From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756093Ab3FLKNX (ORCPT ); Wed, 12 Jun 2013 06:13:23 -0400 Received: from mms3.broadcom.com ([216.31.210.19]:2820 "EHLO mms3.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752295Ab3FLKNW (ORCPT ); Wed, 12 Jun 2013 06:13:22 -0400 X-Server-Uuid: B86B6450-0931-4310-942E-F00ED04CA7AF Message-ID: <51B849BA.6000802@broadcom.com> Date: Wed, 12 Jun 2013 12:13:14 +0200 From: "Arend van Spriel" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130510 Thunderbird/17.0.6 MIME-Version: 1.0 To: "Steven Rostedt" cc: "linux-kernel@vger.kernel.org" Subject: event filtering with trace-cmd X-WSS-ID: 7DA6982A2L831973834-01-01 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Steven I wanted to filter my debug events getting only one specific level. So I followed the instruction found online, but I get a parse error. Running on 3.10-rc1 using trace-cmd 1.0.3. Should I upgrade? Regards, Arend ----8<----------------------------------------------------------------- events/brcmfmac/brcmf_dbg# cat format name: brcmf_dbg ID: 1133 format: field:unsigned short common_type; offset:0; size:2; signed:0; field:unsigned char common_flags; offset:2; size:1; signed:0; field:unsigned char common_preempt_count; offset:3; size:1; signed:0; field:int common_pid; offset:4; size:4; signed:1; field:u32 level; offset:8; size:4; signed:0; field:__data_loc char[] func; offset:12; size:4; signed:1; field:__data_loc char[] msg; offset:16; size:4; signed:1; print fmt: "%s: %s", __get_str(func), __get_str(msg) # sudo trace-cmd record -e brcmfmac:brcmf_dbg -f 'level & 0x40000' disable all enable brcmfmac:brcmf_dbg path = /sys/kernel/debug/tracing/events/brcmfmac/brcmf_dbg/enable (level & 0x40000) ^ parse_error: Invalid operator trace-cmd: Invalid argument Failed filter of /sys/kernel/debug/tracing/events/brcmfmac/brcmf_dbg/filter