Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752877Ab1BUVCh (ORCPT ); Mon, 21 Feb 2011 16:02:37 -0500 Received: from sj-iport-6.cisco.com ([171.71.176.117]:56272 "EHLO sj-iport-6.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752651Ab1BUVCf (ORCPT ); Mon, 21 Feb 2011 16:02:35 -0500 X-IronPort-AV: E=Sophos;i="4.62,202,1297036800"; d="scan'208";a="663558089" From: David Ahern To: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: acme@ghostprotocols.net, mingo@elte.hu, peterz@infradead.org, fweisbec@gmail.com, paulus@samba.org, tglx@linutronix.de, David Ahern Subject: [PATCH 0/4] perf events: Add realtime clock event and timehist option -v2 Date: Mon, 21 Feb 2011 14:02:26 -0700 Message-Id: <1298322150-15505-1-git-send-email-daahern@cisco.com> X-Mailer: git-send-email 1.7.3.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3075 Lines: 67 v1 -> v2: - removed change to WARN_ON_ONCE in perf_event.c - fixed init of realtime_clock event (needed call to perf_swevent_init_hrtimer) - changed userspace event name to clock-realtime with the alias clkr as the raw events code sucks up all options that start with 'r' followed by a hex character - remove RAW sample hack for pushing realtime clock event data to userspace - plumbed PERF_SAMPLE_READ to enable retrieving event data during sample generation - add patch to perf-stat to recognize realtime-clock as a nsec counter - implementation of tiemhist in perf-record was revamped significantly -- to use event data, -- to better handle fallback to synthesized event, -- added feature to force a sample to be generated at startup (to output wall-clock times we need a sample immediately; after that realtime-clock samples are generated periodically) -- change counter creation to be done only on first cpu; we do not need a counter for each cpu A request was made to modify perf-trace and perf-script. From what I can see perf-trace does not exist yet and perf-script requires raw data which means it does not work for the primary use case that motivated this feature (perf record -e cs -1 -ag). CC: Arnaldo Carvalho de Melo CC: Ingo Molnar CC: Peter Zijlstra CC: Frederic Weisbecker CC: Paul Mackerras CC: Thomas Gleixner David Ahern (4): perf events: Introduce realtime clock event perf events: plumbing for PERF_SAMPLE_READ and read_format perf events: add timehist option to record and report perf stat: treat realtime-clock as nsec counter include/linux/perf_event.h | 2 + kernel/perf_event.c | 85 ++++++++++++ tools/perf/Documentation/perf-record.txt | 4 + tools/perf/Documentation/perf-report.txt | 6 + tools/perf/builtin-record.c | 113 ++++++++++++++++- tools/perf/builtin-report.c | 208 +++++++++++++++++++++++++++++- tools/perf/builtin-stat.c | 5 +- tools/perf/builtin-test.c | 3 +- tools/perf/util/event.c | 1 + tools/perf/util/event.h | 18 +++- tools/perf/util/evlist.c | 2 +- tools/perf/util/evlist.h | 2 + tools/perf/util/evsel.c | 24 +++- tools/perf/util/header.c | 18 +++ tools/perf/util/header.h | 1 + tools/perf/util/parse-events.c | 2 + tools/perf/util/python.c | 3 +- tools/perf/util/session.c | 16 +++ tools/perf/util/session.h | 9 +- 19 files changed, 507 insertions(+), 15 deletions(-) -- 1.7.3.4 -- 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/