linux-kernel - [PATCH 0/2] perf tools: Fix pyrf_evlist__read_on

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Date:   Fri, 17 Aug 2018 13:45:54 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Jaroslav Škarvada <jskarvad@...hat.com>,
        Joe Mario <jmario@...hat.com>
Subject: [PATCH 0/2] perf tools: Fix pyrf_evlist__read_on_cpu interface

hi,
Jaroslav reported errors from valgrind over perf python script,
which led us to discover serious issue with python interface.

It affects tuned daemon, which depends on this interface,
and makes it hang.

thanks,
jirka


---
Jiri Olsa (2):
      perf tools: Store real cpu number in the struct perf_mmap
      perf python: Fix pyrf_evlist__read_on_cpu interface

 tools/perf/util/evlist.c |  2 +-
 tools/perf/util/mmap.c   |  4 +++-
 tools/perf/util/mmap.h   |  4 +++-
 tools/perf/util/python.c | 20 +++++++++++++++++++-
 4 files changed, 26 insertions(+), 4 deletions(-)