From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751861AbaJCFQq (ORCPT ); Fri, 3 Oct 2014 01:16:46 -0400 Received: from mail-pa0-f52.google.com ([209.85.220.52]:49862 "EHLO mail-pa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750923AbaJCFQp (ORCPT ); Fri, 3 Oct 2014 01:16:45 -0400 From: Andy Lutomirski To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Paul Mackerras Cc: linux-kernel@vger.kernel.org, Andy Lutomirski Subject: [PATCH] perf: Fix typos in sample code in the perf_event.h header Date: Thu, 2 Oct 2014 22:16:36 -0700 Message-Id: <320ba26391a8123cc16e5f02d24d34bd404332fd.1412313343.git.luto@amacapital.net> X-Mailer: git-send-email 1.9.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org struct perf_event_mmap_page has members called "index" and "cap_user_rdpmc". Spell them correctly in the examples. Signed-off-by: Andy Lutomirski --- include/uapi/linux/perf_event.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 9269de254874..9d845404d875 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -364,7 +364,7 @@ struct perf_event_mmap_page { /* * Bits needed to read the hw events in user-space. * - * u32 seq, time_mult, time_shift, idx, width; + * u32 seq, time_mult, time_shift, index, width; * u64 count, enabled, running; * u64 cyc, time_offset; * s64 pmc = 0; @@ -383,11 +383,11 @@ struct perf_event_mmap_page { * time_shift = pc->time_shift; * } * - * idx = pc->index; + * index = pc->index; * count = pc->offset; - * if (pc->cap_usr_rdpmc && idx) { + * if (pc->cap_user_rdpmc && index) { * width = pc->pmc_width; - * pmc = rdpmc(idx - 1); + * pmc = rdpmc(index - 1); * } * * barrier(); @@ -415,7 +415,7 @@ struct perf_event_mmap_page { }; /* - * If cap_usr_rdpmc this field provides the bit-width of the value + * If cap_user_rdpmc this field provides the bit-width of the value * read using the rdpmc() or equivalent instruction. This can be used * to sign extend the result like: * @@ -439,10 +439,10 @@ struct perf_event_mmap_page { * * Where time_offset,time_mult,time_shift and cyc are read in the * seqcount loop described above. This delta can then be added to - * enabled and possible running (if idx), improving the scaling: + * enabled and possible running (if index), improving the scaling: * * enabled += delta; - * if (idx) + * if (index) * running += delta; * * quot = count / running; -- 1.9.3