Lines Matching full:funclatency

4 # funclatency   Time functions and print latency as a histogram.
7 # USAGE: funclatency [-h] [-p PID] [-i INTERVAL] [-T] [-u] [-m] [-F] [-r] [-v]
10 # Run "funclatency -h" for full usage.
34     ./funclatency do_sys_open       # time the do_sys_open() kernel function
35     ./funclatency c:read            # time the read() C library function
36     ./funclatency -u vfs_read       # time vfs_read(), in microseconds
37     ./funclatency -m do_nanosleep   # time do_nanosleep(), in milliseconds
38     ./funclatency -i 2 -d 10 c:open # output every 2 seconds, for duration 10s
39     ./funclatency -mTi 5 vfs_read   # output every 5 seconds, with timestamps
40     ./funclatency -p 181 vfs_read   # time process 181 only
41     ./funclatency 'vfs_fstat*'      # time both vfs_fstat() and vfs_fstatat()
42     ./funclatency 'c:*printf'       # time the *printf family of functions
43     ./funclatency -F 'vfs_r*'       # show one histogram per matched function