From: Kim Phillips <kim.phillips@arm.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
Ingo Molnar <mingo@kernel.org>, <linux-kernel@vger.kernel.org>,
Linux Weekly News <lwn@lwn.net>, Andi Kleen <andi@firstfloor.org>,
David Ahern <dsahern@gmail.com>, Don Zickus <dzickus@redhat.com>,
Jiri Olsa <jolsa@kernel.org>, Joe Mario <jmario@redhat.com>,
Namhyung Kim <namhyung@kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
"Arnaldo Carvalho de Melo" <acme@redhat.com>
Subject: Re: [PATCH] perf c2c report: Properly check data presence in rb_tree loop
Date: Fri, 21 Oct 2016 14:23:49 -0500 [thread overview]
Message-ID: <20161021142349.58a8acd24e0ef074f62836e8@arm.com> (raw)
In-Reply-To: <20161021001706.GB23970@krava>
On Fri, 21 Oct 2016 02:17:06 +0200
Jiri Olsa <jolsa@redhat.com> wrote:
> On Thu, Oct 20, 2016 at 06:02:24PM -0500, Kim Phillips wrote:
>
> SNIP
>
> > (gdb) bt
> > #0 c2c_browser__update_nr_entries (hb=<optimized out>, hb=<optimized out>) at builtin-c2c.c:2142
> > #1 perf_c2c__hists_browse (hists=0x8b2d90 <c2c+240>) at builtin-c2c.c:2287
> > #2 perf_c2c_display (session=0x205b1a0) at builtin-c2c.c:2316
> > #3 perf_c2c__report (argv=<optimized out>, argc=<optimized out>) at builtin-c2c.c:2621
> > #4 cmd_c2c (argc=<optimized out>, argv=<optimized out>, prefix=<optimized out>) at builtin-c2c.c:2748
> > #5 0x000000000048df61 in run_builtin (p=p@entry=0x8be168 <commands+72>, argc=argc@entry=2, argv=argv@entry=0x7fffffffddb0)
> > at perf.c:358
> > #6 0x00000000004249b6 in handle_internal_command (argv=0x7fffffffddb0, argc=2) at perf.c:420
> > #7 run_argv (argv=0x7fffffffdb40, argcp=0x7fffffffdb4c) at perf.c:466
> > #8 main (argc=2, argv=0x7fffffffddb0) at perf.c:610
> > (gdb)
> >
> > All the above work fine when run under sudo.
>
> ugh, stupid mistake.. attached patch fixes that for me
I see it's been merged here now:
https://git.kernel.org/cgit/linux/kernel/git/acme/linux.git/commit/?h=perf/c2c&id=5a1a99cd2e4e15571a74f65facf05f806d5303fd
and the updated perf-c2c-for-mingo-20161021 works, so thanks all.
Kim
next prev parent reply other threads:[~2016-10-21 19:23 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-20 15:03 [GIT PULL 00/52] New Tool: perf c2c Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 01/52] perf c2c: Introduce c2c_decode_stats function Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 02/52] perf c2c: Introduce c2c_add_stats function Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 03/52] perf c2c: Add c2c command Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 04/52] perf c2c: Add record subcommand Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 05/52] perf c2c: Add report subcommand Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 06/52] perf c2c report: Add dimension support Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 07/52] perf c2c report: Add sort_entry " Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 08/52] perf c2c report: Fallback to standard dimensions Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 09/52] perf c2c report: Add sample processing Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 10/52] perf c2c report: Add cacheline hists processing Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 11/52] perf c2c report: Decode c2c_stats for hist entries Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 12/52] perf c2c report: Add header macros Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 13/52] perf c2c report: Add 'dcacheline' dimension key Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 14/52] perf c2c report: Add 'offset' " Arnaldo Carvalho de Melo
2016-10-20 15:03 ` [PATCH 15/52] perf c2c report: Add 'iaddr' " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 16/52] perf c2c report: Add hitm related dimension keys Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 17/52] perf c2c report: Add stores " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 18/52] perf c2c report: Add loads " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 19/52] perf c2c report: Add llc and remote " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 20/52] perf c2c report: Add llc load miss dimension key Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 21/52] perf c2c report: Add total record sort key Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 22/52] perf c2c report: Add total loads " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 23/52] perf c2c report: Add hitm percent " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 24/52] perf c2c report: Add hitm/store percent related sort keys Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 25/52] perf c2c report: Add dram " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 26/52] perf c2c report: Add 'pid' sort key Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 27/52] perf c2c report: Add 'tid' " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 28/52] perf c2c report: Add 'symbol' and 'dso' sort keys Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 29/52] perf c2c report: Add 'node' sort key Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 30/52] perf c2c report: Add stats related sort keys Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 31/52] perf c2c report: Add 'cpucnt' sort key Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 32/52] perf c2c report: Add src line " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 33/52] perf c2c report: Setup number of header lines for hists Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 34/52] perf c2c report: Set final resort fields Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 35/52] perf c2c report: Add stdio output support Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 36/52] perf c2c report: Add main TUI browser Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 37/52] perf c2c report: Add TUI cacheline browser Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 38/52] perf c2c report: Add global stats stdio output Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 39/52] perf c2c report: Add shared cachelines " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 40/52] perf c2c report: Add c2c related " Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 41/52] perf c2c report: Allow to report callchains Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 42/52] perf c2c report: Limit the cachelines table entries Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 43/52] perf c2c report: Add support to choose local HITMs Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 44/52] perf c2c report: Allow to set cacheline sort fields Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 45/52] perf c2c report: Recalc width of global sort entries Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 46/52] perf c2c report: Add cacheline index entry Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 47/52] perf c2c report: Add support to manage symbol name length Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 48/52] perf c2c report: Iterate node display in browser Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 49/52] perf c2c report: Add help windows Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 50/52] perf c2c: Add man page and credits Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 51/52] perf c2c report: Add --no-source option Arnaldo Carvalho de Melo
2016-10-20 15:04 ` [PATCH 52/52] perf c2c report: Add --show-all option Arnaldo Carvalho de Melo
2016-10-20 23:02 ` [GIT PULL 00/52] New Tool: perf c2c Kim Phillips
2016-10-21 0:17 ` [PATCH] perf c2c report: Properly check data presence in rb_tree loop Jiri Olsa
2016-10-21 19:23 ` Kim Phillips [this message]
2016-10-22 8:49 ` [tip:perf/core] perf c2c report: Add main TUI browser tip-bot for Jiri Olsa
2016-10-21 0:21 ` [GIT PULL 00/52] New Tool: perf c2c Jiri Olsa
2016-10-22 8:28 ` Ingo Molnar
2016-10-23 11:05 ` Jiri Olsa
2016-10-23 23:47 ` Andi Kleen
2016-10-24 6:32 ` Jiri Olsa
2016-10-24 9:23 ` Ingo Molnar
2016-10-24 9:42 ` Jiri Olsa
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