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From: David Ahern <dsahern@gmail.com>
To: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>,
	Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Ingo Molnar <mingo@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Alexei Starovoitov <ast@kernel.org>,
	He Kuang <hekuang@huawei.com>, Jiri Olsa <jolsa@redhat.com>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Milian Wolff <milian.wolff@kdab.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Stephane Eranian <eranian@google.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Vince Weaver <vincent.weaver@maine.edu>,
	Wang Nan <wangnan0@huawei.com>, Zefan Li <lizefan@huawei.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH/RFC v3] perf core: Allow setting up max frame stack depth via sysctl
Date: Tue, 26 Apr 2016 10:45:28 -0600	[thread overview]
Message-ID: <571F9B28.8040001@gmail.com> (raw)
In-Reply-To: <20160426163321.GI11033@kernel.org>

On 4/26/16 10:33 AM, Arnaldo Carvalho de Melo wrote:
> So, for completeness, further testing it to see how far it goes on a 8GB
> machine I got:
>
> [root@emilia ~]# echo 131100 > /proc/sys/kernel/perf_event_max_stack
> [root@emilia ~]# perf record -g ls
> Error:
> The sys_perf_event_open() syscall returned with 12 (Cannot allocate memory) for event (cycles).
> /bin/dmesg may provide additional information.
> No CONFIG_PERF_EVENTS=y kernel support configured?

I thought we fixed up the last line to not display for errors like this.

How about adding ENOMEM case to perf_evsel__open_strerror?

  reply	other threads:[~2016-04-26 16:45 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-20 22:47 [PATCH/RFC] perf core: Allow setting up max frame stack depth via sysctl Arnaldo Carvalho de Melo
2016-04-20 23:04 ` Alexei Starovoitov
2016-04-22 20:52   ` [PATCH/RFC v2] " Arnaldo Carvalho de Melo
2016-04-22 21:37     ` Alexei Starovoitov
2016-04-22 22:05     ` David Ahern
2016-04-22 22:18       ` Alexei Starovoitov
2016-04-25 16:14         ` Arnaldo Carvalho de Melo
2016-04-25 16:27           ` Arnaldo Carvalho de Melo
2016-04-25 19:22             ` Arnaldo Carvalho de Melo
2016-04-25 20:06               ` Alexei Starovoitov
2016-04-25 20:17                 ` Arnaldo Carvalho de Melo
2016-04-25 21:59                   ` Alexei Starovoitov
2016-04-25 23:41                     ` Arnaldo Carvalho de Melo
2016-04-26  0:07                       ` Alexei Starovoitov
2016-04-26  0:29                         ` [PATCH/RFC v3] " Arnaldo Carvalho de Melo
2016-04-26  0:44                           ` Alexei Starovoitov
2016-04-26  0:47                             ` Arnaldo Carvalho de Melo
2016-04-26  0:49                               ` Brendan Gregg
2016-04-26 16:33                                 ` Arnaldo Carvalho de Melo
2016-04-26 16:45                                   ` David Ahern [this message]
2016-04-27 13:20                                     ` Arnaldo Carvalho de Melo
2016-04-26 20:02                                 ` Brendan Gregg
2016-04-26 21:05                                   ` Arnaldo Carvalho de Melo
2016-04-26 21:55                                     ` Peter Zijlstra
2016-04-27 12:53                                       ` Arnaldo Carvalho de Melo
2016-04-26 21:58                                     ` Brendan Gregg
2016-04-26 22:10                                       ` Peter Zijlstra
2016-04-27 12:56                                       ` Arnaldo Carvalho de Melo
2016-04-26 21:58                           ` Frederic Weisbecker
2016-04-27 12:53                             ` Arnaldo Carvalho de Melo
2016-04-27 16:09                               ` Frederic Weisbecker
2016-04-27 16:27                                 ` David Ahern
2016-04-27 15:39                           ` [tip:perf/core] " tip-bot for Arnaldo Carvalho de Melo
2016-04-20 23:10 ` [PATCH/RFC] " David Ahern
2016-04-21  0:18   ` Arnaldo Carvalho de Melo
2016-04-21 10:48 ` Peter Zijlstra
2016-04-21 15:17   ` Arnaldo Carvalho de Melo
2016-04-21 15:42     ` Arnaldo Carvalho de Melo

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