 -k -s mysession
0
Kernel channel mychannel enabled for session mysession
Kernel channel mychannel2 enabled for session mysession
lttng enable-event sched_kthread_stop,sched_kthread_stop_ret -k -s mysession --tracepoint
0
kernel event sched_kthread_stop created in channel channel0
kernel sched_kthread_stop_ret created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
None
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
None
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event sched_wakeup_new -k -s mysession --tracepoint
0
kernel event sched_wakeup_new created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
None
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
None
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event -a -k -s mysession -c mychannel2 --tracepoint
0
All kernel event sched_kthread_stop created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
None
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event -a -k -s mysession -c mychannel --syscall
0
All kernel system calls are enabled in channel mychannel
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event -a -k -s mysession --syscall
0
All kernel system calls are enabled in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event -a -k -s mysession --syscall
0
All kernel system calls are enabled in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event myevent1 -k -s mysession --probe 0xc0101280
0
kernel event myevent1 created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent1 (type: probe) [enabled]
addr: 0xc0101280
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event myevent2 -k -s mysession -c channel0 --probe init_post
0
kernel event myevent2 created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent2 (type: probe) [enabled]
offset: 0x0
symbol: init_post
myevent1 (type: probe) [enabled]
addr: 0xc0101280
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event myevent3 -k -s mysession --probe init_post:0x1000
0
kernel event myevent2 created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent3 (type: probe) [enabled]
offset: 0x1000
symbol: init_post
myevent2 (type: probe) [enabled]
offset: 0x0
symbol: init_post
myevent1 (type: probe) [enabled]
addr: 0xc0101280
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event myevent4 -k -s mysession --function create_dev
0
kernel event myevent4 created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent4 (type: function) [enabled]
offset: 0x0
symbol: create_dev
myevent3 (type: probe) [enabled]
offset: 0x1000
symbol: init_post
myevent2 (type: probe) [enabled]
offset: 0x0
symbol: init_post
myevent1 (type: probe) [enabled]
addr: 0xc0101280
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event myevent5 -k -s mysession --function create_dev:0x2000
0
kernel event myevent5 created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent5 (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
myevent4 (type: function) [enabled]
offset: 0x0
symbol: create_dev
myevent3 (type: probe) [enabled]
offset: 0x1000
symbol: init_post
myevent2 (type: probe) [enabled]
offset: 0x0
symbol: init_post
myevent1 (type: probe) [enabled]
addr: 0xc0101280
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng enable-event myevent -k -s mysession -c mychannel --function create_dev:0x2000
0
kernel event myevent created in channel mychannel
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
myevent (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent5 (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
myevent4 (type: function) [enabled]
offset: 0x0
symbol: create_dev
myevent3 (type: probe) [enabled]
offset: 0x1000
symbol: init_post
myevent2 (type: probe) [enabled]
offset: 0x0
symbol: init_post
myevent1 (type: probe) [enabled]
addr: 0xc0101280
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng list
0
Available tracing sessions:
1) mysession (/home/eedbhu/lttng-traces/mysession-20120321-115617) [inactive]
Use lttng list for more details
lttng list -k
0
Kernel events
-------------
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint)
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint)
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint)
lttng list -u
0
UST events:
-------------
PID: 9379 - Name: /home/user/git/lttng-ust/tests/hello.cxx/.libs/lt-hello
ust_tests_hello:tptest_sighandler (loglevel: TRACE_WARNING (4)) (type: tracepoint)
ust_tests_hello:tptest (loglevel: TRACE_DEBUG_FUNCTION (12)) (type: tracepoint)
PID: 4852 - Name: /home/user/git/lttng-ust/tests/hello.cxx/.libs/lt-hello
ust_tests_hello:tptest_sighandler (loglevel: TRACE_WARNING (4)) (type: tracepoint)
ust_tests_hello:tptest (loglevel: TRACE_DEBUG_FUNCTION (12)) (type: tracepoint)
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
myevent (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent5 (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
myevent4 (type: function) [enabled]
offset: 0x0
symbol: create_dev
myevent3 (type: probe) [enabled]
offset: 0x1000
symbol: init_post
myevent2 (type: probe) [enabled]
offset: 0x0
symbol: init_post
myevent1 (type: probe) [enabled]
addr: 0xc0101280
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng add-context -h
0
usage: lttng add-context -t TYPE
If no channel and no event is given (-c/-e), the context
will be added to all events and all channels.
