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: Thu, 7 Jul 2016 21:04:44 +0000 Message-ID: References: <20160707183605.GB8567@kernel.dk> In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 To: Karl Cronburg , Jens Axboe Cc: "fio@vger.kernel.org" List-ID: SSBhbSBzdGlsbCBzZWVpbmcgZHJvcHBlZCBlbnRyaWVzIG9uIGEgc2xpZ2h0bHkgZGlmZmVyZW50 IGNhc2U6DQoNCiMgZmlvIC12ZXJzaW9uDQpmaW8tMi4xMi01LWcwYjJlDQoNCiMgZmlvIC0tbmFt ZT10ZXN0X2pvYiAtLWlvZW5naW5lPWxpYmFpbyAtLWRpcmVjdD0xIC0tcnc9cmFuZHJlYWQgLS1p b2RlcHRoPTI1NiAtLXNpemU9MTAwJSAtLW51bWpvYnM9MiAtLWJzPTRrIC0tZmlsZW5hbWU9L2Rl di9udm1lMG4xIC0tZ3JvdXBfcmVwb3J0aW5nIC0td3JpdGVfYndfbG9nPXRlc3Rfam9iIC0td3Jp dGVfaW9wc19sb2c9dGVzdF9qb2IgLS13cml0ZV9sYXRfbG9nPXRlc3Rfam9iIC0tbG9nX2F2Z19t c2VjPTEwMDAgLS1kaXNhYmxlX2xhdD0wIC0tZGlzYWJsZV9jbGF0PTAgLS1kaXNhYmxlX3NsYXQ9 MCAtLXJ1bnRpbWU9NjBzIC0tdGltZV9iYXNlZCAtLW91dHB1dD10ZXN0X2pvYg0KDQojIGNhdCB0 ZXN0X2pvYl9pb3BzLjEubG9nIA0KMTAwMCwgMzc1NjAxLCAwLCAwDQozMDAwLCAyNDM1MzksIDAs IDANCjQwMDAsIDQ2MjA3NiwgMCwgMA0KLi4uDQoNClJlZ2FyZHMsDQpKZWZmDQoNCg0KLS0tLS1P cmlnaW5hbCBNZXNzYWdlLS0tLS0NCkZyb206IGZpby1vd25lckB2Z2VyLmtlcm5lbC5vcmcgW21h aWx0bzpmaW8tb3duZXJAdmdlci5rZXJuZWwub3JnXSBPbiBCZWhhbGYgT2YgS2FybCBDcm9uYnVy Zw0KU2VudDogVGh1cnNkYXksIEp1bHkgNywgMjAxNiAxMjo0NyBQTQ0KVG86IEplbnMgQXhib2Ug PGF4Ym9lQGtlcm5lbC5kaz4NCkNjOiBmaW9Admdlci5rZXJuZWwub3JnDQpTdWJqZWN0OiBSZTog d2hhdCBpcyB0aGUgc2FtcGxlIGxvZ2dlciBkb2luZyB3aGVuIHRoZSBidWZmZXIgZmlsbHMgdXA/ DQoNClllcywgbXkgcGF0Y2ggZml4ZWQgdGhlIGRyb3BwaW5nIG9mIGVudHJpZXMgSSB3YXMgc2Vl aW5nLg0KDQpPbiBUaHUsIEp1bCA3LCAyMDE2IGF0IDI6MzYgUE0sIEplbnMgQXhib2UgPGF4Ym9l QGtlcm5lbC5kaz4gd3JvdGU6DQo+IE9uIFdlZCwgSnVsIDA2IDIwMTYsIEthcmwgQ3JvbmJ1cmcg d3JvdGU6DQo+PiBIZWxsbyBhbGwsDQo+Pg0KPj4gV2hlbiBJIGNoYW5nZSBhZGRfY2xhdF9zYW1w bGUoKSBpbiBzdGF0LmMgdG8gY2FsbCBhZGRfbG9nX3NhbXBsZSgpIA0KPj4gc2V2ZW4gdGltZXMg aW5zdGVhZCBvZiBvbmNlLCBhbmQgSSBzZXQgREVGX0xPR19FTlRSSUVTPTQwOTYsIEkgZ2V0IA0K Pj4gdGhlIGZvbGxvd2luZyBpbiB0aGUgY2xhdCBsb2cgZmlsZSAobm90ZSBmaXJzdCBjb2x1bW4g aXMgbGluZSBudW1iZXIgaW4gdGhlIGZpbGUpOg0KPj4NCj4+ICAgNDA4OSAxNDMsIDk4MzIsIDAs IDEzMTA3Mg0KPj4gICA0MDkwIDE0MywgOTgzMiwgMCwgMTMxMDcyDQo+PiAgIDQwOTEgMTQzLCA5 ODMyLCAwLCAxMzEwNzINCj4+ICAgNDA5MiAxNDMsIDk4MzIsIDAsIDEzMTA3Mg0KPj4gICA0MDkz IDE0MywgOTgzMiwgMCwgMTMxMDcyDQo+PiAgIDQwOTQgMTQzLCA5ODMyLCAwLCAxMzEwNzINCj4+ ICAgNDA5NSAxNDMsIDk4MzIsIDAsIDEzMTA3Mg0KPj4gICA0MDk2IDE0MywgOTgzNCwgMCwgMTMx