From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0959C04E53 for ; Wed, 15 May 2019 17:36:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B20C82087E for ; Wed, 15 May 2019 17:36:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727052AbfEORgQ (ORCPT ); Wed, 15 May 2019 13:36:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:47966 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725974AbfEORgQ (ORCPT ); Wed, 15 May 2019 13:36:16 -0400 Received: from oasis.local.home (50-204-120-225-static.hfc.comcastbusiness.net [50.204.120.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 73FEB20815; Wed, 15 May 2019 17:36:14 +0000 (UTC) Date: Wed, 15 May 2019 13:36:14 -0400 From: Steven Rostedt To: Linus Torvalds Cc: LKML , Ingo Molnar , Andrew Morton Subject: [GIT PULL] tracing: Updates for 5.2 Message-ID: <20190515133614.31dcbbe0@oasis.local.home> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, The major changes in this tracing update includes: - Removing of non-DYNAMIC_FTRACE from 32bit x86 - Removing of mcount support from x86 - Emulating a call from int3 on x86_64, fixes live kernel patching - Consolidated Tracing Error logs file Minor updates: - Removal of klp_check_compiler_support() - kdb ftrace dumping output changes - Accessing and creating ftrace instances from inside the kernel - Clean up of #define if macro - Introduction of TRACE_EVENT_NOP() to disable trace events based on config options And other minor fixes and clean ups *** NOTE *** This has conflicts with your tree, with the following files: Conflicts: arch/x86/entry/entry_64.S include/linux/compiler.h I did a merge against the commit d7a02fa0a8f9ec in your tree, and put my conflict resolution at my branch in the same tree as this pull request: ftrace/conflicts Please pull the latest trace-v5.2 tree, which can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git trace-v5.2 Tag SHA1: 666ff819de73a218eae4b7850ce9112942b40d4e Head SHA1: 693713cbdb3a4bda5a8a678c31f06560bbb14657 Anders Roxell (1): tracing: Allow RCU to run between postponed startup tests Colin Ian King (1): tracing: Fix white space issues in parse_pred() function Divya Indi (1): tracing: Kernel access to Ftrace instances Douglas Anderson (3): tracing: kdb: The skip_lines parameter should have been skip_entries tracing: Add trace_total_entries() / trace_total_entries_cpu() tracing: kdb: Allow ftdump to skip all but the last few entries Elazar Leibovich (1): tracing: Fix partial reading of trace event's id file Gustavo A. R. Silva (1): tracing: Replace kzalloc with kcalloc Jiri Kosina (1): livepatch: Remove klp_check_compiler_support() Josh Poimboeuf (1): x86_64: Add gap to int3 to allow for call emulation Linus Torvalds (1): tracing: Simplify "if" macro code Masami Hiramatsu (5): tracing: Use tracing error_log with probe events selftests/ftrace: Add error_log testcase for probe errors tracing: uprobes: Re-enable $comm support for uprobe events tracing: probeevent: Do not accumulate on ret variable tracing: probeevent: Fix to make the type of $comm string Peter Zijlstra (2): x86_64: Allow breakpoints to emulate call instructions ftrace/x86_64: Emulate call function while updating in breakpoint handler Rasmus Villemoes (1): tracing: Eliminate const char[] auto variables Srivatsa S. Bhat (VMware) (1): tracing: Fix documentation about disabling options using trace_options Steven Rostedt (VMware) (10): tracing: Add trace_array parameter to create_event_filter() tracing: Have histogram code pass around trace_array for error handling tracing: Have the error logs show up in the proper instances ftrace: Remove ASSIGN_OPS_HASH() macro from ftrace.c ftrace: Do not process STUB functions in ftrace_ops_list_func() function_graph: Have selftest also emulate tr->reset() as it did with tr->init() function_graph: Place ftrace_graph_entry_stub() prototype in include/linux/ftrace.h ftrace/x86_32: Remove support for non DYNAMIC_FTRACE ftrace/x86: Remove mcount support x86: Hide the int3_emulate_call/jmp functions from UML Tom Zanussi (9): tracing: Add tracing error log tracing: Save the last hist command's associated event name tracing: Use tracing error_log with hist triggers tracing: Use tracing error_log with trace event filters selftests/ftrace: Move kprobe/uprobe check_error() to test.d/functions selftests/ftrace: Remove trigger-extended-error-support testcase selftests/ftrace: Add tracing/error_log testcase tracing: Add tracing/error_log Documentation tracing: Add error_log to README Yafang Shao (3): tracing: introduce TRACE_EVENT_NOP() sched/fair: do not expose some tracepoints to user if CONFIG_SCHEDSTATS is not set rcu: validate arguments for rcu tracepoints Yangtao Li (1): ring-buffer: Fix mispelling of Calculate YueHaibing (1): ring-buffer: Fix ring buffer size in rb_write_something() ---- Documentation/trace/ftrace.rst | 31 ++ Documentation/trace/histogram.rst | 16 +- arch/nds32/kernel/ftrace.c | 1 - arch/parisc/kernel/ftrace.c | 1 - arch/powerpc/include/asm/livepatch.h | 5 - arch/s390/include/asm/livepatch.h | 5 - arch/x86/Kconfig | 11 + arch/x86/entry/entry_64.S | 18 +- arch/x86/include/asm/ftrace.h | 8 +- arch/x86/include/asm/livepatch.h | 8 - arch/x86/include/asm/text-patching.h | 30 ++ arch/x86/kernel/ftrace.c | 32 +- arch/x86/kernel/ftrace_32.S | 75 +--- arch/x86/kernel/ftrace_64.S | 28 +- include/linux/compiler.h | 35 +- include/linux/ftrace.h | 2 + include/linux/tracepoint.h | 15 + include/trace/define_trace.h | 8 + include/trace/events/rcu.h | 81 ++-- include/trace/events/sched.h | 21 +- kernel/livepatch/core.c | 8 - kernel/rcu/rcu.h | 9 +- kernel/rcu/tree.c | 8 +- kernel/trace/ftrace.c | 9 +- kernel/trace/ring_buffer.c | 2 +- kernel/trace/ring_buffer_benchmark.c | 2 +- kernel/trace/trace.c | 417 ++++++++++++++++++--- kernel/trace/trace.h | 13 +- kernel/trace/trace_events.c | 4 +- kernel/trace/trace_events_filter.c | 84 +++-- kernel/trace/trace_events_hist.c | 268 +++++++------ kernel/trace/trace_events_trigger.c | 3 +- kernel/trace/trace_kdb.c | 61 +-- kernel/trace/trace_kprobe.c | 77 ++-- kernel/trace/trace_probe.c | 291 +++++++++----- kernel/trace/trace_probe.h | 78 +++- kernel/trace/trace_probe_tmpl.h | 2 +- kernel/trace/trace_selftest.c | 5 +- kernel/trace/trace_uprobe.c | 57 ++- .../ftrace/test.d/ftrace/tracing-error-log.tc | 19 + tools/testing/selftests/ftrace/test.d/functions | 12 + .../ftrace/test.d/kprobe/kprobe_syntax_errors.tc | 85 +++++ .../ftrace/test.d/kprobe/uprobe_syntax_errors.tc | 23 ++ .../inter-event/trigger-extended-error-support.tc | 28 -- 44 files changed, 1345 insertions(+), 651 deletions(-) create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc delete mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc ---------------------------