From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Jeff Furlong Subject: RE: what is the sample logger doing when the buffer fills up? Date: Fri, 22 Jul 2016 18:52:58 +0000 Message-ID: References: <805ada82-a3be-5b0f-226c-258d7e6f7711@kernel.dk> <20160722144702.GA7328@kernel.dk> <87c24164-a129-c6cd-b9bf-49ae52f7034f@kernel.dk> <39517e39-daeb-29ed-a4e3-8d5e759d9382@kernel.dk> In-Reply-To: <39517e39-daeb-29ed-a4e3-8d5e759d9382@kernel.dk> Content-Language: en-US Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 To: Jens Axboe Cc: Karl Cronburg , Matthew Eaton , "fio@vger.kernel.org" List-ID: VG9vIGxhdGUsIEkgYWxyZWFkeSBwdXQgdjIgcGF0Y2ggdGhyb3VnaCB0aGUgcHJvY2Vzcy4gIFNv bWUgZ29vZCwgc29tZSBiYWQuICBUaGUgZ29vZCBpcyB0aGF0IG5vIG1vcmUgZHJvcHBlZCBlbnRy aWVzIGFwcGVhciBpbiB0aGUgbWlkZGxlISAgU28gZm9yIHRoZSBpb3BzIGFuZCBidyBsb2dzLCBJ IGdldCByZXN1bHRzIHN1Y2ggYXM6DQoNCjk5OSwgMjkzODE0LCAwLCAwDQoyMDAwLCAzNTQ4NTcs IDAsIDANCjMwMDAsIDM4MzA4MSwgMCwgMA0KLi4uDQo1NzAwMCwgMzIxOTQ2LCAwLCAwDQo1ODAw MCwgMzIxNTY2LCAwLCAwDQo1OTAwMCwgMzIxNTk2LCAwLCAwDQoNClRoZSBmaXJzdCBzYW1wbGUg aXMgc2xpZ2h0bHkgb2ZmLCBidXQgd2VsbCB3aXRoaW4gYSByZWFzb25hYmxlIHRvbGVyYW5jZS4g IFRoZSBsYXN0IHNhbXBsZSBpcyBhbHdheXMgbWlzc2luZyAocnVudGltZT02MHMpLg0KDQpUaGUg YmFkIGlzIHRoYXQgdGhlIHNsYXQvY2xhdC9sYXQgbG9nIGlzIG5vdCBkb2luZyBhdmVyYWdlcyBh bnkgbW9yZSwgc3VjaCBhcyBsb2dfYXZnX21zZWM9MTAwMCwgYnV0IGl0J3MgbG9nZ2luZyBldmVy eSB2YWx1ZS4NCg0KIyBmaW8gLS1uYW1lPXRlc3Rfam9iIC0taW9lbmdpbmU9bGliYWlvIC0tZGly ZWN0PTEgLS1ydz1yYW5kcmVhZCAtLWlvZGVwdGg9MjU2IC0tc2l6ZT0xMDAlIC0tbnVtam9icz00 IC0tYnM9NGsgLS1maWxlbmFtZT0vZGV2L252bWUwbjEgLS1ncm91cF9yZXBvcnRpbmcgLS13cml0 ZV9id19sb2c9dGVzdF9qb2IgLS13cml0ZV9pb3BzX2xvZz10ZXN0X2pvYiAtLXdyaXRlX2xhdF9s b2c9dGVzdF9qb2IgLS1sb2dfYXZnX21zZWM9MTAwMCAtLWRpc2FibGVfbGF0PTAgLS1kaXNhYmxl X2NsYXQ9MCAtLWRpc2FibGVfc2xhdD0wIC0tcnVudGltZT02MHMgLS10aW1lX2Jhc2VkIC0tb3V0 cHV0PXRlc3Rfam9iDQoNClJlZ2FyZHMsDQpKZWZmDQoNCi0tLS0tT3JpZ2luYWwgTWVzc2FnZS0t LS0tDQpGcm9tOiBKZW5zIEF4Ym9lIFttYWlsdG86YXhib2VAa2VybmVsLmRrXSANClNlbnQ6IEZy aWRheSwgSnVseSAyMiwgMjAxNiAxMTozNyBBTQ0KVG86IEplZmYgRnVybG9uZyA8amVmZi5mdXJs b25nQGhnc3QuY29tPg0KQ2M6IEthcmwgQ3JvbmJ1cmcgPGtjcm9uYnVyQHJlZGhhdC5jb20+OyBN YXR0aGV3IEVhdG9uIDxtLmVhdG9uODJAZ21haWwuY29tPjsgZmlvQHZnZXIua2VybmVsLm9yZw0K