diff options
| author | John De Boskey <jwd@FreeBSD.org> | 2026-06-30 21:29:50 +0000 |
|---|---|---|
| committer | Chuck Tuffli <chuck@FreeBSD.org> | 2026-06-30 22:18:20 +0000 |
| commit | 9ea13242985dc145b2471cc8f651be87c6a74bfe (patch) | |
| tree | a8723d716f7c4d030e932d223857b90e1d3a61f2 | |
| parent | 1361901baac43997daafd6ed41d3cdec6c119110 (diff) | |
bhyve: Add CPU pinning diagnostic message
When pinning a vcpu to a hostcpu fails, print out a diagnostic message
to stderr indicating the failing CPU pair.
MFC after: 1 month
Reviewed by: bnovkov
Differential Revision: https://reviews.freebsd.org/D57619
| -rw-r--r-- | usr.sbin/bhyve/bhyverun.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/usr.sbin/bhyve/bhyverun.c b/usr.sbin/bhyve/bhyverun.c index b5e7a4709fb4..8cbc19fcfef8 100644 --- a/usr.sbin/bhyve/bhyverun.c +++ b/usr.sbin/bhyve/bhyverun.c @@ -566,15 +566,21 @@ fbsdrun_start_thread(void *param) { char tname[MAXCOMLEN + 1]; struct vcpu_info *vi = param; - int error; snprintf(tname, sizeof(tname), "vcpu %d", vi->vcpuid); pthread_set_name_np(pthread_self(), tname); if (vcpumap[vi->vcpuid] != NULL) { - error = pthread_setaffinity_np(pthread_self(), - sizeof(cpuset_t), vcpumap[vi->vcpuid]); - assert(error == 0); + if (pthread_setaffinity_np(pthread_self(), + sizeof(cpuset_t), vcpumap[vi->vcpuid]) != 0) { + int i; + warn("Error pinning vcpu %d to host cpuset@%p", vi->vcpuid, + vcpumap[vi->vcpuid]); + CPU_FOREACH_ISSET(i, vcpumap[vi->vcpuid]) { + warnx("cpu %d enabled\n", i); + } + exit(BHYVE_EXIT_ERROR); + } } #ifdef BHYVE_SNAPSHOT |