[PATCH 06/13] perf tools: Count periods of filtered entries separately

Currently if a sample was filtered by command line option, it just dropped. But this affects final output in that the percentage can be different since the filtered entries were not included to the total. But user might want to see the original percentages when filter applied so add new

[PATCH 06/13] perf tools: Count periods of filtered entries separately

Currently if a sample was filtered by command line option, it just dropped. But this affects final output in that the percentage can be different since the filtered entries were not included to the total. But user might want to see the original percentages when filter applied so add new