Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) #! /usr/bin/env python
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) # -*- python -*-
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) # -*- coding: utf-8 -*-
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) import perf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) class tracepoint(perf.evsel):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)     def __init__(self, sys, name):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)         config = perf.tracepoint(sys, name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)         perf.evsel.__init__(self,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)                             type   = perf.TYPE_TRACEPOINT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)                             config = config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)                             freq = 0, sample_period = 1, wakeup_events = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)                             sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_RAW | perf.SAMPLE_TIME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) def main():
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)     tp      = tracepoint("sched", "sched_switch")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)     cpus    = perf.cpu_map()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)     threads = perf.thread_map(-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)     evlist = perf.evlist(cpus, threads)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)     evlist.add(tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)     evlist.open()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)     evlist.mmap()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)     while True:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)         evlist.poll(timeout = -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)         for cpu in cpus:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)             event = evlist.read_on_cpu(cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)             if not event:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)                 continue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)             if not isinstance(event, perf.sample_event):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)                 continue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)             print "time %u prev_comm=%s prev_pid=%d prev_prio=%d prev_state=0x%x ==> next_comm=%s next_pid=%d next_prio=%d" % (
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)                    event.sample_time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)                    event.prev_comm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)                    event.prev_pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)                    event.prev_prio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)                    event.prev_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)                    event.next_comm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)                    event.next_pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)                    event.next_prio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) if __name__ == '__main__':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)     main()