From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sagar Arun Kamble Subject: Re: [RFC 4/4] drm/i915/perf: Send system clock monotonic time in perf samples Date: Wed, 15 Nov 2017 23:24:09 +0530 Message-ID: References: <1510748034-14034-1-git-send-email-sagar.a.kamble@intel.com> <1510748034-14034-5-git-send-email-sagar.a.kamble@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A09B6E61E for ; Wed, 15 Nov 2017 17:54:13 +0000 (UTC) In-Reply-To: <1510748034-14034-5-git-send-email-sagar.a.kamble@intel.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org Cc: Sourab Gupta , Matthew Auld List-Id: intel-gfx@lists.freedesktop.org CgpPbiAxMS8xNS8yMDE3IDU6NDMgUE0sIFNhZ2FyIEFydW4gS2FtYmxlIHdyb3RlOgo+IEZyb206 IFNvdXJhYiBHdXB0YSA8c291cmFiLmd1cHRhQGludGVsLmNvbT4KPgo+IEN1cnJlbnRseSwgd2Ug aGF2ZSB0aGUgYWJpbGl0eSB0byBvbmx5IGZvcndhcmQgdGhlIEdQVSB0aW1lc3RhbXBzIGluIHRo ZQo+IHNhbXBsZXMgKHdoaWNoIGFyZSBnZW5lcmF0ZWQgdmlhIE9BIHJlcG9ydHMpLiBUaGlzIGxp bWl0cyB0aGUgYWJpbGl0eSB0bwo+IGNvcnJlbGF0ZSB0aGVzZSBzYW1wbGVzIHdpdGggdGhlIHN5 c3RlbSBldmVudHMuCj4KPiBBbiBhYmlsaXR5IGlzIHRoZXJlZm9yZSBuZWVkZWQgdG8gcmVwb3J0 IHRpbWVzdGFtcHMgaW4gZGlmZmVyZW50IGNsb2NrCj4gZG9tYWlucywgc3VjaCBhcyBDTE9DS19N T05PVE9OSUMsIGluIHRoZSBwZXJmIHNhbXBsZXMgdG8gYmUgb2YgbW9yZQo+IHByYWN0aWNhbCB1 c2UgdG8gdGhlIHVzZXJzcGFjZS4gVGhpcyBhYmlsaXR5IGJlY29tZXMgaW1wb3J0YW50Cj4gd2hl biB3ZSB3YW50IHRvIGNvcnJlbGF0ZS9wbG90IEdQVSBldmVudHMvc2FtcGxlcyB3aXRoIG90aGVy IHN5c3RlbSBldmVudHMKPiBvbiB0aGUgc2FtZSB0aW1lbGluZSAoZS5nLiB2YmxhbmsgZXZlbnRz LCBvciB0aW1lc3RhbXBzIHdoZW4gd29yayB3YXMKPiBzdWJtaXR0ZWQgdG8ga2VybmVsLCBldGMu KQo+Cj4gVGhlIHBhdGNoIGhlcmUgcHJvcG9zZXMgYSBtZWNoYW5pc20gdG8gYWNoaWV2ZSB0aGlz LiBUaGUgY29ycmVsYXRpb24KPiBiZXR3ZWVuIGdwdSB0aW1lIGFuZCBzeXN0ZW0gdGltZSBpcyBl c3RhYmxpc2hlZCB1c2luZyB0aGUgdGltZXN0YW1wIGNsb2NrCj4gYXNzb2NpYXRlZCB3aXRoIHRo ZSBjb21tYW5kIHN0cmVhbSwgYWJzdHJhY3RlZCBhcyB0aW1lY291bnRlci9jeWNsZWNvdW50ZXIK PiB0byByZXRyaWV2ZSBncHUvc3lzdGVtIHRpbWUgY29ycmVsYXRlZCB2YWx1ZXMuCj4KPiB2Mjog