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 |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 952b4ae..21039d2 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -723,7 +723,7 @@ 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 eu = 0, ek = 0, eh = 0, eg = 0, ehst = 0, precise = 0;
 
        if (*str++ != ':')
                return 0;
@@ -740,6 +740,12 @@ parse_event_modifier(const char **strp, struct 
perf_event_attr *attr)
                        if (!exclude)
                                exclude = eu = ek = eh = 1;
                        eh = 0;
+               } else if (*str == 'G') {
+                       eg   = 0;
+                       ehst = 1;
+               } else if (*str == 'H') {
+                       eg   = 1;
+                       ehst = 0;
                } else if (*str == 'p') {
                        precise++;
                } else
@@ -753,6 +759,8 @@ 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   = ehst;
+               attr->exclude_guest  = eg;
                return 1;
        }
        return 0;
-- 
1.7.4.1


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