From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f202.google.com (mail-pg1-f202.google.com [209.85.215.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D240D1DDA1E for ; Wed, 9 Apr 2025 06:10:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744179060; cv=none; b=GrjURZCmcW0ibp2JZ2foBoBiXL3/+4dATzYHeD9oUUU8wTquisQB5ZVEOOHMIsAwXvfcBofQHgxKbVSFJ12/HA7cZBtTJhy47Ko42Z7Zogkjg+YA0yj6FJ7w+xCWa+uTuHulu8rJ9MMsU3+4wORiNOFG1pPJ7XdTYpWOtdmbcno= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744179060; c=relaxed/simple; bh=2l/1oKHeKrpT+PnW/axoFCb0/bWcsP4vJAsPyglQu90=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=I5VF7OX2bNseSoqOgk/8zvHGEmYfgrpKxZQam5gPh0BoPg4cFkbffFTsmI4wwnM5FbPYnu5DkgN5QBpH6vsoJCG8Uf2KneF0rAeOEIDu3wDn3rTTvKVo8SskGKObt3q/Yh5VbYlx52IUusi+40DI86CLhOKFggVTVB9Cm04tMsU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=u4efb/rU; arc=none smtp.client-ip=209.85.215.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="u4efb/rU" Received: by mail-pg1-f202.google.com with SMTP id 41be03b00d2f7-af8a4410816so5278145a12.1 for ; Tue, 08 Apr 2025 23:10:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1744179058; x=1744783858; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=n0w8p9z7uIDU2rw9JTfItdCw1PZrvXFzExYD6rhP3a4=; b=u4efb/rUv7bxkQ8Xbdbjdia3aiCSfzVfB2CPXmeZlk7NDz5iVSKXFhndvhKtGY1Qrd w42YY5fduSxqlkUdQ5lbo1SZnC/xOIyuwRQZJVz+q+1Fehqi5pM3iqNHEY1ahupbNOAy ZrxlhmAfczPm9tK0Frn//BnxDuMCIqkfIGIz4eM2M+2e+AHDPiq27HsAccWcUNVMJm3z lV+KRjiYfVxFV54JWq2saXRUy4v7TQz8WcO8t45VNONQnNs0JrJMOCbunvArP/cei6aP fg/OYmCweasFjuKyOQdAUi2Hia8mCUr/2k9CzmUzThKTpo6VX13hinep02JNE3ubc7hb AnKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744179058; x=1744783858; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=n0w8p9z7uIDU2rw9JTfItdCw1PZrvXFzExYD6rhP3a4=; b=AamAwOIfw0bT4A66OCNCiT4P+24bfueE6TBuQwQqGPh9v6Qt0sT/KrQczkpj+WSLo5 5s3b4SUsy93b6GaIjWoedPRYiUCROmVkkpOOH0WZdatDItSJBx5cWIySr0Y6KI724gve knySMRtkZYFzwCNClGxA/BZeY38on2gcluTYbSLM1vfvuMqDLx2s9mJCUkcOPWXKeLJK btVryIf3wtTnSkEJV8DXtSTydvqaVWvPZeIjwF6ok1bMTQjEHCedeLWhHxMzK3arz9hX naicp4Lckbqle5MWX9i42Su5gIuRjzR9DS+tddOi42meoDVW5qv9tzOj+SDLa02Q7OBf /FGw== X-Forwarded-Encrypted: i=1; AJvYcCUWmSkFH0justhMvsr8SMBTip2OolvsyUNxdDiOt1cT4yFnWIOFaxvjaTirEJOW4D5aFhymE/7Sf9oW9wI=@vger.kernel.org X-Gm-Message-State: AOJu0YzcOi2IstqvThv9P2ImU5a7inpOEwQJUrNllXmUublGipzcGcoA Ujrw+x/gydNSCw9zPzDMCL+etYFb7Qhal1qpGg29C/7sQ5ePuS4WO1Lt1tyTQAQ4Ne90Jz+4QmS TbvQOcA== X-Google-Smtp-Source: AGHT+IGc+7BVyntdU4p0HeIsWvtKzQBSgCNB0GNk0awJtPTye95FSjH/7LTIWpEujW8ers20zhFBSaddcB1O X-Received: from plth11.prod.google.com ([2002:a17:902:704b:b0:220:e84e:350c]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:2444:b0:224:1609:a747 with SMTP id d9443c01a7336-22ac29be769mr31883425ad.31.1744179057966; Tue, 08 Apr 2025 23:10:57 -0700 (PDT) Date: Tue, 8 Apr 2025 23:10:30 -0700 In-Reply-To: <20250409061043.700792-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250409061043.700792-1-irogers@google.com> X-Mailer: git-send-email 2.49.0.504.g3bcea36a83-goog Message-ID: <20250409061043.700792-4-irogers@google.com> Subject: [PATCH v4 03/16] perf intel-tpebs: Rename tpebs_start to evsel__tpebs_open From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , Weilin Wang , James Clark , Xu Yang , John Garry , Howard Chu , Levi Yun , Dominique Martinet , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Try to add more consistency to evsel by having tpebs_start renamed to evsel__tpebs_open, passing the