On 10/21/2009 10:29 PM, Daniel Schwager wrote:
**** opreport -l --symbols | less
CPU: CPU with timer interrupt, speed 0 MHz (estimated)
Profiling through timer interrupt
samples % image name app name
symbol name
418814 98.5250 no-vmlinux no-vmlinux (no
symbols)
1228 0.2889 qemu-system-x86_64 qemu-system-x86_64
main_loop_wait
888 0.2089 libpthread-2.8.so libpthread-2.8.so
__read_nocancel
...
Sorry, I gave you the wrong instructions. Since most of the time is
spent in vmlinux, we want to trace vmlinux, not qemu.
Three ways to see what is happening:
- set up vmlinux (you'll need to install the correct kernel-debuginfo
package to get this).
- strace -p `pgrep qemu` and see what syscalls take place
- run 'top' and look at the wchan field ('f' 'y' will show it if it is
hidden)
Probably easiest in reverse order as listed.
--
error compiling committee.c: too many arguments to function
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