From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from baidu.com (mx22.baidu.com [220.181.50.185]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7E6BA33C9; Thu, 6 Mar 2025 02:45:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.181.50.185 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741229137; cv=none; b=Zqg2gzinkNCLGP/WgUW95DAfmQEcb5CAeQOtBFMbLCsxDk50t8BuTLKjF+/FAaUtdyMIxqpMI3SascpGh0tdU+9i2O1UD7if1iALh9NxpTjEEMy8bome+4fwMuFHcSCB+v/qdDW/jCQdpToNJCBjsxTQCTLJW66rxr8hNj8Yr0Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741229137; c=relaxed/simple; bh=y4qkiHrv5YzJwTFdfke6HPG9TVpJNfR6GD7LnkavQBo=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=eLfzQhzYCO7IA4tPJGXI2c5PdEWM3lwwprt17HEfcqZWtUXujQNluu2dj/xrniEartFbVnBbgYfwB4L5Rw/DjvM4+KbVFEUaBS/d1dYFcfET+wjOsi3VnBDiXHaRHRUGjhayg/sZgtSpkmafOBZT2rMtPqFZbjlcmbXD2woO95w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=baidu.com; spf=pass smtp.mailfrom=baidu.com; arc=none smtp.client-ip=220.181.50.185 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=baidu.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baidu.com From: "Li,Rongqing" To: Dave Hansen , Adrian Hunter , Jiri Olsa CC: "peterz@infradead.org" , "mingo@redhat.com" , "acme@kernel.org" , "namhyung@kernel.org" , "mark.rutland@arm.com" , "alexander.shishkin@linux.intel.com" , "irogers@google.com" , "kan.liang@linux.intel.com" , "tglx@linutronix.de" , "bp@alien8.de" , "dave.hansen@linux.intel.com" , "x86@kernel.org" , "hpa@zytor.com" , "linux-perf-users@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: =?utf-8?B?562U5aSNOiBb5aSW6YOo6YKu5Lu2XSBSZTogW1BBVENIXSBwZXJmL3g4Ni9p?= =?utf-8?Q?ntel/bts:_allocate_bts=5Fctx_only_if_necessary?= Thread-Topic: =?utf-8?B?W+WklumDqOmCruS7tl0gUmU6IFtQQVRDSF0gcGVyZi94ODYvaW50ZWwvYnRz?= =?utf-8?Q?:_allocate_bts=5Fctx_only_if_necessary?= Thread-Index: AQHbjd8ZANFZJP37eUuTV7oAm1ygsrNkMLQAgAEx3BA= Date: Thu, 6 Mar 2025 02:28:34 +0000 Message-ID: <5ddaff2748344dc4ac6290f195c8758e@baidu.com> References: <20250122074103.3091-1-lirongqing@baidu.com> <293158f0-d36f-4569-bad3-6be1db938457@intel.com> In-Reply-To: <293158f0-d36f-4569-bad3-6be1db938457@intel.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-baidu-bdmsfe-datecheck: 1_BJHW-Mail-Ex14_2025-03-06 10:28:35:265 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-FEAS-Client-IP: 10.127.64.37 X-FE-Last-Public-Client-IP: 100.100.100.38 X-FE-Policy-ID: 52:10:53:SYSTEM PiBKaXJpLCB0aGFua3MgZm9yIHRoZSByZXBvcnQhDQo+IA0KPiBPbiAzLzUvMjUgMDY6NTgsIEFk cmlhbiBIdW50ZXIgd3JvdGU6DQo+ID4gSXQgbG9va3MgbGlrZSB0aGVyZSBhcmUgMyBmdW5jdGlv bnMgYWZmZWN0ZWQ6DQo+ID4NCj4gPiAJaW50ZWxfYnRzX2VuYWJsZV9sb2NhbCgpDQo+ID4gCWlu dGVsX2J0c19kaXNhYmxlX2xvY2FsKCkNCj4gPiAJaW50ZWxfYnRzX2ludGVycnVwdCgpDQo+ID4N Cj4gPiBQZXJoYXBzIG1ha2UgdGhlbSBzdGF0aWMgY2FsbHM/DQo+IA0KPiBUaGF0LCBvciBhIGZl dzoNCj4gDQo+IAlpZiAoIWJ0c19jdHgpDQo+IAkJcmV0dXJuOw0KPiANCj4gaWYgeW91J3JlIG5v dCBmZWVsaW5nIGFzIGZhbmN5IHdvdWxkIGRvLg0KPiANCj4gV291bGQgc29tZW9uZSBiZSBpbnRl cmVzdGVkIGluIHNlbmRpbmcgYW4gYWN0dWFsIHRlc3RlZCBwYXRjaCwgaWRlYWxseSB0aGUNCj4g cGF0Y2ggYXV0aG9yIG9mIHRoZSByZWdyZXNzaW9uPyA8aGludCwgaGludD4NCg0KDQpJIGFtIHNv cnJ5IHRvIGludHJvZHVjZSB0aGlzIGJ1ZywgSSB3aWxsIHRyeSB0byBzZW5kIGEgcGF0Y2gNCg0K VGhhbmtzIHRvIGFsbA0KDQotTGkNCg==