diff options
Diffstat (limited to 'src/libvmon/vmon.c')
| -rw-r--r-- | src/libvmon/vmon.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/libvmon/vmon.c b/src/libvmon/vmon.c index 618f224..b9565dd 100644 --- a/src/libvmon/vmon.c +++ b/src/libvmon/vmon.c @@ -1445,8 +1445,14 @@ static void sample(vmon_t *vmon, vmon_proc_t *proc) proc->activity = 0; for (i = 0, cur = 1; wants; cur <<= 1, i++) { if (wants & cur) { - if (vmon->proc_funcs[i](vmon, proc, &proc->stores[i]) == SAMPLE_CHANGED) - proc->activity |= cur; + /* XXX: this is a bit awkward, but in constrained environments you might want to only follow threads while + * suppressing their sampling of the other WANT_PROC* data. To achieve that you specify VMON_FLAG_NEGLECT_THREADS + * in combination with VMON_WANT_PROC_FOLLOW_THREADS. The following line is what makes that actually work. + * This also adds another ordering dependency in proc_wants.def + */ + if (!proc->is_thread || !(vmon->flags & VMON_FLAG_NEGLECT_THREADS) || cur <= VMON_WANT_PROC_FOLLOW_THREADS) + if (vmon->proc_funcs[i](vmon, proc, &proc->stores[i]) == SAMPLE_CHANGED) + proc->activity |= cur; wants &= ~cur; } |