diff options
| -rw-r--r-- | tests/test_idle.py | 68 | ||||
| -rw-r--r-- | tests/trace_empty.txt | 15 | ||||
| -rw-r--r-- | tests/trace_idle.dat | bin | 0 -> 3301376 bytes | |||
| -rw-r--r-- | trappy/idle.py | 31 |
4 files changed, 99 insertions, 15 deletions
diff --git a/tests/test_idle.py b/tests/test_idle.py new file mode 100644 index 0000000..dec1b43 --- /dev/null +++ b/tests/test_idle.py @@ -0,0 +1,68 @@ +# Copyright 2016 ARM Limited +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +import os +import sys +import unittest + +import pandas as pd +from pandas.util.testing import assert_series_equal + +import utils_tests +import trappy + +@unittest.skipUnless(utils_tests.trace_cmd_installed(), + "trace-cmd not installed") +class TestCpuIdle(utils_tests.SetupDirectory): + def __init__(self, *args, **kwargs): + super(TestCpuIdle, self).__init__( + [("trace_idle.dat", "trace.dat")], + *args, + **kwargs) + + def test_get_dataframe(self): + """Test that CpuIdle creates a proper data_frame""" + + df = trappy.FTrace(normalize_time=False).cpu_idle.data_frame + + exp_index = pd.Float64Index([ + 162534.215764, + 162534.216001, + 162534.216552, + 162534.216568, + 162534.217401, + 162534.217521, + 162534.217655, + 162534.219077, + 162534.219252, + 162534.219268, + 162534.219329, + 162534.219336, + 162534.219587, + 162534.219763, + 162534.219853, + 162534.220947, + 162534.220947 + ], name="Time") + + exp_states = pd.Series([ + 2, -1, 2, -1, -1, -1, 2, -1, 2, -1, 0, 0, 2, -1, 2, -1, -1 + ], index=exp_index, name="state") + exp_cpus = pd.Series([ + 5, 2, 2, 1, 3, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 3, 1 + ], index=exp_index, name="cpu_id") + + assert_series_equal(df["state"], exp_states, check_exact=True) + assert_series_equal(df["cpu_id"], exp_cpus, check_exact=True) diff --git a/tests/trace_empty.txt b/tests/trace_empty.txt index 26e18be..b35ba6f 100644 --- a/tests/trace_empty.txt +++ b/tests/trace_empty.txt @@ -5,7 +5,6 @@ cpus=5 trace-cmd-2461 [000] 34.896972: sched_wakeup: sshd:2450 [120] success=1 CPU:000 trace-cmd-2461 [000] 34.897022: sched_stat_wait: comm=sshd pid=2450 delay=0 [ns] trace-cmd-2461 [000] 34.897053: sched_switch: trace-cmd:2461 [120] R ==> sshd:2450 [120] - <idle>-0 [001] 34.897119: cpu_idle: state=4294967295 cpu_id=1 <idle>-0 [001] 34.897147: sched_stat_wait: comm=rcuos/0 pid=9 delay=0 [ns] <idle>-0 [001] 34.897153: sched_switch: swapper/1:0 [120] R ==> rcuos/0:9 [120] rcuos/0-9 [001] 34.897169: sched_stat_runtime: comm=sshd pid=2450 runtime=258292 [ns] vruntime=6078688361 [ns] @@ -13,7 +12,6 @@ cpus=5 rcuos/0-9 [001] 34.897182: sched_wakeup: rcu_sched:7 [120] success=1 CPU:000 rcuos/0-9 [001] 34.897186: sched_stat_runtime: comm=rcuos/0 pid=9 runtime=445750 [ns] vruntime=6730976621 [ns] rcuos/0-9 [001] 34.897230: sched_switch: rcuos/0:9 [120] S ==> swapper/1:0 [120] - <idle>-0 [001] 34.897254: cpu_idle: