From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: linux-perf-users@vger.kernel.org
Cc: peterz@infradead.org, acme@redhat.com,
linux-kernel@vger.kernel.org, mingo@kernel.org,
vincent.weaver@maine.edu, linux-snps-arc@lists.infradead.org,
Alexey.Brodkin@synopsys.com,
Vineet Gupta <Vineet.Gupta1@synopsys.com>
Subject: [PATCH-REBASED 0/2] report perf sampling failing due to PMU lacking overflow intr support
Date: Mon, 30 May 2016 17:01:44 +0530 [thread overview]
Message-ID: <1464607906-16012-1-git-send-email-vgupta@synopsys.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1605121903470.18777@macbook-air>
Hi,
This is a repost of RFC [1], rebased on 4.7-rc1, to print pretty PMU lacking
overflow interrupt support if user tries perf sampling.
At the time of RFC review, both PeterZ and Vince seemed convinced to go ahead
with this patch despite the ABI change [2].
Thx,
-Vineet
[1] http://lists.infradead.org/pipermail/linux-snps-arc/2016-May/001014.html
[2] http://lists.infradead.org/pipermail/linux-snps-arc/2016-May/001032.html
Vineet Gupta (2):
tools/perf: Handle EOPNOTSUPP for sampling events
perf/core: change errno for sampling event not supported in hardware
kernel/events/core.c | 2 +-
tools/perf/util/evsel.c | 7 +++++++
2 files changed, 8 insertions(+), 1 deletion(-)
--
2.5.0
next prev parent reply other threads:[~2016-05-30 11:32 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-09 9:37 [RFC 0/2] report perf sampling failing due to PMU lacking overflow intr support Vineet Gupta
2016-05-09 9:37 ` [RFC 1/2] tools/perf: Handle EOPNOTSUPP for sampling events Vineet Gupta
2016-05-09 9:37 ` [RFC 2/2] perf/core: change errno for sampling event not supported in hardware Vineet Gupta
2016-05-09 13:54 ` Vince Weaver
2016-05-09 17:23 ` Vineet Gupta
2016-05-11 3:33 ` Vince Weaver
2016-05-11 19:36 ` Peter Zijlstra
2016-05-12 6:28 ` Vineet Gupta
2016-05-12 6:42 ` Peter Zijlstra
2016-05-12 6:54 ` Vineet Gupta
2016-05-12 7:25 ` Peter Zijlstra
2016-05-12 23:04 ` Vince Weaver
2016-05-13 8:36 ` Vineet Gupta
2016-05-30 11:31 ` Vineet Gupta [this message]
2016-05-30 11:31 ` [PATCH-REBASED 1/2] tools/perf: Handle EOPNOTSUPP for sampling events Vineet Gupta
2016-05-30 11:31 ` [PATCH-REBASED 2/2] perf/core: change errno for sampling event not supported in hardware Vineet Gupta
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