Messages in this thread | | | From | Vineet Gupta <> | Subject | [PATCH-REBASED 0/2] report perf sampling failing due to PMU lacking overflow intr support | Date | Mon, 30 May 2016 17:01:44 +0530 |
| |
Hi,
This is a repost of RFC [1], rebased on 4.7-rc1, to print pretty PMU lacking overflow interrupt support if user tries perf sampling.
At the time of RFC review, both PeterZ and Vince seemed convinced to go ahead with this patch despite the ABI change [2].
Thx, -Vineet
[1] http://lists.infradead.org/pipermail/linux-snps-arc/2016-May/001014.html [2] http://lists.infradead.org/pipermail/linux-snps-arc/2016-May/001032.html
Vineet Gupta (2): tools/perf: Handle EOPNOTSUPP for sampling events perf/core: change errno for sampling event not supported in hardware
kernel/events/core.c | 2 +- tools/perf/util/evsel.c | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletion(-)
-- 2.5.0
| |