state=1 cpu_id=1 sshd-2450 [000] 34.897303: sched_stat_runtime: comm=sshd pid=2450 runtime=134042 [ns] vruntime=6078822403 [ns] sshd-2450 [000] 34.897313: sched_stat_wait: comm=rcu_sched pid=7 delay=134042 [ns] sshd-2450 [000] 34.897319: sched_switch: sshd:2450 [120] S ==> rcu_sched:7 [120] @@ -27,28 +25,22 @@ cpus=5 trace-cmd-2461 [000] 34.897703: sched_wakeup: bash:2459 [120] success=1 CPU:001 trace-cmd-2461 [000] 34.897708: sched_stat_runtime: comm=trace-cmd pid=2461 runtime=33500 [ns] vruntime=6087809903 [ns] trace-cmd-2461 [000] 34.897738: sched_switch: trace-cmd:2461 [120] x ==> swapper/0:0 [120] - <idle>-0 [000] 34.897749: cpu_idle: state=0 cpu_id=0 - <idle>-0 [001] 34.898057: cpu_idle: state=4294967295 cpu_id=1 <idle>-0 [001] 34.898076: sched_stat_wait: comm=bash pid=2459 delay=0 [ns] <idle>-0 [001] 34.898082: sched_switch: swapper/1:0 [120] R ==> bash:2459 [120] bash-2459 [001] 34.898188: sched_process_wait: comm=bash pid=0 prio=120 bash-2459 [001] 34.898653: sched_process_exit: comm=bash pid=2459 prio=120 bash-2459 [001] 34.898702: sched_stat_sleep: comm=sshd pid=2450 delay=1394541 [ns] bash-2459 [001] 34.898708: sched_wakeup: sshd:2450 [120] success=1 CPU:000 - <idle>-0 [000] 34.898709: cpu_idle: state=4294967295 cpu_id=0 <idle>-0 [000] 34.898720: sched_stat_wait: comm=sshd pid=2450 delay=0 [ns] bash-2459 [001] 34.898721: sched_stat_runtime: comm=bash pid=2459 runtime=1027542 [ns] vruntime=6723004163 [ns] <idle>-0 [000] 34.898726: sched_switch: swapper/0:0 [120] R ==> sshd:2450 [120] bash-2459 [001] 34.898732: sched_stat_runtime: comm=bash pid=2459 runtime=11000 [ns] vruntime=6723015163 [ns] bash-2459 [001] 34.898745: sched_stat_runtime: comm=bash pid=2459 runtime=13458 [ns] vruntime=6723028621 [ns] bash-2459 [001] 34.898758: sched_switch: bash:2459 [120] x ==> swapper/1:0 [120] - <idle>-0 [001] 34.898776: cpu_idle: state=1 cpu_id=1 sshd-2450 [000] 34.898825: sched_process_wait: comm=sshd pid=0 prio=120 sshd-2450 [000] 34.898927: sched_process_wait: comm=sshd pid=0 prio=120 sshd-2450 [000] 34.898983: sched_stat_runtime: comm=sshd pid=2450 runtime=285875 [ns] vruntime=6079108278 [ns] sshd-2450 [000] 34.898996: sched_switch: sshd:2450 [120] S ==> swapper/0:0 [120] - <idle>-0 [000] 34.899005: cpu_idle: state=0 cpu_id=0 - <idle>-0 [000] 34.899122: cpu_idle: state=4294967295 cpu_id=0 <idle>-0 [000] 34.899144: sched_stat_sleep: comm=rcu_sched pid=7 delay=1810584 [ns] <idle>-0 [000] 34.899149: sched_wakeup: rcu_sched:7 [120] success=1 CPU:000 <idle>-0 [000] 34.899175: sched_stat_wait: comm=rcu_sched pid=7 delay=0 [ns] @@ -57,29 +49,22 @@ cpus=5 rcu_sched-7 [000] 34.899200: sched_wakeup: rcuos/0:9 [120] success=1 CPU:001 rcu_sched-7 [000] 34.899205: sched_stat_runtime: comm=rcu_sched pid=7 runtime=65375 [ns] vruntime=6078875278 [ns] rcu_sched-7 [000] 34.899216: sched_switch: rcu_sched:7 [120] S ==> swapper/0:0 [120] - <idle>-0 [000] 34.899225: cpu_idle: state=1 cpu_id=0 - <idle>-0 [001] 34.899572: cpu_idle: state=4294967295 cpu_id=1 <idle>-0 [001] 34.899620: sched_stat_wait: comm=rcuos/0 pid=9 delay=0 [ns] <idle>-0 [001] 34.899628: sched_switch: swapper/1:0 [120] R ==> rcuos/0:9 [120] rcuos/0-9 [001] 34.899770: sched_stat_sleep: comm=rcu_sched pid=7 delay=538708 [ns] rcuos/0-9 [001] 34.899807: sched_wakeup: rcu_sched:7 [120] success=1 CPU:000 rcuos/0-9 [001] 34.899848: sched_stat_runtime: comm=rcuos/0 pid=9 runtime=653458 [ns] vruntime=6731630079 [ns] rcuos/0-9 [001] 34.899877: sched_switch: rcuos/0:9 [120] S ==> swapper/1:0 [120] - <idle>-0 [000] 34.899884: cpu_idle: state=4294967295 cpu_id=0 - <idle>-0 [001] 34.899903: cpu_idle: state=1 cpu_id=1 <idle>-0 [000] 34.899988: sched_stat_sleep: comm=sshd pid=2450 delay=1003959 [ns] <idle>-0 [000] 34.899995: sched_wakeup: sshd:2450 [120] success=1 CPU:001 <idle>-0 [000] 34.900052: sched_stat_wait: comm=rcu_sched pid=7 delay=0 [ns] <idle>-0 [000] 34.900058: sched_switch: swapper/0:0 [120] R ==> rcu_sched:7 [120] rcu_sched-7 [000] 34.900069: sched_stat_runtime: comm=rcu_sched pid=7 runtime=325042 [ns] vruntime=6079200320 [ns] rcu_sched-7 [000] 34.900086: sched_switch: rcu_sched:7 [120] S ==> swapper/0:0 [120] - <idle>-0 [000] 34.900095: cpu_idle: state=1 cpu_id=0 - <idle>-0 [001] 34.900405: cpu_idle: state=4294967295 cpu_id=1 <idle>-0 [001] 34.900452: sched_stat_wait: comm=sshd pid=2450 delay=0 [ns] <idle>-0 [001] 34.900460: sched_switch: swapper/1:0 [120] R ==> sshd:2450 [120] sshd-2450 [001] 34.900756: sched_stat_sleep: comm=in:imuxsock pid=1767 delay=1926798326 [ns] sshd-2450 [001] 34.900767: sched_wakeup: in:imuxsock:1767 [120] success=1 CPU:000 - <idle>-0 [000] 34.901131: cpu_idle: state=4294967295 cpu_id=0 <idle>-0 [000] 34.901148: sched_stat_wait: comm=in:imuxsock pid=1767 delay=0 [ns] <idle>-0 [000] 34.901155: sched_switch: swapper/0:0 [120] R ==> in:imuxsock:1767 [120] in:imuxsock-1767 [000] 34.901243: sched_stat_runtime: comm=in:imuxsock pid=1767 runtime=496084 [ns] vruntime=6079305987 [ns] diff --git a/tests/trace_idle.dat b/tests/trace_idle.dat Binary files differnew file mode 100644 index 0000000..a2b1d66 --- /dev/null +++ b/tests/trace_idle.dat diff --git a/trappy/idle.py b/trappy/idle.py new file mode 100644 index 0000000..deec716 --- /dev/null +++ b/trappy/idle.py @@ -0,0 +1,31 @@ +# Copyright 2016 ARM Limited +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +from trappy.base import Base +from trappy.dynamic import register_ftrace_parser + +class CpuIdle(Base): + """Parse cpu_idle""" + + unique_word = "cpu_idle" + + def finalize_object(self): + # The trace contains "4294967295" instead of "-1" when exiting an idle + # state. + uint32_max = (2 ** 32) - 1 + self.data_frame.replace(uint32_max, -1, inplace=True) + super(CpuIdle, self).finalize_object() + +register_ftrace_parser(CpuIdle) |