From a7186dc3035dffef8ac9033966da52e4cc935ef0 Mon Sep 17 00:00:00 2001 From: Dmitriy Vyukov Date: Thu, 26 Jun 2014 17:16:43 -0700 Subject: [PATCH] runtime: improve scheduler trace Output number of spinning threads, this is useful to understanding whether the scheduler is in a steady state or not. R=golang-codereviews, khr CC=golang-codereviews, rsc https://golang.org/cl/103540045 --- src/pkg/runtime/proc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c index dd98e8ce26..04808f2c50 100644 --- a/src/pkg/runtime/proc.c +++ b/src/pkg/runtime/proc.c @@ -2730,12 +2730,12 @@ runtime·schedtrace(bool detailed) starttime = now; runtime·lock(&runtime·sched); - runtime·printf("SCHED %Dms: gomaxprocs=%d idleprocs=%d threads=%d idlethreads=%d runqueue=%d", + runtime·printf("SCHED %Dms: gomaxprocs=%d idleprocs=%d threads=%d spinningthreads=%d idlethreads=%d runqueue=%d", (now-starttime)/1000000, runtime·gomaxprocs, runtime·sched.npidle, runtime·sched.mcount, - runtime·sched.nmidle, runtime·sched.runqsize); + runtime·sched.nmspinning, runtime·sched.nmidle, runtime·sched.runqsize); if(detailed) { - runtime·printf(" gcwaiting=%d nmidlelocked=%d nmspinning=%d stopwait=%d sysmonwait=%d\n", - runtime·sched.gcwaiting, runtime·sched.nmidlelocked, runtime·sched.nmspinning, + runtime·printf(" gcwaiting=%d nmidlelocked=%d stopwait=%d sysmonwait=%d\n", + runtime·sched.gcwaiting, runtime·sched.nmidlelocked, runtime·sched.stopwait, runtime·sched.sysmonwait); } // We must be careful while reading data from P's, M's and G's.