diff options
author | grehan <grehan@FreeBSD.org> | 2012-12-20 23:01:53 +0000 |
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committer | grehan <grehan@FreeBSD.org> | 2012-12-20 23:01:53 +0000 |
commit | 5bbdfeda581630ee4ec73f726ddec4465782fe22 (patch) | |
tree | 04e1d24d38b7b3f6bef59ea0bdac17e464b87369 /usr.sbin/bhyve | |
parent | bc64633d9d492d8fadbd7972ea2ae81a660233a3 (diff) | |
download | FreeBSD-src-5bbdfeda581630ee4ec73f726ddec4465782fe22.zip FreeBSD-src-5bbdfeda581630ee4ec73f726ddec4465782fe22.tar.gz |
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
Diffstat (limited to 'usr.sbin/bhyve')
-rw-r--r-- | usr.sbin/bhyve/mevent.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/mevent.c b/usr.sbin/bhyve/mevent.c index 0d3b287..a6109db 100644 --- a/usr.sbin/bhyve/mevent.c +++ b/usr.sbin/bhyve/mevent.c @@ -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); |