Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758147Ab0DBFGq (ORCPT ); Fri, 2 Apr 2010 01:06:46 -0400 Received: from mail-gy0-f174.google.com ([209.85.160.174]:40846 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753652Ab0DBFGj (ORCPT ); Fri, 2 Apr 2010 01:06:39 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=kW9d6xVhCRKMiIBe5D/+xxOOhF+lKQoKfTixj6KVmV+Lq5KPXB42nyWnZfKMZ+F8cU 4Irjr6v80wf10zlGRaId9kqaTbB1qhzA6JFhz42iRiyb5jkdBSprZFo6AuBbGc/oTTdc ybXyuUpFn9pg29y9GOvRaoXgI/i0wJY+uhunU= From: Tom Zanussi To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, fweisbec@gmail.com, rostedt@goodmis.org, k-keiichi@bx.jp.nec.com, acme@ghostprotocols.net Subject: [RFC v2][PATCH 03/11] perf report: introduce special handling for pipe input Date: Thu, 1 Apr 2010 23:59:17 -0500 Message-Id: <1270184365-8281-4-git-send-email-tzanussi@gmail.com> X-Mailer: git-send-email 1.6.4.GIT In-Reply-To: <1270184365-8281-1-git-send-email-tzanussi@gmail.com> References: <1270184365-8281-1-git-send-email-tzanussi@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1760 Lines: 58 Adds special treatment for stdin - if the user specifies '-i -' to perf report, the intent is that the event stream be written to stdin rather than from a disk file. The actual handling of the '-' filename is done by the session; this just adds a signal handler to stop reporting, and turns off interference by the pager. Signed-off-by: Tom Zanussi --- tools/perf/builtin-report.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 6ab1698..a104121 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -267,6 +267,13 @@ static struct perf_event_ops event_ops = { .read = process_read_event, }; +extern volatile int session_done; + +static void sig_handler(int sig __attribute__((__unused__))) +{ + session_done = 1; +} + static int __cmd_report(void) { int ret = -EINVAL; @@ -274,6 +281,8 @@ static int __cmd_report(void) struct rb_node *next; const char *help = "For a higher level overview, try: perf report --sort comm,dso"; + signal(SIGINT, sig_handler); + session = perf_session__new(input_name, O_RDONLY, force); if (session == NULL) return -ENOMEM; @@ -461,7 +470,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) { argc = parse_options(argc, argv, options, report_usage, 0); - setup_browser(); + if (strcmp(input_name, "-") != 0) + setup_browser(); if (symbol__init() < 0) return -1; -- 1.6.4.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/