QWRkZWQgaTkxNV9kcml2ZXJfaW5pdF9sYXRlKCkgZnVuY3Rpb24gdG8gY2FwdHVyZSB0aGUgbmV3 IGxhdGUgaW5pdAo+IHBoYXNlIGZvciBwZXJmIChDaHJpcykKPgo+IHYzOiBSZW1vdmVkIGNyb3Nz LXRpbWVzdGFtcCBjaGFuZ2VzLgo+Cj4gU2lnbmVkLW9mZi1ieTogU291cmFiIEd1cHRhIDxzb3Vy YWIuZ3VwdGFAaW50ZWwuY29tPgo+IFNpZ25lZC1vZmYtYnk6IFNhZ2FyIEFydW4gS2FtYmxlIDxz YWdhci5hLmthbWJsZUBpbnRlbC5jb20+Cj4gQ2M6IExpb25lbCBMYW5kd2VybGluIDxsaW9uZWwu Zy5sYW5kd2VybGluQGludGVsLmNvbT4KPiBDYzogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13 aWxzb24uY28udWs+Cj4gQ2M6IFNvdXJhYiBHdXB0YSA8c291cmFiLmd1cHRhQGludGVsLmNvbT4K PiBDYzogTWF0dGhldyBBdWxkIDxtYXR0aGV3LmF1bGRAaW50ZWwuY29tPgo+IC0tLQo+ICAgZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9wZXJmLmMgfCAyNyArKysrKysrKysrKysrKysrKysrKysr KysrKysKPiAgIGluY2x1ZGUvdWFwaS9kcm0vaTkxNV9kcm0uaCAgICAgIHwgIDcgKysrKysrKwo+ ICAgMiBmaWxlcyBjaGFuZ2VkLCAzNCBpbnNlcnRpb25zKCspCj4KPiBkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9wZXJmLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X3BlcmYuYwo+IGluZGV4IDNiNzIxZDcuLjk0ZWU5MjQgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9wZXJmLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X3BlcmYuYwo+IEBAIC0zMzYsNiArMzM2LDcgQEAKPiAgIAo+ICAgI2RlZmluZSBTQU1QTEVfT0Ff UkVQT1JUCUJJVCgwKQo+ICAgI2RlZmluZSBTQU1QTEVfR1BVX1RTCQlCSVQoMSkKPiArI2RlZmlu ZSBTQU1QTEVfU1lTVEVNX1RTCUJJVCgyKQo+ICAgCj4gICAvKioKPiAgICAqIHN0cnVjdCBwZXJm X29wZW5fcHJvcGVydGllcyAtIGZvciB2YWxpZGF0ZWQgcHJvcGVydGllcyBnaXZlbiB0byBvcGVu IGEgc3RyZWFtCj4gQEAgLTYyMiw2ICs2MjMsNyBAQCBzdGF0aWMgaW50IGFwcGVuZF9vYV9zYW1w bGUoc3RydWN0IGk5MTVfcGVyZl9zdHJlYW0gKnN0cmVhbSwKPiAgIAlzdHJ1Y3QgZHJtX2k5MTVf cGVyZl9yZWNvcmRfaGVhZGVyIGhlYWRlcjsKPiAgIAl1MzIgc2FtcGxlX2ZsYWdzID0gc3RyZWFt LT5zYW1wbGVfZmxhZ3M7Cj4gICAJdTY0IGdwdV90cyA9IDA7Cj4gKwl1NjQgc3lzdGVtX3RzID0g MDsKPiAgIAo+ICAgCWhlYWRlci50eXBlID0gRFJNX0k5MTVfUEVSRl9SRUNPUkRfU0FNUExFOwo+ ICAgCWhlYWRlci5wYWQgPSAwOwo+IEBAIC02NDcsNiArNjQ5LDIzIEBAIHN0YXRpYyBpbnQgYXBw