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perf tools: Tidy guest option documentation
Move common guest options into include files. Use attribute substitution to customize an example, using "[verse]" to define the block instead of a "literal" block which does not permit substitution. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20220811170411.84154-4-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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16
tools/perf/Documentation/guest-files.txt
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16
tools/perf/Documentation/guest-files.txt
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@ -0,0 +1,16 @@
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include::guestmount.txt[]
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--guestkallsyms=<path>::
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Guest OS /proc/kallsyms file copy. perf reads it to get guest
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kernel symbols. Users copy it out from guest OS.
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--guestmodules=<path>::
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Guest OS /proc/modules file copy. perf reads it to get guest
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kernel module information. Users copy it out from guest OS.
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--guestvmlinux=<path>::
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Guest OS kernel vmlinux.
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--guest-code::
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Indicate that guest code can be found in the hypervisor process,
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which is a common case for KVM test programs.
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11
tools/perf/Documentation/guestmount.txt
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11
tools/perf/Documentation/guestmount.txt
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@ -0,0 +1,11 @@
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--guestmount=<path>::
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Guest OS root file system mount directory. Users mount guest OS
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root directories under <path> by a specific filesystem access method,
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typically, sshfs.
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For example, start 2 guest OS, one's pid is 8888 and the other's is 9999:
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[verse]
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$ mkdir \~/guestmount
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$ cd \~/guestmount
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$ sshfs -o allow_other,direct_io -p 5551 localhost:/ 8888/
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$ sshfs -o allow_other,direct_io -p 5552 localhost:/ 9999/
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$ perf {GMEXAMPLECMD} --guestmount=~/guestmount {GMEXAMPLESUBCMD}
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@ -102,17 +102,9 @@ include::itrace.txt[]
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should be used, and also --buildid-all and --switch-events may be
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useful.
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--guestmount=<path>::
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Guest OS root file system mount directory. Users mount guest OS
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root directories under <path> by a specific filesystem access method,
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typically, sshfs.
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For example, start 2 guest OS, one's pid is 8888 and the other's is 9999:
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[verse]
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$ mkdir \~/guestmount
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$ cd \~/guestmount
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$ sshfs -o allow_other,direct_io -p 5551 localhost:/ 8888/
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$ sshfs -o allow_other,direct_io -p 5552 localhost:/ 9999/
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$ perf inject --guestmount=~/guestmount
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:GMEXAMPLECMD: inject
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:GMEXAMPLESUBCMD:
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include::guestmount.txt[]
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SEE ALSO
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--------
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@ -77,26 +77,11 @@ OPTIONS
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Collect host side performance profile.
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--guest::
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Collect guest side performance profile.
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--guestmount=<path>::
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Guest os root file system mount directory. Users mounts guest os
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root directories under <path> by a specific filesystem access method,
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typically, sshfs. For example, start 2 guest os. The one's pid is 8888
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and the other's is 9999.
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#mkdir ~/guestmount; cd ~/guestmount
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#sshfs -o allow_other,direct_io -p 5551 localhost:/ 8888/
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#sshfs -o allow_other,direct_io -p 5552 localhost:/ 9999/
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#perf kvm --host --guest --guestmount=~/guestmount top
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--guestkallsyms=<path>::
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Guest os /proc/kallsyms file copy. 'perf' kvm' reads it to get guest
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kernel symbols. Users copy it out from guest os.
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--guestmodules=<path>::
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Guest os /proc/modules file copy. 'perf' kvm' reads it to get guest
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kernel module information. Users copy it out from guest os.
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--guestvmlinux=<path>::
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Guest os kernel vmlinux.
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--guest-code::
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Indicate that guest code can be found in the hypervisor process,
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which is a common case for KVM test programs.
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:GMEXAMPLECMD: kvm --host --guest
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:GMEXAMPLESUBCMD: top
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include::guest-files.txt[]
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-v::
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--verbose::
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Be more verbose (show counter open errors, etc).
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@ -487,29 +487,6 @@ include::itrace.txt[]
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For itrace only show specified functions and their callees for
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itrace. Multiple functions can be separated by comma.
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--guestmount=<path>::
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Guest OS root file system mount directory. Users mount guest OS
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root directories under <path> by a specific filesystem access method,
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typically, sshfs.
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For example, start 2 guest OS, one's pid is 8888 and the other's is 9999:
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[verse]
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$ mkdir \~/guestmount
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$ cd \~/guestmount
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$ sshfs -o allow_other,direct_io -p 5551 localhost:/ 8888/
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$ sshfs -o allow_other,direct_io -p 5552 localhost:/ 9999/
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$ perf script --guestmount=~/guestmount
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--guestkallsyms=<path>::
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Guest OS /proc/kallsyms file copy. perf reads it to get guest
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kernel symbols. Users copy it out from guest OS.
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--guestmodules=<path>::
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Guest OS /proc/modules file copy. perf reads it to get guest
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kernel module information. Users copy it out from guest OS.
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--guestvmlinux=<path>::
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Guest OS kernel vmlinux.
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--switch-on EVENT_NAME::
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Only consider events after this event is found.
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@ -530,9 +507,9 @@ include::itrace.txt[]
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The known limitations include exception handing such as
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setjmp/longjmp will have calls/returns not match.
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--guest-code::
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Indicate that guest code can be found in the hypervisor process,
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which is a common case for KVM test programs.
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:GMEXAMPLECMD: script
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:GMEXAMPLESUBCMD:
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include::guest-files.txt[]
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SEE ALSO
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--------
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