From nobody Mon Apr 6 18:22:51 2026 Received: from mail-dl1-f73.google.com (mail-dl1-f73.google.com [74.125.82.73]) (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 79B703A7850 for ; Wed, 18 Mar 2026 17:58:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773856709; cv=none; b=ixj6uj1wZH+mtXxAoyRfEwUuB2SI+bgXRKZMTFeyJozsZ8wB9R0jxJhRDLNM3g/paA1JjYKukvEoskvitLf1CfFFXi69xscUxENZMlb/k7nO9MAQN00wUn4QGqsOvZtduHatDRxUnGaLMH6XevV/x0KQ1MFb/70tPZGf/jWA0p0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773856709; c=relaxed/simple; bh=A0GmPbCjJnn1aBXkaKYVs2MSN28WJDd3xDZa3Kc40Go=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=eQlK2RZxTdY9w4lANeEUkH3mE/vzUPGQC7w0zEpaIePamYXs0P9lSzW9pyNR1mby3QZW0i9A+mDMUIRIr5tOD9nlf7nXNf/DgYB+x2Ew5nabI2niN4rFV3huOgAmYVilJjpfKQmczyrTOvm3UhC89uSdC8OQK6AwXzZ1aLm6qf8= 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=i0j9hNqe; arc=none smtp.client-ip=74.125.82.73 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="i0j9hNqe" Received: by mail-dl1-f73.google.com with SMTP id a92af1059eb24-127337c8e52so3197752c88.1 for ; Wed, 18 Mar 2026 10:58:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1773856707; x=1774461507; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=nSZEuWL4PES8N47OQb2rrJbHDGRdHRzrhZzS2INVBJI=; b=i0j9hNqeYP8EiPRrn6b0Px8nZPj+jsInVA86ZFghwybxGjAt1WxDOGKoKtdTjtNE7i C46S93OzD0dDrsz5BNNgyJGZbpf9fj4GS63klkPkVqHNZyJkufFZJAWepRABCwO7p2I4 XzbkrPvEvoNgGAeFcUCzwA3gjvtrkvlN5G71iTUELKSsPhMnGmpTUnW6ezAHBDSPwLM2 cm0aR7zIeoEcR0pSYiqmOXYOP4eB4APssi1gP/5CC3uJSBJIIlZ3Mw+laZe4rU7BPpBK FfUdULBeW7wEvza6FFpbZ20gSgggRLaQbFWdVYabUtrm9cOrK1QYzM9zLKMSuw2Et6Xt KUvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773856707; x=1774461507; h=cc: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=nSZEuWL4PES8N47OQb2rrJbHDGRdHRzrhZzS2INVBJI=; b=EUELeba9kHY6Dr2XDrID0LmDi8Gng6oXPtqJfsar92yJ80wpQI1Sg548hZlD6IfWn3 1BB5q24daixPBOY4yJHBzfQpQ/DISlerVZCUSjOC1EF9esjc7NKetgVAp/TbTPsGHGSv hxR8HOVEh7yBrSBE/TzA+9ZlvDqC/0QwtPA42wdnKrbvWq2mFhoCt6pLlWCWjvmPQwjL sFDzTtM8g9J2+vdWf1JHfmaSpF7s3vh4VlZUecfOF/nEnsNnpSaMU6nyH1Pia70CxoWT ztHCWDWgj18CSStHBJ105HbNmyTE9YbR2BBI/mIyhO9qGZqcLqqbvgV49ff07uj9rAWs qWKA== X-Forwarded-Encrypted: i=1; AJvYcCWOq8Vzf0CXrTls2SxAcTI0S/YCcAFHYKH32F6DE338uSL2ba8XVnoQ2lR+SQIyzzbTDTCdyReTxinbDDQ=@vger.kernel.org X-Gm-Message-State: AOJu0YxFGIClQENRUK3iSn7nsVuKX1hHel39GhEJtZhGkD//+V3W8X+U 0RpaFul7pnujdPtlShDUVDzTva6BTeZe1TOPSL8v9pGEAoXA2PO/B+0Aup98FJ8ayQrS4gZbhpy 5C6v6+dgEUA== X-Received: from dldz19-n1.prod.google.com ([2002:a05:701b:4193:10b0:127:8aee:c50c]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:125:b0:11b:9b9f:426b with SMTP id a92af1059eb24-129a715f0f3mr2275763c88.20.1773856706446; Wed, 18 Mar 2026 10:58:26 -0700 (PDT) Date: Wed, 18 Mar 2026 10:58:06 -0700 In-Reply-To: <20260318175808.582009-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260318175808.582009-1-irogers@google.com> X-Mailer: git-send-email 2.53.0.851.ga537e3e6e9-goog Message-ID: <20260318175808.582009-4-irogers@google.com> Subject: [PATCH v7 3/5] perf evsel: Constify option arguments to config functions From: Ian Rogers To: tmricht@linux.ibm.com Cc: irogers@google.com, acme@kernel.org, agordeev@linux.ibm.com, gor@linux.ibm.com, hca@linux.ibm.com, japo@linux.ibm.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-s390@vger.kernel.org, namhyung@kernel.org, sumanthk@linux.ibm.