perf report: Document missing options
Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1291168642-11402-10-git-send-email-shawn.bohrer@gmail.com> Signed-off-by: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -20,6 +20,11 @@ OPTIONS
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-i::
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--input=::
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Input file name. (default: perf.data)
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-v::
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--verbose::
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Be more verbose. (show symbol address, etc)
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-d::
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--dsos=::
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Only consider symbols in these dsos. CSV that understands
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@ -27,6 +32,10 @@ OPTIONS
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-n::
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--show-nr-samples::
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Show the number of samples for each symbol
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--showcpuutilization::
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Show sample percentage for different cpu modes.
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-T::
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--threads::
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Show per-thread event counters
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@ -39,12 +48,24 @@ OPTIONS
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Only consider these symbols. CSV that understands
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file://filename entries.
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-U::
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--hide-unresolved::
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Only display entries resolved to a symbol.
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-s::
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--sort=::
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Sort by key(s): pid, comm, dso, symbol, parent.
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-p::
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--parent=<regex>::
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regex filter to identify parent, see: '--sort parent'
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-x::
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--exclude-other::
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Only display entries with parent-match.
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-w::
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--field-width=::
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--column-widths=<width[,width...]>::
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Force each column width to the provided list, for large terminal
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readability.
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@ -52,19 +73,26 @@ OPTIONS
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--field-separator=::
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Use a special separator character and don't pad with spaces, replacing
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all occurances of this separator in symbol names (and other output)
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all occurrences of this separator in symbol names (and other output)
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with a '.' character, that thus it's the only non valid separator.
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-D::
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--dump-raw-trace::
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Dump raw trace in ASCII.
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-g [type,min]::
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--call-graph::
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Display callchains using type and min percent threshold.
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Display call chains using type and min percent threshold.
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type can be either:
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- flat: single column, linear exposure of callchains.
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- flat: single column, linear exposure of call chains.
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- graph: use a graph tree, displaying absolute overhead rates.
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- fractal: like graph, but displays relative rates. Each branch of
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the tree is considered as a new profiled object. +
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Default: fractal,0.5.
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--pretty=<key>::
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Pretty printing style. key: normal, raw
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--stdio:: Use the stdio interface.
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--tui:: Use the TUI interface, that is integrated with annotate and allows
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@ -72,6 +100,19 @@ OPTIONS
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requires a tty, if one is not present, as when piping to other
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commands, the stdio interface is used.
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-k::
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--vmlinux=<file>::
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vmlinux pathname
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-m::
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--modules::
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Load module symbols. WARNING: This should only be used with -k and
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a LIVE kernel.
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-f::
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--force::
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Don't complain, do it.
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SEE ALSO
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--------
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linkperf:perf-stat[1]
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