From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Dunlap Subject: Re: [PATCH v2 2/4] xen: sched: make counters for vCPU sleep and wakeup generic Date: Tue, 17 Mar 2015 11:12:27 +0000 Message-ID: <55080C1B.5050605@eu.citrix.com> References: <20150227163925.32500.15985.stgit@Solace.station> <20150227165110.32500.78336.stgit@Solace.station> <5507105E.2030208@eu.citrix.com> <1426589336.32500.46.camel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1426589336.32500.46.camel@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Dario Faggioli , George Dunlap Cc: "Keir (Xen.org)" , "mengxu@cis.upenn.edu" , "JBeulich@suse.com" , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org On 03/17/2015 10:48 AM, Dario Faggioli wrote: > On Mon, 2015-03-16 at 17:18 +0000, George Dunlap wrote: >> On 02/27/2015 04:51 PM, Dario Faggioli wrote: > > >>> diff --git a/xen/common/sched_credit2.c b/xen/common/sched_credit2.c >>> index ad0a5d4..2b852cc 100644 >>> --- a/xen/common/sched_credit2.c >>> +++ b/xen/common/sched_credit2.c >>> @@ -931,6 +931,7 @@ csched2_vcpu_sleep(const struct scheduler *ops, struct vcpu *vc) >>> struct csched2_vcpu * const svc = CSCHED2_VCPU(vc); >>> >>> BUG_ON( is_idle_vcpu(vc) ); >>> + SCHED_STAT_CRANK(vcpu_sleep); >>> >>> if ( per_cpu(schedule_data, vc->processor).curr == vc ) >>> cpu_raise_softirq(vc->processor, SCHEDULE_SOFTIRQ); >>> @@ -956,19 +957,22 @@ csched2_vcpu_wake(const struct scheduler *ops, struct vcpu *vc) >>> >>> BUG_ON( is_idle_vcpu(vc) ); >>> >>> - /* Make sure svc priority mod happens before runq check */ >>> if ( unlikely(per_cpu(schedule_data, vc->processor).curr == vc) ) >>> { >>> + SCHED_STAT_CRANK(vcpu_wake_running); >>> goto out; >>> } >>> - >>> if ( unlikely(__vcpu_on_runq(svc)) ) >> >> Does this make the 'if' butt right up against the '{'? Is that bad? >> >> Other than that: >> >> Acked-by: George Dunlap >> > As far as I can see, the series is in: > > http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=8b0e94da0e23221a6d7ea19bfbd24a407db44de8 > > and whoever committed it (Jan, probably?), took care of leaving that > blank line in place, which I'm fine with, of course. :-) Sweet. :-) -George