perf/Documentation/perf-report.txt

34 	Show the number of samples for each symbol
37         Show sample percentage for different cpu modes.
41 	Show per-thread event counters.  The input data file should be recorded
343 	Show raw instruction encoding of assembly instructions.
345 --show-total-period:: Show a column with the sum of periods.
378 	Show event group information together. It forces group output also
417 	Show header information in the perf.data file.  This includes
423 	Show only perf.data header (forces --stdio).
464 	Show the --switch-on/off events too. This has no effect in 'perf report' now
478 	Show the full path for source files for srcline output.
492 	Show callgraph with stitched LBRs, which may have more complete
521 	Show --tasks output plus mmap information in a format similar to
528 	Show time stamps in nanoseconds.