From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756368AbbGFNdU (ORCPT ); Mon, 6 Jul 2015 09:33:20 -0400 Received: from mail-la0-f53.google.com ([209.85.215.53]:35666 "EHLO mail-la0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756342AbbGFNdQ (ORCPT ); Mon, 6 Jul 2015 09:33:16 -0400 From: Max Filippov To: linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org Cc: Chris Zankel , Marc Gauthier , Max Filippov Subject: [PATCH 0/8] Support hardware perf counters on xtensa Date: Mon, 6 Jul 2015 16:32:41 +0300 Message-Id: <1436189569-28802-1-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 1.8.1.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, this series adds support for hardware performance counters in counting and sampling modes as well as for page fault counting. It reorganizes stack stracing code to share it between old oprofile and new perf interfaces, and improves kernel stack traces both for builtin debug functions and for gdb. Max Filippov (8): xtensa: clean up Kconfig dependencies for custom cores xtensa: keep exception/interrupt stack continuous xtensa: move oprofile stack tracing to stacktrace.c xtensa: select PERF_USE_VMALLOC for cache-aliasing configurations xtensa: add profiling IRQ type to xtensa_irq_map xtensa: count software page fault perf events xtensa: implement counting and sampling perf events perf tools: xtensa: add DWARF register names arch/xtensa/Kconfig | 22 +- arch/xtensa/include/asm/stacktrace.h | 8 + arch/xtensa/kernel/Makefile | 1 + arch/xtensa/kernel/entry.S | 60 +++-- arch/xtensa/kernel/irq.c | 6 + arch/xtensa/kernel/perf_event.c | 450 +++++++++++++++++++++++++++++++ arch/xtensa/kernel/stacktrace.c | 167 +++++++++++- arch/xtensa/mm/fault.c | 7 + arch/xtensa/oprofile/backtrace.c | 158 +---------- tools/perf/arch/xtensa/Build | 1 + tools/perf/arch/xtensa/Makefile | 3 + tools/perf/arch/xtensa/util/Build | 1 + tools/perf/arch/xtensa/util/dwarf-regs.c | 25 ++ 13 files changed, 725 insertions(+), 184 deletions(-) create mode 100644 arch/xtensa/kernel/perf_event.c create mode 100644 tools/perf/arch/xtensa/Build create mode 100644 tools/perf/arch/xtensa/Makefile create mode 100644 tools/perf/arch/xtensa/util/Build create mode 100644 tools/perf/arch/xtensa/util/dwarf-regs.c -- 1.8.1.4