gnu: Add libpfm4.
* gnu/packages/linux.scm (libpfm4): New variable. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
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@ -4680,3 +4680,50 @@ high-speed networking devices.")
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;; Only the x86_64 architecure is supported.
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(supported-systems '("x86_64-linux"))
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(license (list license:bsd-3 license:gpl2)))) ; dual
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(define-public libpfm4
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(package
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(name "libpfm4")
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(version "4.9.0")
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(source (origin
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(method url-fetch)
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(uri (string-append "mirror://sourceforge/perfmon2/"
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name "/libpfm-" version ".tar.gz"))
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(sha256
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(base32
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"1qp4g4n6dw42p2w5rkwzdb7ynk8h7g5vg01ybpmvxncgwa7bw3yv"))))
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(build-system gnu-build-system)
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(arguments
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'(#:modules ((guix build utils)
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(guix build gnu-build-system))
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#:phases (modify-phases %standard-phases
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(delete 'configure)
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(delete 'check)
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(replace 'build
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(lambda* (#:key inputs outputs #:allow-other-keys)
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(let* ((out (assoc-ref outputs "out")))
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(setenv "CC" "gcc")
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(invoke "make")
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#t)))
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(replace 'install
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(lambda* (#:key outputs #:allow-other-keys)
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(let* ((out (assoc-ref outputs "out")))
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(invoke "make"
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(string-append "PREFIX=" out)
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"install")
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#t))))))
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(synopsis "Performance event monitoring library")
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(description
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"This package provides a library called libpfm4, which is used to develop
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monitoring tools exploiting the performance monitoring events such as those
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provided by the Performance Monitoring Unit (PMU) of modern processors.
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Libpfm4 helps convert from an event name, expressed as a string, to the event
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encoding that is either the raw event as documented by the hardware vendor or
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the OS-specific encoding. In the latter case, the library is able to prepare
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the OS-specific data structures needed by the kernel to setup the event.
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libpfm4 provides support for the @code{perf_events} interface, which was
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introduced in Linux 2.6.31.")
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(home-page "http://perfmon2.sourceforge.net/")
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(license license:expat)))
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