Messages in this thread | | | Date | Thu, 09 May 2013 07:56:27 -0600 | From | David Ahern <> | Subject | Re: [PATCH 10/13] perf kvm: add live mode |
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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.
David
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