From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACA41C7EE2E for ; Fri, 26 May 2023 18:34:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242782AbjEZSe1 (ORCPT ); Fri, 26 May 2023 14:34:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236450AbjEZSeW (ORCPT ); Fri, 26 May 2023 14:34:22 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C28771BF for ; Fri, 26 May 2023 11:34:17 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-ba8338f20bdso1423524276.0 for ; Fri, 26 May 2023 11:34:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1685126057; x=1687718057; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=PQ6/7wH3wD+sz3l8jATNpn1TZP74J5iSNRHOLe9pzI0=; b=AUsGHk1c9uTHOghP5ICbKsK1um7JsTzGLRPWZUjJIfN5E2WrVSOFdOrqJu/tv99hd8 ewuYNgOMwXmdbKIHQbdVpXweNIEL+jY7QjWrUeBKdHfCI1ck3e09pHpzzd63jjzW18Z1 kPT2/UDwNRh94p9o+F5V7XEwAJ84y224EelIL3IaP+cb9H7SQer0EwFev6vh6UdUoeCF rBDj78sV7z3SLwRTYpKELGkD0sOqpNb5Nkqf+Nf5vtxruSzwDVY2/uMuO2yWujkVfBFu 82gPmmJBt2/rQlTpIJMfKKSBMFQYDVHBOj7f7Rx3a29OOyyD1hz2O8fniSlJId5vB3c3 u4YA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685126057; x=1687718057; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=PQ6/7wH3wD+sz3l8jATNpn1TZP74J5iSNRHOLe9pzI0=; b=gPL9/QKwbWKr9xSM2MRUr8ee9mJkguw9P+LIel9aVXDcylIJRnklU1lCqzLBwOUNU8 Y/TWPII7zTGW93vjtbfsYvh/9VuYM+/FtvuSLW9LvDpaRYEXepE+1ppcMGh9XofgLRC4 Kntmzs4qzcdx4tDBoYgJ73hqhZ7ez76eJIdNWXyJbltkzF9X+E61XI9VJgvpuIY/Y/I4 p8BKSCdZxWIvSTdqZ4omeYR0Occ9E5r34Rw0/ZivLyTI3xxUJB7FAdMDGlJHiv8ReGqg OMAuNY6SdkbPhcx2T900M327BgmlaaJ+YVlW1xim8oymjc73pTQhaIbG69SL6giuxHRC 9BIw== X-Gm-Message-State: AC+VfDz5D1PYJqXpYdKr6BIrgiZ1ar2rsjM0CCY2DPplFi+c24OIQTyX BdIQN3GPuM1mt5RfY4I0qOcoQl1mKzxL X-Google-Smtp-Source: ACHHUZ4zT9LUn7F28yS/jJQpZRHjLu6YwE5B/u1eMByll0FnuiZaqF3ZyXswJfnaDiLO+Qqj6Gts33K0tiQ7 X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:3b4e:312c:644:a642]) (user=irogers job=sendgmr) by 2002:a25:4542:0:b0:ba8:93c3:331a with SMTP id s63-20020a254542000000b00ba893c3331amr1404539yba.5.1685126056971; Fri, 26 May 2023 11:34:16 -0700 (PDT) Date: Fri, 26 May 2023 11:33:48 -0700 In-Reply-To: <20230526183401.2326121-1-irogers@google.com> Message-Id: <20230526183401.2326121-4-irogers@google.com> Mime-Version: 1.0 References: <20230526183401.2326121-1-irogers@google.com> X-Mailer: git-send-email 2.41.0.rc0.172.g3f132b7071-goog Subject: [PATCH v2 03/16] perf test x86: intel-pt-test data is immutable so mark it const From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , "Masami Hiramatsu (Google)" , "Steven Rostedt (Google)" , Ross Zwisler , Leo Yan , Tiezhu Yang , Yang Jihong , Andi Kleen , Kan Liang , Ravi Bangoria , Sean Christopherson , K Prateek Nayak , Paolo Bonzini , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org This allows the movement of 5,808 bytes from .data to .rodata. Signed-off-by: Ian Rogers --- tools/perf/arch/x86/tests/intel-pt-test.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/tools/perf/arch/x86/tests/intel-pt-test.c b/tools/perf/arch/x86/tests/intel-pt-test.c index 70b7f79396b1..09d61fa736e3 100644 --- a/tools/perf/arch/x86/tests/intel-pt-test.c +++ b/tools/perf/arch/x86/tests/intel-pt-test.c @@ -22,7 +22,7 @@ * @new_ctx: expected new packet context * @ctx_unchanged: the packet context must not change */ -static struct test_data { +static const struct test_data { int len; u8 bytes[INTEL_PT_PKT_MAX_SZ]; enum intel_pt_pkt_ctx ctx; @@ -186,7 +186,7 @@ static struct test_data { {0, {0}, 0, {0, 0, 0}, 0, 0 }, }; -static int dump_packet(struct intel_pt_pkt *packet, u8 *bytes, int len) +static int dump_packet(const struct intel_pt_pkt *packet, const u8 *bytes, int len) { char desc[INTEL_PT_PKT_DESC_MAX]; int ret, i; @@ -206,14 +206,14 @@ static int dump_packet(struct intel_pt_pkt *packet, u8 *bytes, int len) return TEST_OK; } -static void decoding_failed(struct test_data *d) +static void decoding_failed(const struct test_data *d) { pr_debug("Decoding failed!\n"); pr_debug("Decoding: "); dump_packet(&d->packet, d->bytes, d->len); } -static int fail(struct test_data *d, struct intel_pt_pkt *packet, int len, +static int fail(const struct test_data *d, struct intel_pt_pkt *packet, int len, enum intel_pt_pkt_ctx new_ctx) { decoding_failed(d); @@ -242,7 +242,7 @@ static int fail(struct test_data *d, struct intel_pt_pkt *packet, int len, return TEST_FAIL; } -static int test_ctx_unchanged(struct test_data *d, struct intel_pt_pkt *packet, +static int test_ctx_unchanged(const struct test_data *d, struct intel_pt_pkt *packet, enum intel_pt_pkt_ctx ctx) { enum intel_pt_pkt_ctx old_ctx = ctx; @@ -258,7 +258,7 @@ static int test_ctx_unchanged(struct test_data *d, struct intel_pt_pkt *packet, return TEST_OK; } -static int test_one(struct test_data *d) +static int test_one(const struct test_data *d) { struct intel_pt_pkt packet; enum intel_pt_pkt_ctx ctx = d->ctx; @@ -307,7 +307,7 @@ static int test_one(struct test_data *d) */ int test__intel_pt_pkt_decoder(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - struct test_data *d = data; + const struct test_data *d = data; int ret; for (d = data; d->len; d++) { -- 2.41.0.rc0.172.g3f132b7071-goog