tools: rcu: Add usage function and check for argument
authorBhaskar Chowdhury <unixbhaskar@gmail.com>
Tue, 10 Jan 2023 11:16:34 +0000 (16:46 +0530)
committerBoqun Feng <boqun.feng@gmail.com>
Sun, 12 Mar 2023 02:10:17 +0000 (18:10 -0800)
commit236bdb881d9656194a2d9c78ee11dba39329a3b1
tree53e09a22423dfcb65aff66d043fb0951bbe03072
parent7c3a8b48dc5452ec639293fd7796402d02213f58
tools: rcu: Add usage function and check for argument

This commit converts extract-stall.sh script's header comment to a
usage() function, and adds an argument check.  While in the area, make
this script be executable.

[ paulmck: Strength argument check, remove extraneous comment. ]

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
tools/rcu/extract-stall.sh [changed mode: 0644->0755]