To restrict a counter to either host or guest mode this patch introduces two new event modifiers: G and H. With G the counter is configured in guest-only mode and with H in host-only mode.
Signed-off-by: Joerg Roedel <[email protected]> --- tools/perf/util/parse-events.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 41982c3..8bfb8de 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -728,8 +728,8 @@ static int parse_event_modifier(const char **strp, struct perf_event_attr *attr) { const char *str = *strp; - int exclude = 0; - int eu = 0, ek = 0, eh = 0, precise = 0; + int exclude = 0, exclude_GH = 0; + int eu = 0, ek = 0, eh = 0, eH = 0, eG = 0, precise = 0; if (!*str) return 0; @@ -753,6 +753,14 @@ parse_event_modifier(const char **strp, struct perf_event_attr *attr) if (!exclude) exclude = eu = ek = eh = 1; eh = 0; + } else if (*str == 'G') { + if (!exclude_GH) + exclude_GH = eG = eH = 1; + eG = 0; + } else if (*str == 'H') { + if (!exclude_GH) + exclude_GH = eG = eH = 1; + eH = 0; } else if (*str == 'p') { precise++; } else @@ -769,6 +777,8 @@ parse_event_modifier(const char **strp, struct perf_event_attr *attr) attr->exclude_kernel = ek; attr->exclude_hv = eh; attr->precise_ip = precise; + attr->exclude_host = eH; + attr->exclude_guest = eG; return 0; } -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
