Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933977AbbLPAzu (ORCPT ); Tue, 15 Dec 2015 19:55:50 -0500 Received: from mga14.intel.com ([192.55.52.115]:3743 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932651AbbLPAyl (ORCPT ); Tue, 15 Dec 2015 19:54:41 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,434,1444719600"; d="scan'208";a="708450448" From: Andi Kleen To: acme@kernel.org, peterz@infradead.org Cc: jolsa@kernel.org, mingo@kernel.org, linux-kernel@vger.kernel.org, eranian@google.com, namhyung@kernel.org, Andi Kleen Subject: [PATCH 10/10] x86, perf: Add Top Down events to Intel Atom Date: Tue, 15 Dec 2015 16:54:26 -0800 Message-Id: <1450227266-2501-11-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1450227266-2501-1-git-send-email-andi@firstfloor.org> References: <1450227266-2501-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2336 Lines: 64 From: Andi Kleen Add topdown event declarations to Silvermont / Airmont. These cores do not support the full Top Down metrics, but an useful subset (FrontendBound, Retiring, Backend Bound/Bad Speculation). The perf stat tool automatically handles the missing events and combines the available metrics. Signed-off-by: Andi Kleen --- arch/x86/kernel/cpu/perf_event_intel.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 2eb50f7..432b9c9 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1379,6 +1379,29 @@ static __initconst const u64 atom_hw_cache_event_ids }, }; +EVENT_ATTR_STR(topdown-total-slots, td_total_slots_slm, "event=0x3c"); +EVENT_ATTR_STR(topdown-total-slots.scale, td_total_slots_scale_slm, "2"); +/* no_alloc_cycles.not_delivered */ +EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles_slm, + "event=0xca,umask=0x50"); +EVENT_ATTR_STR(topdown-fetch-bubbles.scale, td_fetch_bubbles_scale_slm, "2"); +/* uops_retired.all */ +EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued_slm, + "event=0xc2,umask=0x10"); +/* uops_retired.all */ +EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired_slm, + "event=0xc2,umask=0x10"); + +static struct attribute *slm_events_attrs[] = { + EVENT_PTR(td_total_slots_slm), + EVENT_PTR(td_total_slots_scale_slm), + EVENT_PTR(td_fetch_bubbles_slm), + EVENT_PTR(td_fetch_bubbles_scale_slm), + EVENT_PTR(td_slots_issued_slm), + EVENT_PTR(td_slots_retired_slm), + NULL +}; + static struct extra_reg intel_slm_extra_regs[] __read_mostly = { /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ @@ -3416,6 +3439,7 @@ __init int intel_pmu_init(void) x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints; x86_pmu.extra_regs = intel_slm_extra_regs; x86_pmu.flags |= PMU_FL_HAS_RSP_1; + x86_pmu.cpu_events = slm_events_attrs; pr_cont("Silvermont events, "); break; -- 2.4.3 -- 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/