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perf tools: Fix typos / broken sentences

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- Fix a typo in the man page
- Fix a tip that doesn't make any sense.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20190628220900.13741-1-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Andi Kleen 2019-06-28 15:09:00 -07:00 committed by Arnaldo Carvalho de Melo
parent edd93a4076
commit 734ac47e23
2 changed files with 2 additions and 2 deletions
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2
tools/perf/Documentation/perf-report.txt
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@ -89,7 +89,7 @@ OPTIONS
- socket: processor socket number the task ran at the time of sample
- srcline: filename and line number executed at the time of sample. The
DWARF debugging info must be provided.
- srcfile: file name of the source file of the same. Requires dwarf
- srcfile: file name of the source file of the samples. Requires dwarf
information.
- weight: Event specific weight, e.g. memory latency or transaction
abort cost. This is the global weight.

2
tools/perf/Documentation/tips.txt
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@ -38,6 +38,6 @@ To report cacheline events from previous recording: perf c2c report
To browse sample contexts use perf report --sample 10 and select in context menu
To separate samples by time use perf report --sort time,overhead,sym
To set sample time separation other than 100ms with --sort time use --time-quantum
Add -I to perf report to sample register values visible in perf report context.
Add -I to perf record to sample register values, which will be visible in perf report sample context.
To show IPC for sampling periods use perf record -e '{cycles,instructions}:S' and then browse context
To show context switches in perf report sample context add --switch-events to perf record.