perf output

# ========
# captured on: Tue Mar 20 13:50:07 2018
# hostname : X4
# os release : 4.9.87
# perf version : 4.9.87
# arch : armv7l
# nrcpus online : 2
# nrcpus avail : 2
# cpudesc : ARMv7 Processor rev 0 (v7l)
# cmdline : /usr/bin/perf record -p 25 sleep 30
# event : name = cycles:ppp, , size = 112, { sample_period, sample_freq } = 4000, sample_type = IP|TID|TIME|PERIOD, disabled = 1, inherit = 1, mmap = 1, comm = 1, freq = 1, task = 1, precise_ip = 3, sample_id_all = 1, exclude_guest = 1, mmap2 = 1, comm_exec = 1
# sibling cores   : 0
# sibling cores   : 1
# sibling threads : 0
# sibling threads : 1
# Core ID and Socket ID information is not available
# pmu mappings: not available
# CPU cache info:
# ========
#
#
# Total Lost Samples: 0
#
# Samples: 5K of event 'cycles:ppp'
# Event count (approx.): 726093476
#
# Overhead  Command      Shared Object      Symbol
# ........  ...........  .................  ................................
#
    65.89%  kworker/0:1  [kernel.kallsyms]  [k] _raw_spin_unlock_irqrestore
     6.99%  kworker/0:1  [kernel.kallsyms]  [k] read_current_timer
     6.53%  kworker/0:1  [kernel.kallsyms]  [k] msm_read_current_timer
     5.37%  kworker/0:1  [kernel.kallsyms]  [k] __timer_delay
     3.77%  kworker/0:1  [kernel.kallsyms]  [k] mdc_set
     1.70%  kworker/0:1  [kernel.kallsyms]  [k] __do_softirq
     1.51%  kworker/0:1  [kernel.kallsyms]  [k] mdiobb_send_bit
     1.25%  kworker/0:1  [kernel.kallsyms]  [k] mdiobb_read
     1.18%  kworker/0:1  [kernel.kallsyms]  [k] gpio_to_desc
     0.72%  kworker/0:1  [kernel.kallsyms]  [k] msm_read_timer_count
     0.64%  kworker/0:1  [kernel.kallsyms]  [k] _gpiod_set_raw_value
     0.58%  kworker/0:1  [kernel.kallsyms]  [k] msm_gpio_set
     0.56%  kworker/0:1  [kernel.kallsyms]  [k] run_timer_softirq
     0.56%  kworker/0:1  [kernel.kallsyms]  [k] gpiod_set_raw_value_cansleep
     0.54%  kworker/0:1  [kernel.kallsyms]  [k] _raw_spin_lock_irqsave
     0.33%  kworker/0:1  [kernel.kallsyms]  [k] __timer_const_udelay
     0.31%  kworker/0:1  [kernel.kallsyms]  [k] mdio_set
     0.24%  kworker/0:1  [kernel.kallsyms]  [k] gpio_chip_hwgpio
     0.22%  kworker/0:1  [kernel.kallsyms]  [k] mdiobb_get_bit
     0.13%  kworker/0:1  [kernel.kallsyms]  [k] gpiochip_get_data
     0.11%  kworker/0:1  [kernel.kallsyms]  [k] mdiobb_send_num
     0.11%  kworker/0:1  [kernel.kallsyms]  [k] msm_gpio_direction_input
     0.11%  kworker/0:1  [kernel.kallsyms]  [k] mdiobb_cmd
     0.09%  kworker/0:1  [kernel.kallsyms]  [k] gpiod_direction_input
     0.09%  kworker/0:1  [kernel.kallsyms]  [k] gpiod_get_raw_value_cansleep
     0.07%  kworker/0:1  [kernel.kallsyms]  [k] _gpiod_direction_output_raw
     0.07%  kworker/0:1  [kernel.kallsyms]  [k] gpiod_direction_output_raw
     0.05%  kworker/0:1  [kernel.kallsyms]  [k] _raw_spin_lock_irq
     0.04%  kworker/0:1  [kernel.kallsyms]  [k] _gpiod_get_raw_value
     0.04%  kworker/0:1  [kernel.kallsyms]  [k] msm_gpio_get
     0.04%  kworker/0:1  [kernel.kallsyms]  [k] mdio_get
     0.02%  kworker/0:1  [kernel.kallsyms]  [k] mdio_dir
     0.02%  kworker/0:1  [kernel.kallsyms]  [k] ar8xxx_mib_fetch_port_stat
     0.02%  kworker/0:1  [kernel.kallsyms]  [k] process_one_work
     0.02%  kworker/0:1  [kernel.kallsyms]  [k] __skb_get_hash
     0.02%  kworker/0:1  [kernel.kallsyms]  [k] mutex_lock
     0.02%  kworker/0:1  [kernel.kallsyms]  [k] msm_gpio_direction_output
     0.02%  kworker/0:1  [kernel.kallsyms]  [k] __round_jiffies_relative
     0.02%  kworker/0:1  [kernel.kallsyms]  [k] ar8xxx_read
     0.02%  kworker/0:1  [kernel.kallsyms]  [k] worker_thread
     0.00%  kworker/0:1  [kernel.kallsyms]  [k] queue_delayed_work_on
     0.00%  kworker/0:1  [kernel.kallsyms]  [k] finish_task_switch


#
# (Cannot load tips.txt file, please install perf!)
#