From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vineet Gupta Subject: [RFC 0/2] report perf sampling failing due to PMU lacking overflow intr support Date: Mon, 9 May 2016 15:07:38 +0530 Message-ID: <1462786660-2900-1-git-send-email-vgupta@synopsys.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from smtprelay.synopsys.com ([198.182.60.111]:56391 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751638AbcEIJiD (ORCPT ); Mon, 9 May 2016 05:38:03 -0400 Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: linux-perf-users@vger.kernel.org, peterz@infradead.org, acme@redhat.com Cc: linux-snps-arc@lists.infradead.org, linux-kernel@vger.kernel.org, mingo@kernel.org, vincent.weaver@maine.edu, Vineet Gupta Hi, A couple of minor patches to print better PMU lacking overflow intr support such as in ARC700 cores. This is an ABI change so might be controversial hence RFC. Despite triviality, I've seperated the change into 2 pacthes - for different maintainers and also kept userspace change first to keep it bisectable. Comments welcome ! Thx, -Vineet 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 | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) -- 2.5.0