From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH 1/3] sched/cputime: Expose cputime_adjust() Date: Fri, 11 Aug 2017 09:37:52 -0700 Message-ID: <20170811163754.3939102-2-tj@kernel.org> References: <20170811163754.3939102-1-tj@kernel.org> Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=gySxqW+O+QGN22drLDu+FofXWirZzfKNPg/PA4ozvEc=; b=ZMXQxxeOyYqtxyiTJw8z2uls4+p8/pIxz0y5pk0IJXHwEbhCIFG9Z6dl+lFa2An//2 E95rBrT5qYLYxT1yvRVIMfMzZ6pmmSFC9q66tW+wj5x8CRgUhp+h9bULaO0mTsETOlXH MLgr0O63s8Fe0IKt8j1d6cM56/E94j4KLbFo1RASwYtd+EADBQznRoJa2bYIfz4vNW+M 4SWAXi5o/EpqMUJgpVS2/lfNYBIzTgD6IQ3dCDfZVy/W4Kw6fJf3fJdYMT+k2jGMcRl9 tX2TvtZJR7o/ThyHyPPRsmkiU+xBjLLvCi3uERR9zDBcUco9UPo8Uprvm7H3c/AGzPxB Kp1w== In-Reply-To: <20170811163754.3939102-1-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lizefan@huawei.com, hannes@cmpxchg.org, peterz@infradead.org, mingo@redhat.com, longman@redhat.com Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com, pjt@google.com, luto@amacapital.net, efault@gmx.de, torvalds@linux-foundation.org, guro@fb.com, Tejun Heo Will be used by basic cgroup resource stat reporting later. Signed-off-by: Tejun Heo Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Li Zefan Cc: Johannes Weiner --- include/linux/sched/cputime.h | 3 ++- kernel/sched/cputime.c | 5 ++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/sched/cputime.h b/include/linux/sched/cputime.h index 4c5b973..9251044 100644 --- a/include/linux/sched/cputime.h +++ b/include/linux/sched/cputime.h @@ -53,7 +53,8 @@ static inline void task_cputime_scaled(struct task_struct *t, extern void task_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st); extern void thread_group_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st); - +extern void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev, + u64 *ut, u64 *st); /* * Thread group CPU time accounting. diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 6e3ea4a..3a8bfcc 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -585,9 +585,8 @@ static u64 scale_stime(u64 stime, u64 rtime, u64 total) * * Assuming that rtime_i+1 >= rtime_i. */ -static void cputime_adjust(struct task_cputime *curr, - struct prev_cputime *prev, - u64 *ut, u64 *st) +void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev, + u64 *ut, u64 *st) { u64 rtime, stime, utime; unsigned long flags; -- 2.9.3