ZW5kX29hX3NhbXBsZShzdHJ1Y3QgaTkxNV9wZXJmX3N0cmVhbSAqc3RyZWFtLAo+ICAgCj4gICAJ CWlmIChjb3B5X3RvX3VzZXIoYnVmLCAmZ3B1X3RzLCBJOTE1X1BFUkZfVFNfU0FNUExFX1NJWkUp KQo+ICAgCQkJcmV0dXJuIC1FRkFVTFQ7Cj4gKwkJYnVmICs9IEk5MTVfUEVSRl9UU19TQU1QTEVf U0laRTsKPiArCX0KPiArCj4gKwlpZiAoc2FtcGxlX2ZsYWdzICYgU0FNUExFX1NZU1RFTV9UUykg ewo+ICsJCWdwdV90cyA9IGdldF9ncHVfdHNfZnJvbV9vYV9yZXBvcnQoc3RyZWFtLCByZXBvcnQp Owo+ICsJCS8qCj4gKwkJICogWFhYOiB0aW1lY291bnRlcl9jeWMydGltZSBjb25zaWRlcnMgdGlt ZSBiYWNrd2FyZHMgaWYgZGVsdGEKPiArCQkgKiB0aW1lc3RhbXAgaXMgbW9yZSB0aGFuIGhhbGYg dGhlIG1heCBucyB0aW1lIGNvdmVyZWQgYnkKPiArCQkgKiBjb3VudGVyLiBJdCB3aWxsIGJlIH4z NW1pbiBmb3IgMzYgYml0IGNvdW50ZXIuIElmIHRoaXMgbXVjaAo+ICsJCSAqIHNhbXBsaW5nIGR1 cmF0aW9uIGlzIG5lZWRlZCB3ZSB3aWxsIGhhdmUgdG8gdXBkYXRlIHRjLT5uc2VjCj4gKwkJICog YnkgZXhwbGljaXRseSByZWFkaW5nIHRoZSB0aW1lY291bnRlciAodGltZWNvdW50ZXJfcmVhZCkK PiArCQkgKiBiZWZvcmUgdGhpcyBkdXJhdGlvbi4KVGhpcyBpcyBpbXBsZW1lbnRlZCBhcyBvdmVy ZmxvdyB3YXRjaGRvZyBpbiBtbHg1ZV90aW1lc3RhbXBfaW5pdCAKKGRyaXZlcnMvbmV0L2V0aGVy bmV0L21lbGxhbm94KS4KV2lsbCBuZWVkIHNpbWlsYXIgbWVjaGFuaXNtIGhlcmUuCj4gKwkJICov Cj4gKwkJc3lzdGVtX3RzID0gdGltZWNvdW50ZXJfY3ljMnRpbWUoJnN0cmVhbS0+dGMsIGdwdV90 cyk7Cj4gKwo+ICsJCWlmIChjb3B5X3RvX3VzZXIoYnVmLCAmc3lzdGVtX3RzLCBJOTE1X1BFUkZf VFNfU0FNUExFX1NJWkUpKQo+ICsJCQlyZXR1cm4gLUVGQVVMVDsKPiAgIAl9Cj4gICAKPiAgIAko Km9mZnNldCkgKz0gaGVhZGVyLnNpemU7Cj4gQEAgLTIxMzcsNiArMjE1NiwxMSBAQCBzdGF0aWMg aW50IGk5MTVfb2Ffc3RyZWFtX2luaXQoc3RydWN0IGk5MTVfcGVyZl9zdHJlYW0gKnN0cmVhbSwK PiAgIAkJc3RyZWFtLT5zYW1wbGVfc2l6ZSArPSBJOTE1X1BFUkZfVFNfU0FNUExFX1NJWkU7Cj4g ICAJfQo+ICAgCj4gKwlpZiAocHJvcHMtPnNhbXBsZV9mbGFncyAmIFNBTVBMRV9TWVNURU1fVFMp IHsKPiArCQlzdHJlYW0tPnNhbXBsZV9mbGFncyB8PSBTQU1QTEVfU1lTVEVNX1RTOwo+ICsJCXN0 cmVhbS0+c2FtcGxlX3NpemUgKz0gSTkxNV9QRVJGX1RTX1NBTVBMRV9TSVpFOwo+ICsJfQo+ICsK PiAgIAlkZXZfcHJpdi0+cGVyZi5vYS5vYV9idWZmZXIuZm9ybWF0X3NpemUgPSBmb3JtYXRfc2l6 ZTsKPiAgIAlpZiAoV0FSTl9PTihkZXZfcHJpdi0+cGVyZi5vYS5vYV9idWZmZXIuZm9ybWF0X3Np