From nobody Wed Oct 8 14:42:01 2025 Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) (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 F0D2722B5AC for ; Sat, 28 Jun 2025 04:51:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751086281; cv=none; b=sEfwPzFZqrPSGRq1y3I1yUMUgqIbAQYNX8lgI9mlIcsq8GRwI5MseoFHZ6D8p/MYwrF09OQ40fcfaLaiTzX3IIgBAscgP5uXkvDnSrUFMWVyix4XkQlkVLSgp07TtzPaEtOwJI0cuPlBP1ixDktHjMzcC5pCG+jLFf6O8nkn2JM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751086281; c=relaxed/simple; bh=XZ2G4kiVjld4rU4LFsnLYgXf2Edy2O94yr2BpTWHjrM=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=obO0R/mqhA24y5o/u3ahNRgs5UeEIm/8QM6aIz1H3RBnnIkleHbSeGarhHQ3w2MJ97CfS9d8K8vVflQr8Tcu6ftgRCKg+Z7tKJ2jpprpHCLxBcamPG68kua2ySvyNqIX7FrQsXEQE5kSrMkUmvSnwA8lqdgLQxu7Sm2WYkaWoa4= 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=Xa1G2V36; arc=none smtp.client-ip=209.85.210.201 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="Xa1G2V36" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-748cf01de06so1350452b3a.3 for ; Fri, 27 Jun 2025 21:51:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1751086279; x=1751691079; 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=igXQM6BRQW3014Wvuqhh3drIYdWuvzh4LJQBcoyEMvA=; b=Xa1G2V36UbE6ecX6ZmvwWONOex3/rxpxmva18laYL2ot7ASqMS/qt3SZAFkkpKJ28A AcHhdv+jFCNqHGTTbN88MWCwNwGSXQg/ojivOLQaI2xEBYLnOAWiMhXPR8gflSAeJaTT kQsMRVx5ivu58LrcbtJ+Ttq8b0gMk1u72pzH1Li9i0Km1ZtBDvGtTrgts5B1nIG9I0qa wDmFsTE4y1VJQ/0qrtwuh4ZsNpP5kG9VBvS06ny5fdxgViXNLsQJ/bgGKJlLRxeQv819 XmWJUU2tRFAcdOw4Fp9yPMnt9UiUy59QCXnxLZufTRwlPPZHJ+k3qozDD55z+9WcGAGK VOkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751086279; x=1751691079; 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=igXQM6BRQW3014Wvuqhh3drIYdWuvzh4LJQBcoyEMvA=; b=h9ACf9L84bwLoAMZ82f1hL4iQbRu25T3nBKyqHZyO3xzopewjeKbqAJFal+Ytr2kn8 MmwD4xXbXpdZfzrWEIOuL9EzUwd5PU74+ludVp68Eo5903a/4ShttZxM+865Pu87g5st fiS6AyDUs4XgllT+yqcGC4VTbFDBb9nCq7piHkY71RBSfGLNQEU9IzylYiA4FXqgiQrD 93rpEPwyN1sMzk3fDT6DIYuRSc8pZceogpK1He3bsLnOMemufsz+daVEUvMUUWGpHGAZ WDAvX+xFro6SVWaUj1onM23OAfPllP2nf09yr2s4p+wQueZf/5V1cpvgP6ifXd6yjfwl Y3GA== X-Forwarded-Encrypted: i=1; AJvYcCWelzELD/obWg6Ra9ZYUTf4QpxckB3hGXCRVePi9V5AFtO7jBQhcLQPDB6Y+zD9P1TpWKkrgbdyqy7aSlg=@vger.kernel.org X-Gm-Message-State: AOJu0YwCI/aM9duB3mhsuhVzOH0e4uN2FmmIn7/xGlhctlGq3b3nbjpA qm87KXYPBmZf7ogP7rPB2UzB9JNHVc3cflX23qfETrtdM4EWioHjVDjhk/ZeynVFdJwudzn29jb amM3I3RUtSA== X-Google-Smtp-Source: AGHT+IGlr6aNseajtUasZEJx8sFDfiqYdn+3ReaGiasBgRfrtEPijj3lkiCuoFZfZnQw3dWyqb7RcC1LSJ5S X-Received: from pgb12.prod.google.com ([2002:a05:6a02:340c:b0:b2f:64be:6881]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:900f:b0:1f5:709d:e0c6 with SMTP id adf61e73a8af0-220a17ef512mr7681833637.42.1751086279488; Fri, 27 Jun 2025 21:51:19 -0700 (PDT) Date: Fri, 27 Jun 2025 21:50:12 -0700 In-Reply-To: <20250628045017.1361563-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250628045017.1361563-1-irogers@google.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog Message-ID: <20250628045017.1361563-19-irogers@google.com> Subject: [PATCH v5 18/23] perf auxtrace: Pass perf_env from session through to mmap read 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 , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , "Masami Hiramatsu (Google)" , Ravi Bangoria , Charlie Jenkins , Colin Ian King , Andi Kleen , Dmitry Vyukov , Graham Woodward , Ilkka Koskinen , Zhongqiu Han , Yicong Yang , Athira Rajeev , Kajol Jain , Li Huafei , "Steinar H. Gunderson" , Stephen Brennan , Chun-Tse Shao , Yujie Liu , "Dr. David Alan Gilbert" , Levi Yun , Howard Chu , Weilin Wang , Thomas Falcon , Matt Fleming , Veronika Molnarova , "=?UTF-8?q?Krzysztof=20=C5=81opatowski?=" , Zixian Cai , Steve Clevenger , Ben Gainey , Chaitanya S Prakash , Martin Liska , "=?UTF-8?q?Martin=20Li=C5=A1ka?