Date: Thu, 20 Dec 2012 23:01:53 +0000 (UTC) From: Peter Grehan <grehan@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r244520 - projects/bhyve/usr.sbin/bhyve Message-ID: <201212202301.qBKN1r2M039661@svn.freebsd.org>
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Author: grehan Date: Thu Dec 20 23:01:53 2012 New Revision: 244520 URL: http://svnweb.freebsd.org/changeset/base/244520 Log: Change thread name for the main kqueue event loop to "<vmname> mevent" so it can be easily distinguished from other non-vCPU threads in forthcoming changes. Obtained from: NetApp Modified: projects/bhyve/usr.sbin/bhyve/mevent.c Modified: projects/bhyve/usr.sbin/bhyve/mevent.c ============================================================================== --- projects/bhyve/usr.sbin/bhyve/mevent.c Thu Dec 20 22:49:14 2012 (r244519) +++ projects/bhyve/usr.sbin/bhyve/mevent.c Thu Dec 20 23:01:53 2012 (r244520) @@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$"); #include <sys/time.h> #include <pthread.h> +#include <pthread_np.h> #include "mevent.h" @@ -55,6 +56,8 @@ __FBSDID("$FreeBSD$"); #define MEV_DISABLE 2 #define MEV_DEL_PENDING 3 +extern char *vmname; + static pthread_t mevent_tid; static int mevent_pipefd[2]; static pthread_mutex_t mevent_lmutex = PTHREAD_MUTEX_INITIALIZER; @@ -356,6 +359,15 @@ mevent_delete_close(struct mevent *evp) return (mevent_delete_event(evp, 1)); } +static void +mevent_set_name(void) +{ + char tname[MAXCOMLEN + 1]; + + snprintf(tname, sizeof(tname), "%s mevent", vmname); + pthread_set_name_np(mevent_tid, tname); +} + void mevent_dispatch(void) { @@ -367,6 +379,7 @@ mevent_dispatch(void) int ret; mevent_tid = pthread_self(); + mevent_set_name(); mfd = kqueue(); assert(mfd > 0);
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