Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1399696

Re: [RFC 2/2] perf/core: change errno for sampling event not supported in hardware

From Vineet Gupta <Vineet.Gupta1@synopsys.com>
Newsgroups linux.kernel
Subject Re: [RFC 2/2] perf/core: change errno for sampling event not supported in hardware
Date 2016-05-12 09:00 +0200
Message-ID <rxSLg-mB-17@gated-at.bofh.it> (permalink)
References (2 earlier) <rwTT3-6II-1@gated-at.bofh.it> <rwXal-1D1-73@gated-at.bofh.it> <rxI9b-6rJ-7@gated-at.bofh.it> <rxSid-7O-5@gated-at.bofh.it> <rxSBz-im-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

On Thursday 12 May 2016 12:12 PM, Peter Zijlstra wrote:
>> Tried that and doesn't even compile. Reconfirms what Vince said, ENOTSUPP is not
>> > exposed to userspace (being in include/linux and not include/uapi/linux)
> Durr, so what does userspace see?

It sees the "value" of ENOTSUPP, i.e. 524 but there is no symbolic reference to it :-)

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[RFC 0/2] report perf sampling failing due to PMU lacking overflow intr support Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2016-05-09 11:40 +0200
  [RFC 2/2] perf/core: change errno for sampling event not supported in hardware Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2016-05-09 11:40 +0200
    Re: [RFC 2/2] perf/core: change errno for sampling event not supported  in hardware Vince Weaver <vincent.weaver@maine.edu> - 2016-05-09 16:00 +0200
      Re: [RFC 2/2] perf/core: change errno for sampling event not  supported in hardware Vineet Gupta <vgupta@synopsys.com> - 2016-05-09 19:30 +0200
        Re: [RFC 2/2] perf/core: change errno for sampling event not supported  in hardware Vince Weaver <vincent.weaver@maine.edu> - 2016-05-11 05:40 +0200
        Re: [RFC 2/2] perf/core: change errno for sampling event not  supported in hardware Peter Zijlstra <peterz@infradead.org> - 2016-05-11 21:40 +0200
          Re: [RFC 2/2] perf/core: change errno for sampling event not  supported in hardware Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2016-05-12 08:30 +0200
            Re: [RFC 2/2] perf/core: change errno for sampling event not  supported in hardware Peter Zijlstra <peterz@infradead.org> - 2016-05-12 08:50 +0200
              Re: [RFC 2/2] perf/core: change errno for sampling event not  supported in hardware Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2016-05-12 09:00 +0200
                Re: [RFC 2/2] perf/core: change errno for sampling event not  supported in hardware Peter Zijlstra <peterz@infradead.org> - 2016-05-12 09:30 +0200
                Re: [RFC 2/2] perf/core: change errno for sampling event not supported  in hardware Vince Weaver <vincent.weaver@maine.edu> - 2016-05-13 01:10 +0200
                Re: [RFC 2/2] perf/core: change errno for sampling event not  supported in hardware Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2016-05-13 10:40 +0200
                [PATCH-REBASED 0/2] report perf sampling failing due to PMU lacking overflow intr support Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2016-05-30 13:40 +0200
                [PATCH-REBASED 1/2] tools/perf: Handle EOPNOTSUPP for sampling events Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2016-05-30 13:40 +0200
                [PATCH-REBASED 2/2] perf/core: change errno for sampling event not supported in hardware Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2016-05-30 13:40 +0200

csiph-web