From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758025AbcK2PPV (ORCPT ); Tue, 29 Nov 2016 10:15:21 -0500 Received: from mail.kernel.org ([198.145.29.136]:50456 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757891AbcK2POn (ORCPT ); Tue, 29 Nov 2016 10:14:43 -0500 Message-Id: <20161129150614.797594570@goodmis.org> User-Agent: quilt/0.63-1 Date: Tue, 29 Nov 2016 10:06:14 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton Subject: [for-next][PATCH 0/8] tracing: Some micro optimizations Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen pointed out a trace that showed lots of functions being called in the trace event hot path. These functions would help to be inlined. More needs to be done, but this is just a start. git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git for-next Head SHA1: 38e11df134297ea3860c7aad8263ece27db01308 Steven Rostedt (Red Hat) (8): tracing: Create a always_inlined __trace_buffer_lock_reserve() ring-buffer: Make rb_reserve_next_event() always inlined ring-buffer: Always inline rb_event_data() tracing: Make tracepoint_printk a static_key tracing: Make __buffer_unlock_commit() always_inline ring-buffer: Force inline of hotpath helper functions ring-buffer: Froce rb_update_write_stamp() to be inlined ring-buffer: Force rb_end_commit() and rb_set_commit_to_write() inline ---- include/linux/ftrace.h | 4 + kernel/sysctl.c | 2 +- kernel/trace/ring_buffer.c | 28 ++--- kernel/trace/trace.c | 206 ++++++++++++++++++++++++++--------- kernel/trace/trace.h | 4 +- kernel/trace/trace_branch.c | 2 +- kernel/trace/trace_events.c | 40 ------- kernel/trace/trace_functions_graph.c | 4 +- kernel/trace/trace_hwlat.c | 2 +- 9 files changed, 177 insertions(+), 115 deletions(-)