From: Tao Zhou <tao.zhou@linux.dev>
To: Daniel Bristot de Oliveira <bristot@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>, Tom Zanussi <zanussi@kernel.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Juri Lelli <juri.lelli@redhat.com>,
Clark Williams <williams@redhat.com>,
John Kacur <jkacur@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
linux-rt-users@vger.kernel.org,
linux-trace-devel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V8 07/14] rtla/timerlat: Add timerlat hist mode
Date: Fri, 3 Dec 2021 17:17:53 +0800 [thread overview]
Message-ID: <YangwS/M9hO+o7TH@geo.homenetwork> (raw)
In-Reply-To: <eb486340cc983bd8f7f69fe6f99f8d2927fcd296.1638182284.git.bristot@kernel.org>
On Mon, Nov 29, 2021 at 12:07:45PM +0100,
Daniel Bristot de Oliveira wrote:
> +static void timerlat_hist_usage(char *usage)
> +{
> + int i;
> +
> + char *msg[] = {
> + "",
> + " usage: [rtla] timerlat hist [-h] [-q] [-p us] [-i us] [-t us] [-s us] [-T[=file]] \\",
> + " [-c cpu-list] [-P priority] [--no-irq] [--no-thread] [--no-header] [--no-summary] \\",
> + " [--no-index] [--with-zeros]",
> + "",
> + " -h/--help: print this menu",
> + " -p/--period us: timerlat period in us",
> + " -i/--irq us: stop trace if the irq latency is higher than the argument in us",
> + " -T/--thread us: stop trace if the thread latency is higher than the argument in us",
> + " -s/--stack us: save the stack trace at the IRQ if a thread latency is higher than the argument in us",
> + " -c/--cpus cpus: run the tracer only on the given cpus",
> + " -d/--duration time[m|h|d]: duration of the session in seconds",
> + " -T/--trace[=file]: save the stopped trace to [file|timerlat_trace.txt]",
> + " -n/--nano: display data in nanoseconds",
> + " -b/--bucket-size N: set the histogram bucket size (default 1)",
> + " -e/--entries N: set the number of entries of the histogram (default 256)",
> + " --no-irq: ignore IRQ latencies",
> + " --no-thread: ignore thread latencies",
> + " --no-header: do not print header",
> + " --no-summary: do not print summary",
> + " --no-index: do not print index",
> + " --with-zeros: print zero only entries",
> + " -P/--priority o:prio|r:prio|f:prio|d:runtime:period : set scheduling parameters",
> + " o:prio - use SCHED_OTHER with prio",
> + " r:prio - use SCHED_RR with prio",
> + " f:prio - use SCHED_FIFO with prio",
> + " d:runtime[us|ms|s]:period[us|ms|s] - use SCHED_DEADLINE with runtime and period",
> + " in nanoseconds",
> + NULL,
> + };
[-t us] --> [-T us]
[-T[=file]] --> [-t[=file]]
[-d] [-b] [-e] [-n] lack in usage info. this is not important tho.
next prev parent reply other threads:[~2021-12-03 9:18 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-29 11:07 [PATCH V8 00/14] RTLA: An interface for osnoise/timerlat tracers Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 01/14] rtla: Real-Time Linux Analysis tool Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 02/14] rtla: Helper functions for rtla Daniel Bristot de Oliveira
2021-12-03 9:07 ` Tao Zhou
2021-12-03 14:52 ` Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 03/14] rtla: Add osnoise tool Daniel Bristot de Oliveira
2021-11-30 15:35 ` Tao Zhou
2021-12-02 15:18 ` Daniel Bristot de Oliveira
2021-12-08 22:14 ` Steven Rostedt
2021-12-08 22:13 ` Steven Rostedt
2021-12-09 16:15 ` Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 04/14] rtla/osnoise: Add osnoise top mode Daniel Bristot de Oliveira
2021-12-04 18:04 ` Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 05/14] rtla/osnoise: Add the hist mode Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 06/14] rtla: Add timerlat tool and timelart top mode Daniel Bristot de Oliveira
2021-12-03 9:13 ` Tao Zhou
2021-12-03 17:41 ` Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 07/14] rtla/timerlat: Add timerlat hist mode Daniel Bristot de Oliveira
2021-12-03 9:17 ` Tao Zhou [this message]
2021-12-03 17:42 ` Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 08/14] rtla: Add Documentation Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 09/14] rtla: Add rtla osnoise man page Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 10/14] rtla: Add rtla osnoise top documentation Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 11/14] rtla: Add rtla osnoise hist documentation Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 12/14] rtla: Add rtla timerlat documentation Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 13/14] rtla: Add rtla timerlat top documentation Daniel Bristot de Oliveira
2021-11-29 11:07 ` [PATCH V8 14/14] rtla: Add rtla timerlat hist documentation Daniel Bristot de Oliveira
2021-12-04 13:25 ` [PATCH V8 00/14] RTLA: An interface for osnoise/timerlat tracers Tao Zhou
2021-12-04 14:16 ` Daniel Bristot de Oliveira
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