From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754312AbbCaBzj (ORCPT ); Mon, 30 Mar 2015 21:55:39 -0400 Received: from e36.co.us.ibm.com ([32.97.110.154]:51353 "EHLO e36.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754181AbbCaByy (ORCPT ); Mon, 30 Mar 2015 21:54:54 -0400 From: Sukadev Bhattiprolu To: Michael Ellerman , Paul Mackerras , peterz@infradead.org Cc: dev@codyps.com, , linuxppc-dev@lists.ozlabs.org Subject: [PATCH v2 09/10] powerpc/hv-24x7: Define update_event_count() Date: Mon, 30 Mar 2015 18:53:46 -0700 Message-Id: <1427766828-771-10-git-send-email-sukadev@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1427766828-771-1-git-send-email-sukadev@linux.vnet.ibm.com> References: <1427766828-771-1-git-send-email-sukadev@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15033101-0021-0000-0000-00000986B1A9 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Move the code to update an event count into a new function, update_event_count(). Signed-off-by: Sukadev Bhattiprolu --- arch/powerpc/perf/hv-24x7.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 676fb2f9..cf82026 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -1172,16 +1172,22 @@ static u64 h_24x7_get_value(struct perf_event *event) return ct; } -static void h_24x7_event_read(struct perf_event *event) +static void update_event_count(struct perf_event *event, u64 now) { s64 prev; - u64 now; - now = h_24x7_get_value(event); prev = local64_xchg(&event->hw.prev_count, now); local64_add(now - prev, &event->count); } +static void h_24x7_event_read(struct perf_event *event) +{ + u64 now; + + now = h_24x7_get_value(event); + update_event_count(event, now); +} + static void h_24x7_event_start(struct perf_event *event, int flags) { if (flags & PERF_EF_RELOAD) -- 1.8.3.1