Thanks, I will check it out. On 09-Feb-2018 12:50 AM, <[email protected]> wrote:
> On Thu, 08 Feb 2018 23:38:01 +0530, Neil Thomas said: > > > I am just a beginner. I have tried procfs, Netlink socket to communicate > > between user space and kernel space and it works fine. > > > > I am developing a monitoring utility to trace the VFS operation and find > > the frequency of VFS function calls. This monitoring utility runs in > kernel > > space. We have to record the occurrence of each VFS function calls (like > > vfs_open(), vfs_read()). I don't know which is best mechanism to report > > this VFS event to the monitoring utility. > > > > Could anyone please suggest the best mechanism to transfer data > frequently > > between kernel modules. > > There's a perfectly good perf-based function trace facility that will > provide > this info to userspace. > > http://www.brendangregg.com/perf.html#StaticKernelTracing > >
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