From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sharat Masetty Subject: Re: [PATCH 3/3] drm/msm: Use Hardware counters for perf profiling Date: Fri, 26 Oct 2018 19:16:48 +0530 Message-ID: References: <1539781441-13076-1-git-send-email-smasetty@codeaurora.org> <1539781441-13076-4-git-send-email-smasetty@codeaurora.org> <20181017143548.GD4751@jcrouse-lnx.qualcomm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20181017143548.GD4751-9PYrDHPZ2Orvke4nUoYGnHL1okKdlPRT@public.gmane.org> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Freedreno" To: freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Rob Clark List-Id: linux-arm-msm@vger.kernel.org QWRkZWQgUm9iIHRvIHRoaXMgdGhyZWFkLgoKT24gMTAvMTcvMjAxOCA4OjA1IFBNLCBKb3JkYW4g Q3JvdXNlIHdyb3RlOgo+IE9uIFdlZCwgT2N0IDE3LCAyMDE4IGF0IDA2OjM0OjAxUE0gKzA1MzAs IFNoYXJhdCBNYXNldHR5IHdyb3RlOgo+PiBUaGlzIHBhdGNoIGF0dGVtcHRzIHRvIG1ha2UgdXNl IG9mIHRoZSBoYXJkd2FyZSBjb3VudGVycyBmb3IgR1BVIGJ1c3kgJQo+PiBlc3RpbWF0aW9uIHdo ZW4gcG9zc2libGUgYW5kIHNraXAgdXNpbmcgdGhlIHNvZnR3YXJlIGNvdW50ZXJzIGFzIGl0IGFs c28KPj4gYWNjb3VudHMgZm9yIHNvZnR3YXJlIHNpZGUgZGVsYXlzLiBUaGlzIHNob3VsZCBoZWxw IGdpdmUgbW9yZSBhY2N1cmF0ZQo+PiByZXByZXNlbnRhdGlvbiBvZiB0aGUgR1BVIHdvcmtsb2Fk Lgo+IAo+IEkgd291bGQgbGVhdmUgdGhpcyBtb3JlIHRvIFJvYiBhcyB0aGlzIHBhcnRpY3VsYXIg ZmlsZSBtYWtlcyBtb3JlIHNlbnNlIGZvcgo+IGZyZWVkcmVubyB0aGFuIGl0IGRvZXMgZm9yIHVz IGJ1dCBJIHRoaW5rIGluIGdlbmVyYWwgaWYgeW91IHdhbnQgdG8gZG8gdGhpcwo+IHRoZW4gd2Ug c2hvdWxkIGRvIHVzZSB0aGUgaGFyZHdhcmUgZm9yIGFsbCB0YXJnZXRzIGFuZCBnZXQgcmlkIG9m IHRoZQo+IG1peCBvZiB0aGUgb2xkIGFuZCB0aGUgbmV3LgpUaGFua3MgZm9yIHRoZSBjb21tZW50 cyBKb3JkYW4uIFllcywgSSBwcmVmZXIgdGhlIHNhbWUgdG9vLCBidXQgdGhlIG9ubHkgCmxpbWl0 aW5nIGZhY3RvciBmb3IgbWUgaXMgdGhhdCBJIGRvbid0IGhhdmUgYSB3YXkgdG8gdGVzdCBjaGFu Z2VzIGZvciAKdGFyZ2V0cyBzdWNoIGFzIGEzeHggYW5kIGE0eHgsIGFuZCBJIGFsc28gZG8gbm90 IGtub3cgaWYgdGhlcmUgaXMgYW55b25lIAphY3R1YWxseSB1c2luZyB0aGlzIGN1cnJlbnRseS4K CkhpIFJvYiwKQ2FuIHlvdSBwbGVhc2Ugc2hhcmUgeW91ciBjb21tZW50cyBvbiB0aGlzPyBJcyBp