Otherwise the context will be added only to the channel (-c)
and/or event (-e) indicated.
Exactly one domain (-k/--kernel or -u/--userspace) must be specified.
Options:
-h, --help Show this help
--list-options Simple listing of options
-s, --session NAME Apply to session name
-c, --channel NAME Apply to channel
-e, --event NAME Apply to event
-k, --kernel Apply to the kernel tracer
-u, --userspace Apply to the user-space tracer
-t, --type TYPE Context type. You can repeat that option on
the command line to specify multiple contexts at once.
(--kernel preempts --userspace)
TYPE can be one of the strings below:
pid, procname, prio, nice, vpid, tid, pthread_id,
vtid, ppid, vppid, perf:cpu-cycles, perf:cycles,
perf:stalled-cycles-frontend,
perf:idle-cycles-frontend,
perf:stalled-cycles-backend,
perf:idle-cycles-backend, perf:instructions,
perf:cache-references, perf:cache-misses,
perf:branch-instructions, perf:branches,
perf:branch-misses, perf:bus-cycles,
perf:L1-dcache-loads, perf:L1-dcache-load-misses,
perf:L1-dcache-stores,
perf:L1-dcache-store-misses,
perf:L1-dcache-prefetches,
perf:L1-dcache-prefetch-misses,
perf:L1-icache-loads, perf:L1-icache-load-misses,
perf:L1-icache-stores,
perf:L1-icache-store-misses,
perf:L1-icache-prefetches,
perf:L1-icache-prefetch-misses, perf:LLC-loads,
perf:LLC-load-misses, perf:LLC-stores,
perf:LLC-store-misses, perf:LLC-prefetches,
perf:LLC-prefetch-misses, perf:dTLB-loads,
perf:dTLB-load-misses, perf:dTLB-stores,
perf:dTLB-store-misses, perf:dTLB-prefetches,
perf:dTLB-prefetch-misses, perf:iTLB-loads,
perf:iTLB-load-misses, perf:branch-loads,
perf:branch-load-misses, perf:cpu-clock,
perf:task-clock, perf:page-fault, perf:faults,
perf:major-faults, perf:minor-faults,
perf:context-switches, perf:cs,
perf:cpu-migrations, perf:migrations,
perf:alignment-faults, perf:emulation-faults
Example:
This command will add the context information 'prio' and two perf
counters (hardware branch misses and cache misses), to all events
in the trace data output:
# lttng add-context -k -t prio -t perf:branch-misses -t perf:cache-misses
lttng add-context -s mysession -k -t prio -t perf:branch-misses -t perf:cache-misses
0
kernel context perf:cache-misses added to all channels
kernel context perf:branch-misses added to all channels
kernel context prio added to all channels
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
myevent (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent5 (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
myevent4 (type: function) [enabled]
offset: 0x0
symbol: create_dev
myevent3 (type: probe) [enabled]
offset: 0x1000
symbol: init_post
myevent2 (type: probe) [enabled]
offset: 0x0
symbol: init_post
myevent1 (type: probe) [enabled]
addr: 0xc0101280
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng add-context -h
0
usage: lttng add-context -t TYPE
If no channel and no event is given (-c/-e), the context
will be added to all events and all channels.
Otherwise the context will be added only to the channel (-c)
and/or event (-e) indicated.
Exactly one domain (-k/--kernel or -u/--userspace) must be specified.