MDcyDQo+PiAgIDQwOTcgMTcwLCAxNTk4MiwgMCwgMTMxMDcyDQo+PiAgIDQwOTggMTcwLCAxNTk4 MiwgMCwgMTMxMDcyDQo+PiAgIDQwOTkgMTcwLCAxNTk4MiwgMCwgMTMxMDcyDQo+PiAgIDQxMDAg MTcwLCAxNTk4MiwgMCwgMTMxMDcyDQo+PiAgIDQxMDEgMTcwLCAxNTk4MiwgMCwgMTMxMDcyDQo+ PiAgIDQxMDIgMTcwLCAxNTk4MiwgMCwgMTMxMDcyDQo+PiAgIDQxMDMgMTcwLCAxNTk4MiwgMCwg MTMxMDcyDQo+PiAgIDQxMDQgMTcwLCAxNTk4NSwgMCwgMTMxMDcyDQo+PiAgIDQxMDUgMTcwLCAx NTk4NSwgMCwgMTMxMDcyDQo+Pg0KPj4gTm90aWNlIHRoZSBsb25lbHkgJzk4MzQnIHZhbHVlIGlu IHRoZSBjZW50ZXIsIHdoaWNoIHNob3VsZCBoYXZlIDcgDQo+PiBleGFjdCBjb3BpZXMgb2YgaXRz ZWxmIGJ1dCBnZXRzIGN1dCBvZmYgcmlnaHQgYXQgdGhlIGJ1ZmZlciBzaXplIG9mIA0KPj4gNDA5 NiBlbnRyaWVzLg0KPj4NCj4+IFNvIGlmIEknbSBpbnRlcnByZXRpbmcgdGhpcyBjb3JyZWN0bHks IHNhbXBsZXMgZ2V0IHNpbGVudGx5IGRyb3BwZWQgDQo+PiAob3Igbm90IHByb3Blcmx5IHByaW50 ZWQ/KSB3aGVuIHRoZSBidWZmZXIgZmlsbHMgdXAuIElzIHRoaXMgYSBidWc/IA0KPj4gQW0gSSBt aXNpbnRlcnByZXRpbmcgd2hhdCB0aGUgZG91Ymx5IGxpbmtlZCBsaXN0IGlzIGZvcj8gSSB3YXMg dW5kZXIgDQo+PiB0aGUgaW1wcmVzc2lvbiB0aGF0IGEgbmV3IHNhbXBsZSBidWZmZXIgc2hvdWxk IGJlIGFkZGVkIHRvIHRoZSBsaW5rZWQgDQo+PiBsaXN0IHdoZW4gdGhlIGN1cnJlbnQgb25lIGZp bGxzIHVwLg0KPg0KPiBGYWlyIHRvIGFzc3VtZSB0aGlzIGlzIHdoYXQgeW91ciBwYXRjaCBmaXhl ZCwgY29ycmVjdD8gSnVzdCB3YW50ZWQgdG8gDQo+IGVuc3VyZSB0aGF0IGl0J3MgYWxyZWFkeSBm aXhlZC4NCj4NCj4gLS0NCj4gSmVucyBBeGJvZQ0KPg0KLS0NClRvIHVuc3Vic2NyaWJlIGZyb20g dGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmliZSBmaW8iIGluIHRoZSBib2R5IG9m IGEgbWVzc2FnZSB0byBtYWpvcmRvbW9Admdlci5rZXJuZWwub3JnIE1vcmUgbWFqb3Jkb21vIGlu Zm8gYXQgIGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jkb21vLWluZm8uaHRtbA0KV2VzdGVy biBEaWdpdGFsIENvcnBvcmF0aW9uIChhbmQgaXRzIHN1YnNpZGlhcmllcykgRS1tYWlsIENvbmZp ZGVudGlhbGl0eSBOb3RpY2UgJiBEaXNjbGFpbWVyOgoKVGhpcyBlLW1haWwgYW5kIGFueSBmaWxl cyB0cmFuc21pdHRlZCB3aXRoIGl0IG1heSBjb250YWluIGNvbmZpZGVudGlhbCBvciBsZWdhbGx5 IHByaXZpbGVnZWQgaW5mb3JtYXRpb24gb2YgV0RDIGFuZC9vciBpdHMgYWZmaWxpYXRlcywgYW5k IGFyZSBpbnRlbmRlZCBzb2xlbHkgZm9yIHRoZSB1c2Ugb2YgdGhlIGluZGl2aWR1YWwgb3IgZW50 aXR5IHRvIHdoaWNoIHRoZXkgYXJlIGFkZHJlc3NlZC4gSWYgeW91IGFyZSBub3QgdGhlIGludGVu ZGVkIHJlY2lwaWVudCwgYW55IGRpc2Nsb3N1cmUsIGNvcHlpbmcsIGRpc3RyaWJ1dGlvbiBvciBh bnkgYWN0aW9uIHRha2VuIG9yIG9taXR0ZWQgdG8gYmUgdGFrZW4gaW4gcmVsaWFuY2Ugb24gaXQs IGlzIHByb2hpYml0ZWQuIElmIHlvdSBoYXZlIHJlY2VpdmVkIHRoaXMgZS1tYWlsIGluIGVycm9y LCBwbGVhc2Ugbm90aWZ5IHRoZSBzZW5kZXIgaW1tZWRpYXRlbHkgYW5kIGRlbGV0ZSB0aGUgZS1t YWlsIGluIGl0cyBlbnRpcmV0eSBmcm9tIHlvdXIgc3lzdGVtLgo=