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Mon, 30 Nov 2020 09:24:45 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id 5F0302E7199; Mon, 30 Nov 2020 09:24:39 -0500 (EST) Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id DVQdJiIrhxUA; Mon, 30 Nov 2020 09:24:39 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id EB1B82E7198; Mon, 30 Nov 2020 09:24:38 -0500 (EST) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com EB1B82E7198 X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 0591n7wRCfys; Mon, 30 Nov 2020 09:24:38 -0500 (EST) Received: from mail03.efficios.com (mail03.efficios.com [167.114.26.124]) by mail.efficios.com (Postfix) with ESMTP id DC8742E70A8; Mon, 30 Nov 2020 09:24:38 -0500 (EST) Date: Mon, 30 Nov 2020 09:24:38 -0500 (EST) To: =?utf-8?B?54aK5q+T5Y2O?= Message-ID: <1970789645.67635.1606746278786.JavaMail.zimbra@efficios.com> In-Reply-To: <2cade259.4f3f.1760d9d1b84.Coremail.xiongyuhua@zju.edu.cn> References: <40a80cf.2b99.176086d97b1.Coremail.xiongyuhua@zju.edu.cn> <20201127140548.GB3947@joraj-alpa> <25e54ac4.4261.1760a553e88.Coremail.xiongyuhua@zju.edu.cn> <828264314.65604.1606493063962.JavaMail.zimbra@efficios.com> <2cade259.4f3f.1760d9d1b84.Coremail.xiongyuhua@zju.edu.cn> MIME-Version: 1.0 X-Originating-IP: [167.114.26.124] X-Mailer: Zimbra 8.8.15_GA_3975 (ZimbraWebClient - FF83 (Linux)/8.8.15_GA_3975) Thread-Topic: Some confusion about cpu usage of the lttng-consumerd process Thread-Index: kQyIG0g8sE1DsImWJtzGcb+yTIWRrw== Subject: Re: [lttng-dev] Some confusion about cpu usage of the lttng-consumerd process X-BeenThere: lttng-dev@lists.lttng.org X-Mailman-Version: 2.1.31 Precedence: list List-Id: LTTng development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Mathieu Desnoyers via lttng-dev Reply-To: Mathieu Desnoyers Cc: lttng-dev Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: lttng-dev-bounces@lists.lttng.org Sender: "lttng-dev" LS0tLS0gT24gTm92IDI4LCAyMDIwLCBhdCAxOjQ5IEFNLCDnhormr5PljY4geGlvbmd5dWh1YUB6 anUuZWR1LmNuIHdyb3RlOgoKPiBIaSwKCj4gSSBwdXQgbXkgdGVzdCBzY3JpcHRzIGluIHRoZSBh dHRhY2htZW50LgoKPiBZb3UgY2FuIGp1c3QgcnVuIHRoZSBzY3JpcHQgZGlyZWN0bHksIGNyZWF0 ZSB0aGUgdHJhY2Ugc2Vzc2lvbiB3aXRoIHRoZSAiLS1saXZlIgo+IG9wdGlvbiBvbiB0aGUgOGNv cmUgc2VydmVyLAoKPiB0aGVuIHlvdSB3aWxsIGZpbmQgdGhlIGNwdSB1c2FnZSBvZiB0aGUgbHR0 bmctY29uc3VtZXJkIHByb2Nlc3MgcmVhY2hlZCAxMCUgb3IKPiBtb3JlLgoKPiBBYm91dCB0aGUg c3RyZWFtaW5nIG1vZGUgb2YgbHR0bmcsSSBkaWQgdGhlIHRlc3QgYmVmb3JlLCBpdCB3b3JrZWQg