From nobody Mon Oct 6 05:01:22 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 724AA2E7BBE; Fri, 25 Jul 2025 10:08:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753438113; cv=none; b=h1N0G6JflE2rh2uYz0mLyRWEIaMCv58Vuca+XCnwq78ZL/RM9POkDXbO6P6oObdFXCBobv+iin79CcHgpJh7gMgqWKhfJZ7t+WUDnseIDE60+22fDiXut4I/h1sqK+j/bzxIO8vf8G7rCusJOFaDSwVum9rUSoBBiI2MmbtSDWo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753438113; c=relaxed/simple; bh=5VhjTk5cRVzoBPnaiyr/CQD1RNUacBsxaN4yCOc1nkQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=AtfeNSB0lbyFvtPpoBMcBgwUW+w8kd3m/RZ2jg2faMWiZn2Q5UVwBAe3WDBrAkjL3xjgaSVdWB2/Lb22o9lPSgUmHQvYWDxZaHbMecm8Ud0nZVx/LgrDuJ2dSGKLJ8CJ8G0Ru9pvU+EHnN+HOiIclfNqvQl2iz2ijOFB4/1gLeE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 05C481A00; Fri, 25 Jul 2025 03:08:25 -0700 (PDT) Received: from e132581.arm.com (e132581.arm.com [10.1.196.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C08463F5A1; Fri, 25 Jul 2025 03:08:27 -0700 (PDT) From: Leo Yan Date: Fri, 25 Jul 2025 11:08:11 +0100 Subject: [PATCH RESEND v3 1/6] perf/core: Make perf_event_aux_pause() as external function Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250725-perf_aux_pause_resume_bpf_rebase-v3-1-ae21deb49d1a@arm.com> References: <20250725-perf_aux_pause_resume_bpf_rebase-v3-0-ae21deb49d1a@arm.com> In-Reply-To: <20250725-perf_aux_pause_resume_bpf_rebase-v3-0-ae21deb49d1a@arm.com> To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Jiri Olsa , Ian Rogers , Adrian Hunter , KP Singh , Matt Bobrowski , Song Liu , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Yonghong Song , John Fastabend , Stanislav Fomichev , Hao Luo , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , James Clark , Suzuki K Poulose , Mike Leach Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Leo Yan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1753438103; l=1435; i=leo.yan@arm.com; s=20250604; h=from:subject:message-id; bh=5VhjTk5cRVzoBPnaiyr/CQD1RNUacBsxaN4yCOc1nkQ=; b=4JJuwWhAmfo/8yh1URt6gTRdrfyeVFDIFYzz+cIs2z5EC33DUggSkHB8CxRewE2AXtT79/teK iSGJO8xD5RKBuLs0PlOVKTgjWBNyNg4cm/Aqt7ebwtVeBzsqz1Ew+8C X-Developer-Key: i=leo.yan@arm.com; a=ed25519; pk=k4BaDbvkCXzBFA7Nw184KHGP5thju8lKqJYIrOWxDhI= Expose perf_event_aux_pause() as an external function, this will be used by BPF kfunc in a sequential change. Signed-off-by: Leo Yan --- include/linux/perf_event.h | 1 + kernel/events/core.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index ec9d96025683958e909bb2463439dc69634f4ceb..9445c36e9f23e9090c7bf26c808= 5d2e4f308d38b 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1252,6 +1252,7 @@ extern int perf_event_read_local(struct perf_event *e= vent, u64 *value, u64 *enabled, u64 *running); extern u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running); +extern void perf_event_aux_pause(struct perf_event *event, bool pause); =20 extern struct perf_callchain_entry *perf_callchain(struct perf_event *even= t, struct pt_regs *regs); =20 diff --git a/kernel/events/core.c b/kernel/events/core.c index 22fdf0c187cd970f59ad8d6de9c1b231f68ec2cb..75c194007ace911e6f91a27738c= 04dd0840bb3fb 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -8409,7 +8409,7 @@ static void __perf_event_aux_pause(struct perf_event = *event, bool pause) } } =20 -static void perf_event_aux_pause(struct perf_event *event, bool pause) +void perf_event_aux_pause(struct perf_event *event, bool pause) { struct perf_buffer *rb; =20 --=20 2.34.1