> > Hello Abu, > > I had to include <linux/module.h> or an error was issued about > "THIS_MODULE". >
I am running this tool on Scientific Linux 6.0, which is 2.6.32 kernel. I know this is old but this is what I have for my product. > What Kernel version are you using? I'm trying to compile it and I'm > getting the error: > > [peter@ace m]$ make > make -C /lib/modules/3.3.7-1.fc17.x86_64/build SUBDIRS=`pwd` modules > make[1]: Entering directory `/usr/src/kernels/3.3.7-1.fc17.x86_64' > CC [M] /tmp/m/m.o > /tmp/m/m.c:36:2: error: unknown field ‘ioctl’ specified in initializer > /tmp/m/m.c:36:2: warning: initialization from incompatible pointer > type [enabled by default] > /tmp/m/m.c:36:2: warning: (near initialization for ‘m_fops.llseek’) > [enabled by default] > make[2]: *** [/tmp/m/m.o] Error 1 > make[1]: *** [_module_/tmp/m] Error 2 > make[1]: Leaving directory `/usr/src/kernels/3.3.7-1.fc17.x86_64' > make: *** [module] Error 2 > > According to: > http://lxr.linux.no/linux+v3.4.1/include/linux/fs.h#L1609 > > There is no .ioctl at struct file_operations... > > Can you share how you've used perf/oprofile on your module/Kernel code? > > []'s > > Peter for perf: perf stat -e cpu-cycles,stalled-cycles-frontend,stalled-cycles-backend,instructions,cache-references,cache-misses,branch-instructions,branch-misses,bus-cycles,cpu-clock,task-clock,page-faults,minor-faults,major-faults,context-switches,cpu-migrations,alignment-faults,emulation-faults,L1-dcache-loads,L1-dcache-load-misses,L1-dcache-stores,L1-dcache-store-misses,L1-dcache-prefetches,L1-dcache-prefetch-misses,L1-icache-loads,L1-icache-load-misses,L1-icache-prefetches,L1-icache-prefetch-misses,LLC-loads,LLC-load-misses,LLC-stores,LLC-store-misses,LLC-prefetches,LLC-prefetch-misses,dTLB-loads,dTLB-load-misses,dTLB-stores,dTLB-store-misses,dTLB-prefetches,dTLB-prefetch-misses,iTLB-loads,iTLB-load-misses,branch-loads,branch-load-misses,syscalls:sys_enter_sendmsg,syscalls:sys_exit_sendmsg,sched:sched_wakeup,sched:sched_stat_sleep ./prog for oprofile: # opcontrol --reset # opcontrol --vmlinux=/boot/vmlinux.64 # opcontrol --start # ./a.out # opcontrol --shutdown # opreport -l -p
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