From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933320AbcI0Nzz (ORCPT ); Tue, 27 Sep 2016 09:55:55 -0400 Received: from mail.kernel.org ([198.145.29.136]:56226 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755154AbcI0Nzr (ORCPT ); Tue, 27 Sep 2016 09:55:47 -0400 Date: Tue, 27 Sep 2016 10:55:38 -0300 From: Arnaldo Carvalho de Melo To: Masami Hiramatsu Cc: wang@infradead.org, Jiri Olsa , David Ahern , Namhyung Kim , Linux Kernel Mailing List Subject: using SDT events Message-ID: <20160927135538.GN5588@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.7.0 (2016-08-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Masami, Testing something else (event aliases/JSON) I saw the many sdt events available via 'perf list', decided to use the usual workflow, failed, what am I doing wrong? [root@jouet ~]# perf list sdt_qemu:pci* List of pre-defined events (to be used in -e): sdt_qemu:pci_cfg_read [SDT event] sdt_qemu:pci_cfg_write [SDT event] sdt_qemu:pci_update_mappings_add [SDT event] sdt_qemu:pci_update_mappings_del [SDT event] [root@jouet ~]# perf record -e sdt_qemu:pci* -a event syntax error: 'sdt_qemu:pci*' \___ unknown tracepoint Error: File /sys/kernel/debug/tracing/events/sdt_qemu/pci* not found. Hint: Perhaps this kernel misses some CONFIG_ setting to enable this feature?. Run 'perf list' for a list of valid events Usage: perf record [] [] or: perf record [] -- [] -e, --event event selector. use 'perf list' to list available events [root@jouet ~]#