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| author | David Ahern <dsahern@gmail.com> | 2013-10-29 10:43:16 -0600 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-11-05 10:03:22 -0300 |
| commit | 87419c9afff1431d4b62b388baf6bfa07e0b14ff (patch) | |
| tree | 67790f43f93fb6fde554ef37357e9bee7b124a89 /tools/perf/config/Makefile | |
| parent | 41a4e6e2a0237e8ac895f43158ef7c91ab7af157 (diff) | |
| download | linux-87419c9afff1431d4b62b388baf6bfa07e0b14ff.tar.gz linux-87419c9afff1431d4b62b388baf6bfa07e0b14ff.tar.bz2 linux-87419c9afff1431d4b62b388baf6bfa07e0b14ff.zip | |
perf kvm: Disable live command if timerfd is not supported
If the OS does not have timerfd support (e.g., older OS'es like RHEL5)
disable perf kvm stat live.
Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1383064996-20933-2-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/config/Makefile')
| -rw-r--r-- | tools/perf/config/Makefile | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index ffb5f55c8fba..be8bb9a77287 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -397,6 +397,13 @@ else endif endif +$(call feature_check,timerfd) +ifeq ($(feature-timerfd), 1) + CFLAGS += -DHAVE_TIMERFD_SUPPORT +else + msg := $(warning No timerfd support. Disables 'perf kvm stat live'); +endif + disable-python = $(eval $(disable-python_code)) define disable-python_code CFLAGS += -DNO_LIBPYTHON |