=" , Song Liu , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" auxtrace_mmap__read and auxtrace_mmap__read_snapshot end up calling `evsel__env(NULL)` which returns the global perf_env variable for the host. Their only call is in perf record. Rather than use the global variable pass through the perf_env for `perf record`. Signed-off-by: Ian Rogers --- tools/perf/builtin-record.c | 8 ++++++-- tools/perf/util/auxtrace.c | 13 +++++++------ tools/perf/util/auxtrace.h | 6 ++++-- 3 files changed, 17 insertions(+), 10 deletions(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 546c54b34155..362312c764cb 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -775,7 +775,9 @@ static int record__auxtrace_mmap_read(struct record *re= c, { int ret; =20 - ret =3D auxtrace_mmap__read(map, rec->itr, &rec->tool, + ret =3D auxtrace_mmap__read(map, rec->itr, + perf_session__env(rec->session), + &rec->tool, record__process_auxtrace); if (ret < 0) return ret; @@ -791,7 +793,9 @@ static int record__auxtrace_mmap_read_snapshot(struct r= ecord *rec, { int ret; =20 - ret =3D auxtrace_mmap__read_snapshot(map, rec->itr, &rec->tool, + ret =3D auxtrace_mmap__read_snapshot(map, rec->itr, + perf_session__env(rec->session), + &rec->tool, record__process_auxtrace, rec->opts.auxtrace_snapshot_size); if (ret < 0) diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index 03211c2623de..ebd32f1b8f12 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -1890,7 +1890,7 @@ int __weak compat_auxtrace_mmap__write_tail(struct au= xtrace_mmap *mm, u64 tail) } =20 static int __auxtrace_mmap__read(struct mmap *map, - struct auxtrace_record *itr, + struct auxtrace_record *itr, struct perf_env *env, const struct perf_tool *tool, process_auxtrace_t fn, bool snapshot, size_t snapshot_size) { @@ -1900,7 +1900,7 @@ static int __auxtrace_mmap__read(struct mmap *map, size_t size, head_off, old_off, len1, len2, padding; union perf_event ev; void *data1, *data2; - int kernel_is_64_bit =3D perf_env__kernel_is_64_bit(evsel__env(NULL)); + int kernel_is_64_bit =3D perf_env__kernel_is_64_bit(env); =20 head =3D auxtrace_mmap__read_head(mm, kernel_is_64_bit); =20 @@ -2002,17 +2002,18 @@ static int __auxtrace_mmap__read(struct mmap *map, } =20 int auxtrace_mmap__read(struct mmap *map, struct auxtrace_record *itr, - const struct perf_tool *tool, process_auxtrace_t fn) + struct perf_env *env, const struct perf_tool *tool, + process_auxtrace_t fn) { - return __auxtrace_mmap__read(map, itr, tool, fn, false, 0); + return __auxtrace_mmap__read(map, itr, env, tool, fn, false, 0); } =20 int auxtrace_mmap__read_snapshot(struct mmap *map, - struct auxtrace_record *itr, + struct auxtrace_record *itr, struct perf_env *env, const struct perf_tool *tool, process_auxtrace_t fn, size_t snapshot_size) { - return __auxtrace_mmap__read(map, itr, tool, fn, true, snapshot_size); + return __auxtrace_mmap__read(map, itr, env, tool, fn, true, snapshot_size= ); } =20 /** diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index b0db84d27b25..f001cbb68f8e 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -23,6 +23,7 @@ union perf_event; struct perf_session; struct evlist; struct evsel; +struct perf_env; struct perf_tool; struct mmap; struct perf_sample; @@ -512,10 +513,11 @@ typedef int (*process_auxtrace_t)(const struct perf_t= ool *tool, size_t len1, void *data2, size_t len2); =20 int auxtrace_mmap__read(struct mmap *map, struct auxtrace_record *itr, - const struct perf_tool *tool, process_auxtrace_t fn); + struct perf_env *env, const struct perf_tool *tool, + process_auxtrace_t fn); =20 int auxtrace_mmap__read_snapshot(struct mmap *map, - struct auxtrace_record *itr, + struct auxtrace_record *itr, struct perf_env *env, const struct perf_tool *tool, process_auxtrace_t fn, size_t snapshot_size); =20 --=20 2.50.0.727.gbf7dc18ff4-goog