207 lines
6.1 KiB
Bash
207 lines
6.1 KiB
Bash
#=============================================================================
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# Copyright (c) 2022-2023 Qualcomm Technologies, Inc.
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# All Rights Reserved.
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# Confidential and Proprietary - Qualcomm Technologies, Inc.
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#
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# Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of The Linux Foundation nor
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# the names of its contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#=============================================================================
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enable_sched_events()
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{
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local instance=/sys/kernel/tracing
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echo > $instance/trace
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echo > $instance/set_event
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# timer
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echo 1 > $instance/events/timer/timer_expire_entry/enable
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echo 1 > $instance/events/timer/timer_expire_exit/enable
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echo 1 > $instance/events/timer/hrtimer_cancel/enable
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echo 1 > $instance/events/timer/hrtimer_expire_entry/enable
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echo 1 > $instance/events/timer/hrtimer_expire_exit/enable
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echo 1 > $instance/events/timer/hrtimer_init/enable
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echo 1 > $instance/events/timer/hrtimer_start/enable
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#enble FTRACE for softirq events
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echo 1 > $instance/events/irq/enable
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#enble FTRACE for Workqueue events
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echo 1 > $instance/events/workqueue/enable
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# sched
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#echo 1 > $instance/events/sched/sched_cpu_hotplug/enable
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echo 1 > $instance/events/sched/sched_migrate_task/enable
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echo 1 > $instance/events/sched/sched_pi_setprio/enable
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echo 1 > $instance/events/sched/sched_switch/enable
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echo 1 > $instance/events/sched/sched_wakeup/enable
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echo 1 > $instance/events/sched/sched_wakeup_new/enable
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echo 1 > $instance/events/schedwalt/halt_cpus/enable
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echo 1 > $instance/events/schedwalt/halt_cpus_start/enable
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# hot-plug
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echo 1 > $instance/events/cpuhp/enable
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echo 1 > $instance/events/power/cpu_frequency/enable
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echo 1 > $instance/tracing_on
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}
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enable_rproc_events()
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{
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local instance=/sys/kernel/tracing/instances/rproc_qcom
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mkdir $instance
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echo > $instance/trace
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echo > $instance/set_event
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# enable rproc events as soon as available
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/vendor/bin/init.qti.write.sh $instance/events/rproc_qcom/enable 1
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echo 1 > $instance/tracing_on
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}
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# Suspend events are also noisy when going into suspend/resume
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enable_suspend_events()
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{
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local instance=/sys/kernel/tracing/instances/suspend
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mkdir $instance
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echo > $instance/trace
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echo > $instance/set_event
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echo 1 > $instance/events/power/suspend_resume/enable
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echo 1 > $instance/events/power/device_pm_callback_start/enable
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echo 1 > $instance/events/power/device_pm_callback_end/enable
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echo 1 > $instance/tracing_on
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}
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enable_clock_reg_events()
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{
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local instance=/sys/kernel/tracing/instances/clock_reg
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mkdir $instance
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echo > $instance/trace
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echo > $instance/set_event
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# clock
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echo 1 > $instance/events/clk/enable
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echo 1 > $instance/events/clk_qcom/enable
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# interconnect
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echo 1 > $instance/events/interconnect/enable
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# regulator
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echo 1 > $instance/events/regulator/enable
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# rpmh
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echo 1 > $instance/events/rpmh/enable
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echo 1 > $instance/tracing_on
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}
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enable_memory_events()
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{
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local instance=/sys/kernel/tracing/instances/memory
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mkdir $instance
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echo > $instance/trace
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echo > $instance/set_event
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#memory pressure events/oom
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#echo 1 > $instance/events/psi/psi_event/enable
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#echo 1 > $instance/events/psi/psi_window_vmstat/enable
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echo 1 > $instance/events/arm_smmu/enable
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echo 1 > $instance/tracing_on
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}
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# binder tracing can be noisy
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enable_binder_events()
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{
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local instance=/sys/kernel/tracing/instances/binder
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mkdir $instance
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echo > $instance/trace
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echo > $instance/set_event
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echo 1 > $instance/events/binder/enable
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echo 1 > $instance/tracing_on
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}
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enable_rwmmio_events()
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{
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if [ ! -d /sys/kernel/tracing/events/rwmmio ]
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then
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return
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fi
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local instance=/sys/kernel/tracing/instances/rwmmio
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mkdir $instance
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echo > $instance/trace
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echo > $instance/set_event
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echo 1 > $instance/events/rwmmio/rwmmio_read/enable
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echo 1 > $instance/events/rwmmio/rwmmio_write/enable
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echo 1 > $instance/tracing_on
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}
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find_build_type()
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{
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linux_banner=`cat /proc/version`
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if [[ "$linux_banner" == *"-consolidate"* ]]
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then
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debug_build=true
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fi
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}
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debug_build=false
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enable_tracing_events()
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{
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# bail out if its perf config
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find_build_type
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if [ "$debug_build" = false ]
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then
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return
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fi
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# bail out if ftrace events aren't present
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if [ ! -d /sys/kernel/tracing/events ] ; then
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return
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fi
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enable_sched_events
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enable_rproc_events
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enable_suspend_events
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enable_binder_events
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enable_clock_reg_events
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enable_memory_events
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enable_rwmmio_events
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}
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enable_tracing_events
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