linux-kernel - Re: [PATCH V6 08/20] rtla: Helper functions for rtla

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Date:   Wed, 27 Oct 2021 18:24:01 +0200
From:   Daniel Bristot de Oliveira <bristot@...nel.org>
To:     Tao Zhou <tao.zhou@...ux.dev>, Steven Rostedt <rostedt@...dmis.org>
Cc:     Ingo Molnar <mingo@...hat.com>, Tom Zanussi <zanussi@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Clark Williams <williams@...hat.com>,
        John Kacur <jkacur@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        linux-rt-users@...r.kernel.org, linux-trace-devel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V6 08/20] rtla: Helper functions for rtla

On 10/27/21 16:02, Tao Zhou wrote:
>> +/*
>> + * parse_ns_duration - parse duration with ns/us/ms/s converting it to nanoseconds
>> + */
>> +long parse_ns_duration(char *val)
>> +{
>> +	char *end;
>> +	long t;
>> +
>> +	t = strtol(val, &end, 10);
>> +
>> +	if (end) {
>> +		if (!strncmp(end, "ns", 2)) {
>> +			return t;
>> +		} else if (!strncmp(end, "us", 2)) {
>> +			t *= 1000;
>> +			return t;
>> +		} else if (!strncmp(end, "ms", 2)) {
>> +			t *= 1000 * 1000;
>> +			return t;
>> +		} else if (!strncmp(end, "s", 1)) {
>> +			t *= 1000 * 1000 * 100;
>                                ^^^
> Ah, 1000 not 100. 

yep, I will fix that. Thanks!

Steven, I am tempted to start placing fixes patches on top of this series. What
do you think?

-- Daniel