Lines Matching full:funclatency
1 Demonstrations of funclatency, the Linux eBPF/bcc version.
6 # ./funclatency do_sys_open
53 # ./funclatency pthread:pthread_mutex_lock -p $(pidof contentions)
85 # ./funclatency /home/user/primes:* -p $(pidof primes) -F
144 # ./funclatency -u vfs_read
178 # ./funclatency -m do_nanosleep
208 # ./funclatency -mTi 5 vfs_read
272 # ./funclatency -mp 17064 vfs_read
292 # ./funclatency -uF 'vfs_r*'
333 # ./funclatency -h
334 usage: funclatency [-h] [-p PID] [-i INTERVAL] [-T] [-u] [-m] [-F] [-r] [-v]
358 ./funclatency do_sys_open # time the do_sys_open() kernel function
359 ./funclatency c:read # time the read() C library function
360 ./funclatency -u vfs_read # time vfs_read(), in microseconds
361 ./funclatency -m do_nanosleep # time do_nanosleep(), in milliseconds
362 ./funclatency -i 2 -d 10 c:open # output every 2 seconds, for duration 10s
363 ./funclatency -mTi 5 vfs_read # output every 5 seconds, with timestamps
364 ./funclatency -p 181 vfs_read # time process 181 only
365 ./funclatency 'vfs_fstat*' # time both vfs_fstat() and vfs_fstatat()
366 ./funclatency 'c:*printf' # time the *printf family of functions
367 ./funclatency -F 'vfs_r*' # show one histogram per matched function