Options:
-h, --help Show this help
--list-options Simple listing of options
-s, --session NAME Apply to session name
-c, --channel NAME Apply to channel
-e, --event NAME Apply to event
-k, --kernel Apply to the kernel tracer
-u, --userspace Apply to the user-space tracer
-t, --type TYPE Context type. You can repeat that option on
the command line to specify multiple contexts at once.
(--kernel preempts --userspace)
TYPE can be one of the strings below:
pid, procname, prio, nice, vpid, tid, pthread_id,
vtid, ppid, vppid, perf:cpu-cycles, perf:cycles,
perf:stalled-cycles-frontend,
perf:idle-cycles-frontend,
perf:stalled-cycles-backend,
perf:idle-cycles-backend, perf:instructions,
perf:cache-references, perf:cache-misses,
perf:branch-instructions, perf:branches,
perf:branch-misses, perf:bus-cycles,
perf:L1-dcache-loads, perf:L1-dcache-load-misses,
perf:L1-dcache-stores,
perf:L1-dcache-store-misses,
perf:L1-dcache-prefetches,
perf:L1-dcache-prefetch-misses,
perf:L1-icache-loads, perf:L1-icache-load-misses,
perf:L1-icache-stores,
perf:L1-icache-store-misses,
perf:L1-icache-prefetches,
perf:L1-icache-prefetch-misses, perf:LLC-loads,
perf:LLC-load-misses, perf:LLC-stores,
perf:LLC-store-misses, perf:LLC-prefetches,
perf:LLC-prefetch-misses, perf:dTLB-loads,
perf:dTLB-load-misses, perf:dTLB-stores,
perf:dTLB-store-misses, perf:dTLB-prefetches,
perf:dTLB-prefetch-misses, perf:iTLB-loads,
perf:iTLB-load-misses, perf:branch-loads,
perf:branch-load-misses, perf:cpu-clock,
perf:task-clock, perf:page-fault, perf:faults,
perf:major-faults, perf:minor-faults,
perf:context-switches, perf:cs,
perf:cpu-migrations, perf:migrations,
perf:alignment-faults, perf:emulation-faults
Example:
This command will add the context information 'prio' and two perf
counters (hardware branch misses and cache misses), to all events
in the trace data output:
# lttng add-context -k -t prio -t perf:branch-misses -t perf:cache-misses
lttng add-context -s mysession -c mychannel -k -t prio -t perf:branch-misses -t perf:cache-misses
0
kernel context perf:cache-misses added to channel mychannel
kernel context perf:branch-misses added to channel mychannel
kernel context prio added to channel mychannel
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
myevent (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent5 (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
myevent4 (type: function) [enabled]
offset: 0x0
symbol: create_dev
myevent3 (type: probe) [enabled]
offset: 0x1000
symbol: init_post
myevent2 (type: probe) [enabled]
offset: 0x0
symbol: init_post
myevent1 (type: probe) [enabled]
addr: 0xc0101280
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng add-context -h
0
usage: lttng add-context -t TYPE
If no channel and no event is given (-c/-e), the context
will be added to all events and all channels.
Otherwise the context will be added only to the channel (-c)
and/or event (-e) indicated.
Exactly one domain (-k/--kernel or -u/--userspace) must be specified.
Options:
-h, --help Show this help
--list-options Simple listing of options
-s, --session NAME Apply to session name
-c, --channel NAME Apply to channel
-e, --event NAME Apply to event
-k, --kernel Apply to the kernel tracer
-u, --userspace Apply to the user-space tracer
-t, --type TYPE Context type. You can repeat that option on
the command line to specify multiple contexts at once.