U3ViamVjdDogUmU6IHdoYXQgaXMgdGhlIHNhbXBsZSBsb2dnZXIgZG9pbmcgd2hlbiB0aGUgYnVm ZmVyIGZpbGxzIHVwPw0KDQpPbiAwNy8yMi8yMDE2IDA5OjU1IEFNLCBKZW5zIEF4Ym9lIHdyb3Rl Og0KPiBBY3R1YWxseSwgSSB0aGluayBpdCdzIG1pc3Npbmcgb25lIG1vcmUgdGhpbmcuIFRyeSB0 aGUgYXR0YWNoZWQgdjIgDQo+IGluc3RlYWQuIEthcmwsIHlvdSBtZW50aW9uZWQgdGhlIGlvcHMg PSAwIHRyaWNrLiBJIGRvbid0IHRoaW5rIHRoYXQncyANCj4gdGhlIHJpZ2h0IGZpeCwgYnV0IEkg dGhpbmsgeW91IHdlcmUgZ2V0dGluZyBjbG9zZS4gSSBzdXNwZWN0IHRoYXQgd2UgDQo+IHNvbWV0 aW1lcyB3YWtlIHVwIGEgbGl0dGxlIGVhcmx5LiBMZXQncyBzYXkgd2Ugd2FudCB0byBsb2cgdGhl IDYwMDAgDQo+IGVudHJ5LCBidXQgd2Ugd2FrZSB1cCBhdCA1OTk5IGluc3RlYWQuIFdlIGFkZCB0 aGUgcmVndWxhciBzdGF0IHNhbXBsZSwgDQo+IGFuZCBjbGVhciBpbnRlcnZhbC4gQnV0IHdlIGRv bid0IGFkZCB0aGUgYXZlcmFnZWQgbG9nIGVudHJ5LCBzaW5jZSB0aGUgDQo+IHRpbWUgaGFzbid0 IHBhc3NlZCB5ZXQsIHdlJ3JlIG1pc3NpbmcgMSBtc2VjLiBIZW5jZSB3aGVuIHdlIGRvIHdha2Ug dXAgDQo+IDFtc2VjIGxhdGVyLCBzcGVudC9pb3BzIHdpbGwgYmUgemVyby4gWW91J3JlIGNvbnRp bnVlIGFkZHMgdGhlIGxvZyANCj4gZW50cnksIGJ1dCBtaXNzZXMgdGhlIGRhdGEuDQoNCkknbSBm ZWVsaW5nIGdvb2QgYWJvdXQgdGhpcyBjaGFuZ2UsIHNvIEkgY29tbWl0dGVkIGl0Og0KDQpodHRw Oi8vZ2l0Lmtlcm5lbC5kay9jZ2l0L2Zpby9jb21taXQvP2lkPWQ0NTRhMjA1ZjgxZTFiMTIyMDIw Y2I0ZmI0NjljNWEwYzlkMzE5NWYNCg0KU28ganVzdCB0ZXN0IGN1cnJlbnQgLWdpdCwgd291bGQg bG92ZSB0byBoZWFyIGlmIGl0IGZpeGVzIHRoZSBpc3N1ZSBmb3IgeW91IGd1eXMuDQoNCi0tDQpK ZW5zIEF4Ym9lDQoNCldlc3Rlcm4gRGlnaXRhbCBDb3Jwb3JhdGlvbiAoYW5kIGl0cyBzdWJzaWRp YXJpZXMpIEUtbWFpbCBDb25maWRlbnRpYWxpdHkgTm90aWNlICYgRGlzY2xhaW1lcjoKClRoaXMg ZS1tYWlsIGFuZCBhbnkgZmlsZXMgdHJhbnNtaXR0ZWQgd2l0aCBpdCBtYXkgY29udGFpbiBjb25m aWRlbnRpYWwgb3IgbGVnYWxseSBwcml2aWxlZ2VkIGluZm9ybWF0aW9uIG9mIFdEQyBhbmQvb3Ig aXRzIGFmZmlsaWF0ZXMsIGFuZCBhcmUgaW50ZW5kZWQgc29sZWx5IGZvciB0aGUgdXNlIG9mIHRo ZSBpbmRpdmlkdWFsIG9yIGVudGl0eSB0byB3aGljaCB0aGV5IGFyZSBhZGRyZXNzZWQuIElmIHlv dSBhcmUgbm90IHRoZSBpbnRlbmRlZCByZWNpcGllbnQsIGFueSBkaXNjbG9zdXJlLCBjb3B5aW5n LCBkaXN0cmlidXRpb24gb3IgYW55IGFjdGlvbiB0YWtlbiBvciBvbWl0dGVkIHRvIGJlIHRha2Vu IGluIHJlbGlhbmNlIG9uIGl0LCBpcyBwcm9oaWJpdGVkLiBJZiB5b3UgaGF2ZSByZWNlaXZlZCB0 aGlzIGUtbWFpbCBpbiBlcnJvciwgcGxlYXNlIG5vdGlmeSB0aGUgc2VuZGVyIGltbWVkaWF0ZWx5 IGFuZCBkZWxldGUgdGhlIGUtbWFpbCBpbiBpdHMgZW50aXJldHkgZnJvbSB5b3VyIHN5c3RlbS4K