From 1d29c889adeb84f8ab1254c840f3b31b16a26083 Mon Sep 17 00:00:00 2001 From: "Daniel P. Berrange" Date: Fri, 16 Dec 2016 10:30:27 +0000 Subject: [PATCH] Make use of PERF_COUNT_HW_REF_CPU_CYCLES conditional The PERF_COUNT_HW_REF_CPU_CYCLES constant is not available on all Linux distros libvirt targets, so its use must be made conditional. Other constant have existed long enough that we can assume they exist, as we don't support very old distros like RHEL-5 any more. Signed-off-by: Daniel P. Berrange --- src/util/virperf.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/util/virperf.c b/src/util/virperf.c index 49ec258498..f64692bf39 100644 --- a/src/util/virperf.c +++ b/src/util/virperf.c @@ -104,8 +104,14 @@ static struct virPerfEventAttr attrs[] = { .attrType = PERF_TYPE_HARDWARE, .attrConfig = PERF_COUNT_HW_STALLED_CYCLES_BACKEND}, {.type = VIR_PERF_EVENT_REF_CPU_CYCLES, +# ifdef PERF_COUNT_HW_REF_CPU_CYCLES .attrType = PERF_TYPE_HARDWARE, - .attrConfig = PERF_COUNT_HW_REF_CPU_CYCLES}, + .attrConfig = PERF_COUNT_HW_REF_CPU_CYCLES +# else + .attrType = 0, + .attrConfig = 0, +# endif + }, }; typedef struct virPerfEventAttr *virPerfEventAttrPtr;