tag:blogger.com,1999:blog-1159768332090451949.post8506541682071783707..comments2023-10-16T02:21:10.480-05:00Comments on notes on computers and other stuff: User-mode performance counters for ARM/LinuxAustin Seipphttp://www.blogger.com/profile/08003235138924772402noreply@blogger.comBlogger18125tag:blogger.com,1999:blog-1159768332090451949.post-54419370691093322832022-05-27T03:53:25.075-05:002022-05-27T03:53:25.075-05:00SMM PANEL
SMM PANEL
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Mobil ödeme bozdurma
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TİKTOK J...<a href="https://www.mmogamesturkiye.com/" hreflang="tr" rel="nofollow">mmorpg oyunlar</a><br /><a href="https://bit.ly/instagram-takipci-satin-alz" title="ınstagram takipci satin al" hreflang="tr" rel="nofollow">ınstagram takipci satin al</a><br /><a href="https://www.smsbankasi.net/2022/02/tiktok-jeton-hilesi.html" hreflang="tr" rel="nofollow">TİKTOK JETON HİLESİ</a><br /><a href="https://www.hilelipc.net/" title="tiktok jeton hilesi" rel="nofollow">tiktok jeton hilesi</a><br /><a href="https://www.sacekimiburada.com/antalya-sac-ekim-merkezleri" title="antalya saç ekimi" hreflang="tr" rel="nofollow">antalya saç ekimi</a><br /><a href="https://www.smsbankasi.net/2022/01/binance-referans-kimligi-nedir-ne-ise.html" rel="nofollow">referans kimliği nedir</a><br /><a href="https://takipcialdim.com/" hreflang="tr" rel="nofollow">İnstagram Takipçi Satın Al</a><br /><a href="https://takipcialdim.com/" rel="nofollow">Instagram Takipçi</a><br /><a href="https://www.mmogamesturkiye.com/metin-2-mt2/" title="metin2 pvp serverlar" hreflang="tr" rel="nofollow">metin2 pvp serverlar</a><br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-14908197157053080402021-11-17T23:43:44.244-06:002021-11-17T23:43:44.244-06:00Semua akan membaik..
SatoshiV3Semua akan membaik..<br />SatoshiV3Bitcoinhttps://www.blogger.com/profile/17744501429089242541noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-35476256818827635732020-01-10T05:49:41.749-06:002020-01-10T05:49:41.749-06:00I want to use it on my raspberry pi 4 which is a A...I want to use it on my raspberry pi 4 which is a ARMv8-A architecture and Cortex A72 processor , can you help me how can i use ?? thanks in advance Ravihttps://www.blogger.com/profile/02711815382744699776noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-35039586740423787282018-11-03T23:33:21.853-05:002018-11-03T23:33:21.853-05:00Hi, with AArch64 - A53 64 bit - bare metal (boot t...Hi, with AArch64 - A53 64 bit - bare metal (boot to EL3) - is it possible to just enable the perf counters and read them, or do I need to set up a user mode etc ? I've got some boot code running and I'd like to profile, but dont have access to H/W trace etc or DS5.mobhttps://www.blogger.com/profile/10028764711928630152noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-28753932950573109912018-10-12T04:30:40.227-05:002018-10-12T04:30:40.227-05:00Nice blog. Very informative. Thanks for sharing. K...Nice blog. Very informative. Thanks for sharing. Keep updating<br /><a href="http://iteducationalexperts.com/linux-online-training/" rel="nofollow">Linux online training</a> <br /><a href="http://iteducationalexperts.com/linux-online-training/" rel="nofollow">Linux online course</a><br /><a href="http://iteducationalexperts.com/linux-online-training/" rel="nofollow">Linux online training in kurnool</a> <br /><a href="http://iteducationalexperts.com/linux-online-training/" rel="nofollow">Linux online course in kurnool</a> <br /><a href="http://iteducationalexperts.com/linux-online-training/" rel="nofollow">Linux online training in Hyderabad</a>padminihttps://www.blogger.com/profile/13154884706021016040noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-60577531174199824392016-11-13T09:46:24.356-06:002016-11-13T09:46:24.356-06:00Hello, I cloned and ran "make runtests" ...Hello, I cloned and ran "make runtests" on my SAMA5D3 development board (ARM-A5) running a debian build, and get the error below. Any idea how to fix this? Thanks!<br /><br />xplained@SAMA5D3-Xplained:~/EE382N21_Project/enable_arm_pmu$ make runtests<br />KMOD ko/enable_arm_pmu.ko<br />make: *** /lib/modules/3.10.0+/build: No such file or directory. Stop.<br />make[1]: *** [all] Error 2<br />make: *** [ko/enable_arm_pmu.ko] Error 2<br /><br />Anonymoushttps://www.blogger.com/profile/02879533998334328955noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-2700019992005168702016-08-04T09:08:25.903-05:002016-08-04T09:08:25.903-05:00Thank you very much for your helpThank you very much for your helpAnonymoushttps://www.blogger.com/profile/05385211670518324360noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-56297322791552833732016-06-29T04:52:03.765-05:002016-06-29T04:52:03.765-05:00hey,
try my solution here, a had approximately the...hey,<br />try my solution here, a had approximately the same problem : https://github.com/thoughtpolice/enable_arm_pmu/issues/4zshintochhttps://www.blogger.com/profile/13033403262151915501noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-76337919153119490962016-04-05T09:27:24.339-05:002016-04-05T09:27:24.339-05:00Hello,