dCBva2F5IHRvIHJlbW92ZSAKc29mdHdhcmUgY291bnRlcnMgZnVuY3Rpb25hbGl0eT8KClNoYXJh dAo+IAo+PiBTaWduZWQtb2ZmLWJ5OiBTaGFyYXQgTWFzZXR0eSA8c21hc2V0dHlAY29kZWF1cm9y YS5vcmc+Cj4+IC0tLQo+PiAgIGRyaXZlcnMvZ3B1L2RybS9tc20vbXNtX2dwdS5jICB8IDMwICsr KysrKysrKysrKysrKysrKysrKysrKysrLS0tLQo+PiAgIGRyaXZlcnMvZ3B1L2RybS9tc20vbXNt X2dwdS5oICB8ICA1ICsrKy0tCj4+ICAgZHJpdmVycy9ncHUvZHJtL21zbS9tc21fcGVyZi5jIHwg MTAgKysrKystLS0tLQo+PiAgIDMgZmlsZXMgY2hhbmdlZCwgMzQgaW5zZXJ0aW9ucygrKSwgMTEg ZGVsZXRpb25zKC0pCj4+Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vbXNtL21zbV9n cHUuYyBiL2RyaXZlcnMvZ3B1L2RybS9tc20vbXNtX2dwdS5jCj4+IGluZGV4IGU5YjU0MjYuLmE4 OTY1NDEgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9tc20vbXNtX2dwdS5jCj4+ICsr KyBiL2RyaXZlcnMvZ3B1L2RybS9tc20vbXNtX2dwdS5jCj4+IEBAIC01OTIsNiArNTkyLDkgQEAg c3RhdGljIHZvaWQgdXBkYXRlX3N3X2NudHJzKHN0cnVjdCBtc21fZ3B1ICpncHUpCj4+ICAgCXVp bnQzMl90IGVsYXBzZWQ7Cj4+ICAgCXVuc2lnbmVkIGxvbmcgZmxhZ3M7Cj4+ICAgCj4+ICsJaWYg KGdwdS0+ZnVuY3MtPmdwdV9idXN5KQo+PiArCQlyZXR1cm47Cj4gCj4gTGlrZSBoZXJlIC0gdGhl cmUgaXNuJ3QgYW55IHJlYXNvbiB0byBub3QgaGF2ZSBhIGdwdV9idXN5IGZvciBlYWNoIHRhcmdl dAo+IHNvIHRoZW4gdGhpcyBjb2RlIGNvdWxkIG1vc3RseSBnbyBhd2F5Lgo+IAo+PiAgIAlzcGlu X2xvY2tfaXJxc2F2ZSgmZ3B1LT5wZXJmX2xvY2ssIGZsYWdzKTsKPj4gICAJaWYgKCFncHUtPnBl cmZjbnRyX2FjdGl2ZSkKPj4gICAJCWdvdG8gb3V0Owo+PiBAQCAtNjIwLDYgKzYyMyw3IEBAIHZv aWQgbXNtX2dwdV9wZXJmY250cl9zdGFydChzdHJ1Y3QgbXNtX2dwdSAqZ3B1KQo+PiAgIAkvKiB3 ZSBjb3VsZCBkeW5hbWljYWxseSBlbmFibGUvZGlzYWJsZSBwZXJmY250ciByZWdpc3RlcnMgdG9v Li4gKi8KPj4gICAJZ3B1LT5sYXN0X3NhbXBsZS5hY3RpdmUgPSBtc21fZ3B1X2FjdGl2ZShncHUp Owo+PiAgIAlncHUtPmxhc3Rfc2FtcGxlLnRpbWUgPSBrdGltZV9nZXQoKTsKPj4gKwlncHUtPmxh c3Rfc2FtcGxlLmJ1c3lfY3ljbGVzID0gMDsKPj4gICAJZ3B1LT5hY3RpdmV0aW1lID0gZ3B1LT50 b3RhbHRpbWUgPSAwOwo+PiAgIAlncHUtPnBlcmZjbnRyX2FjdGl2ZSA9IHRydWU7Cj4+ICAgCXVw ZGF0ZV9od19jbnRycyhncHUsIDAsIE5VTEwpOwo+PiBAQCAtNjMyLDkgKzYzNiwyMiBAQCB2b2lk IG1zbV9ncHVfcGVyZmNudHJfc3RvcChzdHJ1Y3QgbXNtX2dwdSAqZ3B1KQo+PiAgIAlwbV9ydW50 aW1lX3B1dF9zeW5jKCZncHUtPnBkZXYtPmRldik7Cj4+ICAgfQo+PiAgIAo+PiArc3RhdGljIHZv