diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 12:06:36 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 12:06:36 +0200 |
commit | a18f22a968de17b29f2310cdb7ba69163e65ec15 (patch) | |
tree | a7d56d88fad5e444d7661484109758a2f436129e /tools/perf/python/twatch.py | |
parent | a1c57e0fec53defe745e64417eacdbd3618c3e66 (diff) | |
parent | 798778b8653f64b7b2162ac70eca10367cff6ce8 (diff) |
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts:
arch/ia64/kernel/cyclone.c
arch/mips/kernel/i8253.c
arch/x86/kernel/i8253.c
Reason: Resolve conflicts so further cleanups do not conflict further
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'tools/perf/python/twatch.py')
-rwxr-xr-x | tools/perf/python/twatch.py | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/perf/python/twatch.py b/tools/perf/python/twatch.py new file mode 100755 index 00000000000..df638c438a9 --- /dev/null +++ b/tools/perf/python/twatch.py @@ -0,0 +1,41 @@ +#! /usr/bin/python +# -*- python -*- +# -*- coding: utf-8 -*- +# twatch - Experimental use of the perf python interface +# Copyright (C) 2011 Arnaldo Carvalho de Melo <acme@redhat.com> +# +# This application is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; version 2. +# +# This application is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. + +import perf + +def main(): + cpus = perf.cpu_map() + threads = perf.thread_map() + evsel = perf.evsel(task = 1, comm = 1, mmap = 0, + wakeup_events = 1, sample_period = 1, + sample_id_all = 1, + sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_TID) + evsel.open(cpus = cpus, threads = threads); + evlist = perf.evlist(cpus, threads) + evlist.add(evsel) + evlist.mmap() + while True: + evlist.poll(timeout = -1) + for cpu in cpus: + event = evlist.read_on_cpu(cpu) + if not event: + continue + print "cpu: %2d, pid: %4d, tid: %4d" % (event.sample_cpu, + event.sample_pid, + event.sample_tid), + print event + +if __name__ == '__main__': + main() |