I am getting the following error when I try...Hello,<br />I am getting the following error when I try to run it on Jetson tk1 board. Can anybody please help?<br />sudo make runtests<br />KMOD ko/enable_arm_pmu.ko<br />make[3]: *** [/home/ubuntu/Downloads/enable_arm_pmu-master/ko/enable_arm_pmu.o] Error 1<br />make[2]: *** [_module_/home/ubuntu/Downloads/enable_arm_pmu-master/ko] Error 2<br />make[1]: *** [all] Error 2<br />make: *** [ko/enable_arm_pmu.ko] Error 2<br />Anonymoushttps://www.blogger.com/profile/07971292607628042061noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-58589760302423888952016-01-04T08:32:13.607-06:002016-01-04T08:32:13.607-06:00The main difference between the two approaches is ...The main difference between the two approaches is that using perf_event_open you measure only cycles when the process/thread really occupies the CPU - i.e. something like "cpu time".<br />With the rdtsc approach you just read continuously running counter and therefor you get something like "wall time".<br />AFAIK it's not possible to get "wall time" like cycle count using perf_event_open - check e.g. "profiling sleep times" on perf's wiki.M�lahttps://www.blogger.com/profile/00677265043064801979noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-71850840848715766792015-03-04T04:19:02.251-06:002015-03-04T04:19:02.251-06:00Problem solved:
This did the job:
"The modul...Problem solved:<br /><br />This did the job:<br />"The module-assistant package for Debian installs packages and configures the system to build out-of-kernel modules. Install it with:<br /><br />$ sudo apt-get install module-assistant<br /><br />That's it; you can now compile kernel modules..."<br />-ref: http://www.linuxdevcenter.com/pub/a/linux/2007/07/05/devhelloworld-a-simple-introduction-to-device-drivers-under-linux.html?page=1Anonymoushttps://www.blogger.com/profile/12627590779150226828noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-64916072244508494982015-03-03T05:42:25.429-06:002015-03-03T05:42:25.429-06:00Hi,
This module is exactly what I need for my per...Hi,<br /><br />This module is exactly what I need for my performance measurement on my Jetson TK1 (ARM Quad-Core Cortex-A15 + NVIDIA GPU, OS= Ubuntu 14.04)<br /><br />When I run: sudo make runtests, I get the following error:<br /> make -C /lib/modules/3.10.40-ged4f697/build SUBDIRS=/home/ubuntu/Downloads/enable_arm_pmu-master/ko modules<br />make[1]: Entering directory `/usr/src/linux-headers-3.10.40-ged4f697'<br /> CC [M] /home/ubuntu/Downloads/enable_arm_pmu-master/ko/enable_arm_pmu.o<br />/usr/src/linux-headers-3.10.40-ged4f697/scripts/recordmcount: 1: /usr/src/linux-headers-3.10.40-ged4f697/scripts/recordmcount: Syntax error: "(" unexpected<br />make[2]: *** [/home/ubuntu/Downloads/enable_arm_pmu-master/ko/enable_arm_pmu.o] Error 2<br />make[1]: *** [_module_/home/ubuntu/Downloads/enable_arm_pmu-master/ko] Error 2<br />make[1]: Leaving directory `/usr/src/linux-headers-3.10.40-ged4f697'<br />make: *** [all] Error 2<br /><br />Has anyone an idea why I get this error or what is wrong? <br />Thx in advance,<br />Kind regardsAnonymoushttps://www.blogger.com/profile/12627590779150226828noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-26473136934370550612014-10-23T15:17:29.810-05:002014-10-23T15:17:29.810-05:00Very useful information!
Now I'm wondering if ...Very useful information!<br />Now I'm wondering if it is possible to flush cache using user-level application? <br />The instruction to flush cache is "mcr p15, 0, r0, c7, c14, 1"<br />Is there a corresponding instruction to enable use-mode issuing this instruction? Thank you!William Tuhttps://www.blogger.com/profile/10205417534624570859noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-88854534952621958362014-06-20T01:23:06.660-05:002014-06-20T01:23:06.660-05:00Anyone get any device hardware events on Android w...Anyone get any device hardware events on Android with perf_event_open? I've tried a few devices and get "0" for almost everything that would be useful :( Unknownhttps://www.blogger.com/profile/14269986616600946581noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-84351351682900662972014-05-22T20:42:37.457-05:002014-05-22T20:42:37.457-05:00I'm following your mrc approach. First I got c...I'm following your mrc approach. First I got compile error:<br />/tmp/ccsE2gGW.s: Assembler messages:<br />/tmp/ccsE2gGW.s:4046: Error: selected processor does not support Thumb mode `mrc p15,0,r2,c9,c13,0'<br />After I added the line "LOCAL_ARM_MODE := arm" in my Android.mk, compile passed.<br />When I ran it, I got "Illegal instruction" error. Tested on Samsung S5.Anonymoushttps://www.blogger.com/profile/04820979847377814529noreply@blogger.comtag:blogger.com,1999:blog-1159768332090451949.post-86509592877494816052013-08-21T16:54:34.807-05:002013-08-21T16:54:34.807-05:00FYI, but you'll want to check that the syscall...FYI, but you'll want to check that the syscall isn't returning -1. On some platforms (e.g. Linaro on a Pandaboard) the hardware counters that these rely on are not enabled due to known bugs.<br /><br />Hookhttps://www.blogger.com/profile/00117372700044195450noreply@blogger.com