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The options are used to configure the evsel but are not themselves configured. Make the arguments const to better capture this. Signed-off-by: Ian Rogers Tested-by: Thomas Richter --- tools/perf/util/evsel.c | 20 ++++++++++---------- tools/perf/util/evsel.h | 8 ++++---- 2 files changed, 14 insertions(+), 14 deletions(-) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index bd14d9bbc91f..54c8922a8e47 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1015,8 +1015,8 @@ uint16_t evsel__e_machine(struct evsel *evsel, uint32= _t *e_flags) return perf_session__e_machine(session, e_flags); } =20 -static void __evsel__config_callchain(struct evsel *evsel, struct record_o= pts *opts, - struct callchain_param *param) +static void __evsel__config_callchain(struct evsel *evsel, const struct re= cord_opts *opts, + const struct callchain_param *param) { bool function =3D evsel__is_function_event(evsel); struct perf_event_attr *attr =3D &evsel->core.attr; @@ -1080,14 +1080,14 @@ static void __evsel__config_callchain(struct evsel = *evsel, struct record_opts *o attr->defer_callchain =3D 1; } =20 -void evsel__config_callchain(struct evsel *evsel, struct record_opts *opts, - struct callchain_param *param) +void evsel__config_callchain(struct evsel *evsel, const struct record_opts= *opts, + const struct callchain_param *param) { if (param->enabled) return __evsel__config_callchain(evsel, opts, param); } =20 -static void evsel__reset_callgraph(struct evsel *evsel, struct callchain_p= aram *param) +static void evsel__reset_callgraph(struct evsel *evsel, const struct callc= hain_param *param) { struct perf_event_attr *attr =3D &evsel->core.attr; =20 @@ -1106,7 +1106,7 @@ static void evsel__reset_callgraph(struct evsel *evse= l, struct callchain_param * =20 static void evsel__apply_ratio_to_prev(struct evsel *evsel, struct perf_event_attr *attr, - struct record_opts *opts, + const struct record_opts *opts, const char *buf) { struct perf_event_attr *prev_attr =3D NULL; @@ -1170,7 +1170,7 @@ static void evsel__apply_ratio_to_prev(struct evsel *= evsel, } =20 static void evsel__apply_config_terms(struct evsel *evsel, - struct record_opts *opts, bool track) + const struct record_opts *opts, bool track) { struct evsel_config_term *term; struct list_head *config_terms =3D &evsel->config_terms; @@ -1445,7 +1445,7 @@ void __weak arch_evsel__apply_ratio_to_prev(struct ev= sel *evsel __maybe_unused, { } =20 -static void evsel__set_default_freq_period(struct record_opts *opts, +static void evsel__set_default_freq_period(const struct record_opts *opts, struct perf_event_attr *attr) { if (opts->freq) { @@ -1490,8 +1490,8 @@ bool evsel__is_offcpu_event(struct evsel *evsel) * enable/disable events specifically, as there's no * initial traced exec call. */ -void evsel__config(struct evsel *evsel, struct record_opts *opts, - struct callchain_param *callchain) +void evsel__config(struct evsel *evsel, const struct record_opts *opts, + const struct callchain_param *callchain) { struct evsel *leader =3D evsel__leader(evsel); struct perf_event_attr *attr =3D &evsel->core.attr; diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 97f57fab28ce..339b5c08a33d 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -287,10 +287,10 @@ void evsel__set_priv_destructor(void (*destructor)(vo= id *priv)); =20 struct callchain_param; =20 -void evsel__config(struct evsel *evsel, struct record_opts *opts, - struct callchain_param *callchain); -void evsel__config_callchain(struct evsel *evsel, struct record_opts *opts, - struct callchain_param *callchain); +void evsel__config(struct evsel *evsel, const struct record_opts *opts, + const struct callchain_param *callchain); +void evsel__config_callchain(struct evsel *evsel, const struct record_opts= *opts, + const struct callchain_param *callchain); =20 int __evsel__sample_size(u64 sample_type); void evsel__calc_id_pos(struct evsel *evsel); --=20 2.53.0.851.ga537e3e6e9-goog