(--kernel preempts --userspace)
TYPE can be one of the strings below:
pid, procname, prio, nice, vpid, tid, pthread_id,
vtid, ppid, vppid, perf:cpu-cycles, perf:cycles,
perf:stalled-cycles-frontend,
perf:idle-cycles-frontend,
perf:stalled-cycles-backend,
perf:idle-cycles-backend, perf:instructions,
perf:cache-references, perf:cache-misses,
perf:branch-instructions, perf:branches,
perf:branch-misses, perf:bus-cycles,
perf:L1-dcache-loads, perf:L1-dcache-load-misses,
perf:L1-dcache-stores,
perf:L1-dcache-store-misses,
perf:L1-dcache-prefetches,
perf:L1-dcache-prefetch-misses,
perf:L1-icache-loads, perf:L1-icache-load-misses,
perf:L1-icache-stores,
perf:L1-icache-store-misses,
perf:L1-icache-prefetches,
perf:L1-icache-prefetch-misses, perf:LLC-loads,
perf:LLC-load-misses, perf:LLC-stores,
perf:LLC-store-misses, perf:LLC-prefetches,
perf:LLC-prefetch-misses, perf:dTLB-loads,
perf:dTLB-load-misses, perf:dTLB-stores,
perf:dTLB-store-misses, perf:dTLB-prefetches,
perf:dTLB-prefetch-misses, perf:iTLB-loads,
perf:iTLB-load-misses, perf:branch-loads,
perf:branch-load-misses, perf:cpu-clock,
perf:task-clock, perf:page-fault, perf:faults,
perf:major-faults, perf:minor-faults,
perf:context-switches, perf:cs,
perf:cpu-migrations, perf:migrations,
perf:alignment-faults, perf:emulation-faults
Example:
This command will add the context information 'prio' and two perf
counters (hardware branch misses and cache misses), to all events
in the trace data output:
# lttng add-context -k -t prio -t perf:branch-misses -t perf:cache-misses
lttng add-context -s mysession -c channel0 -e sched_kthread_stop_ret -k -t prio -t perf:branch-misses -t perf:cache-misses
0
kernel context perf:cache-misses added to event sched_kthread_stop_ret channel mychannel
kernel context perf:branch-misses added to event sched_kthread_stop_ret channel mychannel
kernel context prio added to channel event sched_kthread_stop_ret mychannel
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: Kernel ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
myevent (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
syscalls (type: syscall) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: splice()
Events:
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent5 (type: probe) [enabled]
offset: 0x2000
symbol: create_dev
myevent4 (type: function) [enabled]
offset: 0x0
symbol: create_dev
myevent3 (type: probe) [enabled]
offset: 0x1000
symbol: init_post
myevent2 (type: probe) [enabled]
offset: 0x0
symbol: init_post
myevent1 (type: probe) [enabled]
addr: 0xc0101280
syscalls (type: syscall) [enabled]
sched_kthread_stop_ret (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_kthread_stop (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
sched_wakeup_new (loglevel: TRACE_EMERG (0)) (type: tracepoint) [enabled]
lttng calibrate -k --function
0
Kernel calibration done
Scenario4
lttng enable-channel mychannel -u -s mysession --overwrite --subbuf-size 16384 --num-subbuf 4 --switch-timer 100 --read-timer 200
0
UST channel mychannel enabled for session mysession
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
None
lttng enable-channel mychannel2 -u -s mysession --subbuf-size 32768 --num-subbuf 2 --switch-timer 100 --read-timer 200
0
UST channel mychannel2 enabled for session mysession
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
None
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
None
lttng enable-event ust_tests_hello:tptest_sighandler -u -s mysession --tracepoint
0
UST event ust_tests_hello:tptest_sighandler created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
None
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
None
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: mmap()
Events:
ust_tests_hello:tptest_sighandler (type: tracepoint) [enabled]
lttng enable-event ust_tests_hello:tptest -u -s mysession --tracepoint
0
UST event ust_tests_hello:tptest created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
None
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
None
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: mmap()
Events:
ust_tests_hello:tptest_sighandler (type: tracepoint) [enabled]
