linux-kernel - [PATCH 0/2] samples: timers: hpet_example: Improve user experience

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Message-ID: <cover.1755436239.git.akhilesh@ee.iitb.ac.in>
Date: Sun, 17 Aug 2025 18:53:49 +0530
From: Akhilesh Patil <akhilesh@...iitb.ac.in>
To: skhan@...uxfoundation.org, gregkh@...uxfoundation.org,
	akpm@...ux-foundation.org, sj@...nel.org, dakr@...nel.org,
	mic@...ikod.net, masahiroy@...nel.org, corbet@....net,
	clemens@...isch.de
Cc: linux-kernel@...r.kernel.org, akhileshpatilvnit@...il.com
Subject: [PATCH 0/2] samples: timers: hpet_example: Improve user experience

Hi all, 
  This patch series improves user experience for
samples/timers/hpet_example

PATCH 1/2 --> Add support to print help text if user does not provide
required arguments.

PATCH 2/2  --> add help text in timers Kconfig

Testing: 
I have tested the changes on x86 with hpet device as follows. 

1. Build the sample program 
$ gcc hpet_example.c -o hpet_example

2. Run hpet program with no args

$ ./hpet_example
-hpet: requires command
Format: hpet_example <command> </dev/device_name>
Supported commands:
        open-close
        info
        poll
        fasync

Example: $ ./hpet_example info /dev/hpet

3. Run and verify hpet commands on /dev/hpet

$ sudo ./hpet_example info /dev/hpet
-hpet: executing info
hpet_info: hi_irqfreq 0x0 hi_flags 0x10 hi_hpet 0 hi_timer 0


Akhilesh Patil (2):
  samples: timers: hpet_example: Improve argument parsing
  samples: Kconfig: Add help for CONFIG_SAMPLE_TIMER

 samples/Kconfig               |  3 +++
 samples/timers/hpet_example.c | 11 +++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

-- 
2.34.1