evsel that is being opened. The unusual behavior of evsel__tpebs_open opening all events on the evlist is kept and will be cleaned up further in later patches. The comments are cleaned up as tpebs_start isn't called from evlist. Signed-off-by: Ian Rogers --- tools/perf/util/evsel.c | 2 +- tools/perf/util/intel-tpebs.c | 33 ++++++++++++++++----------------- tools/perf/util/intel-tpebs.h | 2 +- 3 files changed, 18 insertions(+), 19 deletions(-) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 1974395492d7..121283f2f382 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2595,7 +2595,7 @@ static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus, struct perf_cpu cpu; if (evsel__is_retire_lat(evsel)) - return tpebs_start(evsel->evlist); + return evsel__tpebs_open(evsel); err = __evsel__prepare_open(evsel, cpus, threads); if (err) diff --git a/tools/perf/util/intel-tpebs.c b/tools/perf/util/intel-tpebs.c index 74b43faab986..566e0ddcad88 100644 --- a/tools/perf/util/intel-tpebs.c +++ b/tools/perf/util/intel-tpebs.c @@ -12,6 +12,7 @@ #include #include #include "sample.h" +#include "counts.h" #include "debug.h" #include "evlist.h" #include "evsel.h" @@ -189,18 +190,16 @@ static int tpebs_stop(void) return ret; } -/* - * tpebs_start - start tpebs execution. - * @evsel_list: retire_latency evsels in this list will be selected and sampled - * to get the average retire_latency value. - * - * This function will be called from evlist level later when evlist__open() is - * called consistently. +/** + * evsel__tpebs_open - starts tpebs execution. + * @evsel: retire_latency evsel, all evsels on its list will be selected. Each + * evsel is sampled to get the average retire_latency value. */ -int tpebs_start(struct evlist *evsel_list) +int evsel__tpebs_open(struct evsel *evsel) { int ret = 0; - struct evsel *evsel; + struct evsel *pos; + struct evlist *evsel_list = evsel->evlist; char cpumap_buf[50]; /* @@ -215,25 +214,25 @@ int tpebs_start(struct evlist *evsel_list) * Prepare perf record for sampling event retire_latency before fork and * prepare workload */ - evlist__for_each_entry(evsel_list, evsel) { + evlist__for_each_entry(evsel_list, pos) { int i; char *name; struct tpebs_retire_lat *new; - if (!evsel->retire_lat) + if (!pos->retire_lat) continue; - pr_debug("tpebs: Retire_latency of event %s is required\n", evsel->name); - for (i = strlen(evsel->name) - 1; i > 0; i--) { - if (evsel->name[i] == 'R') + pr_debug("tpebs: Retire_latency of event %s is required\n", pos->name); + for (i = strlen(pos->name) - 1; i > 0; i--) { + if (pos->name[i] == 'R') break; } - if (i <= 0 || evsel->name[i] != 'R') { + if (i <= 0 || pos->name[i] != 'R') { ret = -1; goto err; } - name = strdup(evsel->name); + name = strdup(pos->name); if (!name) { ret = -ENOMEM; goto err; @@ -247,7 +246,7 @@ int tpebs_start(struct evlist *evsel_list) goto err; } new->name = name; - new->tpebs_name = evsel->name; + new->tpebs_name = pos->name; list_add_tail(&new->nd, &tpebs_results); tpebs_event_size += 1; } diff --git a/tools/perf/util/intel-tpebs.h b/tools/perf/util/intel-tpebs.h index 63c16e759a71..cc98203719c8 100644 --- a/tools/perf/util/intel-tpebs.h +++ b/tools/perf/util/intel-tpebs.h @@ -10,7 +10,7 @@ struct evsel; extern bool tpebs_recording; -int tpebs_start(struct evlist *evsel_list); +int evsel__tpebs_open(struct evsel *evsel); void tpebs_delete(void); int tpebs_set_evsel(struct evsel *evsel, int cpu_map_idx, int thread); -- 2.49.0.504.g3bcea36a83-goog