On 5/9/13 2:45 AM, Namhyung Kim wrote:
On Wed, 8 May 2013 22:31:46 -0600, David Ahern wrote: [SNIP]+static int perf_kvm__timerfd_create(struct perf_kvm_stat *kvm) +{ + struct itimerspec new_value; + struct timespec now; + int rc = -1; + + kvm->timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK); + if (kvm->timerfd < 0) { + pr_err("timerfd_create failed\n"); + goto out; + } + + if (clock_gettime(CLOCK_MONOTONIC, &now) != 0) { + pr_err("clock_gettime failed: %d\n", errno); + close(kvm->timerfd); + goto out; + } + + new_value.it_value.tv_sec = now.tv_sec + kvm->display_time; + new_value.it_value.tv_nsec = now.tv_nsec; + new_value.it_interval.tv_sec = kvm->display_time; + new_value.it_interval.tv_nsec = 0; + + if (timerfd_settime(kvm->timerfd, TFD_TIMER_ABSTIME, + &new_value, NULL) != 0) {Looks like no need to use ABSTIME.
hmmm.... I did that for a reason. I forget why now. Let me poke around with it and see if I can remember.
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