d2VsbC4KCj4gV2hlbiBJIGNyZWF0ZSB0aGUgdHJhY2Ugc2Vzc2lvbiB3aXRoICJsdHRuZyBjcmVh dGUgbXktc2Vzc2lvbgo+IC0tb3V0cHV0PS90bXAvbXkta2VybmVsLXRyYWNlIiwgb3Igd2l0aCAi bHR0bmcgY3JlYXRlIG15LXNlc3Npb24KPiAtLXNldC11cmw9bmV0Oi8vaXAiLAoKPiB0aGUgbnVt YmVyIG9mIENQVSBzZWVtcyBub3QgYWZmZWN0IHRoZSBjcHUgdXNhZ2Ugd2l0aCBsdHRuZy1jb25z dW1lcmQuCgo+IEl0IHNlZW1zIHRoYXQgb25seSBsaXZlLW1vZGUgd2lsbCBiZSBhZmZlY3RlZC4K ClRoZSBvdmVyaGVhZCBvZiBjb25zdW1lciBkYWVtb24gaW4gbGl2ZSBtb2RlIHdpbGwgaW5jcmVh c2Ugd2l0aCB0aGUgbnVtYmVyCm9mIGNwdXMgb24gdGhlIHN5c3RlbS4gVGhpcyBpcyBleHBlY3Rl ZC4KClRoZXJlIGlzIG9uZSBrbm9iIHlvdSBjYW4gdHJ5IHRvIGNvbmZpZ3VyZSB0byBhZGFwdCB0 aGUgYW1vdW50IG9mIG92ZXJoZWFkCmNhdXNlZCBieSB0aGUgbGl2ZSB0aW1lciBpbiB0aGUgY29u c3VtZXIgZGFlbW9uOiBsdHRuZyBjcmVhdGUgLS1saXZlPU5OTgp3aGVyZSBOTk4gaXMgdGhlIGxp dmUgdGltZXIgcGVyaW9kIGluIG1pY3Jvc2Vjb25kcy4gVGhlIGRlZmF1bHQgaXMgMTAwMDAwMHVz CigxIHNlY29uZCkuIFRyeSBjaGFuZ2luZyB0aGlzIHZhbHVlIHRvIHNvbWV0aGluZyBsYXJnZXIg YW5kIHlvdSB3aWxsCnByb2JhYmx5IG5vdGljZSB0aGF0IGl0IGxlc3NlbiB0aGUgY29uc3VtZXIg ZGFlbW9uIG92ZXJoZWFkLgoKU2hpcHBpbmcgdHJhY2UgZGF0YSB3aXRoIHJlbGF0aXZlbHkgbG93 IGxhdGVuY3kgc28gaXQgY2FuIGJlIGltbWVkaWF0ZWx5CnJlYWQgYWRkcyBvdmVyaGVhZCwgYW5k IGl0IGluY3JlYXNlcyB3aXRoIHRoZSBudW1iZXIgb2YgY3B1cyBpbiB0aGUgc3lzdGVtCmJlY2F1 c2UgdGhlcmUgYXJlIHRoZW4gbW9yZSBwZXItY3B1IGJ1ZmZlcnMgdG8gZmx1c2guCgpOb3RlIHRo YXQgeW91ciBpbnN0cnVtZW50YXRpb24gYWxzbyB0YXJnZXRzIHVucmVsYXRlZCBrZXJuZWwgYW5k IHVzZXItc3BhY2UKZXhlY3V0aW9uLCBzbyB3aGF0ZXZlciBpcyBleGVjdXRlZCBpbiB0aGUgYmFj a2dyb3VuZCBhbHNvIGdldHMgdHJhY2VkLiBBbmQKdGhpcyBnZW5lcmF0ZSB0cmFjZSBkYXRhIHRy YWZmaWMgb24gZWFjaCBjcHUuIEhhdmluZyBldmVuIGp1c3QgYSBiaXQgb2YKdHJhY2UgZGF0YSB0 byBzZW5kIG91dCBpbiBsaXZlIG1vZGUgY2FuIHZlcnkgbXVjaCBleHBsYWluIHRoZSBvdmVyaGVh ZCB5b3UKb2JzZXJ2ZSB3aXRoIHRoZSBsdHRuZyBjb25zdW1lciBkYWVtb24uCgpJZiB5b3UgY2Fy ZSB0aGF0IG11Y2ggYWJvdXQgb3ZlcmhlYWQgb2YgdGhlIGNvbnN1bWVyIGRhZW1vbiwgZG9uJ3Qg dXNlIGxpdmUKbW9kZSwgYW5kIHVzZSB0aGUgYWx0ZXJuYXRpdmVzIHdlIGRpc2N1c3NlZCBlYXJs aWVyIGluc3RlYWQsIHN1Y2ggYXMgdGhlCnNlc3Npb24gcm90YXRpb24gbW9kZSwgaWYgeW91IG5l ZWQgdG8gY29uc3VtZSB0aGUgdHJhY2UgZGF0YSB3aGlsZSBpdCBpcwpwcm9kdWNlZC4KClRoYW5r cywKCk1hdGhpZXUKCi0tIApNYXRoaWV1IERlc25veWVycwpFZmZpY2lPUyBJbmMuCmh0dHA6Ly93 d3cuZWZmaWNpb3MuY29tCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmx0dG5nLWRldiBtYWlsaW5nIGxpc3QKbHR0bmctZGV2QGxpc3RzLmx0dG5nLm9yZwpo dHRwczovL2xpc3RzLmx0dG5nLm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbHR0bmctZGV2 Cg==