aWQgbXNtX2dwdV9od19zYW1wbGUoc3RydWN0IG1zbV9ncHUgKmdwdSwgdWludDY0X3QgKmFjdGl2 ZXRpbWUsCj4+ICsJCXVpbnQ2NF90ICp0b3RhbHRpbWUpCj4+ICt7Cj4+ICsJa3RpbWVfdCB0aW1l Owo+PiArCj4+ICsJKmFjdGl2ZXRpbWUgPSBncHUtPmZ1bmNzLT5ncHVfYnVzeShncHUsCj4+ICsJ CQkmZ3B1LT5sYXN0X3NhbXBsZS5idXN5X2N5Y2xlcyk7Cj4+ICsKPj4gKwl0aW1lID0ga3RpbWVf Z2V0KCk7Cj4+ICsJKnRvdGFsdGltZSA9IGt0aW1lX3VzX2RlbHRhKHRpbWUsIGdwdS0+bGFzdF9z YW1wbGUudGltZSk7Cj4+ICsJZ3B1LT5sYXN0X3NhbXBsZS50aW1lID0gdGltZTsKPj4gK30KPiAK PiBUaGlzIGNhbiBhbGwgYmUgZG9uZSBpbmxpbmUgaW4gdGhlIHNhbXBsZSBmdW5jdGlvbiBiZWxv dy4KPiAKPj4gICAvKiByZXR1cm5zIC1lcnJubyBvciAjIG9mIGNudHJzIHNhbXBsZWQgKi8KPj4g LWludCBtc21fZ3B1X3BlcmZjbnRyX3NhbXBsZShzdHJ1Y3QgbXNtX2dwdSAqZ3B1LCB1aW50MzJf dCAqYWN0aXZldGltZSwKPj4gLQkJdWludDMyX3QgKnRvdGFsdGltZSwgdWludDMyX3QgbmNudHJz LCB1aW50MzJfdCAqY250cnMpCj4+ICtpbnQgbXNtX2dwdV9wZXJmY250cl9zYW1wbGUoc3RydWN0 IG1zbV9ncHUgKmdwdSwgdWludDY0X3QgKmFjdGl2ZXRpbWUsCj4+ICsJCXVpbnQ2NF90ICp0b3Rh bHRpbWUsIHVpbnQzMl90IG5jbnRycywgdWludDMyX3QgKmNudHJzKQo+IAo+IFRoaXMgbWlnaHQg YmUgYW4gZ29vZCBjaGFuZ2UgKHRob3VnaCBpZiBvdXIgYWN0aXZldGltZSBvciB0b3RhbHRpbWUg ZXZlcgo+IGdvZXMgb3ZlciAzMiBiaXRzIHdlJ3ZlIGdvdCBvdXJzZWx2ZXMgYSBwcm9ibGVtKSAt IGJ1dCBpdCBzaG91bGQgYmUgaW4gYQo+IHNlcGFyYXRlIHBhdGNoLgo+IAo+PiAgIHsKPj4gICAJ dW5zaWduZWQgbG9uZyBmbGFnczsKPj4gICAJaW50IHJldDsKPj4gQEAgLTY0NiwxMyArNjYzLDE4 IEBAIGludCBtc21fZ3B1X3BlcmZjbnRyX3NhbXBsZShzdHJ1Y3QgbXNtX2dwdSAqZ3B1LCB1aW50 MzJfdCAqYWN0aXZldGltZSwKPj4gICAJCWdvdG8gb3V0Owo+PiAgIAl9Cj4+ICAgCj4+ICsJcmV0 ID0gdXBkYXRlX2h3X2NudHJzKGdwdSwgbmNudHJzLCBjbnRycyk7Cj4+ICsKPj4gKwlpZiAoZ3B1 LT5mdW5jcy0+Z3B1X2J1c3kpIHsKPj4gKwkJbXNtX2dwdV9od19zYW1wbGUoZ3B1LCBhY3RpdmV0 aW1lLCB0b3RhbHRpbWUpOwo+PiArCQlnb3RvIG91dDsKPj4gKwl9Cj4+ICsKPj4gICAJKmFjdGl2 ZXRpbWUgPSBncHUtPmFjdGl2ZXRpbWU7Cj4+ICAgCSp0b3RhbHRpbWUgPSBncHUtPnRvdGFsdGlt ZTsKPj4gICAKPj4gICAJZ3B1LT5hY3RpdmV0aW1lID0gZ3B1LT50b3RhbHRpbWUgPSAwOwo+PiAg IAo+PiAtCXJldCA9IHVwZGF0ZV9od19jbnRycyhncHUsIG5jbnRycywgY250cnMpOwo+PiAtCj4+ ICAgb3V0Ogo+PiAgIAlzcGluX3VubG9ja19pcnFyZXN0b3JlKCZncHUtPnBlcmZfbG9jaywgZmxh