emUgPT0gMCkpCj4gICAJCXJldHVybiAtRUlOVkFMOwo+IEBAIC0yODU3LDYgKzI4ODEsOSBAQCBz dGF0aWMgaW50IHJlYWRfcHJvcGVydGllc191bmxvY2tlZChzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0 ZSAqZGV2X3ByaXYsCj4gICAJCWNhc2UgRFJNX0k5MTVfUEVSRl9QUk9QX1NBTVBMRV9HUFVfVFM6 Cj4gICAJCQlwcm9wcy0+c2FtcGxlX2ZsYWdzIHw9IFNBTVBMRV9HUFVfVFM7Cj4gICAJCQlicmVh azsKPiArCQljYXNlIERSTV9JOTE1X1BFUkZfUFJPUF9TQU1QTEVfU1lTVEVNX1RTOgo+ICsJCQlw cm9wcy0+c2FtcGxlX2ZsYWdzIHw9IFNBTVBMRV9TWVNURU1fVFM7Cj4gKwkJCWJyZWFrOwo+ICAg CQljYXNlIERSTV9JOTE1X1BFUkZfUFJPUF9PQV9NRVRSSUNTX1NFVDoKPiAgIAkJCWlmICh2YWx1 ZSA9PSAwKSB7Cj4gICAJCQkJRFJNX0RFQlVHKCJVbmtub3duIE9BIG1ldHJpYyBzZXQgSURcbiIp Owo+IGRpZmYgLS1naXQgYS9pbmNsdWRlL3VhcGkvZHJtL2k5MTVfZHJtLmggYi9pbmNsdWRlL3Vh cGkvZHJtL2k5MTVfZHJtLmgKPiBpbmRleCAwYjkyNDllLi4yODM4NTljIDEwMDY0NAo+IC0tLSBh L2luY2x1ZGUvdWFwaS9kcm0vaTkxNV9kcm0uaAo+ICsrKyBiL2luY2x1ZGUvdWFwaS9kcm0vaTkx NV9kcm0uaAo+IEBAIC0xNDUzLDYgKzE0NTMsMTIgQEAgZW51bSBkcm1faTkxNV9wZXJmX3Byb3Bl cnR5X2lkIHsKPiAgIAlEUk1fSTkxNV9QRVJGX1BST1BfU0FNUExFX0dQVV9UUywKPiAgIAo+ICAg CS8qKgo+ICsJICogVGhpcyBwcm9wZXJ0eSByZXF1ZXN0cyBpbmNsdXNpb24gb2YgQ0xPQ0tfTU9O T1RPTklDIHN5c3RlbSB0aW1lIGluCj4gKwkgKiB0aGUgcGVyZiBzYW1wbGUgZGF0YS4KPiArCSAq Lwo+ICsJRFJNX0k5MTVfUEVSRl9QUk9QX1NBTVBMRV9TWVNURU1fVFMsCj4gKwo+ICsJLyoqCj4g ICAJICogVGhlIHZhbHVlIHNwZWNpZmllcyB3aGljaCBzZXQgb2YgT0EgdW5pdCBtZXRyaWNzIHNo b3VsZCBiZQo+ICAgCSAqIGJlIGNvbmZpZ3VyZWQsIGRlZmluaW5nIHRoZSBjb250ZW50cyBvZiBh bnkgT0EgdW5pdCByZXBvcnRzLgo+ICAgCSAqLwo+IEBAIC0xNTM5LDYgKzE1NDUsNyBAQCBlbnVt IGRybV9pOTE1X3BlcmZfcmVjb3JkX3R5cGUgewo+ICAgCSAqCj4gICAJICogICAgIHsgdTMyIG9h X3JlcG9ydFtdOyB9ICYmIERSTV9JOTE1X1BFUkZfUFJPUF9TQU1QTEVfT0EKPiAgIAkgKiAgICAg eyB1NjQgZ3B1X3RpbWVzdGFtcDsgfSAmJiBEUk1fSTkxNV9QRVJGX1BST1BfU0FNUExFX0dQVV9U Uwo+ICsJICogICAgIHsgdTY0IHN5c3RlbV90aW1lc3RhbXA7IH0gJiYgRFJNX0k5MTVfUEVSRl9Q Uk9QX1NBTVBMRV9TWVNURU1fVFMKPiAgIAkgKiB9Owo+ICAgCSAqLwo+ICAgCURSTV9JOTE1X1BF UkZfUkVDT1JEX1NBTVBMRSA9IDEsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9pbnRlbC1nZngK