From: Joe H. <joe...@gm...> - 2009-12-03 08:57:09
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You can attach your oprofiled.log, cat /dev/oprofile/cpu_type and the command sequence etc. thus guys here can help diagnosis. On Thu, Dec 3, 2009 at 2:13 PM, Yongheng Qi <je...@gm...> wrote: > Thanks Joe, > > I tried your commad , the result is same as before. > > root@OpenWrt:/tmp/lib/oprofile/samples# opreport session:foosession > opreport error: No sample file found: try running opcontrol --dump > or specify a session containing sample files > > Thanks > > 2009/12/3 Joe Hewitt <joe...@gm...> >> >> these 2: >> >> > opcontrol --dump --session-dir=/var/lib/oprofile >> > opreport -l --session-dir=/var/lib/oprofile >> >> instead, try >> >> opcontrol --save=foosession >> opreport session:foosession >> >> you can ref oprofile online doc for explanation and samples. >> >> On Thu, Dec 3, 2009 at 1:19 PM, Yongheng Qi <je...@gm...> wrote: >> > Dear All: >> > >> > I am a newbie use oprifile. I run it on my openwrt , the kernel version >> > is >> > 2.6.26. run on a MIPS 24K cpu >> > >> > used oprofile version is 0.94. This is my command: >> > >> > opcontrol --init >> > opcontrol --setup --event=CYCLES:5000:0:1:0 --vmlinux=/etc/vmlinux >> > --session-dir=/var/lib/oprofile >> > opcontrol --start >> > >> > wait a monent, because I want to optimize linux kernel and driver, thay >> > all >> > run at kernel level. >> > >> > opcontrol --dump --session-dir=/var/lib/oprofile >> > opreport -l --session-dir=/var/lib/oprofile >> > then, the result is: >> > opreport error: No sample file found: try running opcontrol --dump >> > or specify a session containing sample files >> > >> > I try to a million times. and find many FAQ, don't solve. Anyone could >> > help >> > me? >> > >> > Thanks >> > >> > -- >> > Yongheng Qi >> > >> > Mobile: +86 1390 119 7481 >> > >> > >> > ------------------------------------------------------------------------------ >> > Join us December 9, 2009 for the Red Hat Virtual Experience, >> > a free event focused on virtualization and cloud computing. >> > Attend in-depth sessions from your desk. Your couch. Anywhere. >> > http://p.sf.net/sfu/redhat-sfdev2dev >> > _______________________________________________ >> > oprofile-list mailing list >> > opr...@li... >> > https://lists.sourceforge.net/lists/listinfo/oprofile-list >> > >> > >> >> >> >> -- >> Joe H > > > > -- > Yongheng Qi > > Mobile: +86 1390 119 7481 > -- Joe H |