Z3MpOwo+PiAgIAo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL21zbS9tc21fZ3B1Lmgg Yi9kcml2ZXJzL2dwdS9kcm0vbXNtL21zbV9ncHUuaAo+PiBpbmRleCAwZmYyM2NhLi43ZGM3NzVm IDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vbXNtL21zbV9ncHUuaAo+PiArKysgYi9k cml2ZXJzL2dwdS9kcm0vbXNtL21zbV9ncHUuaAo+PiBAQCAtOTAsNiArOTAsNyBAQCBzdHJ1Y3Qg bXNtX2dwdSB7Cj4+ICAgCXN0cnVjdCB7Cj4+ICAgCQlib29sIGFjdGl2ZTsKPj4gICAJCWt0aW1l X3QgdGltZTsKPj4gKwkJdTY0IGJ1c3lfY3ljbGVzOwo+PiAgIAl9IGxhc3Rfc2FtcGxlOwo+PiAg IAl1aW50MzJfdCB0b3RhbHRpbWUsIGFjdGl2ZXRpbWU7ICAgIC8qIHN3IGNvdW50ZXJzICovCj4+ ICAgCXVpbnQzMl90IGxhc3RfY250cnNbNV07ICAgICAgICAgICAgLyogaHcgY291bnRlcnMgKi8K Pj4gQEAgLTI3NSw4ICsyNzYsOCBAQCBzdGF0aWMgaW5saW5lIHZvaWQgZ3B1X3dyaXRlNjQoc3Ry dWN0IG1zbV9ncHUgKmdwdSwgdTMyIGxvLCB1MzIgaGksIHU2NCB2YWwpCj4+ICAgCj4+ICAgdm9p ZCBtc21fZ3B1X3BlcmZjbnRyX3N0YXJ0KHN0cnVjdCBtc21fZ3B1ICpncHUpOwo+PiAgIHZvaWQg bXNtX2dwdV9wZXJmY250cl9zdG9wKHN0cnVjdCBtc21fZ3B1ICpncHUpOwo+PiAtaW50IG1zbV9n cHVfcGVyZmNudHJfc2FtcGxlKHN0cnVjdCBtc21fZ3B1ICpncHUsIHVpbnQzMl90ICphY3RpdmV0 aW1lLAo+PiAtCQl1aW50MzJfdCAqdG90YWx0aW1lLCB1aW50MzJfdCBuY250cnMsIHVpbnQzMl90 ICpjbnRycyk7Cj4+ICtpbnQgbXNtX2dwdV9wZXJmY250cl9zYW1wbGUoc3RydWN0IG1zbV9ncHUg KmdwdSwgdWludDY0X3QgKmFjdGl2ZXRpbWUsCj4+ICsJCXVpbnQ2NF90ICp0b3RhbHRpbWUsIHVp bnQzMl90IG5jbnRycywgdWludDMyX3QgKmNudHJzKTsKPj4gICAKPj4gICB2b2lkIG1zbV9ncHVf cmV0aXJlKHN0cnVjdCBtc21fZ3B1ICpncHUpOwo+PiAgIHZvaWQgbXNtX2dwdV9zdWJtaXQoc3Ry dWN0IG1zbV9ncHUgKmdwdSwgc3RydWN0IG1zbV9nZW1fc3VibWl0ICpzdWJtaXQsCj4+IGRpZmYg LS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vbXNtL21zbV9wZXJmLmMgYi9kcml2ZXJzL2dwdS9kcm0v bXNtL21zbV9wZXJmLmMKPj4gaW5kZXggNWFiMjFiZC4uMzE4ZjdkZCAxMDA2NDQKPj4gLS0tIGEv ZHJpdmVycy9ncHUvZHJtL21zbS9tc21fcGVyZi5jCj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9t c20vbXNtX3BlcmYuYwo+PiBAQCAtMTcsNyArMTcsNyBAQAo+PiAgIAo+PiAgIC8qIEZvciBwcm9m aWxpbmcsIHVzZXJzcGFjZSBjYW46Cj4+ICAgICoKPj4gLSAqICAgdGFpbCAtZiAvc3lzL2tlcm5l bC9kZWJ1Zy9kcmkvPG1pbm9yPi9ncHUKPj4gKyAqICAgdGFpbCAtZiAvc3lzL2tlcm5lbC9kZWJ1 