Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755634AbZGUQUm (ORCPT ); Tue, 21 Jul 2009 12:20:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755607AbZGUQUl (ORCPT ); Tue, 21 Jul 2009 12:20:41 -0400 Received: from mx2.redhat.com ([66.187.237.31]:41695 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754950AbZGUQUj (ORCPT ); Tue, 21 Jul 2009 12:20:39 -0400 Date: Tue, 21 Jul 2009 12:20:17 -0400 From: Jason Baron To: mingo@elte.hu Cc: linux-kernel@vger.kernel.org, paulus@samba.org, a.p.zijlstra@chello.nl, rostedt@goodmis.org, fweisbec@gmail.com Message-Id: Subject: [PATCH 0/2] perf_counter: add tracepoint support Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7842 Lines: 155 hi, The following two patches build on Peter's initial tracepoint perf counter work. The first patch, adds 'perf list' and 'perf stat' support to the perf tool. Thus, we can specify tracepoint events as: '-e subsystem:event_name'. The second patch looks for the debugfs filesystem in /proc/mounts, but also allows the user to specify '--debugfs-dir=blah' or set the environment variable: 'PERF_DIR_DEBUGFS' Below, I show the output of 'perf list', and 'perf stat' for a tbench run. thanks, -Jason #perf list List of pre-defined events (to be used in -e): cpu-cycles OR cycles [Hardware event] instructions [Hardware event] cache-references [Hardware event] cache-misses [Hardware event] branch-instructions OR branches [Hardware event] branch-misses [Hardware event] bus-cycles [Hardware event] cpu-clock [Software event] task-clock [Software event] page-faults OR faults [Software event] minor-faults [Software event] major-faults [Software event] context-switches OR cs [Software event] cpu-migrations OR migrations [Software event] L1-dcache-loads [Hardware cache event] L1-dcache-load-misses [Hardware cache event] L1-dcache-stores [Hardware cache event] L1-dcache-store-misses [Hardware cache event] L1-dcache-prefetches [Hardware cache event] L1-dcache-prefetch-misses [Hardware cache event] L1-icache-loads [Hardware cache event] L1-icache-load-misses [Hardware cache event] L1-icache-prefetches [Hardware cache event] L1-icache-prefetch-misses [Hardware cache event] LLC-loads [Hardware cache event] LLC-load-misses [Hardware cache event] LLC-stores [Hardware cache event] LLC-store-misses [Hardware cache event] LLC-prefetches [Hardware cache event] LLC-prefetch-misses [Hardware cache event] dTLB-loads [Hardware cache event] dTLB-load-misses [Hardware cache event] dTLB-stores [Hardware cache event] dTLB-store-misses [Hardware cache event] dTLB-prefetches [Hardware cache event] dTLB-prefetch-misses [Hardware cache event] iTLB-loads [Hardware cache event] iTLB-load-misses [Hardware cache event] branch-loads [Hardware cache event] branch-load-misses [Hardware cache event] rNNN [raw hardware event descriptor] skb:kfree_skb [Tracepoint event] block:block_rq_abort [Tracepoint event] block:block_rq_insert [Tracepoint event] block:block_rq_issue [Tracepoint event] block:block_rq_requeue [Tracepoint event] block:block_rq_complete [Tracepoint event] block:block_bio_bounce [Tracepoint event] block:block_bio_complete [Tracepoint event] block:block_bio_backmerge [Tracepoint event] block:block_bio_frontmerge [Tracepoint event] block:block_bio_queue [Tracepoint event] block:block_getrq [Tracepoint event] block:block_sleeprq [Tracepoint event] block:block_plug [Tracepoint event] block:block_unplug_timer [Tracepoint event] block:block_unplug_io [Tracepoint event] block:block_split [Tracepoint event] block:block_remap [Tracepoint event] kmem:kmalloc [Tracepoint event] kmem:kmem_cache_alloc [Tracepoint event] kmem:kmalloc_node [Tracepoint event] kmem:kmem_cache_alloc_node [Tracepoint event] kmem:kfree [Tracepoint event] kmem:kmem_cache_free [Tracepoint event] ftrace:kmem_free [Tracepoint event] ftrace:kmem_alloc [Tracepoint event] ftrace:power [Tracepoint event] ftrace:hw_branch [Tracepoint event] ftrace:branch [Tracepoint event] ftrace:print [Tracepoint event] ftrace:bprint [Tracepoint event] ftrace:user_stack [Tracepoint event] ftrace:kernel_stack [Tracepoint event] ftrace:special [Tracepoint event] ftrace:context_switch [Tracepoint event] ftrace:wakeup [Tracepoint event] ftrace:funcgraph_exit [Tracepoint event] ftrace:funcgraph_entry [Tracepoint event] ftrace:function [Tracepoint event] workqueue:workqueue_insertion [Tracepoint event] workqueue:workqueue_execution [Tracepoint event] workqueue:workqueue_creation [Tracepoint event] workqueue:workqueue_destruction [Tracepoint event] irq:irq_handler_entry [Tracepoint event] irq:irq_handler_exit [Tracepoint event] irq:softirq_entry [Tracepoint event] irq:softirq_exit [Tracepoint event] sched:sched_kthread_stop [Tracepoint event] sched:sched_kthread_stop_ret [Tracepoint event] sched:sched_wait_task [Tracepoint event] sched:sched_wakeup [Tracepoint event] sched:sched_wakeup_new [Tracepoint event] sched:sched_switch [Tracepoint event] sched:sched_migrate_task [Tracepoint event] sched:sched_process_free [Tracepoint event] sched:sched_process_exit [Tracepoint event] sched:sched_process_wait [Tracepoint event] sched:sched_process_fork [Tracepoint event] sched:sched_signal_send [Tracepoint event] # perf stat -a -e sched:sched_switch -e sched:sched_wakeup -e irq:irq_handler_entry tbench 4 Performance counter stats for 'tbench 4': 194658693 sched:sched_switch 97479295 sched:sched_wakeup 9122 irq:irq_handler_entry 720.171439729 seconds time elapsed -add support for tracepoints to the perf tool -add detection for debugfs mount directory tools/perf/perf.c | 58 +++++++++++++- tools/perf/util/cache.h | 1 + tools/perf/util/parse-events.c | 176 +++++++++++++++++++++++++++++++++++++++- tools/perf/util/parse-events.h | 3 + tools/perf/util/string.h | 3 + tools/perf/util/util.h | 2 + 6 files changed, 241 insertions(+), 2 deletions(-) -- 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/