diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/design.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/design.txt b/tools/perf/design.txt index a28dca2582aa..0453ba26cdbd 100644 --- a/tools/perf/design.txt +++ b/tools/perf/design.txt @@ -222,6 +222,10 @@ The 'exclude_user', 'exclude_kernel' and 'exclude_hv' bits provide a way to request that counting of events be restricted to times when the CPU is in user, kernel and/or hypervisor mode. +Furthermore the 'exclude_host' and 'exclude_guest' bits provide a way +to request counting of events restricted to guest and host contexts when +using Linux as the hypervisor. + The 'mmap' and 'munmap' bits allow recording of PROT_EXEC mmap/munmap operations, these can be used to relate userspace IP addresses to actual code, even after the mapping (or even the whole process) is gone, |