Zy9kcmkvPG1pbm9yPi9wZXJmCj4+ICAgICoKPj4gICAgKiBUaGlzIHdpbGwgZW5hYmxlIHBlcmZv cm1hbmNlIGNvdW50ZXJzL3Byb2ZpbGluZyB0byB0cmFjayB0aGUgYnVzeSB0aW1lCj4+ICAgICog YW5kIGFueSBncHUgc3BlY2lmaWMgcGVyZm9ybWFuY2UgY291bnRlcnMgdGhhdCBhcmUgc3VwcG9y dGVkLgo+PiBAQCAtODUsOSArODUsOSBAQCBzdGF0aWMgaW50IHJlZmlsbF9idWYoc3RydWN0IG1z bV9wZXJmX3N0YXRlICpwZXJmKQo+PiAgIAkJfQo+PiAgIAl9IGVsc2Ugewo+PiAgIAkJLyogU2Ft cGxlIGxpbmU6ICovCj4+IC0JCXVpbnQzMl90IGFjdGl2ZXRpbWUgPSAwLCB0b3RhbHRpbWUgPSAw Owo+PiArCQl1aW50NjRfdCBhY3RpdmV0aW1lID0gMCwgdG90YWx0aW1lID0gMDsKPiAKPiBBbGwg dGhlIGNoYW5nZXMgdG8gbXNtX3BlcmYuYyBzaHVsZCBhbHNvIGJlIGluIGEgc2VwYXJhdGUgcGF0 Y2ggdGhhdCBtb3Zlcwo+IHRoZSBzYW1wbGUgc2l6ZSB0byB1NjQuCj4gCj4+ICAgCQl1aW50MzJf dCBjbnRyc1s1XTsKPj4gLQkJdWludDMyX3QgdmFsOwo+PiArCQl1aW50NjRfdCB2YWw7Cj4+ICAg CQlpbnQgcmV0Owo+PiAgIAo+PiAgIAkJLyogc2xlZXAgdW50aWwgbmV4dCBzYW1wbGUgdGltZTog Ki8KPj4gQEAgLTEwMSwxNCArMTAxLDE0IEBAIHN0YXRpYyBpbnQgcmVmaWxsX2J1ZihzdHJ1Y3Qg bXNtX3BlcmZfc3RhdGUgKnBlcmYpCj4+ICAgCQkJcmV0dXJuIHJldDsKPj4gICAKPj4gICAJCXZh bCA9IHRvdGFsdGltZSA/IDEwMDAgKiBhY3RpdmV0aW1lIC8gdG90YWx0aW1lIDogMDsKPj4gLQkJ biA9IHNucHJpbnRmKHB0ciwgcmVtLCAiJTNkLiVkJSUiLCB2YWwgLyAxMCwgdmFsICUgMTApOwo+ PiArCQluID0gc25wcmludGYocHRyLCByZW0sICIlM2xsdS4lbGx1JSUiLCB2YWwgLyAxMCwgdmFs ICUgMTApOwo+PiAgIAkJcHRyICs9IG47Cj4+ICAgCQlyZW0gLT0gbjsKPj4gICAKPj4gICAJCWZv ciAoaSA9IDA7IGkgPCByZXQ7IGkrKykgewo+PiAgIAkJCS8qIGN5Y2xlIGNvdW50ZXJzIChJIHRo aW5rKS4uIGNvbnZlcnQgdG8gTUh6Li4gKi8KPj4gICAJCQl2YWwgPSBjbnRyc1tpXSAvIDEwMDAw Owo+PiAtCQkJbiA9IHNucHJpbnRmKHB0ciwgcmVtLCAiXHQlNWQuJTAyZCIsCj4+ICsJCQluID0g c25wcmludGYocHRyLCByZW0sICJcdCU1bGx1LiUwMmxsdSIsCj4+ICAgCQkJCQl2YWwgLyAxMDAs IHZhbCAlIDEwMCk7Cj4+ICAgCQkJcHRyICs9IG47Cj4+ICAgCQkJcmVtIC09IG47Cj4+IC0tIAo+ PiAxLjkuMQo+Pgo+IAoKLS0gClRoZSBRdWFsY29tbSBJbm5vdmF0aW9uIENlbnRlciwgSW5jLiBp cyBhIG1lbWJlciBvZiB0aGUgQ29kZSBBdXJvcmEgRm9ydW0sCkxpbnV4IEZvdW5kYXRpb24gQ29s bGFib3JhdGl2ZSBQcm9qZWN0Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCkZyZWVkcmVubyBtYWlsaW5nIGxpc3QKRnJlZWRyZW5vQGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2Zy ZWVkcmVubwo=