ust_tests_hello:tptest (type: tracepoint) [enabled]
lttng enable-event -a -u -s mysession -c mychannel2 --tracepoint
0
All UST events created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
None
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
* (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: mmap()
Events:
ust_tests_hello:tptest_sighandler (type: tracepoint) [enabled]
ust_tests_hello:tptest (type: tracepoint) [enabled]
lttng enable-event ust* -u -s mysession -c mychannel --tracepoint
0
UST event ust* created in channel mychannel
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
ust* (type: tracepoint) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
* (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: mmap()
Events:
ust_tests_hello:tptest_sighandler (type: tracepoint) [enabled]
ust_tests_hello:tptest (type: tracepoint) [enabled]
lttng enable-event ust* -u -s mysession --tracepoint
0
UST event ust* created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
ust* (type: tracepoint) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
* (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: mmap()
Events:
ust* (type: tracepoint) [enabled]
ust_tests_hello:tptest_sighandler (type: tracepoint) [enabled]
ust_tests_hello:tptest (type: tracepoint) [enabled]
lttng enable-event "u*" -u -s mysession --tracepoint
0
UST event u* created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
ust* (type: tracepoint) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
* (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: mmap()
Events:
u* (type: tracepoint) [enabled]
ust* (type: tracepoint) [enabled]
ust_tests_hello:tptest_sighandler (type: tracepoint) [enabled]
ust_tests_hello:tptest (type: tracepoint) [enabled]
lttng enable-event myevent1 -u -s mysession --loglevel TRACE_WARNING
0
UST event myevent1 created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
ust* (type: tracepoint) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
* (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent1 (loglevel <= TRACE_WARNING (4)) (type: tracepoint) [enabled]
u* (type: tracepoint) [enabled]
ust* (type: tracepoint) [enabled]
ust_tests_hello:tptest_sighandler (type: tracepoint) [enabled]
ust_tests_hello:tptest (type: tracepoint) [enabled]
lttng enable-event myevent2 -u -s mysession --loglevel-only TRACE_DEBUG_FUNCTION
0
UST event myevent2 created in channel channel0
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
ust* (type: tracepoint) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
* (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent2 (loglevel == TRACE_DEBUG_FUNCTION (12)) (type: tracepoint) [enabled]
myevent1 (loglevel <= TRACE_WARNING (4)) (type: loglevel) [enabled]
u* (type: tracepoint) [enabled]
ust* (type: tracepoint) [enabled]
ust_tests_hello:tptest_sighandler (type: tracepoint) [enabled]
ust_tests_hello:tptest (type: tracepoint) [enabled]
lttng enable-event myevent0 -u -s mysession -c mychannel --loglevel-only TRACE_DEBUG_FUNCTION
0
UST event myevent0 created in channel mychannel
lttng list mysession
0
Tracing session mysession: [inactive]
Trace path: /home/user/lttng-traces/mysession-20120314-132824
=== Domain: UST global ===
Channels:
-------------
- mychannel: [enabled]
Attributes:
overwrite mode: 1
subbufers size: 16384
number of subbufers: 4
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
myevent0 (loglevel <= TRACE_DEBUG_FUNCTION (12)) (type: tracepoint) [enabled]
ust* (type: tracepoint) [enabled]
- mychannel2: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 32768
number of subbufers: 2
switch timer interval: 100
read timer interval: 200
output: mmap()
Events:
* (type: tracepoint) [enabled]
- channel0: [enabled]
Attributes:
overwrite mode: 0
subbufers size: 262144
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: splice()
Events:
myevent2 (loglevel <= TRACE_DEBUG_FUNCTION (12)) (type: tracepoint) [enabled]
myevent1 (loglevel == TRACE_WARNING (4)) (type: loglevel) [enabled]
u* (type: tracepoint) [enabled]
ust* (type: tracepoint) [enabled]
ust_tests_hello:tptest_sighandler (type: tracepoint) [enabled]
ust_tests_hello:tptest (type: tracepoint) [enabled]