From: Peter Zijlstra <peterz@infradead.org>
To: Waiman Long <longman@redhat.com>
Cc: Tejun Heo <tj@kernel.org>, Li Zefan <lizefan@huawei.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Ingo Molnar <mingo@redhat.com>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, kernel-team@fb.com, pjt@google.com,
luto@amacapital.net, Mike Galbraith <efault@gmx.de>,
torvalds@linux-foundation.org, Roman Gushchin <guro@fb.com>,
Juri Lelli <juri.lelli@redhat.com>,
Patrick Bellasi <patrick.bellasi@arm.com>
Subject: Re: [PATCH v10 9/9] cpuset: Allow reporting of sched domain generation info
Date: Wed, 20 Jun 2018 16:20:23 +0200 [thread overview]
Message-ID: <20180620142023.GL2494@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <1529295249-5207-11-git-send-email-longman@redhat.com>
On Mon, Jun 18, 2018 at 12:14:09PM +0800, Waiman Long wrote:
> +#ifdef CONFIG_DEBUG_KERNEL
> +static inline void debug_print_domains(cpumask_var_t *doms, int ndoms)
> +{
> + int i;
> + char buf[200];
> + char *ptr, *end = buf + sizeof(buf) - 1;
> +
> + for (i = 0, ptr = buf, *end = '\0'; i < ndoms; i++)
> + ptr += snprintf(ptr, end - ptr, "dom%d=%*pbl ", i,
> + cpumask_pr_args(doms[i]));
> +
> + pr_debug("Generated %d domains: %s\n", ndoms, buf);
> +}
Why not use pr_cont() and do away with that static buffer?
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next prev parent reply other threads:[~2018-06-20 14:20 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-18 4:13 [PATCH v10 0/9] cpuset: Enable cpuset controller in default hierarchy Waiman Long
2018-06-18 4:14 ` [PATCH v10 1/9] " Waiman Long
2018-06-18 4:14 ` [PATCH v10 2/9] cpuset: Add new v2 cpuset.sched.domain_root flag Waiman Long
2018-06-20 14:27 ` Peter Zijlstra
2018-06-21 7:58 ` Waiman Long
2018-06-21 8:05 ` Waiman Long
2018-06-21 9:20 ` Peter Zijlstra
2018-06-22 3:00 ` Waiman Long
2018-07-02 16:32 ` Tejun Heo
2018-06-21 9:27 ` Peter Zijlstra
2018-06-22 2:48 ` Waiman Long
2018-06-18 4:14 ` [PATCH v10 3/9] cpuset: Simulate auto-off of sched.domain_root at cgroup removal Waiman Long
2018-06-20 14:11 ` Peter Zijlstra
2018-06-21 8:22 ` Waiman Long
2018-06-18 4:14 ` [PATCH v10 4/9] cpuset: Allow changes to cpus in a domain root Waiman Long
2018-06-18 4:14 ` [PATCH v10 5/9] cpuset: Make sure that domain roots work properly with CPU hotplug Waiman Long
2018-06-20 14:15 ` Peter Zijlstra
2018-06-21 3:09 ` Waiman Long
2018-06-18 4:14 ` [PATCH v10 6/9] cpuset: Make generate_sched_domains() recognize isolated_cpus Waiman Long
2018-06-18 14:44 ` Waiman Long
2018-06-18 14:58 ` Juri Lelli
2018-06-18 4:14 ` [PATCH v10 6/9] cpuset: Make generate_sched_domains() recognize reserved_cpus Waiman Long
2018-06-20 14:17 ` Peter Zijlstra
2018-06-21 8:14 ` Waiman Long
2018-06-18 4:14 ` [PATCH v10 7/9] cpuset: Expose cpus.effective and mems.effective on cgroup v2 root Waiman Long
2018-06-18 4:14 ` [PATCH v10 8/9] cpuset: Don't rebuild sched domains if cpu changes in non-domain root Waiman Long
2018-06-18 4:14 ` [PATCH v10 9/9] cpuset: Allow reporting of sched domain generation info Waiman Long
2018-06-20 14:20 ` Peter Zijlstra [this message]
2018-06-18 14:20 ` [PATCH v10 0/9] cpuset: Enable cpuset controller in default hierarchy Juri Lelli
2018-06-18 15:07 ` Waiman Long
2018-06-19 9:52 ` Juri Lelli
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